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-rw-r--r--arch/alpha/include/asm/word-at-a-time.h2
-rw-r--r--arch/arc/include/asm/Kbuild1
-rw-r--r--arch/arm/boot/dts/Makefile2
-rw-r--r--arch/arm/boot/dts/exynos4412.dtsi1
-rw-r--r--arch/arm/boot/dts/exynos5250-smdk5250.dts1
-rw-r--r--arch/arm/boot/dts/exynos5420.dtsi2
-rw-r--r--arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi1
-rw-r--r--arch/arm/boot/dts/imx53-qsrb.dts2
-rw-r--r--arch/arm/boot/dts/imx53.dtsi1
-rw-r--r--arch/arm/boot/dts/imx6qdl-rex.dtsi2
-rw-r--r--arch/arm/boot/dts/r8a7790.dtsi1
-rw-r--r--arch/arm/boot/dts/r8a7791.dtsi1
-rw-r--r--arch/arm/boot/dts/sun7i-a20.dtsi2
-rw-r--r--arch/arm/mach-exynos/mcpm-exynos.c27
-rw-r--r--arch/arm/mach-exynos/regs-pmu.h6
-rw-r--r--arch/arm/net/bpf_jit_32.c1
-rw-r--r--arch/arm64/Makefile2
-rw-r--r--arch/arm64/include/asm/pgtable.h4
-rw-r--r--arch/arm64/include/asm/unistd.h2
-rw-r--r--arch/arm64/include/asm/unistd32.h9
-rw-r--r--arch/arm64/include/uapi/asm/signal.h3
-rw-r--r--arch/arm64/kernel/debug-monitors.c23
-rw-r--r--arch/arm64/kernel/efi.c3
-rw-r--r--arch/arm64/kernel/entry-ftrace.S22
-rw-r--r--arch/arm64/kernel/insn.c6
-rw-r--r--arch/arm64/kernel/setup.c2
-rw-r--r--arch/arm64/mm/fault.c1
-rw-r--r--arch/avr32/include/asm/Kbuild1
-rw-r--r--arch/blackfin/include/asm/Kbuild1
-rw-r--r--arch/c6x/include/asm/Kbuild1
-rw-r--r--arch/cris/include/asm/Kbuild1
-rw-r--r--arch/frv/include/asm/Kbuild1
-rw-r--r--arch/h8300/include/asm/Kbuild1
-rw-r--r--arch/hexagon/include/asm/Kbuild1
-rw-r--r--arch/ia64/include/asm/Kbuild1
-rw-r--r--arch/m32r/include/asm/Kbuild1
-rw-r--r--arch/m68k/configs/amiga_defconfig9
-rw-r--r--arch/m68k/configs/apollo_defconfig9
-rw-r--r--arch/m68k/configs/atari_defconfig9
-rw-r--r--arch/m68k/configs/bvme6000_defconfig9
-rw-r--r--arch/m68k/configs/hp300_defconfig9
-rw-r--r--arch/m68k/configs/mac_defconfig9
-rw-r--r--arch/m68k/configs/multi_defconfig9
-rw-r--r--arch/m68k/configs/mvme147_defconfig9
-rw-r--r--arch/m68k/configs/mvme16x_defconfig9
-rw-r--r--arch/m68k/configs/q40_defconfig9
-rw-r--r--arch/m68k/configs/sun3_defconfig9
-rw-r--r--arch/m68k/configs/sun3x_defconfig9
-rw-r--r--arch/m68k/include/asm/linkage.h30
-rw-r--r--arch/m68k/include/asm/unistd.h2
-rw-r--r--arch/m68k/include/uapi/asm/unistd.h19
-rw-r--r--arch/m68k/kernel/syscalltable.S20
-rw-r--r--arch/metag/include/asm/Kbuild1
-rw-r--r--arch/microblaze/include/asm/Kbuild1
-rw-r--r--arch/mips/cavium-octeon/setup.c2
-rw-r--r--arch/mips/include/asm/Kbuild1
-rw-r--r--arch/mips/include/asm/io.h1
-rw-r--r--arch/mips/include/uapi/asm/swab.h19
-rw-r--r--arch/mips/include/uapi/asm/unistd.h18
-rw-r--r--arch/mips/jz4740/board-qi_lb60.c1
-rw-r--r--arch/mips/jz4740/gpio.c1
-rw-r--r--arch/mips/kernel/cps-vec.S12
-rw-r--r--arch/mips/kernel/octeon_switch.S26
-rw-r--r--arch/mips/kernel/r2300_switch.S28
-rw-r--r--arch/mips/kernel/scall32-o32.S41
-rw-r--r--arch/mips/kernel/scall64-64.S40
-rw-r--r--arch/mips/kernel/scall64-n32.S21
-rw-r--r--arch/mips/kernel/scall64-o32.S21
-rw-r--r--arch/mips/mm/dma-default.c2
-rw-r--r--arch/mips/net/bpf_jit_asm.S13
-rw-r--r--arch/mn10300/include/asm/Kbuild1
-rw-r--r--arch/nios2/include/asm/Kbuild1
-rw-r--r--arch/powerpc/configs/ppc64_defconfig2
-rw-r--r--arch/powerpc/configs/pseries_defconfig2
-rw-r--r--arch/powerpc/include/asm/machdep.h9
-rw-r--r--arch/powerpc/include/asm/word-at-a-time.h5
-rw-r--r--arch/powerpc/mm/hash_native_64.c23
-rw-r--r--arch/powerpc/platforms/powernv/opal.c7
-rw-r--r--arch/powerpc/platforms/ps3/os-area.c5
-rw-r--r--arch/s390/boot/compressed/Makefile2
-rw-r--r--arch/s390/configs/default_defconfig2
-rw-r--r--arch/s390/configs/gcov_defconfig2
-rw-r--r--arch/s390/configs/performance_defconfig2
-rw-r--r--arch/s390/include/asm/Kbuild1
-rw-r--r--arch/s390/include/asm/numa.h2
-rw-r--r--arch/s390/include/asm/topology.h2
-rw-r--r--arch/s390/kernel/asm-offsets.c1
-rw-r--r--arch/s390/kernel/entry.S30
-rw-r--r--arch/s390/kernel/vtime.c66
-rw-r--r--arch/s390/numa/mode_emu.c4
-rw-r--r--arch/s390/numa/numa.c4
-rw-r--r--arch/score/include/asm/Kbuild1
-rw-r--r--arch/sh/include/asm/page.h1
-rw-r--r--arch/sparc/crypto/aes_glue.c2
-rw-r--r--arch/sparc/crypto/camellia_glue.c1
-rw-r--r--arch/sparc/crypto/des_glue.c2
-rw-r--r--arch/tile/gxio/mpipe.c33
-rw-r--r--arch/tile/include/asm/word-at-a-time.h8
-rw-r--r--arch/um/include/asm/Kbuild1
-rw-r--r--arch/unicore32/include/asm/Kbuild1
-rw-r--r--arch/x86/Kconfig1
-rw-r--r--arch/x86/crypto/camellia_aesni_avx_glue.c5
-rw-r--r--arch/x86/include/asm/cpufeature.h2
-rw-r--r--arch/x86/include/asm/kvm_host.h6
-rw-r--r--arch/x86/include/asm/xen/hypercall.h4
-rw-r--r--arch/x86/include/uapi/asm/bitsperlong.h2
-rw-r--r--arch/x86/kernel/cpu/mshyperv.c12
-rw-r--r--arch/x86/kernel/cpu/scattered.c2
-rw-r--r--arch/x86/kernel/crash.c7
-rw-r--r--arch/x86/kernel/process.c55
-rw-r--r--arch/x86/kernel/process_32.c28
-rw-r--r--arch/x86/kernel/process_64.c24
-rw-r--r--arch/x86/kvm/emulate.c10
-rw-r--r--arch/x86/kvm/vmx.c26
-rw-r--r--arch/x86/kvm/x86.c135
-rw-r--r--arch/x86/mm/init_64.c2
-rw-r--r--arch/x86/platform/efi/efi.c67
-rw-r--r--arch/x86/xen/enlighten.c24
-rw-r--r--arch/x86/xen/p2m.c19
-rw-r--r--arch/x86/xen/setup.c4
-rw-r--r--arch/xtensa/include/asm/Kbuild1
121 files changed, 776 insertions, 450 deletions
diff --git a/arch/alpha/include/asm/word-at-a-time.h b/arch/alpha/include/asm/word-at-a-time.h
index 6b340d0f1521..902e6ab00a06 100644
--- a/arch/alpha/include/asm/word-at-a-time.h
+++ b/arch/alpha/include/asm/word-at-a-time.h
@@ -52,4 +52,6 @@ static inline unsigned long find_zero(unsigned long bits)
#endif
}
+#define zero_bytemask(mask) ((2ul << (find_zero(mask) * 8)) - 1)
+
#endif /* _ASM_WORD_AT_A_TIME_H */
diff --git a/arch/arc/include/asm/Kbuild b/arch/arc/include/asm/Kbuild
index 7611b10a2d23..0b10ef2a4372 100644
--- a/arch/arc/include/asm/Kbuild
+++ b/arch/arc/include/asm/Kbuild
@@ -48,4 +48,5 @@ generic-y += types.h
generic-y += ucontext.h
generic-y += user.h
generic-y += vga.h
+generic-y += word-at-a-time.h
generic-y += xor.h
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 233159d2eaab..bb8fa023d574 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -578,7 +578,7 @@ dtb-$(CONFIG_MACH_SUN4I) += \
sun4i-a10-hackberry.dtb \
sun4i-a10-hyundai-a7hd.dtb \
sun4i-a10-inet97fv2.dtb \
- sun4i-a10-itead-iteaduino-plus.dts \
+ sun4i-a10-itead-iteaduino-plus.dtb \
sun4i-a10-jesurun-q5.dtb \
sun4i-a10-marsboard.dtb \
sun4i-a10-mini-xplus.dtb \
diff --git a/arch/arm/boot/dts/exynos4412.dtsi b/arch/arm/boot/dts/exynos4412.dtsi
index ca0e3c15977f..294cfe40388d 100644
--- a/arch/arm/boot/dts/exynos4412.dtsi
+++ b/arch/arm/boot/dts/exynos4412.dtsi
@@ -98,6 +98,7 @@
opp-hz = /bits/ 64 <800000000>;
opp-microvolt = <1000000>;
clock-latency-ns = <200000>;
+ opp-suspend;
};
opp07 {
opp-hz = /bits/ 64 <900000000>;
diff --git a/arch/arm/boot/dts/exynos5250-smdk5250.dts b/arch/arm/boot/dts/exynos5250-smdk5250.dts
index 15aea760c1da..c625e71217aa 100644
--- a/arch/arm/boot/dts/exynos5250-smdk5250.dts
+++ b/arch/arm/boot/dts/exynos5250-smdk5250.dts
@@ -197,6 +197,7 @@
regulator-name = "P1.8V_LDO_OUT10";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
+ regulator-always-on;
};
ldo11_reg: LDO11 {
diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi
index df9aee92ecf4..1b3d6c769a3c 100644
--- a/arch/arm/boot/dts/exynos5420.dtsi
+++ b/arch/arm/boot/dts/exynos5420.dtsi
@@ -1117,7 +1117,7 @@
interrupt-parent = <&combiner>;
interrupts = <3 0>;
clock-names = "sysmmu", "master";
- clocks = <&clock CLK_SMMU_FIMD1M0>, <&clock CLK_FIMD1>;
+ clocks = <&clock CLK_SMMU_FIMD1M1>, <&clock CLK_FIMD1>;
power-domains = <&disp_pd>;
#iommu-cells = <0>;
};
diff --git a/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi b/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi
index 79ffdfe712aa..3b43e57845ae 100644
--- a/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi
+++ b/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi
@@ -472,7 +472,6 @@
*/
pinctrl-0 = <&pwm0_out &pwm1_out &pwm2_out &pwm3_out>;
pinctrl-names = "default";
- samsung,pwm-outputs = <0>;
status = "okay";
};
diff --git a/arch/arm/boot/dts/imx53-qsrb.dts b/arch/arm/boot/dts/imx53-qsrb.dts
index 66e47de5e826..96d7eede412e 100644
--- a/arch/arm/boot/dts/imx53-qsrb.dts
+++ b/arch/arm/boot/dts/imx53-qsrb.dts
@@ -36,7 +36,7 @@
pinctrl-0 = <&pinctrl_pmic>;
reg = <0x08>;
interrupt-parent = <&gpio5>;
- interrupts = <23 0x8>;
+ interrupts = <23 IRQ_TYPE_LEVEL_HIGH>;
regulators {
sw1_reg: sw1a {
regulator-name = "SW1";
diff --git a/arch/arm/boot/dts/imx53.dtsi b/arch/arm/boot/dts/imx53.dtsi
index c3e3ca9362fb..cd170376eaca 100644
--- a/arch/arm/boot/dts/imx53.dtsi
+++ b/arch/arm/boot/dts/imx53.dtsi
@@ -15,6 +15,7 @@
#include <dt-bindings/clock/imx5-clock.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
+#include <dt-bindings/interrupt-controller/irq.h>
/ {
aliases {
diff --git a/arch/arm/boot/dts/imx6qdl-rex.dtsi b/arch/arm/boot/dts/imx6qdl-rex.dtsi
index 3373fd958e95..a50356243888 100644
--- a/arch/arm/boot/dts/imx6qdl-rex.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-rex.dtsi
@@ -35,7 +35,6 @@
compatible = "regulator-fixed";
reg = <1>;
pinctrl-names = "default";
- pinctrl-0 = <&pinctrl_usbh1>;
regulator-name = "usbh1_vbus";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
@@ -47,7 +46,6 @@
compatible = "regulator-fixed";
reg = <2>;
pinctrl-names = "default";
- pinctrl-0 = <&pinctrl_usbotg>;
regulator-name = "usb_otg_vbus";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
diff --git a/arch/arm/boot/dts/r8a7790.dtsi b/arch/arm/boot/dts/r8a7790.dtsi
index a0b2a79cbfbd..4624d0f2a754 100644
--- a/arch/arm/boot/dts/r8a7790.dtsi
+++ b/arch/arm/boot/dts/r8a7790.dtsi
@@ -1627,6 +1627,7 @@
"mix.0", "mix.1",
"dvc.0", "dvc.1",
"clk_a", "clk_b", "clk_c", "clk_i";
+ power-domains = <&cpg_clocks>;
status = "disabled";
diff --git a/arch/arm/boot/dts/r8a7791.dtsi b/arch/arm/boot/dts/r8a7791.dtsi
index 831525dd39a6..1666c8a6b143 100644
--- a/arch/arm/boot/dts/r8a7791.dtsi
+++ b/arch/arm/boot/dts/r8a7791.dtsi
@@ -1677,6 +1677,7 @@
"mix.0", "mix.1",
"dvc.0", "dvc.1",
"clk_a", "clk_b", "clk_c", "clk_i";
+ power-domains = <&cpg_clocks>;
status = "disabled";
diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi b/arch/arm/boot/dts/sun7i-a20.dtsi
index 2bebaa286f9a..391230c3dc93 100644
--- a/arch/arm/boot/dts/sun7i-a20.dtsi
+++ b/arch/arm/boot/dts/sun7i-a20.dtsi
@@ -107,7 +107,7 @@
720000 1200000
528000 1100000
312000 1000000
- 144000 900000
+ 144000 1000000
>;
#cooling-cells = <2>;
cooling-min-level = <0>;
diff --git a/arch/arm/mach-exynos/mcpm-exynos.c b/arch/arm/mach-exynos/mcpm-exynos.c
index 9bdf54795f05..56978199c479 100644
--- a/arch/arm/mach-exynos/mcpm-exynos.c
+++ b/arch/arm/mach-exynos/mcpm-exynos.c
@@ -20,6 +20,7 @@
#include <asm/cputype.h>
#include <asm/cp15.h>
#include <asm/mcpm.h>
+#include <asm/smp_plat.h>
#include "regs-pmu.h"
#include "common.h"
@@ -70,7 +71,31 @@ static int exynos_cpu_powerup(unsigned int cpu, unsigned int cluster)
cluster >= EXYNOS5420_NR_CLUSTERS)
return -EINVAL;
- exynos_cpu_power_up(cpunr);
+ if (!exynos_cpu_power_state(cpunr)) {
+ exynos_cpu_power_up(cpunr);
+
+ /*
+ * This assumes the cluster number of the big cores(Cortex A15)
+ * is 0 and the Little cores(Cortex A7) is 1.
+ * When the system was booted from the Little core,
+ * they should be reset during power up cpu.
+ */
+ if (cluster &&
+ cluster == MPIDR_AFFINITY_LEVEL(cpu_logical_map(0), 1)) {
+ /*
+ * Before we reset the Little cores, we should wait
+ * the SPARE2 register is set to 1 because the init
+ * codes of the iROM will set the register after
+ * initialization.
+ */
+ while (!pmu_raw_readl(S5P_PMU_SPARE2))
+ udelay(10);
+
+ pmu_raw_writel(EXYNOS5420_KFC_CORE_RESET(cpu),
+ EXYNOS_SWRESET);
+ }
+ }
+
return 0;
}
diff --git a/arch/arm/mach-exynos/regs-pmu.h b/arch/arm/mach-exynos/regs-pmu.h
index b7614333d296..fba9068ed260 100644
--- a/arch/arm/mach-exynos/regs-pmu.h
+++ b/arch/arm/mach-exynos/regs-pmu.h
@@ -513,6 +513,12 @@ static inline unsigned int exynos_pmu_cpunr(unsigned int mpidr)
#define SPREAD_ENABLE 0xF
#define SPREAD_USE_STANDWFI 0xF
+#define EXYNOS5420_KFC_CORE_RESET0 BIT(8)
+#define EXYNOS5420_KFC_ETM_RESET0 BIT(20)
+
+#define EXYNOS5420_KFC_CORE_RESET(_nr) \
+ ((EXYNOS5420_KFC_CORE_RESET0 | EXYNOS5420_KFC_ETM_RESET0) << (_nr))
+
#define EXYNOS5420_BB_CON1 0x0784
#define EXYNOS5420_BB_SEL_EN BIT(31)
#define EXYNOS5420_BB_PMOS_EN BIT(7)
diff --git a/arch/arm/net/bpf_jit_32.c b/arch/arm/net/bpf_jit_32.c
index 6be415111eec..2f4b14cfddb4 100644
--- a/arch/arm/net/bpf_jit_32.c
+++ b/arch/arm/net/bpf_jit_32.c
@@ -626,6 +626,7 @@ load_common:
case BPF_LD | BPF_B | BPF_IND:
load_order = 0;
load_ind:
+ update_on_xread(ctx);
OP_IMM3(ARM_ADD, r_off, r_X, k, ctx);
goto load_common;
case BPF_LDX | BPF_IMM:
diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile
index f9914d7c1bb0..d10b5d483022 100644
--- a/arch/arm64/Makefile
+++ b/arch/arm64/Makefile
@@ -42,7 +42,7 @@ endif
CHECKFLAGS += -D__aarch64__
ifeq ($(CONFIG_ARM64_ERRATUM_843419), y)
-CFLAGS_MODULE += -mcmodel=large
+KBUILD_CFLAGS_MODULE += -mcmodel=large
endif
# Default value
diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h
index b0329be95cb1..26b066690593 100644
--- a/arch/arm64/include/asm/pgtable.h
+++ b/arch/arm64/include/asm/pgtable.h
@@ -79,7 +79,7 @@ extern void __pgd_error(const char *file, int line, unsigned long val);
#define PAGE_S2 __pgprot(PROT_DEFAULT | PTE_S2_MEMATTR(MT_S2_NORMAL) | PTE_S2_RDONLY)
#define PAGE_S2_DEVICE __pgprot(PROT_DEFAULT | PTE_S2_MEMATTR(MT_S2_DEVICE_nGnRE) | PTE_S2_RDONLY | PTE_UXN)
-#define PAGE_NONE __pgprot(((_PAGE_DEFAULT) & ~PTE_TYPE_MASK) | PTE_PROT_NONE | PTE_PXN | PTE_UXN)
+#define PAGE_NONE __pgprot(((_PAGE_DEFAULT) & ~PTE_VALID) | PTE_PROT_NONE | PTE_PXN | PTE_UXN)
#define PAGE_SHARED __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_PXN | PTE_UXN | PTE_WRITE)
#define PAGE_SHARED_EXEC __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_PXN | PTE_WRITE)
#define PAGE_COPY __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_PXN | PTE_UXN)
@@ -496,7 +496,7 @@ static inline pud_t *pud_offset(pgd_t *pgd, unsigned long addr)
static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
{
const pteval_t mask = PTE_USER | PTE_PXN | PTE_UXN | PTE_RDONLY |
- PTE_PROT_NONE | PTE_WRITE | PTE_TYPE_MASK;
+ PTE_PROT_NONE | PTE_VALID | PTE_WRITE;
/* preserve the hardware dirty information */
if (pte_hw_dirty(pte))
pte = pte_mkdirty(pte);
diff --git a/arch/arm64/include/asm/unistd.h b/arch/arm64/include/asm/unistd.h
index 3bc498c250dc..41e58fe3c041 100644
--- a/arch/arm64/include/asm/unistd.h
+++ b/arch/arm64/include/asm/unistd.h
@@ -44,7 +44,7 @@
#define __ARM_NR_compat_cacheflush (__ARM_NR_COMPAT_BASE+2)
#define __ARM_NR_compat_set_tls (__ARM_NR_COMPAT_BASE+5)
-#define __NR_compat_syscalls 388
+#define __NR_compat_syscalls 390
#endif
#define __ARCH_WANT_SYS_CLONE
diff --git a/arch/arm64/include/asm/unistd32.h b/arch/arm64/include/asm/unistd32.h
index cef934a90f17..5b925b761a2a 100644
--- a/arch/arm64/include/asm/unistd32.h
+++ b/arch/arm64/include/asm/unistd32.h
@@ -797,3 +797,12 @@ __SYSCALL(__NR_memfd_create, sys_memfd_create)
__SYSCALL(__NR_bpf, sys_bpf)
#define __NR_execveat 387
__SYSCALL(__NR_execveat, compat_sys_execveat)
+#define __NR_userfaultfd 388
+__SYSCALL(__NR_userfaultfd, sys_userfaultfd)
+#define __NR_membarrier 389
+__SYSCALL(__NR_membarrier, sys_membarrier)
+
+/*
+ * Please add new compat syscalls above this comment and update
+ * __NR_compat_syscalls in asm/unistd.h.
+ */
diff --git a/arch/arm64/include/uapi/asm/signal.h b/arch/arm64/include/uapi/asm/signal.h
index 8d1e7236431b..991bf5db2ca1 100644
--- a/arch/arm64/include/uapi/asm/signal.h
+++ b/arch/arm64/include/uapi/asm/signal.h
@@ -19,6 +19,9 @@
/* Required for AArch32 compatibility. */
#define SA_RESTORER 0x04000000
+#define MINSIGSTKSZ 5120
+#define SIGSTKSZ 16384
+
#include <asm-generic/signal.h>
#endif
diff --git a/arch/arm64/kernel/debug-monitors.c b/arch/arm64/kernel/debug-monitors.c
index cebf78661a55..253021ef2769 100644
--- a/arch/arm64/kernel/debug-monitors.c
+++ b/arch/arm64/kernel/debug-monitors.c
@@ -201,7 +201,7 @@ void unregister_step_hook(struct step_hook *hook)
}
/*
- * Call registered single step handers
+ * Call registered single step handlers
* There is no Syndrome info to check for determining the handler.
* So we call all the registered handlers, until the right handler is
* found which returns zero.
@@ -271,20 +271,21 @@ static int single_step_handler(unsigned long addr, unsigned int esr,
* Use reader/writer locks instead of plain spinlock.
*/
static LIST_HEAD(break_hook);
-static DEFINE_RWLOCK(break_hook_lock);
+static DEFINE_SPINLOCK(break_hook_lock);
void register_break_hook(struct break_hook *hook)
{
- write_lock(&break_hook_lock);
- list_add(&hook->node, &break_hook);
- write_unlock(&break_hook_lock);
+ spin_lock(&break_hook_lock);
+ list_add_rcu(&hook->node, &break_hook);
+ spin_unlock(&break_hook_lock);
}
void unregister_break_hook(struct break_hook *hook)
{
- write_lock(&break_hook_lock);
- list_del(&hook->node);
- write_unlock(&break_hook_lock);
+ spin_lock(&break_hook_lock);
+ list_del_rcu(&hook->node);
+ spin_unlock(&break_hook_lock);
+ synchronize_rcu();
}
static int call_break_hook(struct pt_regs *regs, unsigned int esr)
@@ -292,11 +293,11 @@ static int call_break_hook(struct pt_regs *regs, unsigned int esr)
struct break_hook *hook;
int (*fn)(struct pt_regs *regs, unsigned int esr) = NULL;
- read_lock(&break_hook_lock);
- list_for_each_entry(hook, &break_hook, node)
+ rcu_read_lock();
+ list_for_each_entry_rcu(hook, &break_hook, node)
if ((esr & hook->esr_mask) == hook->esr_val)
fn = hook->fn;
- read_unlock(&break_hook_lock);
+ rcu_read_unlock();
return fn ? fn(regs, esr) : DBG_HOOK_ERROR;
}
diff --git a/arch/arm64/kernel/efi.c b/arch/arm64/kernel/efi.c
index e8ca6eaedd02..13671a9cf016 100644
--- a/arch/arm64/kernel/efi.c
+++ b/arch/arm64/kernel/efi.c
@@ -258,7 +258,8 @@ static bool __init efi_virtmap_init(void)
*/
if (!is_normal_ram(md))
prot = __pgprot(PROT_DEVICE_nGnRE);
- else if (md->type == EFI_RUNTIME_SERVICES_CODE)
+ else if (md->type == EFI_RUNTIME_SERVICES_CODE ||
+ !PAGE_ALIGNED(md->phys_addr))
prot = PAGE_KERNEL_EXEC;
else
prot = PAGE_KERNEL;
diff --git a/arch/arm64/kernel/entry-ftrace.S b/arch/arm64/kernel/entry-ftrace.S
index 08cafc518b9a..0f03a8fe2314 100644
--- a/arch/arm64/kernel/entry-ftrace.S
+++ b/arch/arm64/kernel/entry-ftrace.S
@@ -178,6 +178,24 @@ ENTRY(ftrace_stub)
ENDPROC(ftrace_stub)
#ifdef CONFIG_FUNCTION_GRAPH_TRACER
+ /* save return value regs*/
+ .macro save_return_regs
+ sub sp, sp, #64
+ stp x0, x1, [sp]
+ stp x2, x3, [sp, #16]
+ stp x4, x5, [sp, #32]
+ stp x6, x7, [sp, #48]
+ .endm
+
+ /* restore return value regs*/
+ .macro restore_return_regs
+ ldp x0, x1, [sp]
+ ldp x2, x3, [sp, #16]
+ ldp x4, x5, [sp, #32]
+ ldp x6, x7, [sp, #48]
+ add sp, sp, #64
+ .endm
+
/*
* void ftrace_graph_caller(void)
*
@@ -204,11 +222,11 @@ ENDPROC(ftrace_graph_caller)
* only when CONFIG_HAVE_FUNCTION_GRAPH_FP_TEST is enabled.
*/
ENTRY(return_to_handler)
- str x0, [sp, #-16]!
+ save_return_regs
mov x0, x29 // parent's fp
bl ftrace_return_to_handler// addr = ftrace_return_to_hander(fp);
mov x30, x0 // restore the original return address
- ldr x0, [sp], #16
+ restore_return_regs
ret
END(return_to_handler)
#endif /* CONFIG_FUNCTION_GRAPH_TRACER */
diff --git a/arch/arm64/kernel/insn.c b/arch/arm64/kernel/insn.c
index f341866aa810..c08b9ad6f429 100644
--- a/arch/arm64/kernel/insn.c
+++ b/arch/arm64/kernel/insn.c
@@ -85,7 +85,7 @@ bool aarch64_insn_is_branch_imm(u32 insn)
aarch64_insn_is_bcond(insn));
}
-static DEFINE_SPINLOCK(patch_lock);
+static DEFINE_RAW_SPINLOCK(patch_lock);
static void __kprobes *patch_map(void *addr, int fixmap)
{
@@ -131,13 +131,13 @@ static int __kprobes __aarch64_insn_write(void *addr, u32 insn)
unsigned long flags = 0;
int ret;
- spin_lock_irqsave(&patch_lock, flags);
+ raw_spin_lock_irqsave(&patch_lock, flags);
waddr = patch_map(addr, FIX_TEXT_POKE0);
ret = probe_kernel_write(waddr, &insn, AARCH64_INSN_SIZE);
patch_unmap(FIX_TEXT_POKE0);
- spin_unlock_irqrestore(&patch_lock, flags);
+ raw_spin_unlock_irqrestore(&patch_lock, flags);
return ret;
}
diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c
index 6bab21f84a9f..232247945b1c 100644
--- a/arch/arm64/kernel/setup.c
+++ b/arch/arm64/kernel/setup.c
@@ -364,6 +364,8 @@ static void __init relocate_initrd(void)
to_free = ram_end - orig_start;
size = orig_end - orig_start;
+ if (!size)
+ return;
/* initrd needs to be relocated completely inside linear mapping */
new_start = memblock_find_in_range(0, PFN_PHYS(max_pfn),
diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c
index aba9ead1384c..9fadf6d7039b 100644
--- a/arch/arm64/mm/fault.c
+++ b/arch/arm64/mm/fault.c
@@ -287,6 +287,7 @@ retry:
* starvation.
*/
mm_flags &= ~FAULT_FLAG_ALLOW_RETRY;
+ mm_flags |= FAULT_FLAG_TRIED;
goto retry;
}
}
diff --git a/arch/avr32/include/asm/Kbuild b/arch/avr32/include/asm/Kbuild
index f61f2dd67464..241b9b9729d8 100644
--- a/arch/avr32/include/asm/Kbuild
+++ b/arch/avr32/include/asm/Kbuild
@@ -20,4 +20,5 @@ generic-y += sections.h
generic-y += topology.h
generic-y += trace_clock.h
generic-y += vga.h
+generic-y += word-at-a-time.h
generic-y += xor.h
diff --git a/arch/blackfin/include/asm/Kbuild b/arch/blackfin/include/asm/Kbuild
index 61cd1e786a14..91d49c0a3118 100644
--- a/arch/blackfin/include/asm/Kbuild
+++ b/arch/blackfin/include/asm/Kbuild
@@ -46,4 +46,5 @@ generic-y += types.h
generic-y += ucontext.h
generic-y += unaligned.h
generic-y += user.h
+generic-y += word-at-a-time.h
generic-y += xor.h
diff --git a/arch/c6x/include/asm/Kbuild b/arch/c6x/include/asm/Kbuild
index f17c4dc6050c..945544ec603e 100644
--- a/arch/c6x/include/asm/Kbuild
+++ b/arch/c6x/include/asm/Kbuild
@@ -59,4 +59,5 @@ generic-y += types.h
generic-y += ucontext.h
generic-y += user.h
generic-y += vga.h
+generic-y += word-at-a-time.h
generic-y += xor.h
diff --git a/arch/cris/include/asm/Kbuild b/arch/cris/include/asm/Kbuild
index b7f68192d15b..1778805f6380 100644
--- a/arch/cris/include/asm/Kbuild
+++ b/arch/cris/include/asm/Kbuild
@@ -43,4 +43,5 @@ generic-y += topology.h
generic-y += trace_clock.h
generic-y += types.h
generic-y += vga.h
+generic-y += word-at-a-time.h
generic-y += xor.h
diff --git a/arch/frv/include/asm/Kbuild b/arch/frv/include/asm/Kbuild
index 8e47b832cc76..1fa084cf1a43 100644
--- a/arch/frv/include/asm/Kbuild
+++ b/arch/frv/include/asm/Kbuild
@@ -7,3 +7,4 @@ generic-y += mcs_spinlock.h
generic-y += mm-arch-hooks.h
generic-y += preempt.h
generic-y += trace_clock.h
+generic-y += word-at-a-time.h
diff --git a/arch/h8300/include/asm/Kbuild b/arch/h8300/include/asm/Kbuild
index 70e6ae1e7006..373cb23301e3 100644
--- a/arch/h8300/include/asm/Kbuild
+++ b/arch/h8300/include/asm/Kbuild
@@ -73,4 +73,5 @@ generic-y += uaccess.h
generic-y += ucontext.h
generic-y += unaligned.h
generic-y += vga.h
+generic-y += word-at-a-time.h
generic-y += xor.h
diff --git a/arch/hexagon/include/asm/Kbuild b/arch/hexagon/include/asm/Kbuild
index daee37bd0999..db8ddabc6bd2 100644
--- a/arch/hexagon/include/asm/Kbuild
+++ b/arch/hexagon/include/asm/Kbuild
@@ -58,4 +58,5 @@ generic-y += types.h
generic-y += ucontext.h
generic-y += unaligned.h
generic-y += vga.h
+generic-y += word-at-a-time.h
generic-y += xor.h
diff --git a/arch/ia64/include/asm/Kbuild b/arch/ia64/include/asm/Kbuild
index 9de3ba12f6b9..502a91d8dbbd 100644
--- a/arch/ia64/include/asm/Kbuild
+++ b/arch/ia64/include/asm/Kbuild
@@ -8,3 +8,4 @@ generic-y += mm-arch-hooks.h
generic-y += preempt.h
generic-y += trace_clock.h
generic-y += vtime.h
+generic-y += word-at-a-time.h
diff --git a/arch/m32r/include/asm/Kbuild b/arch/m32r/include/asm/Kbuild
index e0eb704ca1fa..fd104bd221ce 100644
--- a/arch/m32r/include/asm/Kbuild
+++ b/arch/m32r/include/asm/Kbuild
@@ -9,3 +9,4 @@ generic-y += module.h
generic-y += preempt.h
generic-y += sections.h
generic-y += trace_clock.h
+generic-y += word-at-a-time.h
diff --git a/arch/m68k/configs/amiga_defconfig b/arch/m68k/configs/amiga_defconfig
index 0b6b40d37b95..5b4ec541ba7c 100644
--- a/arch/m68k/configs/amiga_defconfig
+++ b/arch/m68k/configs/amiga_defconfig
@@ -10,6 +10,7 @@ CONFIG_LOG_BUF_SHIFT=16
# CONFIG_PID_NS is not set
# CONFIG_NET_NS is not set
CONFIG_BLK_DEV_INITRD=y
+CONFIG_USERFAULTFD=y
CONFIG_SLAB=y
CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
@@ -57,7 +58,6 @@ CONFIG_NET_IPGRE_DEMUX=m
CONFIG_NET_IPGRE=m
CONFIG_NET_IPVTI=m
CONFIG_NET_FOU_IP_TUNNELS=y
-CONFIG_GENEVE_CORE=m
CONFIG_INET_AH=m
CONFIG_INET_ESP=m
CONFIG_INET_IPCOMP=m
@@ -67,10 +67,12 @@ CONFIG_INET_XFRM_MODE_BEET=m
# CONFIG_INET_LRO is not set
CONFIG_INET_DIAG=m
CONFIG_INET_UDP_DIAG=m
+CONFIG_IPV6=m
CONFIG_IPV6_ROUTER_PREF=y
CONFIG_INET6_AH=m
CONFIG_INET6_ESP=m
CONFIG_INET6_IPCOMP=m
+CONFIG_IPV6_ILA=m
CONFIG_IPV6_VTI=m
CONFIG_IPV6_GRE=m
CONFIG_NETFILTER=y
@@ -179,6 +181,7 @@ CONFIG_IP_SET_HASH_NETIFACE=m
CONFIG_IP_SET_LIST_SET=m
CONFIG_NF_CONNTRACK_IPV4=m
CONFIG_NFT_CHAIN_ROUTE_IPV4=m
+CONFIG_NFT_DUP_IPV4=m
CONFIG_NF_TABLES_ARP=m
CONFIG_NF_LOG_ARP=m
CONFIG_NFT_CHAIN_NAT_IPV4=m
@@ -206,6 +209,7 @@ CONFIG_IP_NF_ARPFILTER=m
CONFIG_IP_NF_ARP_MANGLE=m
CONFIG_NF_CONNTRACK_IPV6=m
CONFIG_NFT_CHAIN_ROUTE_IPV6=m
+CONFIG_NFT_DUP_IPV6=m
CONFIG_NFT_CHAIN_NAT_IPV6=m
CONFIG_NFT_MASQ_IPV6=m
CONFIG_NFT_REDIR_IPV6=m
@@ -271,6 +275,7 @@ CONFIG_NETLINK_DIAG=m
CONFIG_MPLS=y
CONFIG_NET_MPLS_GSO=m
CONFIG_MPLS_ROUTING=m
+CONFIG_MPLS_IPTUNNEL=m
# CONFIG_WIRELESS is not set
# CONFIG_UEVENT_HELPER is not set
CONFIG_DEVTMPFS=y
@@ -370,6 +375,7 @@ CONFIG_ZORRO8390=y
# CONFIG_NET_VENDOR_SEEQ is not set
# CONFIG_NET_VENDOR_SMSC is not set
# CONFIG_NET_VENDOR_STMICRO is not set
+# CONFIG_NET_VENDOR_SYNOPSYS is not set
# CONFIG_NET_VENDOR_VIA is not set
# CONFIG_NET_VENDOR_WIZNET is not set
CONFIG_PPP=m
@@ -537,6 +543,7 @@ CONFIG_TEST_USER_COPY=m
CONFIG_TEST_BPF=m
CONFIG_TEST_FIRMWARE=m
CONFIG_TEST_UDELAY=m
+CONFIG_TEST_STATIC_KEYS=m
CONFIG_EARLY_PRINTK=y
CONFIG_ENCRYPTED_KEYS=m
CONFIG_CRYPTO_RSA=m
diff --git a/arch/m68k/configs/apollo_defconfig b/arch/m68k/configs/apollo_defconfig
index eeb3a8991fc4..6e5198e2c124 100644
--- a/arch/m68k/configs/apollo_defconfig
+++ b/arch/m68k/configs/apollo_defconfig
@@ -10,6 +10,7 @@ CONFIG_LOG_BUF_SHIFT=16
# CONFIG_PID_NS is not set
# CONFIG_NET_NS is not set
CONFIG_BLK_DEV_INITRD=y
+CONFIG_USERFAULTFD=y
CONFIG_SLAB=y
CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
@@ -55,7 +56,6 @@ CONFIG_NET_IPGRE_DEMUX=m
CONFIG_NET_IPGRE=m
CONFIG_NET_IPVTI=m
CONFIG_NET_FOU_IP_TUNNELS=y
-CONFIG_GENEVE_CORE=m
CONFIG_INET_AH=m
CONFIG_INET_ESP=m
CONFIG_INET_IPCOMP=m
@@ -65,10 +65,12 @@ CONFIG_INET_XFRM_MODE_BEET=m
# CONFIG_INET_LRO is not set
CONFIG_INET_DIAG=m
CONFIG_INET_UDP_DIAG=m
+CONFIG_IPV6=m
CONFIG_IPV6_ROUTER_PREF=y
CONFIG_INET6_AH=m
CONFIG_INET6_ESP=m
CONFIG_INET6_IPCOMP=m
+CONFIG_IPV6_ILA=m
CONFIG_IPV6_VTI=m
CONFIG_IPV6_GRE=m
CONFIG_NETFILTER=y
@@ -177,6 +179,7 @@ CONFIG_IP_SET_HASH_NETIFACE=m
CONFIG_IP_SET_LIST_SET=m
CONFIG_NF_CONNTRACK_IPV4=m
CONFIG_NFT_CHAIN_ROUTE_IPV4=m
+CONFIG_NFT_DUP_IPV4=m
CONFIG_NF_TABLES_ARP=m
CONFIG_NF_LOG_ARP=m
CONFIG_NFT_CHAIN_NAT_IPV4=m
@@ -204,6 +207,7 @@ CONFIG_IP_NF_ARPFILTER=m
CONFIG_IP_NF_ARP_MANGLE=m
CONFIG_NF_CONNTRACK_IPV6=m
CONFIG_NFT_CHAIN_ROUTE_IPV6=m
+CONFIG_NFT_DUP_IPV6=m
CONFIG_NFT_CHAIN_NAT_IPV6=m
CONFIG_NFT_MASQ_IPV6=m
CONFIG_NFT_REDIR_IPV6=m
@@ -269,6 +273,7 @@ CONFIG_NETLINK_DIAG=m
CONFIG_MPLS=y
CONFIG_NET_MPLS_GSO=m
CONFIG_MPLS_ROUTING=m
+CONFIG_MPLS_IPTUNNEL=m
# CONFIG_WIRELESS is not set
# CONFIG_UEVENT_HELPER is not set
CONFIG_DEVTMPFS=y
@@ -344,6 +349,7 @@ CONFIG_VETH=m
# CONFIG_NET_VENDOR_SAMSUNG is not set
# CONFIG_NET_VENDOR_SEEQ is not set
# CONFIG_NET_VENDOR_STMICRO is not set
+# CONFIG_NET_VENDOR_SYNOPSYS is not set
# CONFIG_NET_VENDOR_VIA is not set
# CONFIG_NET_VENDOR_WIZNET is not set
CONFIG_PPP=m
@@ -495,6 +501,7 @@ CONFIG_TEST_USER_COPY=m
CONFIG_TEST_BPF=m
CONFIG_TEST_FIRMWARE=m
CONFIG_TEST_UDELAY=m
+CONFIG_TEST_STATIC_KEYS=m
CONFIG_EARLY_PRINTK=y
CONFIG_ENCRYPTED_KEYS=m
CONFIG_CRYPTO_RSA=m
diff --git a/arch/m68k/configs/atari_defconfig b/arch/m68k/configs/atari_defconfig
index 3a7006654ce9..f75600b0ca23 100644
--- a/arch/m68k/configs/atari_defconfig
+++ b/arch/m68k/configs/atari_defconfig
@@ -10,6 +10,7 @@ CONFIG_LOG_BUF_SHIFT=16
# CONFIG_PID_NS is not set
# CONFIG_NET_NS is not set
CONFIG_BLK_DEV_INITRD=y
+CONFIG_USERFAULTFD=y
CONFIG_SLAB=y
CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
@@ -55,7 +56,6 @@ CONFIG_NET_IPGRE_DEMUX=m
CONFIG_NET_IPGRE=m
CONFIG_NET_IPVTI=m
CONFIG_NET_FOU_IP_TUNNELS=y
-CONFIG_GENEVE_CORE=m
CONFIG_INET_AH=m
CONFIG_INET_ESP=m
CONFIG_INET_IPCOMP=m
@@ -65,10 +65,12 @@ CONFIG_INET_XFRM_MODE_BEET=m
# CONFIG_INET_LRO is not set
CONFIG_INET_DIAG=m
CONFIG_INET_UDP_DIAG=m
+CONFIG_IPV6=m
CONFIG_IPV6_ROUTER_PREF=y
CONFIG_INET6_AH=m
CONFIG_INET6_ESP=m
CONFIG_INET6_IPCOMP=m
+CONFIG_IPV6_ILA=m
CONFIG_IPV6_VTI=m
CONFIG_IPV6_GRE=m
CONFIG_NETFILTER=y
@@ -177,6 +179,7 @@ CONFIG_IP_SET_HASH_NETIFACE=m
CONFIG_IP_SET_LIST_SET=m
CONFIG_NF_CONNTRACK_IPV4=m
CONFIG_NFT_CHAIN_ROUTE_IPV4=m
+CONFIG_NFT_DUP_IPV4=m
CONFIG_NF_TABLES_ARP=m
CONFIG_NF_LOG_ARP=m
CONFIG_NFT_CHAIN_NAT_IPV4=m
@@ -204,6 +207,7 @@ CONFIG_IP_NF_ARPFILTER=m
CONFIG_IP_NF_ARP_MANGLE=m
CONFIG_NF_CONNTRACK_IPV6=m
CONFIG_NFT_CHAIN_ROUTE_IPV6=m
+CONFIG_NFT_DUP_IPV6=m
CONFIG_NFT_CHAIN_NAT_IPV6=m
CONFIG_NFT_MASQ_IPV6=m
CONFIG_NFT_REDIR_IPV6=m
@@ -269,6 +273,7 @@ CONFIG_NETLINK_DIAG=m
CONFIG_MPLS=y
CONFIG_NET_MPLS_GSO=m
CONFIG_MPLS_ROUTING=m
+CONFIG_MPLS_IPTUNNEL=m
# CONFIG_WIRELESS is not set
# CONFIG_UEVENT_HELPER is not set
CONFIG_DEVTMPFS=y
@@ -355,6 +360,7 @@ CONFIG_NE2000=y
# CONFIG_NET_VENDOR_SEEQ is not set
CONFIG_SMC91X=y
# CONFIG_NET_VENDOR_STMICRO is not set
+# CONFIG_NET_VENDOR_SYNOPSYS is not set
# CONFIG_NET_VENDOR_VIA is not set
# CONFIG_NET_VENDOR_WIZNET is not set
CONFIG_PPP=m
@@ -517,6 +523,7 @@ CONFIG_TEST_USER_COPY=m
CONFIG_TEST_BPF=m
CONFIG_TEST_FIRMWARE=m
CONFIG_TEST_UDELAY=m
+CONFIG_TEST_STATIC_KEYS=m
CONFIG_EARLY_PRINTK=y
CONFIG_ENCRYPTED_KEYS=m
CONFIG_CRYPTO_RSA=m
diff --git a/arch/m68k/configs/bvme6000_defconfig b/arch/m68k/configs/bvme6000_defconfig
index 0586b323a673..a42d91c389a6 100644
--- a/arch/m68k/configs/bvme6000_defconfig
+++ b/arch/m68k/configs/bvme6000_defconfig
@@ -10,6 +10,7 @@ CONFIG_LOG_BUF_SHIFT=16
# CONFIG_PID_NS is not set
# CONFIG_NET_NS is not set
CONFIG_BLK_DEV_INITRD=y
+CONFIG_USERFAULTFD=y
CONFIG_SLAB=y
CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
@@ -53,7 +54,6 @@ CONFIG_NET_IPGRE_DEMUX=m
CONFIG_NET_IPGRE=m
CONFIG_NET_IPVTI=m
CONFIG_NET_FOU_IP_TUNNELS=y
-CONFIG_GENEVE_CORE=m
CONFIG_INET_AH=m
CONFIG_INET_ESP=m
CONFIG_INET_IPCOMP=m
@@ -63,10 +63,12 @@ CONFIG_INET_XFRM_MODE_BEET=m
# CONFIG_INET_LRO is not set
CONFIG_INET_DIAG=m
CONFIG_INET_UDP_DIAG=m
+CONFIG_IPV6=m
CONFIG_IPV6_ROUTER_PREF=y
CONFIG_INET6_AH=m
CONFIG_INET6_ESP=m
CONFIG_INET6_IPCOMP=m
+CONFIG_IPV6_ILA=m
CONFIG_IPV6_VTI=m
CONFIG_IPV6_GRE=m
CONFIG_NETFILTER=y
@@ -175,6 +177,7 @@ CONFIG_IP_SET_HASH_NETIFACE=m
CONFIG_IP_SET_LIST_SET=m
CONFIG_NF_CONNTRACK_IPV4=m
CONFIG_NFT_CHAIN_ROUTE_IPV4=m
+CONFIG_NFT_DUP_IPV4=m
CONFIG_NF_TABLES_ARP=m
CONFIG_NF_LOG_ARP=m
CONFIG_NFT_CHAIN_NAT_IPV4=m
@@ -202,6 +205,7 @@ CONFIG_IP_NF_ARPFILTER=m
CONFIG_IP_NF_ARP_MANGLE=m
CONFIG_NF_CONNTRACK_IPV6=m
CONFIG_NFT_CHAIN_ROUTE_IPV6=m
+CONFIG_NFT_DUP_IPV6=m
CONFIG_NFT_CHAIN_NAT_IPV6=m
CONFIG_NFT_MASQ_IPV6=m
CONFIG_NFT_REDIR_IPV6=m
@@ -267,6 +271,7 @@ CONFIG_NETLINK_DIAG=m
CONFIG_MPLS=y
CONFIG_NET_MPLS_GSO=m
CONFIG_MPLS_ROUTING=m
+CONFIG_MPLS_IPTUNNEL=m
# CONFIG_WIRELESS is not set
# CONFIG_UEVENT_HELPER is not set
CONFIG_DEVTMPFS=y
@@ -343,6 +348,7 @@ CONFIG_BVME6000_NET=y
# CONFIG_NET_VENDOR_SAMSUNG is not set
# CONFIG_NET_VENDOR_SEEQ is not set
# CONFIG_NET_VENDOR_STMICRO is not set
+# CONFIG_NET_VENDOR_SYNOPSYS is not set
# CONFIG_NET_VENDOR_VIA is not set
# CONFIG_NET_VENDOR_WIZNET is not set
CONFIG_PPP=m
@@ -488,6 +494,7 @@ CONFIG_TEST_USER_COPY=m
CONFIG_TEST_BPF=m
CONFIG_TEST_FIRMWARE=m
CONFIG_TEST_UDELAY=m
+CONFIG_TEST_STATIC_KEYS=m
CONFIG_EARLY_PRINTK=y
CONFIG_ENCRYPTED_KEYS=m
CONFIG_CRYPTO_RSA=m
diff --git a/arch/m68k/configs/hp300_defconfig b/arch/m68k/configs/hp300_defconfig
index ad1dbce07aa4..77f4a11083e9 100644
--- a/arch/m68k/configs/hp300_defconfig
+++ b/arch/m68k/configs/hp300_defconfig
@@ -10,6 +10,7 @@ CONFIG_LOG_BUF_SHIFT=16
# CONFIG_PID_NS is not set
# CONFIG_NET_NS is not set
CONFIG_BLK_DEV_INITRD=y
+CONFIG_USERFAULTFD=y
CONFIG_SLAB=y
CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
@@ -55,7 +56,6 @@ CONFIG_NET_IPGRE_DEMUX=m
CONFIG_NET_IPGRE=m
CONFIG_NET_IPVTI=m
CONFIG_NET_FOU_IP_TUNNELS=y
-CONFIG_GENEVE_CORE=m
CONFIG_INET_AH=m
CONFIG_INET_ESP=m
CONFIG_INET_IPCOMP=m
@@ -65,10 +65,12 @@ CONFIG_INET_XFRM_MODE_BEET=m
# CONFIG_INET_LRO is not set
CONFIG_INET_DIAG=m
CONFIG_INET_UDP_DIAG=m
+CONFIG_IPV6=m
CONFIG_IPV6_ROUTER_PREF=y
CONFIG_INET6_AH=m
CONFIG_INET6_ESP=m
CONFIG_INET6_IPCOMP=m
+CONFIG_IPV6_ILA=m
CONFIG_IPV6_VTI=m
CONFIG_IPV6_GRE=m
CONFIG_NETFILTER=y
@@ -177,6 +179,7 @@ CONFIG_IP_SET_HASH_NETIFACE=m
CONFIG_IP_SET_LIST_SET=m
CONFIG_NF_CONNTRACK_IPV4=m
CONFIG_NFT_CHAIN_ROUTE_IPV4=m
+CONFIG_NFT_DUP_IPV4=m
CONFIG_NF_TABLES_ARP=m
CONFIG_NF_LOG_ARP=m
CONFIG_NFT_CHAIN_NAT_IPV4=m
@@ -204,6 +207,7 @@ CONFIG_IP_NF_ARPFILTER=m
CONFIG_IP_NF_ARP_MANGLE=m
CONFIG_NF_CONNTRACK_IPV6=m
CONFIG_NFT_CHAIN_ROUTE_IPV6=m
+CONFIG_NFT_DUP_IPV6=m
CONFIG_NFT_CHAIN_NAT_IPV6=m
CONFIG_NFT_MASQ_IPV6=m
CONFIG_NFT_REDIR_IPV6=m
@@ -269,6 +273,7 @@ CONFIG_NETLINK_DIAG=m
CONFIG_MPLS=y
CONFIG_NET_MPLS_GSO=m
CONFIG_MPLS_ROUTING=m
+CONFIG_MPLS_IPTUNNEL=m
# CONFIG_WIRELESS is not set
# CONFIG_UEVENT_HELPER is not set
CONFIG_DEVTMPFS=y
@@ -345,6 +350,7 @@ CONFIG_HPLANCE=y
# CONFIG_NET_VENDOR_SAMSUNG is not set
# CONFIG_NET_VENDOR_SEEQ is not set
# CONFIG_NET_VENDOR_STMICRO is not set
+# CONFIG_NET_VENDOR_SYNOPSYS is not set
# CONFIG_NET_VENDOR_VIA is not set
# CONFIG_NET_VENDOR_WIZNET is not set
CONFIG_PPP=m
@@ -497,6 +503,7 @@ CONFIG_TEST_USER_COPY=m
CONFIG_TEST_BPF=m
CONFIG_TEST_FIRMWARE=m
CONFIG_TEST_UDELAY=m
+CONFIG_TEST_STATIC_KEYS=m
CONFIG_EARLY_PRINTK=y
CONFIG_ENCRYPTED_KEYS=m
CONFIG_CRYPTO_RSA=m
diff --git a/arch/m68k/configs/mac_defconfig b/arch/m68k/configs/mac_defconfig
index b44acacaecf4..5a329f77329b 100644
--- a/arch/m68k/configs/mac_defconfig
+++ b/arch/m68k/configs/mac_defconfig
@@ -10,6 +10,7 @@ CONFIG_LOG_BUF_SHIFT=16
# CONFIG_PID_NS is not set
# CONFIG_NET_NS is not set
CONFIG_BLK_DEV_INITRD=y
+CONFIG_USERFAULTFD=y
CONFIG_SLAB=y
CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
@@ -54,7 +55,6 @@ CONFIG_NET_IPGRE_DEMUX=m
CONFIG_NET_IPGRE=m
CONFIG_NET_IPVTI=m
CONFIG_NET_FOU_IP_TUNNELS=y
-CONFIG_GENEVE_CORE=m
CONFIG_INET_AH=m
CONFIG_INET_ESP=m
CONFIG_INET_IPCOMP=m
@@ -64,10 +64,12 @@ CONFIG_INET_XFRM_MODE_BEET=m
# CONFIG_INET_LRO is not set
CONFIG_INET_DIAG=m
CONFIG_INET_UDP_DIAG=m
+CONFIG_IPV6=m
CONFIG_IPV6_ROUTER_PREF=y
CONFIG_INET6_AH=m
CONFIG_INET6_ESP=m
CONFIG_INET6_IPCOMP=m
+CONFIG_IPV6_ILA=m
CONFIG_IPV6_VTI=m
CONFIG_IPV6_GRE=m
CONFIG_NETFILTER=y
@@ -176,6 +178,7 @@ CONFIG_IP_SET_HASH_NETIFACE=m
CONFIG_IP_SET_LIST_SET=m
CONFIG_NF_CONNTRACK_IPV4=m
CONFIG_NFT_CHAIN_ROUTE_IPV4=m
+CONFIG_NFT_DUP_IPV4=m
CONFIG_NF_TABLES_ARP=m
CONFIG_NF_LOG_ARP=m
CONFIG_NFT_CHAIN_NAT_IPV4=m
@@ -203,6 +206,7 @@ CONFIG_IP_NF_ARPFILTER=m
CONFIG_IP_NF_ARP_MANGLE=m
CONFIG_NF_CONNTRACK_IPV6=m
CONFIG_NFT_CHAIN_ROUTE_IPV6=m
+CONFIG_NFT_DUP_IPV6=m
CONFIG_NFT_CHAIN_NAT_IPV6=m
CONFIG_NFT_MASQ_IPV6=m
CONFIG_NFT_REDIR_IPV6=m
@@ -271,6 +275,7 @@ CONFIG_NETLINK_DIAG=m
CONFIG_MPLS=y
CONFIG_NET_MPLS_GSO=m
CONFIG_MPLS_ROUTING=m
+CONFIG_MPLS_IPTUNNEL=m
# CONFIG_WIRELESS is not set
# CONFIG_UEVENT_HELPER is not set
CONFIG_DEVTMPFS=y
@@ -364,6 +369,7 @@ CONFIG_MAC8390=y
# CONFIG_NET_VENDOR_SEEQ is not set
# CONFIG_NET_VENDOR_SMSC is not set
# CONFIG_NET_VENDOR_STMICRO is not set
+# CONFIG_NET_VENDOR_SYNOPSYS is not set
# CONFIG_NET_VENDOR_VIA is not set
# CONFIG_NET_VENDOR_WIZNET is not set
CONFIG_PPP=m
@@ -519,6 +525,7 @@ CONFIG_TEST_USER_COPY=m
CONFIG_TEST_BPF=m
CONFIG_TEST_FIRMWARE=m
CONFIG_TEST_UDELAY=m
+CONFIG_TEST_STATIC_KEYS=m
CONFIG_EARLY_PRINTK=y
CONFIG_ENCRYPTED_KEYS=m
CONFIG_CRYPTO_RSA=m
diff --git a/arch/m68k/configs/multi_defconfig b/arch/m68k/configs/multi_defconfig
index 8afca3753db1..83c80d2030ec 100644
--- a/arch/m68k/configs/multi_defconfig
+++ b/arch/m68k/configs/multi_defconfig
@@ -10,6 +10,7 @@ CONFIG_LOG_BUF_SHIFT=16
# CONFIG_PID_NS is not set
# CONFIG_NET_NS is not set
CONFIG_BLK_DEV_INITRD=y
+CONFIG_USERFAULTFD=y
CONFIG_SLAB=y
CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
@@ -64,7 +65,6 @@ CONFIG_NET_IPGRE_DEMUX=m
CONFIG_NET_IPGRE=m
CONFIG_NET_IPVTI=m
CONFIG_NET_FOU_IP_TUNNELS=y
-CONFIG_GENEVE_CORE=m
CONFIG_INET_AH=m
CONFIG_INET_ESP=m
CONFIG_INET_IPCOMP=m
@@ -74,10 +74,12 @@ CONFIG_INET_XFRM_MODE_BEET=m
# CONFIG_INET_LRO is not set
CONFIG_INET_DIAG=m
CONFIG_INET_UDP_DIAG=m
+CONFIG_IPV6=m
CONFIG_IPV6_ROUTER_PREF=y
CONFIG_INET6_AH=m
CONFIG_INET6_ESP=m
CONFIG_INET6_IPCOMP=m
+CONFIG_IPV6_ILA=m
CONFIG_IPV6_VTI=m
CONFIG_IPV6_GRE=m
CONFIG_NETFILTER=y
@@ -186,6 +188,7 @@ CONFIG_IP_SET_HASH_NETIFACE=m
CONFIG_IP_SET_LIST_SET=m
CONFIG_NF_CONNTRACK_IPV4=m
CONFIG_NFT_CHAIN_ROUTE_IPV4=m
+CONFIG_NFT_DUP_IPV4=m
CONFIG_NF_TABLES_ARP=m
CONFIG_NF_LOG_ARP=m
CONFIG_NFT_CHAIN_NAT_IPV4=m
@@ -213,6 +216,7 @@ CONFIG_IP_NF_ARPFILTER=m
CONFIG_IP_NF_ARP_MANGLE=m
CONFIG_NF_CONNTRACK_IPV6=m
CONFIG_NFT_CHAIN_ROUTE_IPV6=m
+CONFIG_NFT_DUP_IPV6=m
CONFIG_NFT_CHAIN_NAT_IPV6=m
CONFIG_NFT_MASQ_IPV6=m
CONFIG_NFT_REDIR_IPV6=m
@@ -281,6 +285,7 @@ CONFIG_NETLINK_DIAG=m
CONFIG_MPLS=y
CONFIG_NET_MPLS_GSO=m
CONFIG_MPLS_ROUTING=m
+CONFIG_MPLS_IPTUNNEL=m
# CONFIG_WIRELESS is not set
# CONFIG_UEVENT_HELPER is not set
CONFIG_DEVTMPFS=y
@@ -410,6 +415,7 @@ CONFIG_ZORRO8390=y
# CONFIG_NET_VENDOR_SEEQ is not set
CONFIG_SMC91X=y
# CONFIG_NET_VENDOR_STMICRO is not set
+# CONFIG_NET_VENDOR_SYNOPSYS is not set
# CONFIG_NET_VENDOR_VIA is not set
# CONFIG_NET_VENDOR_WIZNET is not set
CONFIG_PLIP=m
@@ -599,6 +605,7 @@ CONFIG_TEST_USER_COPY=m
CONFIG_TEST_BPF=m
CONFIG_TEST_FIRMWARE=m
CONFIG_TEST_UDELAY=m
+CONFIG_TEST_STATIC_KEYS=m
CONFIG_EARLY_PRINTK=y
CONFIG_ENCRYPTED_KEYS=m
CONFIG_CRYPTO_RSA=m
diff --git a/arch/m68k/configs/mvme147_defconfig b/arch/m68k/configs/mvme147_defconfig
index ef00875994d9..6cb42c3bf5a2 100644
--- a/arch/m68k/configs/mvme147_defconfig
+++ b/arch/m68k/configs/mvme147_defconfig
@@ -10,6 +10,7 @@ CONFIG_LOG_BUF_SHIFT=16
# CONFIG_PID_NS is not set
# CONFIG_NET_NS is not set
CONFIG_BLK_DEV_INITRD=y
+CONFIG_USERFAULTFD=y
CONFIG_SLAB=y
CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
@@ -52,7 +53,6 @@ CONFIG_NET_IPGRE_DEMUX=m
CONFIG_NET_IPGRE=m
CONFIG_NET_IPVTI=m
CONFIG_NET_FOU_IP_TUNNELS=y
-CONFIG_GENEVE_CORE=m
CONFIG_INET_AH=m
CONFIG_INET_ESP=m
CONFIG_INET_IPCOMP=m
@@ -62,10 +62,12 @@ CONFIG_INET_XFRM_MODE_BEET=m
# CONFIG_INET_LRO is not set
CONFIG_INET_DIAG=m
CONFIG_INET_UDP_DIAG=m
+CONFIG_IPV6=m
CONFIG_IPV6_ROUTER_PREF=y
CONFIG_INET6_AH=m
CONFIG_INET6_ESP=m
CONFIG_INET6_IPCOMP=m
+CONFIG_IPV6_ILA=m
CONFIG_IPV6_VTI=m
CONFIG_IPV6_GRE=m
CONFIG_NETFILTER=y
@@ -174,6 +176,7 @@ CONFIG_IP_SET_HASH_NETIFACE=m
CONFIG_IP_SET_LIST_SET=m
CONFIG_NF_CONNTRACK_IPV4=m
CONFIG_NFT_CHAIN_ROUTE_IPV4=m
+CONFIG_NFT_DUP_IPV4=m
CONFIG_NF_TABLES_ARP=m
CONFIG_NF_LOG_ARP=m
CONFIG_NFT_CHAIN_NAT_IPV4=m
@@ -201,6 +204,7 @@ CONFIG_IP_NF_ARPFILTER=m
CONFIG_IP_NF_ARP_MANGLE=m
CONFIG_NF_CONNTRACK_IPV6=m
CONFIG_NFT_CHAIN_ROUTE_IPV6=m
+CONFIG_NFT_DUP_IPV6=m
CONFIG_NFT_CHAIN_NAT_IPV6=m
CONFIG_NFT_MASQ_IPV6=m
CONFIG_NFT_REDIR_IPV6=m
@@ -266,6 +270,7 @@ CONFIG_NETLINK_DIAG=m
CONFIG_MPLS=y
CONFIG_NET_MPLS_GSO=m
CONFIG_MPLS_ROUTING=m
+CONFIG_MPLS_IPTUNNEL=m
# CONFIG_WIRELESS is not set
# CONFIG_UEVENT_HELPER is not set
CONFIG_DEVTMPFS=y
@@ -343,6 +348,7 @@ CONFIG_MVME147_NET=y
# CONFIG_NET_VENDOR_SAMSUNG is not set
# CONFIG_NET_VENDOR_SEEQ is not set
# CONFIG_NET_VENDOR_STMICRO is not set
+# CONFIG_NET_VENDOR_SYNOPSYS is not set
# CONFIG_NET_VENDOR_VIA is not set
# CONFIG_NET_VENDOR_WIZNET is not set
CONFIG_PPP=m
@@ -488,6 +494,7 @@ CONFIG_TEST_USER_COPY=m
CONFIG_TEST_BPF=m
CONFIG_TEST_FIRMWARE=m
CONFIG_TEST_UDELAY=m
+CONFIG_TEST_STATIC_KEYS=m
CONFIG_EARLY_PRINTK=y
CONFIG_ENCRYPTED_KEYS=m
CONFIG_CRYPTO_RSA=m
diff --git a/arch/m68k/configs/mvme16x_defconfig b/arch/m68k/configs/mvme16x_defconfig
index 387c2bd90ff1..c7508c30330c 100644
--- a/arch/m68k/configs/mvme16x_defconfig
+++ b/arch/m68k/configs/mvme16x_defconfig
@@ -10,6 +10,7 @@ CONFIG_LOG_BUF_SHIFT=16
# CONFIG_PID_NS is not set
# CONFIG_NET_NS is not set
CONFIG_BLK_DEV_INITRD=y
+CONFIG_USERFAULTFD=y
CONFIG_SLAB=y
CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
@@ -53,7 +54,6 @@ CONFIG_NET_IPGRE_DEMUX=m
CONFIG_NET_IPGRE=m
CONFIG_NET_IPVTI=m
CONFIG_NET_FOU_IP_TUNNELS=y
-CONFIG_GENEVE_CORE=m
CONFIG_INET_AH=m
CONFIG_INET_ESP=m
CONFIG_INET_IPCOMP=m
@@ -63,10 +63,12 @@ CONFIG_INET_XFRM_MODE_BEET=m
# CONFIG_INET_LRO is not set
CONFIG_INET_DIAG=m
CONFIG_INET_UDP_DIAG=m
+CONFIG_IPV6=m
CONFIG_IPV6_ROUTER_PREF=y
CONFIG_INET6_AH=m
CONFIG_INET6_ESP=m
CONFIG_INET6_IPCOMP=m
+CONFIG_IPV6_ILA=m
CONFIG_IPV6_VTI=m
CONFIG_IPV6_GRE=m
CONFIG_NETFILTER=y
@@ -175,6 +177,7 @@ CONFIG_IP_SET_HASH_NETIFACE=m
CONFIG_IP_SET_LIST_SET=m
CONFIG_NF_CONNTRACK_IPV4=m
CONFIG_NFT_CHAIN_ROUTE_IPV4=m
+CONFIG_NFT_DUP_IPV4=m
CONFIG_NF_TABLES_ARP=m
CONFIG_NF_LOG_ARP=m
CONFIG_NFT_CHAIN_NAT_IPV4=m
@@ -202,6 +205,7 @@ CONFIG_IP_NF_ARPFILTER=m
CONFIG_IP_NF_ARP_MANGLE=m
CONFIG_NF_CONNTRACK_IPV6=m
CONFIG_NFT_CHAIN_ROUTE_IPV6=m
+CONFIG_NFT_DUP_IPV6=m
CONFIG_NFT_CHAIN_NAT_IPV6=m
CONFIG_NFT_MASQ_IPV6=m
CONFIG_NFT_REDIR_IPV6=m
@@ -267,6 +271,7 @@ CONFIG_NETLINK_DIAG=m
CONFIG_MPLS=y
CONFIG_NET_MPLS_GSO=m
CONFIG_MPLS_ROUTING=m
+CONFIG_MPLS_IPTUNNEL=m
# CONFIG_WIRELESS is not set
# CONFIG_UEVENT_HELPER is not set
CONFIG_DEVTMPFS=y
@@ -343,6 +348,7 @@ CONFIG_MVME16x_NET=y
# CONFIG_NET_VENDOR_SAMSUNG is not set
# CONFIG_NET_VENDOR_SEEQ is not set
# CONFIG_NET_VENDOR_STMICRO is not set
+# CONFIG_NET_VENDOR_SYNOPSYS is not set
# CONFIG_NET_VENDOR_VIA is not set
# CONFIG_NET_VENDOR_WIZNET is not set
CONFIG_PPP=m
@@ -488,6 +494,7 @@ CONFIG_TEST_USER_COPY=m
CONFIG_TEST_BPF=m
CONFIG_TEST_FIRMWARE=m
CONFIG_TEST_UDELAY=m
+CONFIG_TEST_STATIC_KEYS=m
CONFIG_EARLY_PRINTK=y
CONFIG_ENCRYPTED_KEYS=m
CONFIG_CRYPTO_RSA=m
diff --git a/arch/m68k/configs/q40_defconfig b/arch/m68k/configs/q40_defconfig
index 35355c1bc714..64b71664a303 100644
--- a/arch/m68k/configs/q40_defconfig
+++ b/arch/m68k/configs/q40_defconfig
@@ -10,6 +10,7 @@ CONFIG_LOG_BUF_SHIFT=16
# CONFIG_PID_NS is not set
# CONFIG_NET_NS is not set
CONFIG_BLK_DEV_INITRD=y
+CONFIG_USERFAULTFD=y
CONFIG_SLAB=y
CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
@@ -53,7 +54,6 @@ CONFIG_NET_IPGRE_DEMUX=m
CONFIG_NET_IPGRE=m
CONFIG_NET_IPVTI=m
CONFIG_NET_FOU_IP_TUNNELS=y
-CONFIG_GENEVE_CORE=m
CONFIG_INET_AH=m
CONFIG_INET_ESP=m
CONFIG_INET_IPCOMP=m
@@ -63,10 +63,12 @@ CONFIG_INET_XFRM_MODE_BEET=m
# CONFIG_INET_LRO is not set
CONFIG_INET_DIAG=m
CONFIG_INET_UDP_DIAG=m
+CONFIG_IPV6=m
CONFIG_IPV6_ROUTER_PREF=y
CONFIG_INET6_AH=m
CONFIG_INET6_ESP=m
CONFIG_INET6_IPCOMP=m
+CONFIG_IPV6_ILA=m
CONFIG_IPV6_VTI=m
CONFIG_IPV6_GRE=m
CONFIG_NETFILTER=y
@@ -175,6 +177,7 @@ CONFIG_IP_SET_HASH_NETIFACE=m
CONFIG_IP_SET_LIST_SET=m
CONFIG_NF_CONNTRACK_IPV4=m
CONFIG_NFT_CHAIN_ROUTE_IPV4=m
+CONFIG_NFT_DUP_IPV4=m
CONFIG_NF_TABLES_ARP=m
CONFIG_NF_LOG_ARP=m
CONFIG_NFT_CHAIN_NAT_IPV4=m
@@ -202,6 +205,7 @@ CONFIG_IP_NF_ARPFILTER=m
CONFIG_IP_NF_ARP_MANGLE=m
CONFIG_NF_CONNTRACK_IPV6=m
CONFIG_NFT_CHAIN_ROUTE_IPV6=m
+CONFIG_NFT_DUP_IPV6=m
CONFIG_NFT_CHAIN_NAT_IPV6=m
CONFIG_NFT_MASQ_IPV6=m
CONFIG_NFT_REDIR_IPV6=m
@@ -267,6 +271,7 @@ CONFIG_NETLINK_DIAG=m
CONFIG_MPLS=y
CONFIG_NET_MPLS_GSO=m
CONFIG_MPLS_ROUTING=m
+CONFIG_MPLS_IPTUNNEL=m
# CONFIG_WIRELESS is not set
# CONFIG_UEVENT_HELPER is not set
CONFIG_DEVTMPFS=y
@@ -354,6 +359,7 @@ CONFIG_NE2000=y
# CONFIG_NET_VENDOR_SEEQ is not set
# CONFIG_NET_VENDOR_SMSC is not set
# CONFIG_NET_VENDOR_STMICRO is not set
+# CONFIG_NET_VENDOR_SYNOPSYS is not set
# CONFIG_NET_VENDOR_VIA is not set
# CONFIG_NET_VENDOR_WIZNET is not set
CONFIG_PLIP=m
@@ -510,6 +516,7 @@ CONFIG_TEST_USER_COPY=m
CONFIG_TEST_BPF=m
CONFIG_TEST_FIRMWARE=m
CONFIG_TEST_UDELAY=m
+CONFIG_TEST_STATIC_KEYS=m
CONFIG_EARLY_PRINTK=y
CONFIG_ENCRYPTED_KEYS=m
CONFIG_CRYPTO_RSA=m
diff --git a/arch/m68k/configs/sun3_defconfig b/arch/m68k/configs/sun3_defconfig
index 8442d267b877..9a4cab78a2ea 100644
--- a/arch/m68k/configs/sun3_defconfig
+++ b/arch/m68k/configs/sun3_defconfig
@@ -10,6 +10,7 @@ CONFIG_LOG_BUF_SHIFT=16
# CONFIG_PID_NS is not set
# CONFIG_NET_NS is not set
CONFIG_BLK_DEV_INITRD=y
+CONFIG_USERFAULTFD=y
CONFIG_SLAB=y
CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
@@ -50,7 +51,6 @@ CONFIG_NET_IPGRE_DEMUX=m
CONFIG_NET_IPGRE=m
CONFIG_NET_IPVTI=m
CONFIG_NET_FOU_IP_TUNNELS=y
-CONFIG_GENEVE_CORE=m
CONFIG_INET_AH=m
CONFIG_INET_ESP=m
CONFIG_INET_IPCOMP=m
@@ -60,10 +60,12 @@ CONFIG_INET_XFRM_MODE_BEET=m
# CONFIG_INET_LRO is not set
CONFIG_INET_DIAG=m
CONFIG_INET_UDP_DIAG=m
+CONFIG_IPV6=m
CONFIG_IPV6_ROUTER_PREF=y
CONFIG_INET6_AH=m
CONFIG_INET6_ESP=m
CONFIG_INET6_IPCOMP=m
+CONFIG_IPV6_ILA=m
CONFIG_IPV6_VTI=m
CONFIG_IPV6_GRE=m
CONFIG_NETFILTER=y
@@ -172,6 +174,7 @@ CONFIG_IP_SET_HASH_NETIFACE=m
CONFIG_IP_SET_LIST_SET=m
CONFIG_NF_CONNTRACK_IPV4=m
CONFIG_NFT_CHAIN_ROUTE_IPV4=m
+CONFIG_NFT_DUP_IPV4=m
CONFIG_NF_TABLES_ARP=m
CONFIG_NF_LOG_ARP=m
CONFIG_NFT_CHAIN_NAT_IPV4=m
@@ -199,6 +202,7 @@ CONFIG_IP_NF_ARPFILTER=m
CONFIG_IP_NF_ARP_MANGLE=m
CONFIG_NF_CONNTRACK_IPV6=m
CONFIG_NFT_CHAIN_ROUTE_IPV6=m
+CONFIG_NFT_DUP_IPV6=m
CONFIG_NFT_CHAIN_NAT_IPV6=m
CONFIG_NFT_MASQ_IPV6=m
CONFIG_NFT_REDIR_IPV6=m
@@ -264,6 +268,7 @@ CONFIG_NETLINK_DIAG=m
CONFIG_MPLS=y
CONFIG_NET_MPLS_GSO=m
CONFIG_MPLS_ROUTING=m
+CONFIG_MPLS_IPTUNNEL=m
# CONFIG_WIRELESS is not set
# CONFIG_UEVENT_HELPER is not set
CONFIG_DEVTMPFS=y
@@ -341,6 +346,7 @@ CONFIG_SUN3_82586=y
# CONFIG_NET_VENDOR_SEEQ is not set
# CONFIG_NET_VENDOR_STMICRO is not set
# CONFIG_NET_VENDOR_SUN is not set
+# CONFIG_NET_VENDOR_SYNOPSYS is not set
# CONFIG_NET_VENDOR_VIA is not set
# CONFIG_NET_VENDOR_WIZNET is not set
CONFIG_PPP=m
@@ -489,6 +495,7 @@ CONFIG_TEST_USER_COPY=m
CONFIG_TEST_BPF=m
CONFIG_TEST_FIRMWARE=m
CONFIG_TEST_UDELAY=m
+CONFIG_TEST_STATIC_KEYS=m
CONFIG_ENCRYPTED_KEYS=m
CONFIG_CRYPTO_RSA=m
CONFIG_CRYPTO_MANAGER=y
diff --git a/arch/m68k/configs/sun3x_defconfig b/arch/m68k/configs/sun3x_defconfig
index 0e1b542e1555..1a2eaac13dbd 100644
--- a/arch/m68k/configs/sun3x_defconfig
+++ b/arch/m68k/configs/sun3x_defconfig
@@ -10,6 +10,7 @@ CONFIG_LOG_BUF_SHIFT=16
# CONFIG_PID_NS is not set
# CONFIG_NET_NS is not set
CONFIG_BLK_DEV_INITRD=y
+CONFIG_USERFAULTFD=y
CONFIG_SLAB=y
CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
@@ -50,7 +51,6 @@ CONFIG_NET_IPGRE_DEMUX=m
CONFIG_NET_IPGRE=m
CONFIG_NET_IPVTI=m
CONFIG_NET_FOU_IP_TUNNELS=y
-CONFIG_GENEVE_CORE=m
CONFIG_INET_AH=m
CONFIG_INET_ESP=m
CONFIG_INET_IPCOMP=m
@@ -60,10 +60,12 @@ CONFIG_INET_XFRM_MODE_BEET=m
# CONFIG_INET_LRO is not set
CONFIG_INET_DIAG=m
CONFIG_INET_UDP_DIAG=m
+CONFIG_IPV6=m
CONFIG_IPV6_ROUTER_PREF=y
CONFIG_INET6_AH=m
CONFIG_INET6_ESP=m
CONFIG_INET6_IPCOMP=m
+CONFIG_IPV6_ILA=m
CONFIG_IPV6_VTI=m
CONFIG_IPV6_GRE=m
CONFIG_NETFILTER=y
@@ -172,6 +174,7 @@ CONFIG_IP_SET_HASH_NETIFACE=m
CONFIG_IP_SET_LIST_SET=m
CONFIG_NF_CONNTRACK_IPV4=m
CONFIG_NFT_CHAIN_ROUTE_IPV4=m
+CONFIG_NFT_DUP_IPV4=m
CONFIG_NF_TABLES_ARP=m
CONFIG_NF_LOG_ARP=m
CONFIG_NFT_CHAIN_NAT_IPV4=m
@@ -199,6 +202,7 @@ CONFIG_IP_NF_ARPFILTER=m
CONFIG_IP_NF_ARP_MANGLE=m
CONFIG_NF_CONNTRACK_IPV6=m
CONFIG_NFT_CHAIN_ROUTE_IPV6=m
+CONFIG_NFT_DUP_IPV6=m
CONFIG_NFT_CHAIN_NAT_IPV6=m
CONFIG_NFT_MASQ_IPV6=m
CONFIG_NFT_REDIR_IPV6=m
@@ -264,6 +268,7 @@ CONFIG_NETLINK_DIAG=m
CONFIG_MPLS=y
CONFIG_NET_MPLS_GSO=m
CONFIG_MPLS_ROUTING=m
+CONFIG_MPLS_IPTUNNEL=m
# CONFIG_WIRELESS is not set
# CONFIG_UEVENT_HELPER is not set
CONFIG_DEVTMPFS=y
@@ -341,6 +346,7 @@ CONFIG_SUN3LANCE=y
# CONFIG_NET_VENDOR_SAMSUNG is not set
# CONFIG_NET_VENDOR_SEEQ is not set
# CONFIG_NET_VENDOR_STMICRO is not set
+# CONFIG_NET_VENDOR_SYNOPSYS is not set
# CONFIG_NET_VENDOR_VIA is not set
# CONFIG_NET_VENDOR_WIZNET is not set
CONFIG_PPP=m
@@ -489,6 +495,7 @@ CONFIG_TEST_USER_COPY=m
CONFIG_TEST_BPF=m
CONFIG_TEST_FIRMWARE=m
CONFIG_TEST_UDELAY=m
+CONFIG_TEST_STATIC_KEYS=m
CONFIG_EARLY_PRINTK=y
CONFIG_ENCRYPTED_KEYS=m
CONFIG_CRYPTO_RSA=m
diff --git a/arch/m68k/include/asm/linkage.h b/arch/m68k/include/asm/linkage.h
index 5a822bb790f7..066e74f666ae 100644
--- a/arch/m68k/include/asm/linkage.h
+++ b/arch/m68k/include/asm/linkage.h
@@ -4,4 +4,34 @@
#define __ALIGN .align 4
#define __ALIGN_STR ".align 4"
+/*
+ * Make sure the compiler doesn't do anything stupid with the
+ * arguments on the stack - they are owned by the *caller*, not
+ * the callee. This just fools gcc into not spilling into them,
+ * and keeps it from doing tailcall recursion and/or using the
+ * stack slots for temporaries, since they are live and "used"
+ * all the way to the end of the function.
+ */
+#define asmlinkage_protect(n, ret, args...) \
+ __asmlinkage_protect##n(ret, ##args)
+#define __asmlinkage_protect_n(ret, args...) \
+ __asm__ __volatile__ ("" : "=r" (ret) : "0" (ret), ##args)
+#define __asmlinkage_protect0(ret) \
+ __asmlinkage_protect_n(ret)
+#define __asmlinkage_protect1(ret, arg1) \
+ __asmlinkage_protect_n(ret, "m" (arg1))
+#define __asmlinkage_protect2(ret, arg1, arg2) \
+ __asmlinkage_protect_n(ret, "m" (arg1), "m" (arg2))
+#define __asmlinkage_protect3(ret, arg1, arg2, arg3) \
+ __asmlinkage_protect_n(ret, "m" (arg1), "m" (arg2), "m" (arg3))
+#define __asmlinkage_protect4(ret, arg1, arg2, arg3, arg4) \
+ __asmlinkage_protect_n(ret, "m" (arg1), "m" (arg2), "m" (arg3), \
+ "m" (arg4))
+#define __asmlinkage_protect5(ret, arg1, arg2, arg3, arg4, arg5) \
+ __asmlinkage_protect_n(ret, "m" (arg1), "m" (arg2), "m" (arg3), \
+ "m" (arg4), "m" (arg5))
+#define __asmlinkage_protect6(ret, arg1, arg2, arg3, arg4, arg5, arg6) \
+ __asmlinkage_protect_n(ret, "m" (arg1), "m" (arg2), "m" (arg3), \
+ "m" (arg4), "m" (arg5), "m" (arg6))
+
#endif
diff --git a/arch/m68k/include/asm/unistd.h b/arch/m68k/include/asm/unistd.h
index 244e0dbe45db..0793a7f17417 100644
--- a/arch/m68k/include/asm/unistd.h
+++ b/arch/m68k/include/asm/unistd.h
@@ -4,7 +4,7 @@
#include <uapi/asm/unistd.h>
-#define NR_syscalls 356
+#define NR_syscalls 375
#define __ARCH_WANT_OLD_READDIR
#define __ARCH_WANT_OLD_STAT
diff --git a/arch/m68k/include/uapi/asm/unistd.h b/arch/m68k/include/uapi/asm/unistd.h
index 61fb6cb9d2ae..5e6fae6c275f 100644
--- a/arch/m68k/include/uapi/asm/unistd.h
+++ b/arch/m68k/include/uapi/asm/unistd.h
@@ -361,5 +361,24 @@
#define __NR_memfd_create 353
#define __NR_bpf 354
#define __NR_execveat 355
+#define __NR_socket 356
+#define __NR_socketpair 357
+#define __NR_bind 358
+#define __NR_connect 359
+#define __NR_listen 360
+#define __NR_accept4 361
+#define __NR_getsockopt 362
+#define __NR_setsockopt 363
+#define __NR_getsockname 364
+#define __NR_getpeername 365
+#define __NR_sendto 366
+#define __NR_sendmsg 367
+#define __NR_recvfrom 368
+#define __NR_recvmsg 369
+#define __NR_shutdown 370
+#define __NR_recvmmsg 371
+#define __NR_sendmmsg 372
+#define __NR_userfaultfd 373
+#define __NR_membarrier 374
#endif /* _UAPI_ASM_M68K_UNISTD_H_ */
diff --git a/arch/m68k/kernel/syscalltable.S b/arch/m68k/kernel/syscalltable.S
index a0ec4303f2c8..5dd0e80042f5 100644
--- a/arch/m68k/kernel/syscalltable.S
+++ b/arch/m68k/kernel/syscalltable.S
@@ -376,4 +376,22 @@ ENTRY(sys_call_table)
.long sys_memfd_create
.long sys_bpf
.long sys_execveat /* 355 */
-
+ .long sys_socket
+ .long sys_socketpair
+ .long sys_bind
+ .long sys_connect
+ .long sys_listen /* 360 */
+ .long sys_accept4
+ .long sys_getsockopt
+ .long sys_setsockopt
+ .long sys_getsockname
+ .long sys_getpeername /* 365 */
+ .long sys_sendto
+ .long sys_sendmsg
+ .long sys_recvfrom
+ .long sys_recvmsg
+ .long sys_shutdown /* 370 */
+ .long sys_recvmmsg
+ .long sys_sendmmsg
+ .long sys_userfaultfd
+ .long sys_membarrier
diff --git a/arch/metag/include/asm/Kbuild b/arch/metag/include/asm/Kbuild
index df31353fd200..29acb89daaaa 100644
--- a/arch/metag/include/asm/Kbuild
+++ b/arch/metag/include/asm/Kbuild
@@ -54,4 +54,5 @@ generic-y += ucontext.h
generic-y += unaligned.h
generic-y += user.h
generic-y += vga.h
+generic-y += word-at-a-time.h
generic-y += xor.h
diff --git a/arch/microblaze/include/asm/Kbuild b/arch/microblaze/include/asm/Kbuild
index 2f222f355c4b..b0ae88c9fed9 100644
--- a/arch/microblaze/include/asm/Kbuild
+++ b/arch/microblaze/include/asm/Kbuild
@@ -10,3 +10,4 @@ generic-y += mm-arch-hooks.h
generic-y += preempt.h
generic-y += syscalls.h
generic-y += trace_clock.h
+generic-y += word-at-a-time.h
diff --git a/arch/mips/cavium-octeon/setup.c b/arch/mips/cavium-octeon/setup.c
index 89a628455bc2..bd634259eab9 100644
--- a/arch/mips/cavium-octeon/setup.c
+++ b/arch/mips/cavium-octeon/setup.c
@@ -933,7 +933,7 @@ void __init plat_mem_setup(void)
while ((boot_mem_map.nr_map < BOOT_MEM_MAP_MAX)
&& (total < MAX_MEMORY)) {
memory = cvmx_bootmem_phy_alloc(mem_alloc_size,
- __pa_symbol(&__init_end), -1,
+ __pa_symbol(&_end), -1,
0x100000,
CVMX_BOOTMEM_FLAG_NO_LOCKING);
if (memory >= 0) {
diff --git a/arch/mips/include/asm/Kbuild b/arch/mips/include/asm/Kbuild
index 40ec4ca3f946..c7fe4d01e79c 100644
--- a/arch/mips/include/asm/Kbuild
+++ b/arch/mips/include/asm/Kbuild
@@ -17,4 +17,5 @@ generic-y += segment.h
generic-y += serial.h
generic-y += trace_clock.h
generic-y += user.h
+generic-y += word-at-a-time.h
generic-y += xor.h
diff --git a/arch/mips/include/asm/io.h b/arch/mips/include/asm/io.h
index 9e777cd42b67..d10fd80dbb7e 100644
--- a/arch/mips/include/asm/io.h
+++ b/arch/mips/include/asm/io.h
@@ -256,6 +256,7 @@ static inline void __iomem * __ioremap_mode(phys_addr_t offset, unsigned long si
*/
#define ioremap_nocache(offset, size) \
__ioremap_mode((offset), (size), _CACHE_UNCACHED)
+#define ioremap_uc ioremap_nocache
/*
* ioremap_cachable - map bus memory into CPU space
diff --git a/arch/mips/include/uapi/asm/swab.h b/arch/mips/include/uapi/asm/swab.h
index c4ddc4f0d2dc..23cd9b118c9e 100644
--- a/arch/mips/include/uapi/asm/swab.h
+++ b/arch/mips/include/uapi/asm/swab.h
@@ -13,16 +13,15 @@
#define __SWAB_64_THRU_32__
-#if (defined(__mips_isa_rev) && (__mips_isa_rev >= 2)) || \
- defined(_MIPS_ARCH_LOONGSON3A)
+#if !defined(__mips16) && \
+ ((defined(__mips_isa_rev) && (__mips_isa_rev >= 2)) || \
+ defined(_MIPS_ARCH_LOONGSON3A))
-static inline __attribute__((nomips16)) __attribute_const__
- __u16 __arch_swab16(__u16 x)
+static inline __attribute_const__ __u16 __arch_swab16(__u16 x)
{
__asm__(
" .set push \n"
" .set arch=mips32r2 \n"
- " .set nomips16 \n"
" wsbh %0, %1 \n"
" .set pop \n"
: "=r" (x)
@@ -32,13 +31,11 @@ static inline __attribute__((nomips16)) __attribute_const__
}
#define __arch_swab16 __arch_swab16
-static inline __attribute__((nomips16)) __attribute_const__
- __u32 __arch_swab32(__u32 x)
+static inline __attribute_const__ __u32 __arch_swab32(__u32 x)
{
__asm__(
" .set push \n"
" .set arch=mips32r2 \n"
- " .set nomips16 \n"
" wsbh %0, %1 \n"
" rotr %0, %0, 16 \n"
" .set pop \n"
@@ -54,13 +51,11 @@ static inline __attribute__((nomips16)) __attribute_const__
* 64-bit kernel on r2 CPUs.
*/
#ifdef __mips64
-static inline __attribute__((nomips16)) __attribute_const__
- __u64 __arch_swab64(__u64 x)
+static inline __attribute_const__ __u64 __arch_swab64(__u64 x)
{
__asm__(
" .set push \n"
" .set arch=mips64r2 \n"
- " .set nomips16 \n"
" dsbh %0, %1 \n"
" dshd %0, %0 \n"
" .set pop \n"
@@ -71,5 +66,5 @@ static inline __attribute__((nomips16)) __attribute_const__
}
#define __arch_swab64 __arch_swab64
#endif /* __mips64 */
-#endif /* MIPS R2 or newer or Loongson 3A */
+#endif /* (not __mips16) and (MIPS R2 or newer or Loongson 3A) */
#endif /* _ASM_SWAB_H */
diff --git a/arch/mips/include/uapi/asm/unistd.h b/arch/mips/include/uapi/asm/unistd.h
index c03088f9f514..cfabadb135d9 100644
--- a/arch/mips/include/uapi/asm/unistd.h
+++ b/arch/mips/include/uapi/asm/unistd.h
@@ -377,16 +377,18 @@
#define __NR_memfd_create (__NR_Linux + 354)
#define __NR_bpf (__NR_Linux + 355)
#define __NR_execveat (__NR_Linux + 356)
+#define __NR_userfaultfd (__NR_Linux + 357)
+#define __NR_membarrier (__NR_Linux + 358)
/*
* Offset of the last Linux o32 flavoured syscall
*/
-#define __NR_Linux_syscalls 356
+#define __NR_Linux_syscalls 358
#endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */
#define __NR_O32_Linux 4000
-#define __NR_O32_Linux_syscalls 356
+#define __NR_O32_Linux_syscalls 358
#if _MIPS_SIM == _MIPS_SIM_ABI64
@@ -711,16 +713,18 @@
#define __NR_memfd_create (__NR_Linux + 314)
#define __NR_bpf (__NR_Linux + 315)
#define __NR_execveat (__NR_Linux + 316)
+#define __NR_userfaultfd (__NR_Linux + 317)
+#define __NR_membarrier (__NR_Linux + 318)
/*
* Offset of the last Linux 64-bit flavoured syscall
*/
-#define __NR_Linux_syscalls 316
+#define __NR_Linux_syscalls 318
#endif /* _MIPS_SIM == _MIPS_SIM_ABI64 */
#define __NR_64_Linux 5000
-#define __NR_64_Linux_syscalls 316
+#define __NR_64_Linux_syscalls 318
#if _MIPS_SIM == _MIPS_SIM_NABI32
@@ -1049,15 +1053,17 @@
#define __NR_memfd_create (__NR_Linux + 318)
#define __NR_bpf (__NR_Linux + 319)
#define __NR_execveat (__NR_Linux + 320)
+#define __NR_userfaultfd (__NR_Linux + 321)
+#define __NR_membarrier (__NR_Linux + 322)
/*
* Offset of the last N32 flavoured syscall
*/
-#define __NR_Linux_syscalls 320
+#define __NR_Linux_syscalls 322
#endif /* _MIPS_SIM == _MIPS_SIM_NABI32 */
#define __NR_N32_Linux 6000
-#define __NR_N32_Linux_syscalls 320
+#define __NR_N32_Linux_syscalls 322
#endif /* _UAPI_ASM_UNISTD_H */
diff --git a/arch/mips/jz4740/board-qi_lb60.c b/arch/mips/jz4740/board-qi_lb60.c
index 4e62bf85d0b0..459cb017306c 100644
--- a/arch/mips/jz4740/board-qi_lb60.c
+++ b/arch/mips/jz4740/board-qi_lb60.c
@@ -26,6 +26,7 @@
#include <linux/power/jz4740-battery.h>
#include <linux/power/gpio-charger.h>
+#include <asm/mach-jz4740/gpio.h>
#include <asm/mach-jz4740/jz4740_fb.h>
#include <asm/mach-jz4740/jz4740_mmc.h>
#include <asm/mach-jz4740/jz4740_nand.h>
diff --git a/arch/mips/jz4740/gpio.c b/arch/mips/jz4740/gpio.c
index a74e181058b0..8c6d76c9b2d6 100644
--- a/arch/mips/jz4740/gpio.c
+++ b/arch/mips/jz4740/gpio.c
@@ -28,6 +28,7 @@
#include <linux/seq_file.h>
#include <asm/mach-jz4740/base.h>
+#include <asm/mach-jz4740/gpio.h>
#define JZ4740_GPIO_BASE_A (32*0)
#define JZ4740_GPIO_BASE_B (32*1)
diff --git a/arch/mips/kernel/cps-vec.S b/arch/mips/kernel/cps-vec.S
index 9f71c06aebf6..209ded16806b 100644
--- a/arch/mips/kernel/cps-vec.S
+++ b/arch/mips/kernel/cps-vec.S
@@ -39,6 +39,7 @@
mfc0 \dest, CP0_CONFIG, 3
andi \dest, \dest, MIPS_CONF3_MT
beqz \dest, \nomt
+ nop
.endm
.section .text.cps-vec
@@ -223,10 +224,9 @@ LEAF(excep_ejtag)
END(excep_ejtag)
LEAF(mips_cps_core_init)
-#ifdef CONFIG_MIPS_MT
+#ifdef CONFIG_MIPS_MT_SMP
/* Check that the core implements the MT ASE */
has_mt t0, 3f
- nop
.set push
.set mips64r2
@@ -310,8 +310,9 @@ LEAF(mips_cps_boot_vpes)
PTR_ADDU t0, t0, t1
/* Calculate this VPEs ID. If the core doesn't support MT use 0 */
+ li t9, 0
+#ifdef CONFIG_MIPS_MT_SMP
has_mt ta2, 1f
- li t9, 0
/* Find the number of VPEs present in the core */
mfc0 t1, CP0_MVPCONF0
@@ -330,6 +331,7 @@ LEAF(mips_cps_boot_vpes)
/* Retrieve the VPE ID from EBase.CPUNum */
mfc0 t9, $15, 1
and t9, t9, t1
+#endif
1: /* Calculate a pointer to this VPEs struct vpe_boot_config */
li t1, VPEBOOTCFG_SIZE
@@ -337,7 +339,7 @@ LEAF(mips_cps_boot_vpes)
PTR_L ta3, COREBOOTCFG_VPECONFIG(t0)
PTR_ADDU v0, v0, ta3
-#ifdef CONFIG_MIPS_MT
+#ifdef CONFIG_MIPS_MT_SMP
/* If the core doesn't support MT then return */
bnez ta2, 1f
@@ -451,7 +453,7 @@ LEAF(mips_cps_boot_vpes)
2: .set pop
-#endif /* CONFIG_MIPS_MT */
+#endif /* CONFIG_MIPS_MT_SMP */
/* Return */
jr ra
diff --git a/arch/mips/kernel/octeon_switch.S b/arch/mips/kernel/octeon_switch.S
index 423ae83af1fb..3375745b9198 100644
--- a/arch/mips/kernel/octeon_switch.S
+++ b/arch/mips/kernel/octeon_switch.S
@@ -18,7 +18,7 @@
.set pop
/*
* task_struct *resume(task_struct *prev, task_struct *next,
- * struct thread_info *next_ti, int usedfpu)
+ * struct thread_info *next_ti)
*/
.align 7
LEAF(resume)
@@ -28,30 +28,6 @@
cpu_save_nonscratch a0
LONG_S ra, THREAD_REG31(a0)
- /*
- * check if we need to save FPU registers
- */
- .set push
- .set noreorder
- beqz a3, 1f
- PTR_L t3, TASK_THREAD_INFO(a0)
- .set pop
-
- /*
- * clear saved user stack CU1 bit
- */
- LONG_L t0, ST_OFF(t3)
- li t1, ~ST0_CU1
- and t0, t0, t1
- LONG_S t0, ST_OFF(t3)
-
- .set push
- .set arch=mips64r2
- fpu_save_double a0 t0 t1 # c0_status passed in t0
- # clobbers t1
- .set pop
-1:
-
#if CONFIG_CAVIUM_OCTEON_CVMSEG_SIZE > 0
/* Check if we need to store CVMSEG state */
dmfc0 t0, $11,7 /* CvmMemCtl */
diff --git a/arch/mips/kernel/r2300_switch.S b/arch/mips/kernel/r2300_switch.S
index 5087a4b72e6b..ac27ef7d4d0e 100644
--- a/arch/mips/kernel/r2300_switch.S
+++ b/arch/mips/kernel/r2300_switch.S
@@ -31,18 +31,8 @@
#define ST_OFF (_THREAD_SIZE - 32 - PT_SIZE + PT_STATUS)
/*
- * FPU context is saved iff the process has used it's FPU in the current
- * time slice as indicated by TIF_USEDFPU. In any case, the CU1 bit for user
- * space STATUS register should be 0, so that a process *always* starts its
- * userland with FPU disabled after each context switch.
- *
- * FPU will be enabled as soon as the process accesses FPU again, through
- * do_cpu() trap.
- */
-
-/*
* task_struct *resume(task_struct *prev, task_struct *next,
- * struct thread_info *next_ti, int usedfpu)
+ * struct thread_info *next_ti)
*/
LEAF(resume)
mfc0 t1, CP0_STATUS
@@ -50,22 +40,6 @@ LEAF(resume)
cpu_save_nonscratch a0
sw ra, THREAD_REG31(a0)
- beqz a3, 1f
-
- PTR_L t3, TASK_THREAD_INFO(a0)
-
- /*
- * clear saved user stack CU1 bit
- */
- lw t0, ST_OFF(t3)
- li t1, ~ST0_CU1
- and t0, t0, t1
- sw t0, ST_OFF(t3)
-
- fpu_save_single a0, t0 # clobbers t0
-
-1:
-
#if defined(CONFIG_CC_STACKPROTECTOR) && !defined(CONFIG_SMP)
PTR_LA t8, __stack_chk_guard
LONG_L t9, TASK_STACK_CANARY(a1)
diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S
index 4cc13508d967..65a74e4f0f45 100644
--- a/arch/mips/kernel/scall32-o32.S
+++ b/arch/mips/kernel/scall32-o32.S
@@ -36,16 +36,8 @@ NESTED(handle_sys, PT_SIZE, sp)
lw t1, PT_EPC(sp) # skip syscall on return
subu v0, v0, __NR_O32_Linux # check syscall number
- sltiu t0, v0, __NR_O32_Linux_syscalls + 1
addiu t1, 4 # skip to next instruction
sw t1, PT_EPC(sp)
- beqz t0, illegal_syscall
-
- sll t0, v0, 2
- la t1, sys_call_table
- addu t1, t0
- lw t2, (t1) # syscall routine
- beqz t2, illegal_syscall
sw a3, PT_R26(sp) # save a3 for syscall restarting
@@ -96,6 +88,16 @@ loads_done:
li t1, _TIF_WORK_SYSCALL_ENTRY
and t0, t1
bnez t0, syscall_trace_entry # -> yes
+syscall_common:
+ sltiu t0, v0, __NR_O32_Linux_syscalls + 1
+ beqz t0, illegal_syscall
+
+ sll t0, v0, 2
+ la t1, sys_call_table
+ addu t1, t0
+ lw t2, (t1) # syscall routine
+
+ beqz t2, illegal_syscall
jalr t2 # Do The Real Thing (TM)
@@ -116,7 +118,7 @@ o32_syscall_exit:
syscall_trace_entry:
SAVE_STATIC
- move s0, t2
+ move s0, v0
move a0, sp
/*
@@ -129,27 +131,18 @@ syscall_trace_entry:
1: jal syscall_trace_enter
- bltz v0, 2f # seccomp failed? Skip syscall
+ bltz v0, 1f # seccomp failed? Skip syscall
+
+ move v0, s0 # restore syscall
- move t0, s0
RESTORE_STATIC
lw a0, PT_R4(sp) # Restore argument registers
lw a1, PT_R5(sp)
lw a2, PT_R6(sp)
lw a3, PT_R7(sp)
- jalr t0
-
- li t0, -EMAXERRNO - 1 # error?
- sltu t0, t0, v0
- sw t0, PT_R7(sp) # set error flag
- beqz t0, 1f
-
- lw t1, PT_R2(sp) # syscall number
- negu v0 # error
- sw t1, PT_R0(sp) # save it for syscall restarting
-1: sw v0, PT_R2(sp) # result
+ j syscall_common
-2: j syscall_exit
+1: j syscall_exit
/* ------------------------------------------------------------------------ */
@@ -599,3 +592,5 @@ EXPORT(sys_call_table)
PTR sys_memfd_create
PTR sys_bpf /* 4355 */
PTR sys_execveat
+ PTR sys_userfaultfd
+ PTR sys_membarrier
diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S
index a6f6b762c47a..e732981cf99f 100644
--- a/arch/mips/kernel/scall64-64.S
+++ b/arch/mips/kernel/scall64-64.S
@@ -39,18 +39,11 @@ NESTED(handle_sys64, PT_SIZE, sp)
.set at
#endif
- dsubu t0, v0, __NR_64_Linux # check syscall number
- sltiu t0, t0, __NR_64_Linux_syscalls + 1
#if !defined(CONFIG_MIPS32_O32) && !defined(CONFIG_MIPS32_N32)
ld t1, PT_EPC(sp) # skip syscall on return
daddiu t1, 4 # skip to next instruction
sd t1, PT_EPC(sp)
#endif
- beqz t0, illegal_syscall
-
- dsll t0, v0, 3 # offset into table
- ld t2, (sys_call_table - (__NR_64_Linux * 8))(t0)
- # syscall routine
sd a3, PT_R26(sp) # save a3 for syscall restarting
@@ -59,6 +52,17 @@ NESTED(handle_sys64, PT_SIZE, sp)
and t0, t1, t0
bnez t0, syscall_trace_entry
+syscall_common:
+ dsubu t2, v0, __NR_64_Linux
+ sltiu t0, t2, __NR_64_Linux_syscalls + 1
+ beqz t0, illegal_syscall
+
+ dsll t0, t2, 3 # offset into table
+ dla t2, sys_call_table
+ daddu t0, t2, t0
+ ld t2, (t0) # syscall routine
+ beqz t2, illegal_syscall
+
jalr t2 # Do The Real Thing (TM)
li t0, -EMAXERRNO - 1 # error?
@@ -78,14 +82,14 @@ n64_syscall_exit:
syscall_trace_entry:
SAVE_STATIC
- move s0, t2
+ move s0, v0
move a0, sp
move a1, v0
jal syscall_trace_enter
- bltz v0, 2f # seccomp failed? Skip syscall
+ bltz v0, 1f # seccomp failed? Skip syscall
- move t0, s0
+ move v0, s0
RESTORE_STATIC
ld a0, PT_R4(sp) # Restore argument registers
ld a1, PT_R5(sp)
@@ -93,19 +97,9 @@ syscall_trace_entry:
ld a3, PT_R7(sp)
ld a4, PT_R8(sp)
ld a5, PT_R9(sp)
- jalr t0
-
- li t0, -EMAXERRNO - 1 # error?
- sltu t0, t0, v0
- sd t0, PT_R7(sp) # set error flag
- beqz t0, 1f
-
- ld t1, PT_R2(sp) # syscall number
- dnegu v0 # error
- sd t1, PT_R0(sp) # save it for syscall restarting
-1: sd v0, PT_R2(sp) # result
+ j syscall_common
-2: j syscall_exit
+1: j syscall_exit
illegal_syscall:
/* This also isn't a 64-bit syscall, throw an error. */
@@ -436,4 +430,6 @@ EXPORT(sys_call_table)
PTR sys_memfd_create
PTR sys_bpf /* 5315 */
PTR sys_execveat
+ PTR sys_userfaultfd
+ PTR sys_membarrier
.size sys_call_table,.-sys_call_table
diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S
index 4b2010654c46..c79484397584 100644
--- a/arch/mips/kernel/scall64-n32.S
+++ b/arch/mips/kernel/scall64-n32.S
@@ -52,6 +52,7 @@ NESTED(handle_sysn32, PT_SIZE, sp)
and t0, t1, t0
bnez t0, n32_syscall_trace_entry
+syscall_common:
jalr t2 # Do The Real Thing (TM)
li t0, -EMAXERRNO - 1 # error?
@@ -75,9 +76,9 @@ n32_syscall_trace_entry:
move a1, v0
jal syscall_trace_enter
- bltz v0, 2f # seccomp failed? Skip syscall
+ bltz v0, 1f # seccomp failed? Skip syscall
- move t0, s0
+ move t2, s0
RESTORE_STATIC
ld a0, PT_R4(sp) # Restore argument registers
ld a1, PT_R5(sp)
@@ -85,19 +86,9 @@ n32_syscall_trace_entry:
ld a3, PT_R7(sp)
ld a4, PT_R8(sp)
ld a5, PT_R9(sp)
- jalr t0
+ j syscall_common
- li t0, -EMAXERRNO - 1 # error?
- sltu t0, t0, v0
- sd t0, PT_R7(sp) # set error flag
- beqz t0, 1f
-
- ld t1, PT_R2(sp) # syscall number
- dnegu v0 # error
- sd t1, PT_R0(sp) # save it for syscall restarting
-1: sd v0, PT_R2(sp) # result
-
-2: j syscall_exit
+1: j syscall_exit
not_n32_scall:
/* This is not an n32 compatibility syscall, pass it on to
@@ -429,4 +420,6 @@ EXPORT(sysn32_call_table)
PTR sys_memfd_create
PTR sys_bpf
PTR compat_sys_execveat /* 6320 */
+ PTR sys_userfaultfd
+ PTR sys_membarrier
.size sysn32_call_table,.-sysn32_call_table
diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S
index f543ff4feef9..6369cfd390c6 100644
--- a/arch/mips/kernel/scall64-o32.S
+++ b/arch/mips/kernel/scall64-o32.S
@@ -87,6 +87,7 @@ loads_done:
and t0, t1, t0
bnez t0, trace_a_syscall
+syscall_common:
jalr t2 # Do The Real Thing (TM)
li t0, -EMAXERRNO - 1 # error?
@@ -130,9 +131,9 @@ trace_a_syscall:
1: jal syscall_trace_enter
- bltz v0, 2f # seccomp failed? Skip syscall
+ bltz v0, 1f # seccomp failed? Skip syscall
- move t0, s0
+ move t2, s0
RESTORE_STATIC
ld a0, PT_R4(sp) # Restore argument registers
ld a1, PT_R5(sp)
@@ -142,19 +143,9 @@ trace_a_syscall:
ld a5, PT_R9(sp)
ld a6, PT_R10(sp)
ld a7, PT_R11(sp) # For indirect syscalls
- jalr t0
+ j syscall_common
- li t0, -EMAXERRNO - 1 # error?
- sltu t0, t0, v0
- sd t0, PT_R7(sp) # set error flag
- beqz t0, 1f
-
- ld t1, PT_R2(sp) # syscall number
- dnegu v0 # error
- sd t1, PT_R0(sp) # save it for syscall restarting
-1: sd v0, PT_R2(sp) # result
-
-2: j syscall_exit
+1: j syscall_exit
/* ------------------------------------------------------------------------ */
@@ -584,4 +575,6 @@ EXPORT(sys32_call_table)
PTR sys_memfd_create
PTR sys_bpf /* 4355 */
PTR compat_sys_execveat
+ PTR sys_userfaultfd
+ PTR sys_membarrier
.size sys32_call_table,.-sys32_call_table
diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c
index a914dc1cb6d1..d8117be729a2 100644
--- a/arch/mips/mm/dma-default.c
+++ b/arch/mips/mm/dma-default.c
@@ -100,7 +100,7 @@ static gfp_t massage_gfp_flags(const struct device *dev, gfp_t gfp)
else
#endif
#if defined(CONFIG_ZONE_DMA) && !defined(CONFIG_ZONE_DMA32)
- if (dev->coherent_dma_mask < DMA_BIT_MASK(64))
+ if (dev->coherent_dma_mask < DMA_BIT_MASK(sizeof(phys_addr_t) * 8))
dma_flag = __GFP_DMA;
else
#endif
diff --git a/arch/mips/net/bpf_jit_asm.S b/arch/mips/net/bpf_jit_asm.S
index dabf4179cd7e..5d2e0c8d29c0 100644
--- a/arch/mips/net/bpf_jit_asm.S
+++ b/arch/mips/net/bpf_jit_asm.S
@@ -57,12 +57,13 @@
LEAF(sk_load_word)
is_offset_negative(word)
- .globl sk_load_word_positive
-sk_load_word_positive:
+FEXPORT(sk_load_word_positive)
is_offset_in_header(4, word)
/* Offset within header boundaries */
PTR_ADDU t1, $r_skb_data, offset
+ .set reorder
lw $r_A, 0(t1)
+ .set noreorder
#ifdef CONFIG_CPU_LITTLE_ENDIAN
# if defined(__mips_isa_rev) && (__mips_isa_rev >= 2)
wsbh t0, $r_A
@@ -85,12 +86,13 @@ sk_load_word_positive:
LEAF(sk_load_half)
is_offset_negative(half)
- .globl sk_load_half_positive
-sk_load_half_positive:
+FEXPORT(sk_load_half_positive)
is_offset_in_header(2, half)
/* Offset within header boundaries */
PTR_ADDU t1, $r_skb_data, offset
+ .set reorder
lh $r_A, 0(t1)
+ .set noreorder
#ifdef CONFIG_CPU_LITTLE_ENDIAN
# if defined(__mips_isa_rev) && (__mips_isa_rev >= 2)
wsbh t0, $r_A
@@ -109,8 +111,7 @@ sk_load_half_positive:
LEAF(sk_load_byte)
is_offset_negative(byte)
- .globl sk_load_byte_positive
-sk_load_byte_positive:
+FEXPORT(sk_load_byte_positive)
is_offset_in_header(1, byte)
/* Offset within header boundaries */
PTR_ADDU t1, $r_skb_data, offset
diff --git a/arch/mn10300/include/asm/Kbuild b/arch/mn10300/include/asm/Kbuild
index 6edb9ee6128e..1c8dd0f5cd5d 100644
--- a/arch/mn10300/include/asm/Kbuild
+++ b/arch/mn10300/include/asm/Kbuild
@@ -9,3 +9,4 @@ generic-y += mm-arch-hooks.h
generic-y += preempt.h
generic-y += sections.h
generic-y += trace_clock.h
+generic-y += word-at-a-time.h
diff --git a/arch/nios2/include/asm/Kbuild b/arch/nios2/include/asm/Kbuild
index 914864eb5a25..d63330e88379 100644
--- a/arch/nios2/include/asm/Kbuild
+++ b/arch/nios2/include/asm/Kbuild
@@ -61,4 +61,5 @@ generic-y += types.h
generic-y += unaligned.h
generic-y += user.h
generic-y += vga.h
+generic-y += word-at-a-time.h
generic-y += xor.h
diff --git a/arch/powerpc/configs/ppc64_defconfig b/arch/powerpc/configs/ppc64_defconfig
index 6bc0ee4b1070..2c041b535a64 100644
--- a/arch/powerpc/configs/ppc64_defconfig
+++ b/arch/powerpc/configs/ppc64_defconfig
@@ -111,7 +111,7 @@ CONFIG_SCSI_QLA_FC=m
CONFIG_SCSI_QLA_ISCSI=m
CONFIG_SCSI_LPFC=m
CONFIG_SCSI_VIRTIO=m
-CONFIG_SCSI_DH=m
+CONFIG_SCSI_DH=y
CONFIG_SCSI_DH_RDAC=m
CONFIG_SCSI_DH_ALUA=m
CONFIG_ATA=y
diff --git a/arch/powerpc/configs/pseries_defconfig b/arch/powerpc/configs/pseries_defconfig
index 7991f37e5fe2..36871a4bfa54 100644
--- a/arch/powerpc/configs/pseries_defconfig
+++ b/arch/powerpc/configs/pseries_defconfig
@@ -114,7 +114,7 @@ CONFIG_SCSI_QLA_FC=m
CONFIG_SCSI_QLA_ISCSI=m
CONFIG_SCSI_LPFC=m
CONFIG_SCSI_VIRTIO=m
-CONFIG_SCSI_DH=m
+CONFIG_SCSI_DH=y
CONFIG_SCSI_DH_RDAC=m
CONFIG_SCSI_DH_ALUA=m
CONFIG_ATA=y
diff --git a/arch/powerpc/include/asm/machdep.h b/arch/powerpc/include/asm/machdep.h
index cab6753f1be5..3f191f573d4f 100644
--- a/arch/powerpc/include/asm/machdep.h
+++ b/arch/powerpc/include/asm/machdep.h
@@ -61,8 +61,13 @@ struct machdep_calls {
unsigned long addr,
unsigned char *hpte_slot_array,
int psize, int ssize, int local);
- /* special for kexec, to be called in real mode, linear mapping is
- * destroyed as well */
+ /*
+ * Special for kexec.
+ * To be called in real mode with interrupts disabled. No locks are
+ * taken as such, concurrent access on pre POWER5 hardware could result
+ * in a deadlock.
+ * The linear mapping is destroyed as well.
+ */
void (*hpte_clear_all)(void);
void __iomem * (*ioremap)(phys_addr_t addr, unsigned long size,
diff --git a/arch/powerpc/include/asm/word-at-a-time.h b/arch/powerpc/include/asm/word-at-a-time.h
index 5b3a903adae6..e4396a7d0f7c 100644
--- a/arch/powerpc/include/asm/word-at-a-time.h
+++ b/arch/powerpc/include/asm/word-at-a-time.h
@@ -40,6 +40,11 @@ static inline bool has_zero(unsigned long val, unsigned long *data, const struct
return (val + c->high_bits) & ~rhs;
}
+static inline unsigned long zero_bytemask(unsigned long mask)
+{
+ return ~1ul << __fls(mask);
+}
+
#else
#ifdef CONFIG_64BIT
diff --git a/arch/powerpc/mm/hash_native_64.c b/arch/powerpc/mm/hash_native_64.c
index 13befa35d8a8..c8822af10a58 100644
--- a/arch/powerpc/mm/hash_native_64.c
+++ b/arch/powerpc/mm/hash_native_64.c
@@ -582,13 +582,21 @@ static void hpte_decode(struct hash_pte *hpte, unsigned long slot,
* be when they isi), and we are the only one left. We rely on our kernel
* mapping being 0xC0's and the hardware ignoring those two real bits.
*
+ * This must be called with interrupts disabled.
+ *
+ * Taking the native_tlbie_lock is unsafe here due to the possibility of
+ * lockdep being on. On pre POWER5 hardware, not taking the lock could
+ * cause deadlock. POWER5 and newer not taking the lock is fine. This only
+ * gets called during boot before secondary CPUs have come up and during
+ * crashdump and all bets are off anyway.
+ *
* TODO: add batching support when enabled. remember, no dynamic memory here,
* athough there is the control page available...
*/
static void native_hpte_clear(void)
{
unsigned long vpn = 0;
- unsigned long slot, slots, flags;
+ unsigned long slot, slots;
struct hash_pte *hptep = htab_address;
unsigned long hpte_v;
unsigned long pteg_count;
@@ -596,13 +604,6 @@ static void native_hpte_clear(void)
pteg_count = htab_hash_mask + 1;
- local_irq_save(flags);
-
- /* we take the tlbie lock and hold it. Some hardware will
- * deadlock if we try to tlbie from two processors at once.
- */
- raw_spin_lock(&native_tlbie_lock);
-
slots = pteg_count * HPTES_PER_GROUP;
for (slot = 0; slot < slots; slot++, hptep++) {
@@ -614,8 +615,8 @@ static void native_hpte_clear(void)
hpte_v = be64_to_cpu(hptep->v);
/*
- * Call __tlbie() here rather than tlbie() since we
- * already hold the native_tlbie_lock.
+ * Call __tlbie() here rather than tlbie() since we can't take the
+ * native_tlbie_lock.
*/
if (hpte_v & HPTE_V_VALID) {
hpte_decode(hptep, slot, &psize, &apsize, &ssize, &vpn);
@@ -625,8 +626,6 @@ static void native_hpte_clear(void)
}
asm volatile("eieio; tlbsync; ptesync":::"memory");
- raw_spin_unlock(&native_tlbie_lock);
- local_irq_restore(flags);
}
/*
diff --git a/arch/powerpc/platforms/powernv/opal.c b/arch/powerpc/platforms/powernv/opal.c
index 230f3a7cdea4..4296d55e88f3 100644
--- a/arch/powerpc/platforms/powernv/opal.c
+++ b/arch/powerpc/platforms/powernv/opal.c
@@ -487,9 +487,12 @@ int opal_machine_check(struct pt_regs *regs)
* PRD component would have already got notified about this
* error through other channels.
*
- * In any case, let us just fall through. We anyway heading
- * down to panic path.
+ * If hardware marked this as an unrecoverable MCE, we are
+ * going to panic anyway. Even if it didn't, it's not safe to
+ * continue at this point, so we should explicitly panic.
*/
+
+ panic("PowerNV Unrecovered Machine Check");
return 0;
}
diff --git a/arch/powerpc/platforms/ps3/os-area.c b/arch/powerpc/platforms/ps3/os-area.c
index 09787139834d..3db53e8aff92 100644
--- a/arch/powerpc/platforms/ps3/os-area.c
+++ b/arch/powerpc/platforms/ps3/os-area.c
@@ -194,11 +194,6 @@ static const struct os_area_db_id os_area_db_id_rtc_diff = {
.key = OS_AREA_DB_KEY_RTC_DIFF
};
-static const struct os_area_db_id os_area_db_id_video_mode = {
- .owner = OS_AREA_DB_OWNER_LINUX,
- .key = OS_AREA_DB_KEY_VIDEO_MODE
-};
-
#define SECONDS_FROM_1970_TO_2000 946684800LL
/**
diff --git a/arch/s390/boot/compressed/Makefile b/arch/s390/boot/compressed/Makefile
index d4788111c161..fac6ac9790fa 100644
--- a/arch/s390/boot/compressed/Makefile
+++ b/arch/s390/boot/compressed/Makefile
@@ -10,7 +10,7 @@ targets += misc.o piggy.o sizes.h head.o
KBUILD_CFLAGS := -m64 -D__KERNEL__ $(LINUX_INCLUDE) -O2
KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING
-KBUILD_CFLAGS += $(cflags-y) -fno-delete-null-pointer-checks
+KBUILD_CFLAGS += $(cflags-y) -fno-delete-null-pointer-checks -msoft-float
KBUILD_CFLAGS += $(call cc-option,-mpacked-stack)
KBUILD_CFLAGS += $(call cc-option,-ffreestanding)
diff --git a/arch/s390/configs/default_defconfig b/arch/s390/configs/default_defconfig
index 0c98f1508542..ed7da281df66 100644
--- a/arch/s390/configs/default_defconfig
+++ b/arch/s390/configs/default_defconfig
@@ -381,7 +381,7 @@ CONFIG_ISCSI_TCP=m
CONFIG_SCSI_DEBUG=m
CONFIG_ZFCP=y
CONFIG_SCSI_VIRTIO=m
-CONFIG_SCSI_DH=m
+CONFIG_SCSI_DH=y
CONFIG_SCSI_DH_RDAC=m
CONFIG_SCSI_DH_HP_SW=m
CONFIG_SCSI_DH_EMC=m
diff --git a/arch/s390/configs/gcov_defconfig b/arch/s390/configs/gcov_defconfig
index 82083e1fbdc4..9858b14cde1e 100644
--- a/arch/s390/configs/gcov_defconfig
+++ b/arch/s390/configs/gcov_defconfig
@@ -377,7 +377,7 @@ CONFIG_ISCSI_TCP=m
CONFIG_SCSI_DEBUG=m
CONFIG_ZFCP=y
CONFIG_SCSI_VIRTIO=m
-CONFIG_SCSI_DH=m
+CONFIG_SCSI_DH=y
CONFIG_SCSI_DH_RDAC=m
CONFIG_SCSI_DH_HP_SW=m
CONFIG_SCSI_DH_EMC=m
diff --git a/arch/s390/configs/performance_defconfig b/arch/s390/configs/performance_defconfig
index c05c9e0821e3..7f14f80717d4 100644
--- a/arch/s390/configs/performance_defconfig
+++ b/arch/s390/configs/performance_defconfig
@@ -377,7 +377,7 @@ CONFIG_ISCSI_TCP=m
CONFIG_SCSI_DEBUG=m
CONFIG_ZFCP=y
CONFIG_SCSI_VIRTIO=m
-CONFIG_SCSI_DH=m
+CONFIG_SCSI_DH=y
CONFIG_SCSI_DH_RDAC=m
CONFIG_SCSI_DH_HP_SW=m
CONFIG_SCSI_DH_EMC=m
diff --git a/arch/s390/include/asm/Kbuild b/arch/s390/include/asm/Kbuild
index 5ad26dd94d77..9043d2e1e2ae 100644
--- a/arch/s390/include/asm/Kbuild
+++ b/arch/s390/include/asm/Kbuild
@@ -6,3 +6,4 @@ generic-y += mcs_spinlock.h
generic-y += mm-arch-hooks.h
generic-y += preempt.h
generic-y += trace_clock.h
+generic-y += word-at-a-time.h
diff --git a/arch/s390/include/asm/numa.h b/arch/s390/include/asm/numa.h
index 2a0efc63b9e5..dc19ee0c92aa 100644
--- a/arch/s390/include/asm/numa.h
+++ b/arch/s390/include/asm/numa.h
@@ -19,7 +19,7 @@ int numa_pfn_to_nid(unsigned long pfn);
int __node_distance(int a, int b);
void numa_update_cpu_topology(void);
-extern cpumask_var_t node_to_cpumask_map[MAX_NUMNODES];
+extern cpumask_t node_to_cpumask_map[MAX_NUMNODES];
extern int numa_debug_enabled;
#else
diff --git a/arch/s390/include/asm/topology.h b/arch/s390/include/asm/topology.h
index 27ebde643933..94fc55fc72ce 100644
--- a/arch/s390/include/asm/topology.h
+++ b/arch/s390/include/asm/topology.h
@@ -68,7 +68,7 @@ static inline int cpu_to_node(int cpu)
#define cpumask_of_node cpumask_of_node
static inline const struct cpumask *cpumask_of_node(int node)
{
- return node_to_cpumask_map[node];
+ return &node_to_cpumask_map[node];
}
/*
diff --git a/arch/s390/kernel/asm-offsets.c b/arch/s390/kernel/asm-offsets.c
index 48c9af7a7683..3aeeb1b562c0 100644
--- a/arch/s390/kernel/asm-offsets.c
+++ b/arch/s390/kernel/asm-offsets.c
@@ -176,6 +176,7 @@ int main(void)
DEFINE(__LC_PASTE, offsetof(struct _lowcore, paste));
DEFINE(__LC_FP_CREG_SAVE_AREA, offsetof(struct _lowcore, fpt_creg_save_area));
DEFINE(__LC_LAST_BREAK, offsetof(struct _lowcore, breaking_event_addr));
+ DEFINE(__LC_PERCPU_OFFSET, offsetof(struct _lowcore, percpu_offset));
DEFINE(__LC_VDSO_PER_CPU, offsetof(struct _lowcore, vdso_per_cpu_data));
DEFINE(__LC_GMAP, offsetof(struct _lowcore, gmap));
DEFINE(__LC_PGM_TDB, offsetof(struct _lowcore, pgm_tdb));
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S
index 09b039d7983d..582fe44ab07c 100644
--- a/arch/s390/kernel/entry.S
+++ b/arch/s390/kernel/entry.S
@@ -733,6 +733,14 @@ ENTRY(psw_idle)
stg %r3,__SF_EMPTY(%r15)
larl %r1,.Lpsw_idle_lpsw+4
stg %r1,__SF_EMPTY+8(%r15)
+#ifdef CONFIG_SMP
+ larl %r1,smp_cpu_mtid
+ llgf %r1,0(%r1)
+ ltgr %r1,%r1
+ jz .Lpsw_idle_stcctm
+ .insn rsy,0xeb0000000017,%r1,5,__SF_EMPTY+16(%r15)
+.Lpsw_idle_stcctm:
+#endif
STCK __CLOCK_IDLE_ENTER(%r2)
stpt __TIMER_IDLE_ENTER(%r2)
.Lpsw_idle_lpsw:
@@ -1159,7 +1167,27 @@ cleanup_critical:
jhe 1f
mvc __CLOCK_IDLE_ENTER(8,%r2),__CLOCK_IDLE_EXIT(%r2)
mvc __TIMER_IDLE_ENTER(8,%r2),__TIMER_IDLE_EXIT(%r2)
-1: # account system time going idle
+1: # calculate idle cycles
+#ifdef CONFIG_SMP
+ clg %r9,BASED(.Lcleanup_idle_insn)
+ jl 3f
+ larl %r1,smp_cpu_mtid
+ llgf %r1,0(%r1)
+ ltgr %r1,%r1
+ jz 3f
+ .insn rsy,0xeb0000000017,%r1,5,__SF_EMPTY+80(%r15)
+ larl %r3,mt_cycles
+ ag %r3,__LC_PERCPU_OFFSET
+ la %r4,__SF_EMPTY+16(%r15)
+2: lg %r0,0(%r3)
+ slg %r0,0(%r4)
+ alg %r0,64(%r4)
+ stg %r0,0(%r3)
+ la %r3,8(%r3)
+ la %r4,8(%r4)
+ brct %r1,2b
+#endif
+3: # account system time going idle
lg %r9,__LC_STEAL_TIMER
alg %r9,__CLOCK_IDLE_ENTER(%r2)
slg %r9,__LC_LAST_UPDATE_CLOCK
diff --git a/arch/s390/kernel/vtime.c b/arch/s390/kernel/vtime.c
index c8653435c70d..dafc44f519c3 100644
--- a/arch/s390/kernel/vtime.c
+++ b/arch/s390/kernel/vtime.c
@@ -25,7 +25,7 @@ static DEFINE_SPINLOCK(virt_timer_lock);
static atomic64_t virt_timer_current;
static atomic64_t virt_timer_elapsed;
-static DEFINE_PER_CPU(u64, mt_cycles[32]);
+DEFINE_PER_CPU(u64, mt_cycles[8]);
static DEFINE_PER_CPU(u64, mt_scaling_mult) = { 1 };
static DEFINE_PER_CPU(u64, mt_scaling_div) = { 1 };
static DEFINE_PER_CPU(u64, mt_scaling_jiffies);
@@ -60,6 +60,34 @@ static inline int virt_timer_forward(u64 elapsed)
return elapsed >= atomic64_read(&virt_timer_current);
}
+static void update_mt_scaling(void)
+{
+ u64 cycles_new[8], *cycles_old;
+ u64 delta, fac, mult, div;
+ int i;
+
+ stcctm5(smp_cpu_mtid + 1, cycles_new);
+ cycles_old = this_cpu_ptr(mt_cycles);
+ fac = 1;
+ mult = div = 0;
+ for (i = 0; i <= smp_cpu_mtid; i++) {
+ delta = cycles_new[i] - cycles_old[i];
+ div += delta;
+ mult *= i + 1;
+ mult += delta * fac;
+ fac *= i + 1;
+ }
+ div *= fac;
+ if (div > 0) {
+ /* Update scaling factor */
+ __this_cpu_write(mt_scaling_mult, mult);
+ __this_cpu_write(mt_scaling_div, div);
+ memcpy(cycles_old, cycles_new,
+ sizeof(u64) * (smp_cpu_mtid + 1));
+ }
+ __this_cpu_write(mt_scaling_jiffies, jiffies_64);
+}
+
/*
* Update process times based on virtual cpu times stored by entry.S
* to the lowcore fields user_timer, system_timer & steal_clock.
@@ -69,7 +97,6 @@ static int do_account_vtime(struct task_struct *tsk, int hardirq_offset)
struct thread_info *ti = task_thread_info(tsk);
u64 timer, clock, user, system, steal;
u64 user_scaled, system_scaled;
- int i;
timer = S390_lowcore.last_update_timer;
clock = S390_lowcore.last_update_clock;
@@ -85,34 +112,10 @@ static int do_account_vtime(struct task_struct *tsk, int hardirq_offset)
S390_lowcore.system_timer += timer - S390_lowcore.last_update_timer;
S390_lowcore.steal_timer += S390_lowcore.last_update_clock - clock;
- /* Do MT utilization calculation */
+ /* Update MT utilization calculation */
if (smp_cpu_mtid &&
- time_after64(jiffies_64, __this_cpu_read(mt_scaling_jiffies))) {
- u64 cycles_new[32], *cycles_old;
- u64 delta, fac, mult, div;
-
- cycles_old = this_cpu_ptr(mt_cycles);
- if (stcctm5(smp_cpu_mtid + 1, cycles_new) < 2) {
- fac = 1;
- mult = div = 0;
- for (i = 0; i <= smp_cpu_mtid; i++) {
- delta = cycles_new[i] - cycles_old[i];
- div += delta;
- mult *= i + 1;
- mult += delta * fac;
- fac *= i + 1;
- }
- div *= fac;
- if (div > 0) {
- /* Update scaling factor */
- __this_cpu_write(mt_scaling_mult, mult);
- __this_cpu_write(mt_scaling_div, div);
- memcpy(cycles_old, cycles_new,
- sizeof(u64) * (smp_cpu_mtid + 1));
- }
- }
- __this_cpu_write(mt_scaling_jiffies, jiffies_64);
- }
+ time_after64(jiffies_64, this_cpu_read(mt_scaling_jiffies)))
+ update_mt_scaling();
user = S390_lowcore.user_timer - ti->user_timer;
S390_lowcore.steal_timer -= user;
@@ -181,6 +184,11 @@ void vtime_account_irq_enter(struct task_struct *tsk)
S390_lowcore.last_update_timer = get_vtimer();
S390_lowcore.system_timer += timer - S390_lowcore.last_update_timer;
+ /* Update MT utilization calculation */
+ if (smp_cpu_mtid &&
+ time_after64(jiffies_64, this_cpu_read(mt_scaling_jiffies)))
+ update_mt_scaling();
+
system = S390_lowcore.system_timer - ti->system_timer;
S390_lowcore.steal_timer -= system;
ti->system_timer = S390_lowcore.system_timer;
diff --git a/arch/s390/numa/mode_emu.c b/arch/s390/numa/mode_emu.c
index 7de4e2f780d7..30b2698a28e2 100644
--- a/arch/s390/numa/mode_emu.c
+++ b/arch/s390/numa/mode_emu.c
@@ -368,7 +368,7 @@ static void topology_add_core(struct toptree *core)
cpumask_copy(&top->thread_mask, &core->mask);
cpumask_copy(&top->core_mask, &core_mc(core)->mask);
cpumask_copy(&top->book_mask, &core_book(core)->mask);
- cpumask_set_cpu(cpu, node_to_cpumask_map[core_node(core)->id]);
+ cpumask_set_cpu(cpu, &node_to_cpumask_map[core_node(core)->id]);
top->node_id = core_node(core)->id;
}
}
@@ -383,7 +383,7 @@ static void toptree_to_topology(struct toptree *numa)
/* Clear all node masks */
for (i = 0; i < MAX_NUMNODES; i++)
- cpumask_clear(node_to_cpumask_map[i]);
+ cpumask_clear(&node_to_cpumask_map[i]);
/* Rebuild all masks */
toptree_for_each(core, numa, CORE)
diff --git a/arch/s390/numa/numa.c b/arch/s390/numa/numa.c
index 09b1d2355bd9..43f32ce60aa3 100644
--- a/arch/s390/numa/numa.c
+++ b/arch/s390/numa/numa.c
@@ -23,7 +23,7 @@
pg_data_t *node_data[MAX_NUMNODES];
EXPORT_SYMBOL(node_data);
-cpumask_var_t node_to_cpumask_map[MAX_NUMNODES];
+cpumask_t node_to_cpumask_map[MAX_NUMNODES];
EXPORT_SYMBOL(node_to_cpumask_map);
const struct numa_mode numa_mode_plain = {
@@ -144,7 +144,7 @@ void __init numa_setup(void)
static int __init numa_init_early(void)
{
/* Attach all possible CPUs to node 0 for now. */
- cpumask_copy(node_to_cpumask_map[0], cpu_possible_mask);
+ cpumask_copy(&node_to_cpumask_map[0], cpu_possible_mask);
return 0;
}
early_initcall(numa_init_early);
diff --git a/arch/score/include/asm/Kbuild b/arch/score/include/asm/Kbuild
index 92ffe397b893..a05218ff3fe4 100644
--- a/arch/score/include/asm/Kbuild
+++ b/arch/score/include/asm/Kbuild
@@ -13,3 +13,4 @@ generic-y += sections.h
generic-y += trace_clock.h
generic-y += xor.h
generic-y += serial.h
+generic-y += word-at-a-time.h
diff --git a/arch/sh/include/asm/page.h b/arch/sh/include/asm/page.h
index fe20d14ae051..ceb5201a30ed 100644
--- a/arch/sh/include/asm/page.h
+++ b/arch/sh/include/asm/page.h
@@ -59,6 +59,7 @@ pages_do_alias(unsigned long addr1, unsigned long addr2)
#define clear_page(page) memset((void *)(page), 0, PAGE_SIZE)
extern void copy_page(void *to, void *from);
+#define copy_user_page(to, from, vaddr, pg) __copy_user(to, from, PAGE_SIZE)
struct page;
struct vm_area_struct;
diff --git a/arch/sparc/crypto/aes_glue.c b/arch/sparc/crypto/aes_glue.c
index 2e48eb8813ff..c90930de76ba 100644
--- a/arch/sparc/crypto/aes_glue.c
+++ b/arch/sparc/crypto/aes_glue.c
@@ -433,6 +433,7 @@ static struct crypto_alg algs[] = { {
.blkcipher = {
.min_keysize = AES_MIN_KEY_SIZE,
.max_keysize = AES_MAX_KEY_SIZE,
+ .ivsize = AES_BLOCK_SIZE,
.setkey = aes_set_key,
.encrypt = cbc_encrypt,
.decrypt = cbc_decrypt,
@@ -452,6 +453,7 @@ static struct crypto_alg algs[] = { {
.blkcipher = {
.min_keysize = AES_MIN_KEY_SIZE,
.max_keysize = AES_MAX_KEY_SIZE,
+ .ivsize = AES_BLOCK_SIZE,
.setkey = aes_set_key,
.encrypt = ctr_crypt,
.decrypt = ctr_crypt,
diff --git a/arch/sparc/crypto/camellia_glue.c b/arch/sparc/crypto/camellia_glue.c
index 6bf2479a12fb..561a84d93cf6 100644
--- a/arch/sparc/crypto/camellia_glue.c
+++ b/arch/sparc/crypto/camellia_glue.c
@@ -274,6 +274,7 @@ static struct crypto_alg algs[] = { {
.blkcipher = {
.min_keysize = CAMELLIA_MIN_KEY_SIZE,
.max_keysize = CAMELLIA_MAX_KEY_SIZE,
+ .ivsize = CAMELLIA_BLOCK_SIZE,
.setkey = camellia_set_key,
.encrypt = cbc_encrypt,
.decrypt = cbc_decrypt,
diff --git a/arch/sparc/crypto/des_glue.c b/arch/sparc/crypto/des_glue.c
index dd6a34fa6e19..61af794aa2d3 100644
--- a/arch/sparc/crypto/des_glue.c
+++ b/arch/sparc/crypto/des_glue.c
@@ -429,6 +429,7 @@ static struct crypto_alg algs[] = { {
.blkcipher = {
.min_keysize = DES_KEY_SIZE,
.max_keysize = DES_KEY_SIZE,
+ .ivsize = DES_BLOCK_SIZE,
.setkey = des_set_key,
.encrypt = cbc_encrypt,
.decrypt = cbc_decrypt,
@@ -485,6 +486,7 @@ static struct crypto_alg algs[] = { {
.blkcipher = {
.min_keysize = DES3_EDE_KEY_SIZE,
.max_keysize = DES3_EDE_KEY_SIZE,
+ .ivsize = DES3_EDE_BLOCK_SIZE,
.setkey = des3_ede_set_key,
.encrypt = cbc3_encrypt,
.decrypt = cbc3_decrypt,
diff --git a/arch/tile/gxio/mpipe.c b/arch/tile/gxio/mpipe.c
index ee186e13dfe6..f102048d9c0e 100644
--- a/arch/tile/gxio/mpipe.c
+++ b/arch/tile/gxio/mpipe.c
@@ -19,6 +19,7 @@
#include <linux/errno.h>
#include <linux/io.h>
#include <linux/module.h>
+#include <linux/string.h>
#include <gxio/iorpc_globals.h>
#include <gxio/iorpc_mpipe.h>
@@ -29,32 +30,6 @@
/* HACK: Avoid pointless "shadow" warnings. */
#define link link_shadow
-/**
- * strscpy - Copy a C-string into a sized buffer, but only if it fits
- * @dest: Where to copy the string to
- * @src: Where to copy the string from
- * @size: size of destination buffer
- *
- * Use this routine to avoid copying too-long strings.
- * The routine returns the total number of bytes copied
- * (including the trailing NUL) or zero if the buffer wasn't
- * big enough. To ensure that programmers pay attention
- * to the return code, the destination has a single NUL
- * written at the front (if size is non-zero) when the
- * buffer is not big enough.
- */
-static size_t strscpy(char *dest, const char *src, size_t size)
-{
- size_t len = strnlen(src, size) + 1;
- if (len > size) {
- if (size)
- dest[0] = '\0';
- return 0;
- }
- memcpy(dest, src, len);
- return len;
-}
-
int gxio_mpipe_init(gxio_mpipe_context_t *context, unsigned int mpipe_index)
{
char file[32];
@@ -540,7 +515,7 @@ int gxio_mpipe_link_instance(const char *link_name)
if (!context)
return GXIO_ERR_NO_DEVICE;
- if (strscpy(name.name, link_name, sizeof(name.name)) == 0)
+ if (strscpy(name.name, link_name, sizeof(name.name)) < 0)
return GXIO_ERR_NO_DEVICE;
return gxio_mpipe_info_instance_aux(context, name);
@@ -559,7 +534,7 @@ int gxio_mpipe_link_enumerate_mac(int idx, char *link_name, uint8_t *link_mac)
rv = gxio_mpipe_info_enumerate_aux(context, idx, &name, &mac);
if (rv >= 0) {
- if (strscpy(link_name, name.name, sizeof(name.name)) == 0)
+ if (strscpy(link_name, name.name, sizeof(name.name)) < 0)
return GXIO_ERR_INVAL_MEMORY_SIZE;
memcpy(link_mac, mac.mac, sizeof(mac.mac));
}
@@ -576,7 +551,7 @@ int gxio_mpipe_link_open(gxio_mpipe_link_t *link,
_gxio_mpipe_link_name_t name;
int rv;
- if (strscpy(name.name, link_name, sizeof(name.name)) == 0)
+ if (strscpy(name.name, link_name, sizeof(name.name)) < 0)
return GXIO_ERR_NO_DEVICE;
rv = gxio_mpipe_link_open_aux(context, name, flags);
diff --git a/arch/tile/include/asm/word-at-a-time.h b/arch/tile/include/asm/word-at-a-time.h
index 9e5ce0d7b292..b66a693c2c34 100644
--- a/arch/tile/include/asm/word-at-a-time.h
+++ b/arch/tile/include/asm/word-at-a-time.h
@@ -6,7 +6,7 @@
struct word_at_a_time { /* unused */ };
#define WORD_AT_A_TIME_CONSTANTS {}
-/* Generate 0x01 byte values for non-zero bytes using a SIMD instruction. */
+/* Generate 0x01 byte values for zero bytes using a SIMD instruction. */
static inline unsigned long has_zero(unsigned long val, unsigned long *data,
const struct word_at_a_time *c)
{
@@ -33,4 +33,10 @@ static inline long find_zero(unsigned long mask)
#endif
}
+#ifdef __BIG_ENDIAN
+#define zero_bytemask(mask) (~1ul << (63 - __builtin_clzl(mask)))
+#else
+#define zero_bytemask(mask) ((2ul << __builtin_ctzl(mask)) - 1)
+#endif
+
#endif /* _ASM_WORD_AT_A_TIME_H */
diff --git a/arch/um/include/asm/Kbuild b/arch/um/include/asm/Kbuild
index 149ec55f9c46..904f3ebf4220 100644
--- a/arch/um/include/asm/Kbuild
+++ b/arch/um/include/asm/Kbuild
@@ -25,4 +25,5 @@ generic-y += preempt.h
generic-y += switch_to.h
generic-y += topology.h
generic-y += trace_clock.h
+generic-y += word-at-a-time.h
generic-y += xor.h
diff --git a/arch/unicore32/include/asm/Kbuild b/arch/unicore32/include/asm/Kbuild
index 1fc7a286dc6f..256c45b3ae34 100644
--- a/arch/unicore32/include/asm/Kbuild
+++ b/arch/unicore32/include/asm/Kbuild
@@ -62,4 +62,5 @@ generic-y += ucontext.h
generic-y += unaligned.h
generic-y += user.h
generic-y += vga.h
+generic-y += word-at-a-time.h
generic-y += xor.h
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 328c8352480c..96d058a87100 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1308,6 +1308,7 @@ config HIGHMEM
config X86_PAE
bool "PAE (Physical Address Extension) Support"
depends on X86_32 && !HIGHMEM4G
+ select SWIOTLB
---help---
PAE is required for NX support, and furthermore enables
larger swapspace support for non-overcommit purposes. It
diff --git a/arch/x86/crypto/camellia_aesni_avx_glue.c b/arch/x86/crypto/camellia_aesni_avx_glue.c
index 80a0e4389c9a..bacaa13acac5 100644
--- a/arch/x86/crypto/camellia_aesni_avx_glue.c
+++ b/arch/x86/crypto/camellia_aesni_avx_glue.c
@@ -554,6 +554,11 @@ static int __init camellia_aesni_init(void)
{
const char *feature_name;
+ if (!cpu_has_avx || !cpu_has_aes || !cpu_has_osxsave) {
+ pr_info("AVX or AES-NI instructions are not detected.\n");
+ return -ENODEV;
+ }
+
if (!cpu_has_xfeatures(XSTATE_SSE | XSTATE_YMM, &feature_name)) {
pr_info("CPU feature '%s' is not supported.\n", feature_name);
return -ENODEV;
diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h
index e6cf2ad350d1..9727b3b48bd1 100644
--- a/arch/x86/include/asm/cpufeature.h
+++ b/arch/x86/include/asm/cpufeature.h
@@ -193,7 +193,7 @@
#define X86_FEATURE_HW_PSTATE ( 7*32+ 8) /* AMD HW-PState */
#define X86_FEATURE_PROC_FEEDBACK ( 7*32+ 9) /* AMD ProcFeedbackInterface */
#define X86_FEATURE_HWP ( 7*32+ 10) /* "hwp" Intel HWP */
-#define X86_FEATURE_HWP_NOITFY ( 7*32+ 11) /* Intel HWP_NOTIFY */
+#define X86_FEATURE_HWP_NOTIFY ( 7*32+ 11) /* Intel HWP_NOTIFY */
#define X86_FEATURE_HWP_ACT_WINDOW ( 7*32+ 12) /* Intel HWP_ACT_WINDOW */
#define X86_FEATURE_HWP_EPP ( 7*32+13) /* Intel HWP_EPP */
#define X86_FEATURE_HWP_PKG_REQ ( 7*32+14) /* Intel HWP_PKG_REQ */
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 2beee0382088..3a36ee704c30 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -1226,10 +1226,8 @@ void kvm_complete_insn_gp(struct kvm_vcpu *vcpu, int err);
int kvm_is_in_guest(void);
-int __x86_set_memory_region(struct kvm *kvm,
- const struct kvm_userspace_memory_region *mem);
-int x86_set_memory_region(struct kvm *kvm,
- const struct kvm_userspace_memory_region *mem);
+int __x86_set_memory_region(struct kvm *kvm, int id, gpa_t gpa, u32 size);
+int x86_set_memory_region(struct kvm *kvm, int id, gpa_t gpa, u32 size);
bool kvm_vcpu_is_reset_bsp(struct kvm_vcpu *vcpu);
bool kvm_vcpu_is_bsp(struct kvm_vcpu *vcpu);
diff --git a/arch/x86/include/asm/xen/hypercall.h b/arch/x86/include/asm/xen/hypercall.h
index 83aea8055119..4c20dd333412 100644
--- a/arch/x86/include/asm/xen/hypercall.h
+++ b/arch/x86/include/asm/xen/hypercall.h
@@ -336,10 +336,10 @@ HYPERVISOR_update_descriptor(u64 ma, u64 desc)
return _hypercall4(int, update_descriptor, ma, ma>>32, desc, desc>>32);
}
-static inline int
+static inline long
HYPERVISOR_memory_op(unsigned int cmd, void *arg)
{
- return _hypercall2(int, memory_op, cmd, arg);
+ return _hypercall2(long, memory_op, cmd, arg);
}
static inline int
diff --git a/arch/x86/include/uapi/asm/bitsperlong.h b/arch/x86/include/uapi/asm/bitsperlong.h
index b0ae1c4dc791..217909b4d6f5 100644
--- a/arch/x86/include/uapi/asm/bitsperlong.h
+++ b/arch/x86/include/uapi/asm/bitsperlong.h
@@ -1,7 +1,7 @@
#ifndef __ASM_X86_BITSPERLONG_H
#define __ASM_X86_BITSPERLONG_H
-#ifdef __x86_64__
+#if defined(__x86_64__) && !defined(__ILP32__)
# define __BITS_PER_LONG 64
#else
# define __BITS_PER_LONG 32
diff --git a/arch/x86/kernel/cpu/mshyperv.c b/arch/x86/kernel/cpu/mshyperv.c
index 381c8b9b3a33..20e242ea1bc4 100644
--- a/arch/x86/kernel/cpu/mshyperv.c
+++ b/arch/x86/kernel/cpu/mshyperv.c
@@ -34,11 +34,10 @@
struct ms_hyperv_info ms_hyperv;
EXPORT_SYMBOL_GPL(ms_hyperv);
-static void (*hv_kexec_handler)(void);
-static void (*hv_crash_handler)(struct pt_regs *regs);
-
#if IS_ENABLED(CONFIG_HYPERV)
static void (*vmbus_handler)(void);
+static void (*hv_kexec_handler)(void);
+static void (*hv_crash_handler)(struct pt_regs *regs);
void hyperv_vector_handler(struct pt_regs *regs)
{
@@ -96,8 +95,8 @@ void hv_remove_crash_handler(void)
hv_crash_handler = NULL;
}
EXPORT_SYMBOL_GPL(hv_remove_crash_handler);
-#endif
+#ifdef CONFIG_KEXEC_CORE
static void hv_machine_shutdown(void)
{
if (kexec_in_progress && hv_kexec_handler)
@@ -111,7 +110,8 @@ static void hv_machine_crash_shutdown(struct pt_regs *regs)
hv_crash_handler(regs);
native_machine_crash_shutdown(regs);
}
-
+#endif /* CONFIG_KEXEC_CORE */
+#endif /* CONFIG_HYPERV */
static uint32_t __init ms_hyperv_platform(void)
{
@@ -186,8 +186,10 @@ static void __init ms_hyperv_init_platform(void)
no_timer_check = 1;
#endif
+#if IS_ENABLED(CONFIG_HYPERV) && defined(CONFIG_KEXEC_CORE)
machine_ops.shutdown = hv_machine_shutdown;
machine_ops.crash_shutdown = hv_machine_crash_shutdown;
+#endif
mark_tsc_unstable("running on Hyper-V");
}
diff --git a/arch/x86/kernel/cpu/scattered.c b/arch/x86/kernel/cpu/scattered.c
index 3d423a101fae..608fb26c7254 100644
--- a/arch/x86/kernel/cpu/scattered.c
+++ b/arch/x86/kernel/cpu/scattered.c
@@ -37,7 +37,7 @@ void init_scattered_cpuid_features(struct cpuinfo_x86 *c)
{ X86_FEATURE_PLN, CR_EAX, 4, 0x00000006, 0 },
{ X86_FEATURE_PTS, CR_EAX, 6, 0x00000006, 0 },
{ X86_FEATURE_HWP, CR_EAX, 7, 0x00000006, 0 },
- { X86_FEATURE_HWP_NOITFY, CR_EAX, 8, 0x00000006, 0 },
+ { X86_FEATURE_HWP_NOTIFY, CR_EAX, 8, 0x00000006, 0 },
{ X86_FEATURE_HWP_ACT_WINDOW, CR_EAX, 9, 0x00000006, 0 },
{ X86_FEATURE_HWP_EPP, CR_EAX,10, 0x00000006, 0 },
{ X86_FEATURE_HWP_PKG_REQ, CR_EAX,11, 0x00000006, 0 },
diff --git a/arch/x86/kernel/crash.c b/arch/x86/kernel/crash.c
index e068d6683dba..74ca2fe7a0b3 100644
--- a/arch/x86/kernel/crash.c
+++ b/arch/x86/kernel/crash.c
@@ -185,10 +185,9 @@ void native_machine_crash_shutdown(struct pt_regs *regs)
}
#ifdef CONFIG_KEXEC_FILE
-static int get_nr_ram_ranges_callback(unsigned long start_pfn,
- unsigned long nr_pfn, void *arg)
+static int get_nr_ram_ranges_callback(u64 start, u64 end, void *arg)
{
- int *nr_ranges = arg;
+ unsigned int *nr_ranges = arg;
(*nr_ranges)++;
return 0;
@@ -214,7 +213,7 @@ static void fill_up_crash_elf_data(struct crash_elf_data *ced,
ced->image = image;
- walk_system_ram_range(0, -1, &nr_ranges,
+ walk_system_ram_res(0, -1, &nr_ranges,
get_nr_ram_ranges_callback);
ced->max_nr_ranges = nr_ranges;
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index 6d0e62ae8516..39e585a554b7 100644
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -506,3 +506,58 @@ unsigned long arch_randomize_brk(struct mm_struct *mm)
return randomize_range(mm->brk, range_end, 0) ? : mm->brk;
}
+/*
+ * Called from fs/proc with a reference on @p to find the function
+ * which called into schedule(). This needs to be done carefully
+ * because the task might wake up and we might look at a stack
+ * changing under us.
+ */
+unsigned long get_wchan(struct task_struct *p)
+{
+ unsigned long start, bottom, top, sp, fp, ip;
+ int count = 0;
+
+ if (!p || p == current || p->state == TASK_RUNNING)
+ return 0;
+
+ start = (unsigned long)task_stack_page(p);
+ if (!start)
+ return 0;
+
+ /*
+ * Layout of the stack page:
+ *
+ * ----------- topmax = start + THREAD_SIZE - sizeof(unsigned long)
+ * PADDING
+ * ----------- top = topmax - TOP_OF_KERNEL_STACK_PADDING
+ * stack
+ * ----------- bottom = start + sizeof(thread_info)
+ * thread_info
+ * ----------- start
+ *
+ * The tasks stack pointer points at the location where the
+ * framepointer is stored. The data on the stack is:
+ * ... IP FP ... IP FP
+ *
+ * We need to read FP and IP, so we need to adjust the upper
+ * bound by another unsigned long.
+ */
+ top = start + THREAD_SIZE - TOP_OF_KERNEL_STACK_PADDING;
+ top -= 2 * sizeof(unsigned long);
+ bottom = start + sizeof(struct thread_info);
+
+ sp = READ_ONCE(p->thread.sp);
+ if (sp < bottom || sp > top)
+ return 0;
+
+ fp = READ_ONCE(*(unsigned long *)sp);
+ do {
+ if (fp < bottom || fp > top)
+ return 0;
+ ip = READ_ONCE(*(unsigned long *)(fp + sizeof(unsigned long)));
+ if (!in_sched_functions(ip))
+ return ip;
+ fp = READ_ONCE(*(unsigned long *)fp);
+ } while (count++ < 16 && p->state != TASK_RUNNING);
+ return 0;
+}
diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c
index c13df2c735f8..737527b40e5b 100644
--- a/arch/x86/kernel/process_32.c
+++ b/arch/x86/kernel/process_32.c
@@ -324,31 +324,3 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
return prev_p;
}
-
-#define top_esp (THREAD_SIZE - sizeof(unsigned long))
-#define top_ebp (THREAD_SIZE - 2*sizeof(unsigned long))
-
-unsigned long get_wchan(struct task_struct *p)
-{
- unsigned long bp, sp, ip;
- unsigned long stack_page;
- int count = 0;
- if (!p || p == current || p->state == TASK_RUNNING)
- return 0;
- stack_page = (unsigned long)task_stack_page(p);
- sp = p->thread.sp;
- if (!stack_page || sp < stack_page || sp > top_esp+stack_page)
- return 0;
- /* include/asm-i386/system.h:switch_to() pushes bp last. */
- bp = *(unsigned long *) sp;
- do {
- if (bp < stack_page || bp > top_ebp+stack_page)
- return 0;
- ip = *(unsigned long *) (bp+4);
- if (!in_sched_functions(ip))
- return ip;
- bp = *(unsigned long *) bp;
- } while (count++ < 16);
- return 0;
-}
-
diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index 3c1bbcf12924..b35921a670b2 100644
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -499,30 +499,6 @@ void set_personality_ia32(bool x32)
}
EXPORT_SYMBOL_GPL(set_personality_ia32);
-unsigned long get_wchan(struct task_struct *p)
-{
- unsigned long stack;
- u64 fp, ip;
- int count = 0;
-
- if (!p || p == current || p->state == TASK_RUNNING)
- return 0;
- stack = (unsigned long)task_stack_page(p);
- if (p->thread.sp < stack || p->thread.sp >= stack+THREAD_SIZE)
- return 0;
- fp = *(u64 *)(p->thread.sp);
- do {
- if (fp < (unsigned long)stack ||
- fp >= (unsigned long)stack+THREAD_SIZE)
- return 0;
- ip = *(u64 *)(fp+8);
- if (!in_sched_functions(ip))
- return ip;
- fp = *(u64 *)fp;
- } while (count++ < 16);
- return 0;
-}
-
long do_arch_prctl(struct task_struct *task, int code, unsigned long addr)
{
int ret = 0;
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index b372a7557c16..9da95b9daf8d 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -2418,7 +2418,7 @@ static int rsm_load_state_64(struct x86_emulate_ctxt *ctxt, u64 smbase)
u64 val, cr0, cr4;
u32 base3;
u16 selector;
- int i;
+ int i, r;
for (i = 0; i < 16; i++)
*reg_write(ctxt, i) = GET_SMSTATE(u64, smbase, 0x7ff8 - i * 8);
@@ -2460,13 +2460,17 @@ static int rsm_load_state_64(struct x86_emulate_ctxt *ctxt, u64 smbase)
dt.address = GET_SMSTATE(u64, smbase, 0x7e68);
ctxt->ops->set_gdt(ctxt, &dt);
+ r = rsm_enter_protected_mode(ctxt, cr0, cr4);
+ if (r != X86EMUL_CONTINUE)
+ return r;
+
for (i = 0; i < 6; i++) {
- int r = rsm_load_seg_64(ctxt, smbase, i);
+ r = rsm_load_seg_64(ctxt, smbase, i);
if (r != X86EMUL_CONTINUE)
return r;
}
- return rsm_enter_protected_mode(ctxt, cr0, cr4);
+ return X86EMUL_CONTINUE;
}
static int em_rsm(struct x86_emulate_ctxt *ctxt)
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 06ef4908ba61..6a8bc64566ab 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -4105,17 +4105,13 @@ static void seg_setup(int seg)
static int alloc_apic_access_page(struct kvm *kvm)
{
struct page *page;
- struct kvm_userspace_memory_region kvm_userspace_mem;
int r = 0;
mutex_lock(&kvm->slots_lock);
if (kvm->arch.apic_access_page_done)
goto out;
- kvm_userspace_mem.slot = APIC_ACCESS_PAGE_PRIVATE_MEMSLOT;
- kvm_userspace_mem.flags = 0;
- kvm_userspace_mem.guest_phys_addr = APIC_DEFAULT_PHYS_BASE;
- kvm_userspace_mem.memory_size = PAGE_SIZE;
- r = __x86_set_memory_region(kvm, &kvm_userspace_mem);
+ r = __x86_set_memory_region(kvm, APIC_ACCESS_PAGE_PRIVATE_MEMSLOT,
+ APIC_DEFAULT_PHYS_BASE, PAGE_SIZE);
if (r)
goto out;
@@ -4140,17 +4136,12 @@ static int alloc_identity_pagetable(struct kvm *kvm)
{
/* Called with kvm->slots_lock held. */
- struct kvm_userspace_memory_region kvm_userspace_mem;
int r = 0;
BUG_ON(kvm->arch.ept_identity_pagetable_done);
- kvm_userspace_mem.slot = IDENTITY_PAGETABLE_PRIVATE_MEMSLOT;
- kvm_userspace_mem.flags = 0;
- kvm_userspace_mem.guest_phys_addr =
- kvm->arch.ept_identity_map_addr;
- kvm_userspace_mem.memory_size = PAGE_SIZE;
- r = __x86_set_memory_region(kvm, &kvm_userspace_mem);
+ r = __x86_set_memory_region(kvm, IDENTITY_PAGETABLE_PRIVATE_MEMSLOT,
+ kvm->arch.ept_identity_map_addr, PAGE_SIZE);
return r;
}
@@ -4949,14 +4940,9 @@ static int vmx_interrupt_allowed(struct kvm_vcpu *vcpu)
static int vmx_set_tss_addr(struct kvm *kvm, unsigned int addr)
{
int ret;
- struct kvm_userspace_memory_region tss_mem = {
- .slot = TSS_PRIVATE_MEMSLOT,
- .guest_phys_addr = addr,
- .memory_size = PAGE_SIZE * 3,
- .flags = 0,
- };
- ret = x86_set_memory_region(kvm, &tss_mem);
+ ret = x86_set_memory_region(kvm, TSS_PRIVATE_MEMSLOT, addr,
+ PAGE_SIZE * 3);
if (ret)
return ret;
kvm->arch.tss_addr = addr;
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 92511d4b7236..9a9a19830321 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -6453,6 +6453,12 @@ static inline int vcpu_block(struct kvm *kvm, struct kvm_vcpu *vcpu)
return 1;
}
+static inline bool kvm_vcpu_running(struct kvm_vcpu *vcpu)
+{
+ return (vcpu->arch.mp_state == KVM_MP_STATE_RUNNABLE &&
+ !vcpu->arch.apf.halted);
+}
+
static int vcpu_run(struct kvm_vcpu *vcpu)
{
int r;
@@ -6461,8 +6467,7 @@ static int vcpu_run(struct kvm_vcpu *vcpu)
vcpu->srcu_idx = srcu_read_lock(&kvm->srcu);
for (;;) {
- if (vcpu->arch.mp_state == KVM_MP_STATE_RUNNABLE &&
- !vcpu->arch.apf.halted)
+ if (kvm_vcpu_running(vcpu))
r = vcpu_enter_guest(vcpu);
else
r = vcpu_block(kvm, vcpu);
@@ -7474,34 +7479,66 @@ void kvm_arch_sync_events(struct kvm *kvm)
kvm_free_pit(kvm);
}
-int __x86_set_memory_region(struct kvm *kvm,
- const struct kvm_userspace_memory_region *mem)
+int __x86_set_memory_region(struct kvm *kvm, int id, gpa_t gpa, u32 size)
{
int i, r;
+ unsigned long hva;
+ struct kvm_memslots *slots = kvm_memslots(kvm);
+ struct kvm_memory_slot *slot, old;
/* Called with kvm->slots_lock held. */
- BUG_ON(mem->slot >= KVM_MEM_SLOTS_NUM);
+ if (WARN_ON(id >= KVM_MEM_SLOTS_NUM))
+ return -EINVAL;
+
+ slot = id_to_memslot(slots, id);
+ if (size) {
+ if (WARN_ON(slot->npages))
+ return -EEXIST;
+
+ /*
+ * MAP_SHARED to prevent internal slot pages from being moved
+ * by fork()/COW.
+ */
+ hva = vm_mmap(NULL, 0, size, PROT_READ | PROT_WRITE,
+ MAP_SHARED | MAP_ANONYMOUS, 0);
+ if (IS_ERR((void *)hva))
+ return PTR_ERR((void *)hva);
+ } else {
+ if (!slot->npages)
+ return 0;
+ hva = 0;
+ }
+
+ old = *slot;
for (i = 0; i < KVM_ADDRESS_SPACE_NUM; i++) {
- struct kvm_userspace_memory_region m = *mem;
+ struct kvm_userspace_memory_region m;
- m.slot |= i << 16;
+ m.slot = id | (i << 16);
+ m.flags = 0;
+ m.guest_phys_addr = gpa;
+ m.userspace_addr = hva;
+ m.memory_size = size;
r = __kvm_set_memory_region(kvm, &m);
if (r < 0)
return r;
}
+ if (!size) {
+ r = vm_munmap(old.userspace_addr, old.npages * PAGE_SIZE);
+ WARN_ON(r < 0);
+ }
+
return 0;
}
EXPORT_SYMBOL_GPL(__x86_set_memory_region);
-int x86_set_memory_region(struct kvm *kvm,
- const struct kvm_userspace_memory_region *mem)
+int x86_set_memory_region(struct kvm *kvm, int id, gpa_t gpa, u32 size)
{
int r;
mutex_lock(&kvm->slots_lock);
- r = __x86_set_memory_region(kvm, mem);
+ r = __x86_set_memory_region(kvm, id, gpa, size);
mutex_unlock(&kvm->slots_lock);
return r;
@@ -7516,16 +7553,9 @@ void kvm_arch_destroy_vm(struct kvm *kvm)
* unless the the memory map has changed due to process exit
* or fd copying.
*/
- struct kvm_userspace_memory_region mem;
- memset(&mem, 0, sizeof(mem));
- mem.slot = APIC_ACCESS_PAGE_PRIVATE_MEMSLOT;
- x86_set_memory_region(kvm, &mem);
-
- mem.slot = IDENTITY_PAGETABLE_PRIVATE_MEMSLOT;
- x86_set_memory_region(kvm, &mem);
-
- mem.slot = TSS_PRIVATE_MEMSLOT;
- x86_set_memory_region(kvm, &mem);
+ x86_set_memory_region(kvm, APIC_ACCESS_PAGE_PRIVATE_MEMSLOT, 0, 0);
+ x86_set_memory_region(kvm, IDENTITY_PAGETABLE_PRIVATE_MEMSLOT, 0, 0);
+ x86_set_memory_region(kvm, TSS_PRIVATE_MEMSLOT, 0, 0);
}
kvm_iommu_unmap_guest(kvm);
kfree(kvm->arch.vpic);
@@ -7628,27 +7658,6 @@ int kvm_arch_prepare_memory_region(struct kvm *kvm,
const struct kvm_userspace_memory_region *mem,
enum kvm_mr_change change)
{
- /*
- * Only private memory slots need to be mapped here since
- * KVM_SET_MEMORY_REGION ioctl is no longer supported.
- */
- if ((memslot->id >= KVM_USER_MEM_SLOTS) && (change == KVM_MR_CREATE)) {
- unsigned long userspace_addr;
-
- /*
- * MAP_SHARED to prevent internal slot pages from being moved
- * by fork()/COW.
- */
- userspace_addr = vm_mmap(NULL, 0, memslot->npages * PAGE_SIZE,
- PROT_READ | PROT_WRITE,
- MAP_SHARED | MAP_ANONYMOUS, 0);
-
- if (IS_ERR((void *)userspace_addr))
- return PTR_ERR((void *)userspace_addr);
-
- memslot->userspace_addr = userspace_addr;
- }
-
return 0;
}
@@ -7710,17 +7719,6 @@ void kvm_arch_commit_memory_region(struct kvm *kvm,
{
int nr_mmu_pages = 0;
- if (change == KVM_MR_DELETE && old->id >= KVM_USER_MEM_SLOTS) {
- int ret;
-
- ret = vm_munmap(old->userspace_addr,
- old->npages * PAGE_SIZE);
- if (ret < 0)
- printk(KERN_WARNING
- "kvm_vm_ioctl_set_memory_region: "
- "failed to munmap memory\n");
- }
-
if (!kvm->arch.n_requested_mmu_pages)
nr_mmu_pages = kvm_mmu_calculate_mmu_pages(kvm);
@@ -7769,19 +7767,36 @@ void kvm_arch_flush_shadow_memslot(struct kvm *kvm,
kvm_mmu_invalidate_zap_all_pages(kvm);
}
+static inline bool kvm_vcpu_has_events(struct kvm_vcpu *vcpu)
+{
+ if (!list_empty_careful(&vcpu->async_pf.done))
+ return true;
+
+ if (kvm_apic_has_events(vcpu))
+ return true;
+
+ if (vcpu->arch.pv.pv_unhalted)
+ return true;
+
+ if (atomic_read(&vcpu->arch.nmi_queued))
+ return true;
+
+ if (test_bit(KVM_REQ_SMI, &vcpu->requests))
+ return true;
+
+ if (kvm_arch_interrupt_allowed(vcpu) &&
+ kvm_cpu_has_interrupt(vcpu))
+ return true;
+
+ return false;
+}
+
int kvm_arch_vcpu_runnable(struct kvm_vcpu *vcpu)
{
if (is_guest_mode(vcpu) && kvm_x86_ops->check_nested_events)
kvm_x86_ops->check_nested_events(vcpu, false);
- return (vcpu->arch.mp_state == KVM_MP_STATE_RUNNABLE &&
- !vcpu->arch.apf.halted)
- || !list_empty_careful(&vcpu->async_pf.done)
- || kvm_apic_has_events(vcpu)
- || vcpu->arch.pv.pv_unhalted
- || atomic_read(&vcpu->arch.nmi_queued) ||
- (kvm_arch_interrupt_allowed(vcpu) &&
- kvm_cpu_has_interrupt(vcpu));
+ return kvm_vcpu_running(vcpu) || kvm_vcpu_has_events(vcpu);
}
int kvm_arch_vcpu_should_kick(struct kvm_vcpu *vcpu)
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index 30564e2752d3..df48430c279b 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -1132,7 +1132,7 @@ void mark_rodata_ro(void)
* has been zapped already via cleanup_highmem().
*/
all_end = roundup((unsigned long)_brk_end, PMD_SIZE);
- set_memory_nx(rodata_start, (all_end - rodata_start) >> PAGE_SHIFT);
+ set_memory_nx(text_end, (all_end - text_end) >> PAGE_SHIFT);
rodata_test();
diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c
index 1db84c0758b7..6a28ded74211 100644
--- a/arch/x86/platform/efi/efi.c
+++ b/arch/x86/platform/efi/efi.c
@@ -705,6 +705,70 @@ out:
}
/*
+ * Iterate the EFI memory map in reverse order because the regions
+ * will be mapped top-down. The end result is the same as if we had
+ * mapped things forward, but doesn't require us to change the
+ * existing implementation of efi_map_region().
+ */
+static inline void *efi_map_next_entry_reverse(void *entry)
+{
+ /* Initial call */
+ if (!entry)
+ return memmap.map_end - memmap.desc_size;
+
+ entry -= memmap.desc_size;
+ if (entry < memmap.map)
+ return NULL;
+
+ return entry;
+}
+
+/*
+ * efi_map_next_entry - Return the next EFI memory map descriptor
+ * @entry: Previous EFI memory map descriptor
+ *
+ * This is a helper function to iterate over the EFI memory map, which
+ * we do in different orders depending on the current configuration.
+ *
+ * To begin traversing the memory map @entry must be %NULL.
+ *
+ * Returns %NULL when we reach the end of the memory map.
+ */
+static void *efi_map_next_entry(void *entry)
+{
+ if (!efi_enabled(EFI_OLD_MEMMAP) && efi_enabled(EFI_64BIT)) {
+ /*
+ * Starting in UEFI v2.5 the EFI_PROPERTIES_TABLE
+ * config table feature requires us to map all entries
+ * in the same order as they appear in the EFI memory
+ * map. That is to say, entry N must have a lower
+ * virtual address than entry N+1. This is because the
+ * firmware toolchain leaves relative references in
+ * the code/data sections, which are split and become
+ * separate EFI memory regions. Mapping things
+ * out-of-order leads to the firmware accessing
+ * unmapped addresses.
+ *
+ * Since we need to map things this way whether or not
+ * the kernel actually makes use of
+ * EFI_PROPERTIES_TABLE, let's just switch to this
+ * scheme by default for 64-bit.
+ */
+ return efi_map_next_entry_reverse(entry);
+ }
+
+ /* Initial call */
+ if (!entry)
+ return memmap.map;
+
+ entry += memmap.desc_size;
+ if (entry >= memmap.map_end)
+ return NULL;
+
+ return entry;
+}
+
+/*
* Map the efi memory ranges of the runtime services and update new_mmap with
* virtual addresses.
*/
@@ -714,7 +778,8 @@ static void * __init efi_map_regions(int *count, int *pg_shift)
unsigned long left = 0;
efi_memory_desc_t *md;
- for (p = memmap.map; p < memmap.map_end; p += memmap.desc_size) {
+ p = NULL;
+ while ((p = efi_map_next_entry(p))) {
md = p;
if (!(md->attribute & EFI_MEMORY_RUNTIME)) {
#ifdef CONFIG_X86_64
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 30d12afe52ed..993b7a71386d 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -33,6 +33,10 @@
#include <linux/memblock.h>
#include <linux/edd.h>
+#ifdef CONFIG_KEXEC_CORE
+#include <linux/kexec.h>
+#endif
+
#include <xen/xen.h>
#include <xen/events.h>
#include <xen/interface/xen.h>
@@ -1077,6 +1081,7 @@ static int xen_write_msr_safe(unsigned int msr, unsigned low, unsigned high)
/* Fast syscall setup is all done in hypercalls, so
these are all ignored. Stub them out here to stop
Xen console noise. */
+ break;
default:
if (!pmu_msr_write(msr, low, high, &ret))
@@ -1807,6 +1812,21 @@ static struct notifier_block xen_hvm_cpu_notifier = {
.notifier_call = xen_hvm_cpu_notify,
};
+#ifdef CONFIG_KEXEC_CORE
+static void xen_hvm_shutdown(void)
+{
+ native_machine_shutdown();
+ if (kexec_in_progress)
+ xen_reboot(SHUTDOWN_soft_reset);
+}
+
+static void xen_hvm_crash_shutdown(struct pt_regs *regs)
+{
+ native_machine_crash_shutdown(regs);
+ xen_reboot(SHUTDOWN_soft_reset);
+}
+#endif
+
static void __init xen_hvm_guest_init(void)
{
if (xen_pv_domain())
@@ -1826,6 +1846,10 @@ static void __init xen_hvm_guest_init(void)
x86_init.irqs.intr_init = xen_init_IRQ;
xen_hvm_init_time_ops();
xen_hvm_init_mmu_ops();
+#ifdef CONFIG_KEXEC_CORE
+ machine_ops.shutdown = xen_hvm_shutdown;
+ machine_ops.crash_shutdown = xen_hvm_crash_shutdown;
+#endif
}
#endif
diff --git a/arch/x86/xen/p2m.c b/arch/x86/xen/p2m.c
index bfc08b13044b..660b3cfef234 100644
--- a/arch/x86/xen/p2m.c
+++ b/arch/x86/xen/p2m.c
@@ -112,6 +112,15 @@ static unsigned long *p2m_identity;
static pte_t *p2m_missing_pte;
static pte_t *p2m_identity_pte;
+/*
+ * Hint at last populated PFN.
+ *
+ * Used to set HYPERVISOR_shared_info->arch.max_pfn so the toolstack
+ * can avoid scanning the whole P2M (which may be sized to account for
+ * hotplugged memory).
+ */
+static unsigned long xen_p2m_last_pfn;
+
static inline unsigned p2m_top_index(unsigned long pfn)
{
BUG_ON(pfn >= MAX_P2M_PFN);
@@ -270,7 +279,7 @@ void xen_setup_mfn_list_list(void)
else
HYPERVISOR_shared_info->arch.pfn_to_mfn_frame_list_list =
virt_to_mfn(p2m_top_mfn);
- HYPERVISOR_shared_info->arch.max_pfn = xen_max_p2m_pfn;
+ HYPERVISOR_shared_info->arch.max_pfn = xen_p2m_last_pfn;
HYPERVISOR_shared_info->arch.p2m_generation = 0;
HYPERVISOR_shared_info->arch.p2m_vaddr = (unsigned long)xen_p2m_addr;
HYPERVISOR_shared_info->arch.p2m_cr3 =
@@ -406,6 +415,8 @@ void __init xen_vmalloc_p2m_tree(void)
static struct vm_struct vm;
unsigned long p2m_limit;
+ xen_p2m_last_pfn = xen_max_p2m_pfn;
+
p2m_limit = (phys_addr_t)P2M_LIMIT * 1024 * 1024 * 1024 / PAGE_SIZE;
vm.flags = VM_ALLOC;
vm.size = ALIGN(sizeof(unsigned long) * max(xen_max_p2m_pfn, p2m_limit),
@@ -608,6 +619,12 @@ static bool alloc_p2m(unsigned long pfn)
free_p2m_page(p2m);
}
+ /* Expanded the p2m? */
+ if (pfn > xen_p2m_last_pfn) {
+ xen_p2m_last_pfn = pfn;
+ HYPERVISOR_shared_info->arch.max_pfn = xen_p2m_last_pfn;
+ }
+
return true;
}
diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
index f5ef6746d47a..1c30e4ab1022 100644
--- a/arch/x86/xen/setup.c
+++ b/arch/x86/xen/setup.c
@@ -548,7 +548,7 @@ static unsigned long __init xen_get_max_pages(void)
{
unsigned long max_pages, limit;
domid_t domid = DOMID_SELF;
- int ret;
+ long ret;
limit = xen_get_pages_limit();
max_pages = limit;
@@ -798,7 +798,7 @@ char * __init xen_memory_setup(void)
xen_ignore_unusable();
/* Make sure the Xen-supplied memory map is well-ordered. */
- sanitize_e820_map(xen_e820_map, xen_e820_map_entries,
+ sanitize_e820_map(xen_e820_map, ARRAY_SIZE(xen_e820_map),
&xen_e820_map_entries);
max_pages = xen_get_max_pages();
diff --git a/arch/xtensa/include/asm/Kbuild b/arch/xtensa/include/asm/Kbuild
index 63c223dff5f1..b56855a1382a 100644
--- a/arch/xtensa/include/asm/Kbuild
+++ b/arch/xtensa/include/asm/Kbuild
@@ -28,4 +28,5 @@ generic-y += statfs.h
generic-y += termios.h
generic-y += topology.h
generic-y += trace_clock.h
+generic-y += word-at-a-time.h
generic-y += xor.h