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-rw-r--r--Documentation/kernel-parameters.txt2
-rw-r--r--arch/frv/include/asm/bug.h5
-rw-r--r--arch/frv/include/asm/unistd.h4
-rw-r--r--arch/frv/kernel/entry.S2
-rw-r--r--arch/x86/Kconfig2
-rw-r--r--arch/x86/Makefile6
-rw-r--r--arch/x86/kernel/apic/io_apic.c2
-rw-r--r--arch/x86/kernel/apic/nmi.c5
-rw-r--r--arch/x86/kernel/apic/x2apic_uv_x.c15
-rw-r--r--arch/x86/kernel/entry_64.S3
-rw-r--r--arch/x86/kernel/hpet.c18
-rw-r--r--arch/x86/kernel/quirks.c2
-rw-r--r--arch/x86/kernel/uv_time.c10
-rw-r--r--arch/x86/kernel/xsave.c4
-rw-r--r--arch/x86/mm/numa_32.c2
-rw-r--r--arch/x86/mm/numa_64.c3
-rw-r--r--arch/x86/mm/srat_64.c6
-rw-r--r--kernel/irq/manage.c5
-rw-r--r--kernel/lockdep.c22
-rw-r--r--kernel/panic.c2
20 files changed, 91 insertions, 29 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 600cdd72900c..90b3924071b6 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1620,6 +1620,8 @@ and is between 256 and 4096 characters. It is defined in the file
nowb [ARM]
+ nox2apic [X86-64,APIC] Do not enable x2APIC mode.
+
nptcg= [IA64] Override max number of concurrent global TLB
purges which is reported from either PAL_VM_SUMMARY or
SAL PALO.
diff --git a/arch/frv/include/asm/bug.h b/arch/frv/include/asm/bug.h
index 6b1b44d71028..2e054508a2f6 100644
--- a/arch/frv/include/asm/bug.h
+++ b/arch/frv/include/asm/bug.h
@@ -30,7 +30,7 @@ extern void __debug_bug_printk(const char *file, unsigned line);
do { \
__debug_bug_trap(signr); \
asm volatile("nop"); \
-} while(0)
+} while(1)
#define HAVE_ARCH_BUG
#define BUG() \
@@ -46,7 +46,8 @@ do { \
#define HAVE_ARCH_KGDB_BAD_PAGE
#define kgdb_bad_page(page) do { kgdb_raise(SIGABRT); } while(0)
#endif
-#endif
+
+#endif /* CONFIG_BUG */
#include <asm-generic/bug.h>
diff --git a/arch/frv/include/asm/unistd.h b/arch/frv/include/asm/unistd.h
index edcfaf5f0414..96d78d5d2c41 100644
--- a/arch/frv/include/asm/unistd.h
+++ b/arch/frv/include/asm/unistd.h
@@ -339,10 +339,12 @@
#define __NR_dup3 330
#define __NR_pipe2 331
#define __NR_inotify_init1 332
+#define __NR_preadv 333
+#define __NR_pwritev 334
#ifdef __KERNEL__
-#define NR_syscalls 333
+#define NR_syscalls 335
#define __ARCH_WANT_IPC_PARSE_VERSION
/* #define __ARCH_WANT_OLD_READDIR */
diff --git a/arch/frv/kernel/entry.S b/arch/frv/kernel/entry.S
index 99060ab507ee..1da523b3298e 100644
--- a/arch/frv/kernel/entry.S
+++ b/arch/frv/kernel/entry.S
@@ -1525,5 +1525,7 @@ sys_call_table:
.long sys_dup3 /* 330 */
.long sys_pipe2
.long sys_inotify_init1
+ .long sys_preadv
+ .long sys_pwritev
syscall_table_size = (. - sys_call_table)
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index c9086e6307a5..df9e885eee14 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -277,6 +277,7 @@ config SPARSE_IRQ
config NUMA_MIGRATE_IRQ_DESC
bool "Move irq desc when changing irq smp_affinity"
depends on SPARSE_IRQ && NUMA
+ depends on BROKEN
default n
---help---
This enables moving irq_desc to cpu/node that irq will use handled.
@@ -664,6 +665,7 @@ config MAXSMP
config NR_CPUS
int "Maximum number of CPUs" if SMP && !MAXSMP
+ range 2 8 if SMP && X86_32 && !X86_BIGSMP
range 2 512 if SMP && !MAXSMP
default "1" if !SMP
default "4096" if MAXSMP
diff --git a/arch/x86/Makefile b/arch/x86/Makefile
index f05d8c91d9e5..8c86b72afdc2 100644
--- a/arch/x86/Makefile
+++ b/arch/x86/Makefile
@@ -153,7 +153,7 @@ endif
boot := arch/x86/boot
-BOOT_TARGETS = bzlilo bzdisk fdimage fdimage144 fdimage288 isoimage install
+BOOT_TARGETS = bzlilo bzdisk fdimage fdimage144 fdimage288 isoimage
PHONY += bzImage $(BOOT_TARGETS)
@@ -171,6 +171,10 @@ bzImage: vmlinux
$(BOOT_TARGETS): vmlinux
$(Q)$(MAKE) $(build)=$(boot) $@
+PHONY += install
+install:
+ $(Q)$(MAKE) $(build)=$(boot) $@
+
PHONY += vdso_install
vdso_install:
$(Q)$(MAKE) $(build)=arch/x86/vdso $@
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index a2789e42e162..30da617d18e4 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -3670,12 +3670,14 @@ int arch_setup_hpet_msi(unsigned int irq)
{
int ret;
struct msi_msg msg;
+ struct irq_desc *desc = irq_to_desc(irq);
ret = msi_compose_msg(NULL, irq, &msg);
if (ret < 0)
return ret;
hpet_msi_write(irq, &msg);
+ desc->status |= IRQ_MOVE_PCNTXT;
set_irq_chip_and_handler_name(irq, &hpet_msi_type, handle_edge_irq,
"edge");
diff --git a/arch/x86/kernel/apic/nmi.c b/arch/x86/kernel/apic/nmi.c
index d6bd62407152..ce4fbfa315a1 100644
--- a/arch/x86/kernel/apic/nmi.c
+++ b/arch/x86/kernel/apic/nmi.c
@@ -138,7 +138,7 @@ int __init check_nmi_watchdog(void)
if (!prev_nmi_count)
goto error;
- alloc_cpumask_var(&backtrace_mask, GFP_KERNEL);
+ alloc_cpumask_var(&backtrace_mask, GFP_KERNEL|__GFP_ZERO);
printk(KERN_INFO "Testing NMI watchdog ... ");
#ifdef CONFIG_SMP
@@ -414,7 +414,8 @@ nmi_watchdog_tick(struct pt_regs *regs, unsigned reason)
touched = 1;
}
- if (cpumask_test_cpu(cpu, backtrace_mask)) {
+ /* We can be called before check_nmi_watchdog, hence NULL check. */
+ if (backtrace_mask != NULL && cpumask_test_cpu(cpu, backtrace_mask)) {
static DEFINE_SPINLOCK(lock); /* Serialise the printks */
spin_lock(&lock);
diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c
index de1a50af807b..2bda69352976 100644
--- a/arch/x86/kernel/apic/x2apic_uv_x.c
+++ b/arch/x86/kernel/apic/x2apic_uv_x.c
@@ -19,6 +19,7 @@
#include <linux/timer.h>
#include <linux/cpu.h>
#include <linux/init.h>
+#include <linux/io.h>
#include <asm/uv/uv_mmrs.h>
#include <asm/uv/uv_hub.h>
@@ -34,6 +35,17 @@ DEFINE_PER_CPU(int, x2apic_extra_bits);
static enum uv_system_type uv_system_type;
+static int early_get_nodeid(void)
+{
+ union uvh_node_id_u node_id;
+ unsigned long *mmr;
+
+ mmr = early_ioremap(UV_LOCAL_MMR_BASE | UVH_NODE_ID, sizeof(*mmr));
+ node_id.v = *mmr;
+ early_iounmap(mmr, sizeof(*mmr));
+ return node_id.s.node_id;
+}
+
static int uv_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
{
if (!strcmp(oem_id, "SGI")) {
@@ -42,6 +54,8 @@ static int uv_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
else if (!strcmp(oem_table_id, "UVX"))
uv_system_type = UV_X2APIC;
else if (!strcmp(oem_table_id, "UVH")) {
+ __get_cpu_var(x2apic_extra_bits) =
+ early_get_nodeid() << (UV_APIC_PNODE_SHIFT - 1);
uv_system_type = UV_NON_UNIQUE_APIC;
return 1;
}
@@ -638,6 +652,7 @@ void __init uv_system_init(void)
if (uv_node_to_blade[nid] >= 0)
continue;
paddr = node_start_pfn(nid) << PAGE_SHIFT;
+ paddr = uv_soc_phys_ram_to_gpa(paddr);
pnode = (paddr >> m_val) & pnode_mask;
blade = boot_pnode_to_blade(pnode);
uv_node_to_blade[nid] = blade;
diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S
index a331ec38af9e..38946c6e8433 100644
--- a/arch/x86/kernel/entry_64.S
+++ b/arch/x86/kernel/entry_64.S
@@ -1410,7 +1410,10 @@ ENTRY(paranoid_exit)
paranoid_swapgs:
TRACE_IRQS_IRETQ 0
SWAPGS_UNSAFE_STACK
+ RESTORE_ALL 8
+ jmp irq_return
paranoid_restore:
+ TRACE_IRQS_IRETQ 0
RESTORE_ALL 8
jmp irq_return
paranoid_userspace:
diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
index 3f0019e0a229..81408b93f887 100644
--- a/arch/x86/kernel/hpet.c
+++ b/arch/x86/kernel/hpet.c
@@ -236,6 +236,10 @@ static void hpet_stop_counter(void)
unsigned long cfg = hpet_readl(HPET_CFG);
cfg &= ~HPET_CFG_ENABLE;
hpet_writel(cfg, HPET_CFG);
+}
+
+static void hpet_reset_counter(void)
+{
hpet_writel(0, HPET_COUNTER);
hpet_writel(0, HPET_COUNTER + 4);
}
@@ -250,6 +254,7 @@ static void hpet_start_counter(void)
static void hpet_restart_counter(void)
{
hpet_stop_counter();
+ hpet_reset_counter();
hpet_start_counter();
}
@@ -309,7 +314,7 @@ static int hpet_setup_msi_irq(unsigned int irq);
static void hpet_set_mode(enum clock_event_mode mode,
struct clock_event_device *evt, int timer)
{
- unsigned long cfg;
+ unsigned long cfg, cmp, now;
uint64_t delta;
switch (mode) {
@@ -317,12 +322,23 @@ static void hpet_set_mode(enum clock_event_mode mode,
hpet_stop_counter();
delta = ((uint64_t)(NSEC_PER_SEC/HZ)) * evt->mult;
delta >>= evt->shift;
+ now = hpet_readl(HPET_COUNTER);
+ cmp = now + (unsigned long) delta;
cfg = hpet_readl(HPET_Tn_CFG(timer));
/* Make sure we use edge triggered interrupts */
cfg &= ~HPET_TN_LEVEL;
cfg |= HPET_TN_ENABLE | HPET_TN_PERIODIC |
HPET_TN_SETVAL | HPET_TN_32BIT;
hpet_writel(cfg, HPET_Tn_CFG(timer));
+ hpet_writel(cmp, HPET_Tn_CMP(timer));
+ udelay(1);
+ /*
+ * HPET on AMD 81xx needs a second write (with HPET_TN_SETVAL
+ * cleared) to T0_CMP to set the period. The HPET_TN_SETVAL
+ * bit is automatically cleared after the first write.
+ * (See AMD-8111 HyperTransport I/O Hub Data Sheet,
+ * Publication # 24674)
+ */
hpet_writel((unsigned long) delta, HPET_Tn_CMP(timer));
hpet_start_counter();
hpet_print_config();
diff --git a/arch/x86/kernel/quirks.c b/arch/x86/kernel/quirks.c
index e95022e4f5d5..7563b31b4f03 100644
--- a/arch/x86/kernel/quirks.c
+++ b/arch/x86/kernel/quirks.c
@@ -261,8 +261,6 @@ static void old_ich_force_enable_hpet_user(struct pci_dev *dev)
{
if (hpet_force_user)
old_ich_force_enable_hpet(dev);
- else
- hpet_print_force_info();
}
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ESB_1,
diff --git a/arch/x86/kernel/uv_time.c b/arch/x86/kernel/uv_time.c
index 2ffb6c53326e..583f11d5c480 100644
--- a/arch/x86/kernel/uv_time.c
+++ b/arch/x86/kernel/uv_time.c
@@ -29,7 +29,7 @@
#define RTC_NAME "sgi_rtc"
-static cycle_t uv_read_rtc(void);
+static cycle_t uv_read_rtc(struct clocksource *cs);
static int uv_rtc_next_event(unsigned long, struct clock_event_device *);
static void uv_rtc_timer_setup(enum clock_event_mode,
struct clock_event_device *);
@@ -123,7 +123,7 @@ static int uv_setup_intr(int cpu, u64 expires)
/* Initialize comparator value */
uv_write_global_mmr64(pnode, UVH_INT_CMPB, expires);
- return (expires < uv_read_rtc() && !uv_intr_pending(pnode));
+ return (expires < uv_read_rtc(NULL) && !uv_intr_pending(pnode));
}
/*
@@ -256,7 +256,7 @@ static int uv_rtc_unset_timer(int cpu)
spin_lock_irqsave(&head->lock, flags);
- if (head->next_cpu == bcpu && uv_read_rtc() >= *t)
+ if (head->next_cpu == bcpu && uv_read_rtc(NULL) >= *t)
rc = 1;
*t = ULLONG_MAX;
@@ -278,7 +278,7 @@ static int uv_rtc_unset_timer(int cpu)
/*
* Read the RTC.
*/
-static cycle_t uv_read_rtc(void)
+static cycle_t uv_read_rtc(struct clocksource *cs)
{
return (cycle_t)uv_read_local_mmr(UVH_RTC);
}
@@ -291,7 +291,7 @@ static int uv_rtc_next_event(unsigned long delta,
{
int ced_cpu = cpumask_first(ced->cpumask);
- return uv_rtc_set_timer(ced_cpu, delta + uv_read_rtc());
+ return uv_rtc_set_timer(ced_cpu, delta + uv_read_rtc(NULL));
}
/*
diff --git a/arch/x86/kernel/xsave.c b/arch/x86/kernel/xsave.c
index 0a5b04aa98f1..c5ee17e8c6d9 100644
--- a/arch/x86/kernel/xsave.c
+++ b/arch/x86/kernel/xsave.c
@@ -89,7 +89,7 @@ int save_i387_xstate(void __user *buf)
if (!used_math())
return 0;
- clear_used_math(); /* trigger finit */
+
if (task_thread_info(tsk)->status & TS_USEDFPU) {
/*
* Start with clearing the user buffer. This will present a
@@ -114,6 +114,8 @@ int save_i387_xstate(void __user *buf)
return -1;
}
+ clear_used_math(); /* trigger finit */
+
if (task_thread_info(tsk)->status & TS_XSAVE) {
struct _fpstate __user *fx = buf;
struct _xstate __user *x = buf;
diff --git a/arch/x86/mm/numa_32.c b/arch/x86/mm/numa_32.c
index 3daefa04ace5..d2530062fe00 100644
--- a/arch/x86/mm/numa_32.c
+++ b/arch/x86/mm/numa_32.c
@@ -257,7 +257,7 @@ void resume_map_numa_kva(pgd_t *pgd_base)
}
#endif
-static unsigned long calculate_numa_remap_pages(void)
+static __init unsigned long calculate_numa_remap_pages(void)
{
int nid;
unsigned long size, reserve_pages = 0;
diff --git a/arch/x86/mm/numa_64.c b/arch/x86/mm/numa_64.c
index d73aaa892371..2d05a12029dc 100644
--- a/arch/x86/mm/numa_64.c
+++ b/arch/x86/mm/numa_64.c
@@ -188,6 +188,9 @@ void __init setup_node_bootmem(int nodeid, unsigned long start,
const int pgdat_size = roundup(sizeof(pg_data_t), PAGE_SIZE);
int nid;
+ if (!end)
+ return;
+
start = roundup(start, ZONE_ALIGN);
printk(KERN_INFO "Bootmem setup node %d %016lx-%016lx\n", nodeid,
diff --git a/arch/x86/mm/srat_64.c b/arch/x86/mm/srat_64.c
index c7d272b8574c..33c5fa57e43d 100644
--- a/arch/x86/mm/srat_64.c
+++ b/arch/x86/mm/srat_64.c
@@ -28,6 +28,7 @@ int acpi_numa __initdata;
static struct acpi_table_slit *acpi_slit;
static nodemask_t nodes_parsed __initdata;
+static nodemask_t cpu_nodes_parsed __initdata;
static struct bootnode nodes[MAX_NUMNODES] __initdata;
static struct bootnode nodes_add[MAX_NUMNODES];
static int found_add_area __initdata;
@@ -141,6 +142,7 @@ acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa)
apic_id = pa->apic_id;
apicid_to_node[apic_id] = node;
+ node_set(node, cpu_nodes_parsed);
acpi_numa = 1;
printk(KERN_INFO "SRAT: PXM %u -> APIC %u -> Node %u\n",
pxm, apic_id, node);
@@ -174,6 +176,7 @@ acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa)
else
apic_id = pa->apic_id;
apicid_to_node[apic_id] = node;
+ node_set(node, cpu_nodes_parsed);
acpi_numa = 1;
printk(KERN_INFO "SRAT: PXM %u -> APIC %u -> Node %u\n",
pxm, apic_id, node);
@@ -402,7 +405,8 @@ int __init acpi_scan_nodes(unsigned long start, unsigned long end)
return -1;
}
- node_possible_map = nodes_parsed;
+ /* Account for nodes with cpus and no memory */
+ nodes_or(node_possible_map, nodes_parsed, cpu_nodes_parsed);
/* Finally register nodes */
for_each_node_mask(i, node_possible_map)
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 7e2e7dd4cd2f..2734eca59243 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -109,10 +109,9 @@ int irq_set_affinity(unsigned int irq, const struct cpumask *cpumask)
spin_lock_irqsave(&desc->lock, flags);
#ifdef CONFIG_GENERIC_PENDING_IRQ
- if (desc->status & IRQ_MOVE_PCNTXT || desc->status & IRQ_DISABLED) {
- cpumask_copy(desc->affinity, cpumask);
+ if (desc->status & IRQ_MOVE_PCNTXT)
desc->chip->set_affinity(irq, cpumask);
- } else {
+ else {
desc->status |= IRQ_MOVE_PENDING;
cpumask_copy(desc->pending_mask, cpumask);
}
diff --git a/kernel/lockdep.c b/kernel/lockdep.c
index b0f011866969..accb40cdb12a 100644
--- a/kernel/lockdep.c
+++ b/kernel/lockdep.c
@@ -2490,13 +2490,20 @@ static int mark_lock(struct task_struct *curr, struct held_lock *this,
void lockdep_init_map(struct lockdep_map *lock, const char *name,
struct lock_class_key *key, int subclass)
{
- if (unlikely(!debug_locks))
+ lock->class_cache = NULL;
+#ifdef CONFIG_LOCK_STAT
+ lock->cpu = raw_smp_processor_id();
+#endif
+
+ if (DEBUG_LOCKS_WARN_ON(!name)) {
+ lock->name = "NULL";
return;
+ }
+
+ lock->name = name;
if (DEBUG_LOCKS_WARN_ON(!key))
return;
- if (DEBUG_LOCKS_WARN_ON(!name))
- return;
/*
* Sanity check, the lock-class key must be persistent:
*/
@@ -2505,12 +2512,11 @@ void lockdep_init_map(struct lockdep_map *lock, const char *name,
DEBUG_LOCKS_WARN_ON(1);
return;
}
- lock->name = name;
lock->key = key;
- lock->class_cache = NULL;
-#ifdef CONFIG_LOCK_STAT
- lock->cpu = raw_smp_processor_id();
-#endif
+
+ if (unlikely(!debug_locks))
+ return;
+
if (subclass)
register_lock_class(lock, subclass, 1);
}
diff --git a/kernel/panic.c b/kernel/panic.c
index 934fb377f4b3..3dcaa1661357 100644
--- a/kernel/panic.c
+++ b/kernel/panic.c
@@ -221,7 +221,7 @@ void add_taint(unsigned flag)
* post-warning case.
*/
if (flag != TAINT_CRAP && flag != TAINT_WARN && __debug_locks_off())
- printk(KERN_WARNING "Disabling lockdep due to kernel taint\n");
+ printk(KERN_WARNING "Disabling lock debugging due to kernel taint\n");
set_bit(flag, &tainted_mask);
}
generated by cgit v1.2.3 (git 2.0.4) at 2025-06-02 15:28:35 +0000