diff options
Diffstat (limited to 'arch/parisc')
50 files changed, 317 insertions, 439 deletions
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig index 47fd9662d800..d3afac2f0d9b 100644 --- a/arch/parisc/Kconfig +++ b/arch/parisc/Kconfig @@ -8,6 +8,7 @@ config PARISC select HAVE_FUNCTION_GRAPH_TRACER select HAVE_SYSCALL_TRACEPOINTS select ARCH_WANT_FRAME_POINTERS + select ARCH_WANTS_MODULES_TEXT_SECTIONS if !64BIT select ARCH_HAS_CPU_CACHE_ALIASING select ARCH_HAS_DMA_ALLOC if PA11 select ARCH_HAS_DMA_OPS @@ -79,6 +80,7 @@ config PARISC select GENERIC_CLOCKEVENTS select CPU_NO_EFFICIENT_FFS select THREAD_INFO_IN_TASK + select MMU_GATHER_RCU_TABLE_FREE select NEED_DMA_MAP_STATE select NEED_SG_DMA_LENGTH select HAVE_ARCH_KGDB @@ -129,6 +131,9 @@ config GENERIC_BUG config GENERIC_BUG_RELATIVE_POINTERS bool +config GENERIC_CSUM + def_bool y + config GENERIC_HWEIGHT bool default y @@ -353,7 +358,8 @@ config ARCH_SPARSEMEM_DEFAULT source "kernel/Kconfig.hz" config COMPAT - def_bool y + bool "Kernel support for 32-bit binaries" + default 64BIT depends on 64BIT config AUDIT_ARCH diff --git a/arch/parisc/Makefile b/arch/parisc/Makefile index 48ae3c79557a..4391783521bd 100644 --- a/arch/parisc/Makefile +++ b/arch/parisc/Makefile @@ -174,13 +174,21 @@ ifeq ($(KBUILD_EXTMOD),) # this hack. prepare: vdso_prepare vdso_prepare: prepare0 - $(if $(CONFIG_64BIT),$(Q)$(MAKE) \ - $(build)=arch/parisc/kernel/vdso64 include/generated/vdso64-offsets.h) +ifdef CONFIG_64BIT + $(Q)$(MAKE) $(build)=arch/parisc/kernel/vdso64 include/generated/vdso64-offsets.h + $(if $(CONFIG_COMPAT),$(Q)$(MAKE) \ + $(build)=arch/parisc/kernel/vdso32 include/generated/vdso32-offsets.h) +else $(Q)$(MAKE) $(build)=arch/parisc/kernel/vdso32 include/generated/vdso32-offsets.h endif +endif +ifdef CONFIG_64BIT +vdso-install-y += arch/parisc/kernel/vdso64/vdso64.so +vdso-install-$(CONFIG_COMPAT) += arch/parisc/kernel/vdso32/vdso32.so +else vdso-install-y += arch/parisc/kernel/vdso32/vdso32.so -vdso-install-$(CONFIG_64BIT) += arch/parisc/kernel/vdso64/vdso64.so +endif install: KBUILD_IMAGE := vmlinux zinstall: KBUILD_IMAGE := vmlinuz diff --git a/arch/parisc/boot/compressed/Makefile b/arch/parisc/boot/compressed/Makefile index f8481e4e9d21..14eefb5ed5d1 100644 --- a/arch/parisc/boot/compressed/Makefile +++ b/arch/parisc/boot/compressed/Makefile @@ -18,7 +18,7 @@ KBUILD_CFLAGS += -fno-PIE -mno-space-regs -mdisable-fpregs -Os ifndef CONFIG_64BIT KBUILD_CFLAGS += -mfast-indirect-calls endif -KBUILD_CFLAGS += -std=gnu11 -fms-extensions +KBUILD_CFLAGS += $(CC_FLAGS_DIALECT) LDFLAGS_vmlinux := -X -e startup --as-needed -T $(obj)/vmlinux: $(obj)/vmlinux.lds $(addprefix $(obj)/, $(OBJECTS)) $(LIBGCC) FORCE diff --git a/arch/parisc/boot/compressed/misc.c b/arch/parisc/boot/compressed/misc.c index 9c83bd06ef15..111f267230a1 100644 --- a/arch/parisc/boot/compressed/misc.c +++ b/arch/parisc/boot/compressed/misc.c @@ -278,6 +278,19 @@ static void parse_elf(void *output) free(phdrs); } +/* + * The regular get_unaligned_le32 uses __builtin_memcpy which can trigger + * warnings when reading a byte/char output_len as an integer, as the size of a + * char is less than that of an integer. Use type punning and the packed + * attribute, which requires -fno-strict-aliasing, to work around the problem. + */ +static u32 punned_get_unaligned_le32(const void *p) +{ + const struct { __le32 x; } __packed * __get_pptr = p; + + return le32_to_cpu(__get_pptr->x); +} + asmlinkage unsigned long __visible decompress_kernel(unsigned int started_wide, unsigned int command_line, const unsigned int rd_start, @@ -309,7 +322,7 @@ asmlinkage unsigned long __visible decompress_kernel(unsigned int started_wide, * leave 2 MB for the stack. */ vmlinux_addr = (unsigned long) &_ebss + 2*1024*1024; - vmlinux_len = get_unaligned_le32(&output_len); + vmlinux_len = punned_get_unaligned_le32(&output_len); output = (char *) vmlinux_addr; /* diff --git a/arch/parisc/boot/compressed/vmlinux.lds.S b/arch/parisc/boot/compressed/vmlinux.lds.S index ab7b43990857..87d24cc824b6 100644 --- a/arch/parisc/boot/compressed/vmlinux.lds.S +++ b/arch/parisc/boot/compressed/vmlinux.lds.S @@ -90,6 +90,7 @@ SECTIONS /* Sections to be discarded */ DISCARDS /DISCARD/ : { + *(.modinfo) #ifdef CONFIG_64BIT /* temporary hack until binutils is fixed to not emit these * for static binaries diff --git a/arch/parisc/configs/generic-32bit_defconfig b/arch/parisc/configs/generic-32bit_defconfig index 5444ce6405f3..3572a32f7849 100644 --- a/arch/parisc/configs/generic-32bit_defconfig +++ b/arch/parisc/configs/generic-32bit_defconfig @@ -78,7 +78,6 @@ CONFIG_DUMMY=m CONFIG_TUN=m # CONFIG_NET_VENDOR_3COM is not set # CONFIG_NET_VENDOR_ADAPTEC is not set -# CONFIG_NET_VENDOR_ALTEON is not set # CONFIG_NET_VENDOR_AMD is not set # CONFIG_NET_VENDOR_ATHEROS is not set # CONFIG_NET_VENDOR_BROADCOM is not set @@ -259,7 +258,6 @@ CONFIG_CRYPTO_SERPENT=m CONFIG_CRYPTO_TWOFISH=m CONFIG_CRYPTO_HMAC=y CONFIG_CRYPTO_MD5=y -CONFIG_CRYPTO_MICHAEL_MIC=m CONFIG_CRYPTO_SHA1=y CONFIG_CRYPTO_WP512=m CONFIG_CRYPTO_DEFLATE=y diff --git a/arch/parisc/configs/generic-64bit_defconfig b/arch/parisc/configs/generic-64bit_defconfig index ce91f9d1fdbf..406f8174a1d2 100644 --- a/arch/parisc/configs/generic-64bit_defconfig +++ b/arch/parisc/configs/generic-64bit_defconfig @@ -97,7 +97,6 @@ CONFIG_NETCONSOLE_DYNAMIC=y CONFIG_TUN=y # CONFIG_NET_VENDOR_3COM is not set # CONFIG_NET_VENDOR_ADAPTEC is not set -# CONFIG_NET_VENDOR_ALTEON is not set # CONFIG_NET_VENDOR_AMD is not set # CONFIG_NET_VENDOR_ATHEROS is not set # CONFIG_NET_VENDOR_BROADCOM is not set @@ -282,12 +281,9 @@ CONFIG_NLS_ASCII=m CONFIG_NLS_ISO8859_1=m CONFIG_NLS_ISO8859_2=m CONFIG_NLS_UTF8=m -CONFIG_CRYPTO_FCRYPT=m CONFIG_CRYPTO_ECB=m -CONFIG_CRYPTO_PCBC=m CONFIG_CRYPTO_MD4=m CONFIG_CRYPTO_MD5=y -CONFIG_CRYPTO_MICHAEL_MIC=m CONFIG_CRYPTO_DEFLATE=m # CONFIG_CRYPTO_HW is not set CONFIG_PRINTK_TIME=y diff --git a/arch/parisc/include/asm/Kbuild b/arch/parisc/include/asm/Kbuild index 4fb596d94c89..d48d158f7241 100644 --- a/arch/parisc/include/asm/Kbuild +++ b/arch/parisc/include/asm/Kbuild @@ -4,4 +4,5 @@ generated-y += syscall_table_64.h generic-y += agp.h generic-y += kvm_para.h generic-y += mcs_spinlock.h +generic-y += ring_buffer.h generic-y += user.h diff --git a/arch/parisc/include/asm/checksum.h b/arch/parisc/include/asm/checksum.h index 2aceebcd695c..382758808726 100644 --- a/arch/parisc/include/asm/checksum.h +++ b/arch/parisc/include/asm/checksum.h @@ -4,73 +4,7 @@ #include <linux/in6.h> -/* - * computes the checksum of a memory block at buff, length len, - * and adds in "sum" (32-bit) - * - * returns a 32-bit number suitable for feeding into itself - * or csum_tcpudp_magic - * - * this function must be called with even lengths, except - * for the last fragment, which may be odd - * - * it's best to have buff aligned on a 32-bit boundary - */ -extern __wsum csum_partial(const void *, int, __wsum); - -/* - * Optimized for IP headers, which always checksum on 4 octet boundaries. - * - * Written by Randolph Chung <tausq@debian.org>, and then mucked with by - * LaMont Jones <lamont@debian.org> - */ -static inline __sum16 ip_fast_csum(const void *iph, unsigned int ihl) -{ - unsigned int sum; - unsigned long t0, t1, t2; - - __asm__ __volatile__ ( -" ldws,ma 4(%1), %0\n" -" addib,<= -4, %2, 2f\n" -"\n" -" ldws 4(%1), %4\n" -" ldws 8(%1), %5\n" -" add %0, %4, %0\n" -" ldws,ma 12(%1), %3\n" -" addc %0, %5, %0\n" -" addc %0, %3, %0\n" -"1: ldws,ma 4(%1), %3\n" -" addib,> -1, %2, 1b\n" -" addc %0, %3, %0\n" -"\n" -" extru %0, 31, 16, %4\n" -" extru %0, 15, 16, %5\n" -" addc %4, %5, %0\n" -" extru %0, 15, 16, %5\n" -" add %0, %5, %0\n" -" subi -1, %0, %0\n" -"2:\n" - : "=r" (sum), "=r" (iph), "=r" (ihl), "=r" (t0), "=r" (t1), "=r" (t2) - : "1" (iph), "2" (ihl) - : "memory"); - - return (__force __sum16)sum; -} - -/* - * Fold a partial checksum - */ -static inline __sum16 csum_fold(__wsum csum) -{ - u32 sum = (__force u32)csum; - /* add the swapped two 16-bit halves of sum, - a possible carry from adding the two 16-bit halves, - will carry from the lower half into the upper half, - giving us the correct sum in the upper half. */ - sum += (sum << 16) + (sum >> 16); - return (__force __sum16)(~sum >> 16); -} - +#define csum_tcpudp_nofold csum_tcpudp_nofold static inline __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr, __u32 len, __u8 proto, __wsum sum) @@ -85,26 +19,7 @@ static inline __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr, return sum; } -/* - * computes the checksum of the TCP/UDP pseudo-header - * returns a 16-bit checksum, already complemented - */ -static inline __sum16 csum_tcpudp_magic(__be32 saddr, __be32 daddr, - __u32 len, __u8 proto, - __wsum sum) -{ - return csum_fold(csum_tcpudp_nofold(saddr,daddr,len,proto,sum)); -} - -/* - * this routine is used for miscellaneous IP-like checksums, mainly - * in icmp.c - */ -static inline __sum16 ip_compute_csum(const void *buf, int len) -{ - return csum_fold (csum_partial(buf, len, 0)); -} - +#include <asm-generic/checksum.h> #define _HAVE_ARCH_IPV6_CSUM static __inline__ __sum16 csum_ipv6_magic(const struct in6_addr *saddr, diff --git a/arch/parisc/include/asm/compat.h b/arch/parisc/include/asm/compat.h index 339d1b833fa7..13a5a55dec65 100644 --- a/arch/parisc/include/asm/compat.h +++ b/arch/parisc/include/asm/compat.h @@ -130,7 +130,7 @@ typedef compat_ulong_t compat_elf_gregset_t[COMPAT_ELF_NGREG]; static inline int __is_compat_task(struct task_struct *t) { - return test_tsk_thread_flag(t, TIF_32BIT); + return IS_ENABLED(CONFIG_COMPAT) && test_tsk_thread_flag(t, TIF_32BIT); } static inline int is_compat_task(void) diff --git a/arch/parisc/include/asm/compat_ucontext.h b/arch/parisc/include/asm/compat_ucontext.h deleted file mode 100644 index c606f1bc891d..000000000000 --- a/arch/parisc/include/asm/compat_ucontext.h +++ /dev/null @@ -1,18 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _ASM_PARISC_COMPAT_UCONTEXT_H -#define _ASM_PARISC_COMPAT_UCONTEXT_H - -#include <linux/compat.h> - -/* 32-bit ucontext as seen from an 64-bit kernel */ -struct compat_ucontext { - compat_uint_t uc_flags; - compat_uptr_t uc_link; - compat_stack_t uc_stack; /* struct compat_sigaltstack (12 bytes)*/ - /* FIXME: Pad out to get uc_mcontext to start at an 8-byte aligned boundary */ - compat_uint_t pad[1]; - struct compat_sigcontext uc_mcontext; - compat_sigset_t uc_sigmask; /* mask last for extensibility */ -}; - -#endif /* !_ASM_PARISC_COMPAT_UCONTEXT_H */ diff --git a/arch/parisc/include/asm/hardware.h b/arch/parisc/include/asm/hardware.h index a005ebc54779..a797c8753f29 100644 --- a/arch/parisc/include/asm/hardware.h +++ b/arch/parisc/include/asm/hardware.h @@ -2,7 +2,7 @@ #ifndef _PARISC_HARDWARE_H #define _PARISC_HARDWARE_H -#include <linux/mod_devicetable.h> +#include <linux/device-id/parisc.h> #define HWTYPE_ANY_ID PA_HWTYPE_ANY_ID #define HVERSION_ANY_ID PA_HVERSION_ANY_ID @@ -95,8 +95,6 @@ struct bc_module { #define HPHW_MC 15 #define HPHW_FAULTY 31 -struct parisc_device_id; - /* hardware.c: */ extern const char *parisc_hardware_description(struct parisc_device_id *id); extern enum cpu_type parisc_get_cpu_type(unsigned long hversion); diff --git a/arch/parisc/include/asm/page.h b/arch/parisc/include/asm/page.h index 8f4e51071ea1..3630b36d07da 100644 --- a/arch/parisc/include/asm/page.h +++ b/arch/parisc/include/asm/page.h @@ -21,7 +21,6 @@ struct vm_area_struct; void clear_page_asm(void *page); void copy_page_asm(void *to, void *from); -#define clear_user_page(vto, vaddr, page) clear_page_asm(vto) void copy_user_highpage(struct page *to, struct page *from, unsigned long vaddr, struct vm_area_struct *vma); #define __HAVE_ARCH_COPY_USER_HIGHPAGE diff --git a/arch/parisc/include/asm/parisc-device.h b/arch/parisc/include/asm/parisc-device.h index 9e74cef4d774..4731420e55ad 100644 --- a/arch/parisc/include/asm/parisc-device.h +++ b/arch/parisc/include/asm/parisc-device.h @@ -3,6 +3,7 @@ #define _ASM_PARISC_PARISC_DEVICE_H_ #include <linux/device.h> +#include <linux/device-id/parisc.h> struct parisc_device { struct resource hpa; /* Hard Physical Address */ diff --git a/arch/parisc/include/asm/pdcpat.h b/arch/parisc/include/asm/pdcpat.h index 84ac81b1adde..ec97eefa4ef6 100644 --- a/arch/parisc/include/asm/pdcpat.h +++ b/arch/parisc/include/asm/pdcpat.h @@ -179,6 +179,7 @@ #define PDC_PAT_PD 74L /* Protection Domain Info */ #define PDC_PAT_PD_GET_ADDR_MAP 0L /* Get Address Map */ #define PDC_PAT_PD_GET_PDC_INTERF_REV 1L /* Get PDC Interface Revisions */ +#define PDC_PAT_PD_GET_PLATFORM_COUNTER 10L /* Get 64-bit free running counter */ #define PDC_PAT_CAPABILITY_BIT_PDC_SERIALIZE (1UL << 0) #define PDC_PAT_CAPABILITY_BIT_PDC_POLLING (1UL << 1) @@ -373,9 +374,11 @@ extern int pdc_pat_pd_get_addr_map(unsigned long *actual_len, void *mem_addr, unsigned long count, unsigned long offset); extern int pdc_pat_pd_get_pdc_revisions(unsigned long *legacy_rev, unsigned long *pat_rev, unsigned long *pdc_cap); +extern int pdc_pat_pd_get_platform_counter(uint64_t **addr, + unsigned long *freq, unsigned long *uniq); -extern int pdc_pat_io_pci_cfg_read(unsigned long pci_addr, int pci_size, u32 *val); -extern int pdc_pat_io_pci_cfg_write(unsigned long pci_addr, int pci_size, u32 val); +extern int pdc_pat_io_pci_cfg_read(unsigned long pci_addr, int pci_size, u32 *val); +extern int pdc_pat_io_pci_cfg_write(unsigned long pci_addr, int pci_size, u32 val); extern int pdc_pat_mem_pdt_info(struct pdc_pat_mem_retinfo *rinfo); extern int pdc_pat_mem_pdt_cell_info(struct pdc_pat_mem_cell_pdt_retinfo *rinfo, diff --git a/arch/parisc/include/asm/pgtable.h b/arch/parisc/include/asm/pgtable.h index 2c139a4dbf4b..467b8547ac8b 100644 --- a/arch/parisc/include/asm/pgtable.h +++ b/arch/parisc/include/asm/pgtable.h @@ -85,7 +85,7 @@ extern void __update_cache(pte_t pte); printk("%s:%d: bad pgd %08lx.\n", __FILE__, __LINE__, (unsigned long)pgd_val(e)) /* This is the size of the initially mapped kernel memory */ -#if defined(CONFIG_64BIT) +#if defined(CONFIG_64BIT) || defined(CONFIG_KALLSYMS) #define KERNEL_INITIAL_ORDER 26 /* 1<<26 = 64MB */ #else #define KERNEL_INITIAL_ORDER 25 /* 1<<25 = 32MB */ @@ -262,17 +262,6 @@ extern pgd_t swapper_pg_dir[]; /* declared in init_task.c */ extern pte_t pg0[]; -/* zero page used for uninitialized stuff */ - -extern unsigned long *empty_zero_page; - -/* - * ZERO_PAGE is a global shared page that is always zero: used - * for zero-mapped memory areas etc.. - */ - -#define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page)) - #define pte_none(x) (pte_val(x) == 0) #define pte_present(x) (pte_val(x) & _PAGE_PRESENT) #define pte_user(x) (pte_val(x) & _PAGE_USER) @@ -449,19 +438,20 @@ static inline pte_t ptep_get(pte_t *ptep) } #define ptep_get ptep_get -static inline int ptep_test_and_clear_young(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep) +static inline bool ptep_test_and_clear_young(struct vm_area_struct *vma, + unsigned long addr, pte_t *ptep) { pte_t pte; pte = ptep_get(ptep); if (!pte_young(pte)) { - return 0; + return false; } set_pte_at(vma->vm_mm, addr, ptep, pte_mkold(pte)); - return 1; + return true; } -int ptep_clear_flush_young(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep); +bool ptep_clear_flush_young(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep); pte_t ptep_clear_flush(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep); struct mm_struct; diff --git a/arch/parisc/include/asm/ptrace.h b/arch/parisc/include/asm/ptrace.h index eea3f3df0823..5e1f52b3922d 100644 --- a/arch/parisc/include/asm/ptrace.h +++ b/arch/parisc/include/asm/ptrace.h @@ -7,6 +7,7 @@ #include <asm/assembly.h> #include <uapi/asm/ptrace.h> +#include <linux/compiler.h> #define task_regs(task) ((struct pt_regs *) ((char *)(task) + TASK_REGS)) diff --git a/arch/parisc/include/asm/serial.h b/arch/parisc/include/asm/serial.h deleted file mode 100644 index 77e9b67c87ee..000000000000 --- a/arch/parisc/include/asm/serial.h +++ /dev/null @@ -1,8 +0,0 @@ -/* - * include/asm-parisc/serial.h - */ - -/* - * This is used for 16550-compatible UARTs - */ -#define BASE_BAUD ( 1843200 / 16 ) diff --git a/arch/parisc/include/asm/thread_info.h b/arch/parisc/include/asm/thread_info.h index b283738bb6da..249370706242 100644 --- a/arch/parisc/include/asm/thread_info.h +++ b/arch/parisc/include/asm/thread_info.h @@ -24,7 +24,7 @@ struct thread_info { /* thread information allocation */ -#ifdef CONFIG_IRQSTACKS +#if defined(CONFIG_IRQSTACKS) && !defined(CONFIG_64BIT) #define THREAD_SIZE_ORDER 2 /* PA-RISC requires at least 16k stack */ #else #define THREAD_SIZE_ORDER 3 /* PA-RISC requires at least 32k stack */ diff --git a/arch/parisc/include/asm/timex.h b/arch/parisc/include/asm/timex.h index b4622cb06a75..453468ba4e3a 100644 --- a/arch/parisc/include/asm/timex.h +++ b/arch/parisc/include/asm/timex.h @@ -9,8 +9,6 @@ #include <asm/special_insns.h> -#define CLOCK_TICK_RATE 1193180 /* Underlying HZ */ - typedef unsigned long cycles_t; static inline cycles_t get_cycles(void) diff --git a/arch/parisc/include/asm/tlb.h b/arch/parisc/include/asm/tlb.h index 44235f367674..4501fee0a8fa 100644 --- a/arch/parisc/include/asm/tlb.h +++ b/arch/parisc/include/asm/tlb.h @@ -5,8 +5,8 @@ #include <asm-generic/tlb.h> #if CONFIG_PGTABLE_LEVELS == 3 -#define __pmd_free_tlb(tlb, pmd, addr) pmd_free((tlb)->mm, pmd) +#define __pmd_free_tlb(tlb, pmd, addr) tlb_remove_ptdesc((tlb), virt_to_ptdesc(pmd)) #endif -#define __pte_free_tlb(tlb, pte, addr) pte_free((tlb)->mm, pte) +#define __pte_free_tlb(tlb, pte, addr) tlb_remove_ptdesc((tlb), page_ptdesc(pte)) #endif diff --git a/arch/parisc/include/asm/uaccess.h b/arch/parisc/include/asm/uaccess.h index 6c531d2c847e..0d17f81c8b27 100644 --- a/arch/parisc/include/asm/uaccess.h +++ b/arch/parisc/include/asm/uaccess.h @@ -197,7 +197,6 @@ unsigned long __must_check raw_copy_to_user(void __user *dst, const void *src, unsigned long len); unsigned long __must_check raw_copy_from_user(void *dst, const void __user *src, unsigned long len); -#define INLINE_COPY_TO_USER -#define INLINE_COPY_FROM_USER +#define INLINE_COPY_USER #endif /* __PARISC_UACCESS_H */ diff --git a/arch/parisc/include/asm/vdso.h b/arch/parisc/include/asm/vdso.h index 81bc1d42802a..e5cca3c9c8e7 100644 --- a/arch/parisc/include/asm/vdso.h +++ b/arch/parisc/include/asm/vdso.h @@ -6,11 +6,14 @@ #ifdef CONFIG_64BIT #include <generated/vdso64-offsets.h> +#define VDSO64_SYMBOL(tsk, name) ((tsk)->mm->context.vdso_base + (vdso64_offset_##name)) #endif +#if !defined(CONFIG_64BIT) || defined(CONFIG_COMPAT) #include <generated/vdso32-offsets.h> - -#define VDSO64_SYMBOL(tsk, name) ((tsk)->mm->context.vdso_base + (vdso64_offset_##name)) #define VDSO32_SYMBOL(tsk, name) ((tsk)->mm->context.vdso_base + (vdso32_offset_##name)) +#else +#define VDSO32_SYMBOL(tsk, name) 0UL +#endif #endif /* __ASSEMBLER__ */ diff --git a/arch/parisc/include/uapi/asm/errno.h b/arch/parisc/include/uapi/asm/errno.h index 8d94739d75c6..93194fbb0a80 100644 --- a/arch/parisc/include/uapi/asm/errno.h +++ b/arch/parisc/include/uapi/asm/errno.h @@ -36,6 +36,7 @@ #define EDOTDOT 66 /* RFS specific error */ #define EBADMSG 67 /* Not a data message */ +#define EFSBADCRC EBADMSG /* Bad CRC detected */ #define EUSERS 68 /* Too many users */ #define EDQUOT 69 /* Quota exceeded */ #define ESTALE 70 /* Stale file handle */ @@ -62,6 +63,7 @@ #define ERESTART 175 /* Interrupted system call should be restarted */ #define ESTRPIPE 176 /* Streams pipe error */ #define EUCLEAN 177 /* Structure needs cleaning */ +#define EFSCORRUPTED EUCLEAN /* Filesystem is corrupted */ #define ENOTNAM 178 /* Not a XENIX named type file */ #define ENAVAIL 179 /* No XENIX semaphores available */ #define EISNAM 180 /* Is a named type file */ @@ -122,4 +124,6 @@ #define EHWPOISON 257 /* Memory page has hardware error */ +#define EFTYPE 258 /* Wrong file type for the intended operation */ + #endif diff --git a/arch/parisc/include/uapi/asm/fcntl.h b/arch/parisc/include/uapi/asm/fcntl.h index 03dee816cb13..2e1bb18eefb8 100644 --- a/arch/parisc/include/uapi/asm/fcntl.h +++ b/arch/parisc/include/uapi/asm/fcntl.h @@ -2,23 +2,23 @@ #ifndef _PARISC_FCNTL_H #define _PARISC_FCNTL_H -#define O_APPEND 000000010 -#define O_CREAT 000000400 /* not fcntl */ -#define O_EXCL 000002000 /* not fcntl */ -#define O_LARGEFILE 000004000 -#define __O_SYNC 000100000 +#define O_APPEND (1 << 3) +#define O_CREAT (1 << 8) /* not fcntl */ +#define O_EXCL (1 << 10) /* not fcntl */ +#define O_LARGEFILE (1 << 11) +#define __O_SYNC (1 << 15) #define O_SYNC (__O_SYNC|O_DSYNC) -#define O_NONBLOCK 000200000 -#define O_NOCTTY 000400000 /* not fcntl */ -#define O_DSYNC 001000000 -#define O_NOATIME 004000000 -#define O_CLOEXEC 010000000 /* set close_on_exec */ +#define O_NONBLOCK (1 << 16) +#define O_NOCTTY (1 << 17) /* not fcntl */ +#define O_DSYNC (1 << 18) +#define O_NOATIME (1 << 20) +#define O_CLOEXEC (1 << 21) /* set close_on_exec */ -#define O_DIRECTORY 000010000 /* must be a directory */ -#define O_NOFOLLOW 000000200 /* don't follow links */ +#define O_DIRECTORY (1 << 12) /* must be a directory */ +#define O_NOFOLLOW (1 << 7) /* don't follow links */ -#define O_PATH 020000000 -#define __O_TMPFILE 040000000 +#define O_PATH (1 << 22) +#define __O_TMPFILE (1 << 23) #define F_GETLK64 8 #define F_SETLK64 9 diff --git a/arch/parisc/include/uapi/asm/socket.h b/arch/parisc/include/uapi/asm/socket.h index c16ec36dfee6..f3a3815c7dc2 100644 --- a/arch/parisc/include/uapi/asm/socket.h +++ b/arch/parisc/include/uapi/asm/socket.h @@ -147,6 +147,8 @@ #define SO_INQ 0x4052 #define SCM_INQ SO_INQ +#define SO_RIGHTS_NOTRUNC 0x4053 + #if !defined(__KERNEL__) #if __BITS_PER_LONG == 64 diff --git a/arch/parisc/kernel/Makefile b/arch/parisc/kernel/Makefile index 9157bc8bdf41..49f937c2abbe 100644 --- a/arch/parisc/kernel/Makefile +++ b/arch/parisc/kernel/Makefile @@ -46,5 +46,9 @@ obj-$(CONFIG_KEXEC_FILE) += kexec_file.o # vdso obj-y += vdso.o -obj-$(CONFIG_64BIT) += vdso64/ +ifdef CONFIG_64BIT +obj-y += vdso64/ +obj-$(CONFIG_COMPAT) += vdso32/ +else obj-y += vdso32/ +endif diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c index 4c5240d3a3c7..98200b6b5b82 100644 --- a/arch/parisc/kernel/cache.c +++ b/arch/parisc/kernel/cache.c @@ -503,7 +503,7 @@ void flush_dcache_folio(struct folio *folio) * on machines that support equivalent aliasing */ flush_dcache_mmap_lock_irqsave(mapping, flags); - vma_interval_tree_foreach(vma, &mapping->i_mmap, pgoff, pgoff + nr - 1) { + mapping_rmap_tree_foreach(vma, mapping, pgoff, pgoff + nr - 1) { unsigned long offset = pgoff - vma->vm_pgoff; unsigned long pfn = folio_pfn(folio); @@ -781,18 +781,18 @@ void flush_anon_page(struct vm_area_struct *vma, struct page *page, unsigned lon __flush_cache_page(vma, vmaddr, PFN_PHYS(page_to_pfn(page))); } -int ptep_clear_flush_young(struct vm_area_struct *vma, unsigned long addr, - pte_t *ptep) +bool ptep_clear_flush_young(struct vm_area_struct *vma, + unsigned long addr, pte_t *ptep) { pte_t pte = ptep_get(ptep); if (!pte_young(pte)) - return 0; + return false; set_pte(ptep, pte_mkold(pte)); #if CONFIG_FLUSH_PAGE_ACCESSED __flush_cache_page(vma, addr, PFN_PHYS(pte_pfn(pte))); #endif - return 1; + return true; } /* @@ -953,7 +953,7 @@ SYSCALL_DEFINE3(cacheflush, unsigned long, addr, unsigned long, bytes, #else "1: cmpb,<<,n %0,%2,1b\n" #endif - " fic,m %3(%4,%0)\n" + " fdc,m %3(%4,%0)\n" "2: sync\n" ASM_EXCEPTIONTABLE_ENTRY_EFAULT(1b, 2b, "%1") : "+r" (start), "+r" (error) @@ -968,7 +968,7 @@ SYSCALL_DEFINE3(cacheflush, unsigned long, addr, unsigned long, bytes, #else "1: cmpb,<<,n %0,%2,1b\n" #endif - " fdc,m %3(%4,%0)\n" + " fic,m %3(%4,%0)\n" "2: sync\n" ASM_EXCEPTIONTABLE_ENTRY_EFAULT(1b, 2b, "%1") : "+r" (start), "+r" (error) diff --git a/arch/parisc/kernel/drivers.c b/arch/parisc/kernel/drivers.c index 8d23fe42b0ce..b52ad704ec8a 100644 --- a/arch/parisc/kernel/drivers.c +++ b/arch/parisc/kernel/drivers.c @@ -41,9 +41,7 @@ const struct dma_map_ops *hppa_dma_ops __ro_after_init; EXPORT_SYMBOL(hppa_dma_ops); -static struct device root = { - .init_name = "parisc", -}; +static struct device *root; static inline int check_dev(struct device *dev) { @@ -89,7 +87,7 @@ static int for_each_padev(int (*fn)(struct device *, void *), void * data) .obj = data, .fn = fn, }; - return device_for_each_child(&root, &recurse_data, descend_children); + return device_for_each_child(root, &recurse_data, descend_children); } /** @@ -290,7 +288,7 @@ const struct parisc_device * find_pa_parent_type(const struct parisc_device *padev, int type) { const struct device *dev = &padev->dev; - while (dev != &root) { + while (dev != root) { struct parisc_device *candidate = to_parisc_device(dev); if (candidate->id.hw_type == type) return candidate; @@ -319,7 +317,7 @@ static void get_node_path(struct device *dev, struct hardware_path *path) dev = dev->parent; } - while (dev != &root) { + while (dev != root) { if (dev_is_pci(dev)) { unsigned int devfn = to_pci_dev(dev)->devfn; path->bc[i--] = PCI_SLOT(devfn) | (PCI_FUNC(devfn)<< 5); @@ -418,7 +416,7 @@ static void setup_bus_id(struct parisc_device *padev) static struct parisc_device * __init create_tree_node(char id, struct device *parent) { - struct parisc_device *dev = kzalloc(sizeof(*dev), GFP_KERNEL); + struct parisc_device *dev = kzalloc_obj(*dev); if (!dev) return NULL; @@ -435,7 +433,7 @@ static struct parisc_device * __init create_tree_node(char id, dev->dev.dma_mask = &dev->dma_mask; dev->dev.coherent_dma_mask = dev->dma_mask; if (device_register(&dev->dev)) { - kfree(dev); + put_device(&dev->dev); return NULL; } @@ -482,7 +480,7 @@ static struct parisc_device * __init alloc_tree_node( static struct parisc_device *create_parisc_device(struct hardware_path *modpath) { int i; - struct device *parent = &root; + struct device *parent = root; for (i = 0; i < 6; i++) { if (modpath->bc[i] == -1) continue; @@ -755,7 +753,7 @@ parse_tree_node(struct device *parent, int index, struct hardware_path *modpath) struct device *hwpath_to_device(struct hardware_path *modpath) { int i; - struct device *parent = &root; + struct device *parent = root; for (i = 0; i < 6; i++) { if (modpath->bc[i] == -1) continue; @@ -880,7 +878,7 @@ void __init walk_central_bus(void) { walk_native_bus(CENTRAL_BUS_ADDR, CENTRAL_BUS_ADDR + (MAX_NATIVE_DEVICES * NATIVE_DEVICE_OFFSET), - &root); + root); } static __init void print_parisc_device(struct parisc_device *dev) @@ -907,23 +905,28 @@ void __init init_parisc_bus(void) { if (bus_register(&parisc_bus_type)) panic("Could not register PA-RISC bus type\n"); - if (device_register(&root)) + + root = root_device_register("parisc"); + if (IS_ERR(root)) panic("Could not register PA-RISC root device\n"); - get_device(&root); } static __init void qemu_header(void) { int num; unsigned long *p; + char name_mpe[80]; pr_info("--- cut here ---\n"); pr_info("/* AUTO-GENERATED HEADER FILE FOR SEABIOS FIRMWARE */\n"); pr_cont("/* generated with Linux kernel */\n"); pr_cont("/* search for PARISC_QEMU_MACHINE_HEADER in Linux */\n\n"); - pr_info("#define PARISC_MODEL \"%s\"\n\n", + pr_info("#define PARISC_MODEL \"%s\"\n", boot_cpu_data.pdc.sys_model_name); + strcpy(name_mpe, boot_cpu_data.pdc.sys_model_name); + pdc_model_sysmodel(OS_ID_MPEXL, name_mpe); + pr_info("#define PARISC_MODEL_MPE \"%s\"\n\n", name_mpe); #define p ((unsigned long *)&boot_cpu_data.pdc.model) pr_info("#define PARISC_PDC_MODEL 0x%lx, 0x%lx, 0x%lx, " @@ -1036,14 +1039,14 @@ static __init int qemu_print_iodc_data(struct device *lin_dev, void *data) "mod_path_hpa_%08lx = {\n", hpa); pr_cont("\t.path = { "); pr_cont(".flags = 0x%x, ", mod_path.path.flags); - pr_cont(".bc = { 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x }, ", + pr_cont(".bc = { 0x%02x, 0x%02x, 0x%02x, 0x%02x, 0x%02x, 0x%02x }, ", (unsigned char)mod_path.path.bc[0], (unsigned char)mod_path.path.bc[1], (unsigned char)mod_path.path.bc[2], (unsigned char)mod_path.path.bc[3], (unsigned char)mod_path.path.bc[4], (unsigned char)mod_path.path.bc[5]); - pr_cont(".mod = 0x%x }\n", mod_path.path.mod); + pr_cont(".mod = 0x%02x }\n", (unsigned char)mod_path.path.mod); pr_cont("};\n"); pr_info("static struct pdc_iodc iodc_data_hpa_%08lx = {\n", hpa); diff --git a/arch/parisc/kernel/firmware.c b/arch/parisc/kernel/firmware.c index 042343492a28..c35a34809743 100644 --- a/arch/parisc/kernel/firmware.c +++ b/arch/parisc/kernel/firmware.c @@ -1643,11 +1643,36 @@ int pdc_pat_pd_get_pdc_revisions(unsigned long *legacy_rev, return retval; } +/** + * pdc_pat_pd_get_platform_counter - Retrieve address of free-running 64-bit counter. + * @addr: The address of the 64-bit counter. + * @freq: The frequency of the counter, or -1 if unknown. + * @unique: Although monotonic growing, may it return the same number twice? + * + */ +int pdc_pat_pd_get_platform_counter(uint64_t **addr, + unsigned long *freq, unsigned long *unique) +{ + int retval; + unsigned long flags; + + spin_lock_irqsave(&pdc_lock, flags); + retval = mem_pdc_call(PDC_PAT_PD, PDC_PAT_PD_GET_PLATFORM_COUNTER, + __pa(pdc_result)); + if (retval == PDC_OK) { + *addr = (uint64_t *)pdc_result[0]; + *freq = pdc_result[1]; + *unique = pdc_result[2]; + } + spin_unlock_irqrestore(&pdc_lock, flags); + + return retval; +} /** * pdc_pat_io_pci_cfg_read - Read PCI configuration space. * @pci_addr: PCI configuration space address for which the read request is being made. - * @pci_size: Size of read in bytes. Valid values are 1, 2, and 4. + * @pci_size: Size of read in bytes. Valid values are 1, 2, and 4. * @mem_addr: Pointer to return memory buffer. * */ diff --git a/arch/parisc/kernel/head.S b/arch/parisc/kernel/head.S index 96e0264ac961..e84d7d6e1eb9 100644 --- a/arch/parisc/kernel/head.S +++ b/arch/parisc/kernel/head.S @@ -56,6 +56,7 @@ ENTRY(parisc_kernel_start) .import __bss_start,data .import __bss_stop,data + .import __end,data load32 PA(__bss_start),%r3 load32 PA(__bss_stop),%r4 @@ -104,6 +105,7 @@ $iodc_panic: or %r10,%r10,%r10 /* qemu idle sleep */ msg1: .ascii "Can't boot kernel which was built for PA8x00 CPUs on this machine.\r\n" msg1_end: + .align 4 $cpu_ok: #endif @@ -149,7 +151,11 @@ $cpu_ok: * everything ... it will get remapped correctly later */ ldo 0+_PAGE_KERNEL_RWX(%r0),%r3 /* Hardwired 0 phys addr start */ load32 (1<<(KERNEL_INITIAL_ORDER-PAGE_SHIFT)),%r11 /* PFN count */ - load32 PA(pg0),%r1 + load32 PA(_end),%r1 + SHRREG %r1,PAGE_SHIFT,%r1 /* %r1 is PFN count for _end symbol */ + cmpb,<<,n %r11,%r1,1f + copy %r1,%r11 /* %r1 PFN count smaller than %r11 */ +1: load32 PA(pg0),%r1 $pgt_fill_loop: STREGM %r3,ASM_PTE_ENTRY_SIZE(%r1) diff --git a/arch/parisc/kernel/inventory.c b/arch/parisc/kernel/inventory.c index 7ab2f2a54400..103f58dac948 100644 --- a/arch/parisc/kernel/inventory.c +++ b/arch/parisc/kernel/inventory.c @@ -193,7 +193,7 @@ pat_query_module(ulong pcell_loc, ulong mod_index) long status; /* PDC return value status */ struct parisc_device *dev; - pa_pdc_cell = kmalloc(sizeof (*pa_pdc_cell), GFP_KERNEL); + pa_pdc_cell = kmalloc_obj(*pa_pdc_cell); if (!pa_pdc_cell) panic("couldn't allocate memory for PDC_PAT_CELL!"); @@ -207,6 +207,19 @@ pat_query_module(ulong pcell_loc, ulong mod_index) return status; } +#ifdef DEBUG_PAT + pr_debug("PAT INDEX: %lu: cba 0x%lx, " + "mod_info 0x%lx, mod_location 0x%lx, " + "mod: 0x%lx 0x%lx 0x%lx 0x%lx 0x%lx 0x%lx " + "0x%lx 0x%lx 0x%lx 0x%lx 0x%lx 0x%lx\n", + mod_index + 1, pa_pdc_cell->cba, + pa_pdc_cell->mod_info, pa_pdc_cell->mod_location, + pa_pdc_cell->mod[0], pa_pdc_cell->mod[1], pa_pdc_cell->mod[2], + pa_pdc_cell->mod[3], pa_pdc_cell->mod[4], pa_pdc_cell->mod[5], + pa_pdc_cell->mod[6], pa_pdc_cell->mod[7], pa_pdc_cell->mod[8], + pa_pdc_cell->mod[9], pa_pdc_cell->mod[10], pa_pdc_cell->mod[11]); +#endif + temp = pa_pdc_cell->cba; dev = alloc_pa_dev(PAT_GET_CBA(temp), &(pa_pdc_cell->mod_path)); if (!dev) { @@ -523,7 +536,7 @@ add_system_map_addresses(struct parisc_device *dev, int num_addrs, long status; struct pdc_system_map_addr_info addr_result; - dev->addr = kmalloc_array(num_addrs, sizeof(*dev->addr), GFP_KERNEL); + dev->addr = kmalloc_objs(*dev->addr, num_addrs); if(!dev->addr) { printk(KERN_ERR "%s %s(): memory allocation failure\n", __FILE__, __func__); diff --git a/arch/parisc/kernel/pci.c b/arch/parisc/kernel/pci.c index cf285b17a5ae..b8007c7400d4 100644 --- a/arch/parisc/kernel/pci.c +++ b/arch/parisc/kernel/pci.c @@ -8,6 +8,7 @@ * Copyright (C) 1999-2001 Hewlett-Packard Company * Copyright (C) 1999-2001 Grant Grundler */ +#include <linux/align.h> #include <linux/eisa.h> #include <linux/init.h> #include <linux/module.h> @@ -196,9 +197,12 @@ void __ref pcibios_init_bridge(struct pci_dev *dev) * than res->start. */ resource_size_t pcibios_align_resource(void *data, const struct resource *res, - resource_size_t size, resource_size_t alignment) + const struct resource *empty_res, + resource_size_t size, + resource_size_t alignment) { - resource_size_t mask, align, start = res->start; + struct pci_dev *dev = data; + resource_size_t align, start = res->start; DBG_RES("pcibios_align_resource(%s, (%p) [%lx,%lx]/%x, 0x%lx, 0x%lx)\n", pci_name(((struct pci_dev *) data)), @@ -207,11 +211,10 @@ resource_size_t pcibios_align_resource(void *data, const struct resource *res, /* If it's not IO, then it's gotta be MEM */ align = (res->flags & IORESOURCE_IO) ? PCIBIOS_MIN_IO : PCIBIOS_MIN_MEM; - - /* Align to largest of MIN or input size */ - mask = max(alignment, align) - 1; - start += mask; - start &= ~mask; + if (align > alignment) + start = ALIGN(start, align); + else + start = pci_align_resource(dev, res, empty_res, size, alignment); return start; } diff --git a/arch/parisc/kernel/process.c b/arch/parisc/kernel/process.c index e64ab5d2a40d..703644e5bfc4 100644 --- a/arch/parisc/kernel/process.c +++ b/arch/parisc/kernel/process.c @@ -85,6 +85,9 @@ void machine_restart(char *cmd) #endif /* set up a new led state on systems shipped with a LED State panel */ pdc_chassis_send_status(PDC_CHASSIS_DIRECT_SHUTDOWN); + + /* prevent interrupts during reboot */ + set_eiem(0); /* "Normal" system reset */ pdc_do_reset(); diff --git a/arch/parisc/kernel/processor.c b/arch/parisc/kernel/processor.c index bf73562706b2..d09be22babdb 100644 --- a/arch/parisc/kernel/processor.c +++ b/arch/parisc/kernel/processor.c @@ -3,7 +3,7 @@ * Initial setup-routines for HP 9000 based hardware. * * Copyright (C) 1991, 1992, 1995 Linus Torvalds - * Modifications for PA-RISC (C) 1999-2008 Helge Deller <deller@gmx.de> + * Modifications for PA-RISC (C) 1999-2026 Helge Deller <deller@gmx.de> * Modifications copyright 1999 SuSE GmbH (Philipp Rumpf) * Modifications copyright 2000 Martin K. Petersen <mkp@mkp.net> * Modifications copyright 2000 Philipp Rumpf <prumpf@tux.org> @@ -41,7 +41,7 @@ EXPORT_SYMBOL(_parisc_requires_coherency); DEFINE_PER_CPU(struct cpuinfo_parisc, cpu_data); /* -** PARISC CPU driver - claim "device" and initialize CPU data structures. +** PARISC CPU driver - claim "device" and initialize CPU data structures. ** ** Consolidate per CPU initialization into (mostly) one module. ** Monarch CPU will initialize boot_cpu_data which shouldn't @@ -74,8 +74,8 @@ init_percpu_prof(unsigned long cpunum) * processor_probe - Determine if processor driver should claim this device. * @dev: The device which has been found. * - * Determine if processor driver should claim this chip (return 0) or not - * (return 1). If so, initialize the chip and tell other partners in crime + * Determine if processor driver should claim this chip (return 0) or not + * (return 1). If so, initialize the chip and tell other partners in crime * they have work to do. */ static int __init processor_probe(struct parisc_device *dev) @@ -110,7 +110,7 @@ static int __init processor_probe(struct parisc_device *dev) unsigned long bytecnt; pdc_pat_cell_mod_maddr_block_t *pa_pdc_cell; - pa_pdc_cell = kmalloc(sizeof (*pa_pdc_cell), GFP_KERNEL); + pa_pdc_cell = kmalloc_obj(*pa_pdc_cell); if (!pa_pdc_cell) panic("couldn't allocate memory for PDC_PAT_CELL!"); @@ -207,7 +207,7 @@ static int __init processor_probe(struct parisc_device *dev) } #endif - /* + /* * Bring this CPU up now! (ignore bootstrap cpuid == 0) */ #ifdef CONFIG_SMP @@ -241,9 +241,10 @@ void __init collect_boot_cpu_data(void) /* get CPU-Model Information... */ #define p ((unsigned long *)&boot_cpu_data.pdc.model) if (pdc_model_info(&boot_cpu_data.pdc.model) == PDC_OK) { - printk(KERN_INFO - "model %08lx %08lx %08lx %08lx %08lx %08lx %08lx %08lx %08lx %08lx\n", - p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7], p[8], p[9]); + pr_info("model 0x%04lx 0x%04lx 0x%04lx 0x%04lx 0x%04lx " + "0x%04lx 0x%04lx 0x%04lx 0x%04lx 0x%04lx\n", + p[0], p[1], p[2], p[3], p[4], + p[5], p[6], p[7], p[8], p[9]); add_device_randomness(&boot_cpu_data.pdc.model, sizeof(boot_cpu_data.pdc.model)); @@ -251,15 +252,14 @@ void __init collect_boot_cpu_data(void) #undef p if (pdc_model_versions(&boot_cpu_data.pdc.versions, 0) == PDC_OK) { - printk(KERN_INFO "vers %08lx\n", - boot_cpu_data.pdc.versions); + pr_info("vers 0x%04lx\n", boot_cpu_data.pdc.versions); add_device_randomness(&boot_cpu_data.pdc.versions, sizeof(boot_cpu_data.pdc.versions)); } if (pdc_model_cpuid(&boot_cpu_data.pdc.cpuid) == PDC_OK) { - printk(KERN_INFO "CPUID vers %ld rev %ld (0x%08lx)\n", + pr_info("CPUID vers %ld rev %ld (0x%04lx)\n", (boot_cpu_data.pdc.cpuid >> 5) & 127, boot_cpu_data.pdc.cpuid & 31, boot_cpu_data.pdc.cpuid); @@ -437,8 +437,8 @@ show_cpuinfo (struct seq_file *m, void *v) boot_cpu_data.pdc.sys_model_name, cpu_name); - seq_printf(m, "hversion\t: 0x%08x\n" - "sversion\t: 0x%08x\n", + seq_printf(m, "hversion\t: 0x%04x\n" + "sversion\t: 0x%04x\n", boot_cpu_data.hversion, boot_cpu_data.sversion ); diff --git a/arch/parisc/kernel/ptrace.c b/arch/parisc/kernel/ptrace.c index 8a17ab7e6e0b..1d9e210702e1 100644 --- a/arch/parisc/kernel/ptrace.c +++ b/arch/parisc/kernel/ptrace.c @@ -326,7 +326,7 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request, long do_syscall_trace_enter(struct pt_regs *regs) { if (test_thread_flag(TIF_SYSCALL_TRACE)) { - int rc = ptrace_report_syscall_entry(regs); + bool permit = ptrace_report_syscall_permit_entry(regs); /* * As tracesys_next does not set %r28 to -ENOSYS @@ -334,12 +334,10 @@ long do_syscall_trace_enter(struct pt_regs *regs) */ regs->gr[28] = -ENOSYS; - if (rc) { + if (!permit) { /* - * A nonzero return code from - * ptrace_report_syscall_entry() tells us - * to prevent the syscall execution. Skip - * the syscall call and the syscall restart handling. + * Skip the syscall call and the syscall restart + * handling. * * Note that the tracer may also just change * regs->gr[20] to an invalid syscall number, @@ -351,7 +349,7 @@ long do_syscall_trace_enter(struct pt_regs *regs) } /* Do the secure computing check after ptrace. */ - if (secure_computing() == -1) + if (!seccomp_permit_syscall()) return -1; #ifdef CONFIG_HAVE_SYSCALL_TRACEPOINTS diff --git a/arch/parisc/kernel/setup.c b/arch/parisc/kernel/setup.c index ace483b6f19a..4d3015a411d6 100644 --- a/arch/parisc/kernel/setup.c +++ b/arch/parisc/kernel/setup.c @@ -120,14 +120,6 @@ void __init setup_arch(char **cmdline_p) #endif printk(KERN_CONT ".\n"); - /* - * Check if initial kernel page mappings are sufficient. - * panic early if not, else we may access kernel functions - * and variables which can't be reached. - */ - if (__pa((unsigned long) &_end) >= KERNEL_INITIAL_SIZE) - panic("KERNEL_INITIAL_ORDER too small!"); - #ifdef CONFIG_64BIT if(parisc_narrow_firmware) { printk(KERN_INFO "Kernel is using PDC in 32-bit mode.\n"); @@ -140,6 +132,18 @@ void __init setup_arch(char **cmdline_p) parisc_cache_init(); paging_init(); + /* + * Parse early parameters before mm_core_init_early() runs. + * Several early_param() handlers only record data that is consumed + * from there - for example hugepages=, hugepagesz=, + * default_hugepagesz=, hugetlb_cma= and hugetlb_free_vmemmap= - so + * the generic parse_early_param() call in start_kernel() is too late + * for them. jump_label_init() must come first, since early param + * handlers may enable or disable static keys. + */ + jump_label_init(); + parse_early_param(); + #ifdef CONFIG_PA11 dma_ops_init(); #endif @@ -279,6 +283,18 @@ void __init start_parisc(void) int ret, cpunum; struct pdc_coproc_cfg coproc_cfg; + /* + * Check if initial kernel page mapping is sufficient. + * Print warning if not, because we may access kernel functions and + * variables which can't be reached yet through the initial mappings. + * Note that the panic() and printk() functions are not functional + * yet, so we need to use direct iodc() firmware calls instead. + */ + const char warn1[] = "CRITICAL: Kernel may crash because " + "KERNEL_INITIAL_ORDER is too small.\n"; + if (__pa((unsigned long) &_end) >= KERNEL_INITIAL_SIZE) + pdc_iodc_print(warn1, sizeof(warn1) - 1); + /* check QEMU/SeaBIOS marker in PAGE0 */ running_on_qemu = (memcmp(&PAGE0->pad0, "SeaBIOS", 8) == 0); diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c index e8d27def6c52..64a62006bb15 100644 --- a/arch/parisc/kernel/signal.c +++ b/arch/parisc/kernel/signal.c @@ -80,7 +80,7 @@ sys_rt_sigreturn(struct pt_regs *regs, int in_syscall) sigset_t set; unsigned long usp = (regs->gr[30] & ~(0x01UL)); unsigned long sigframe_size = PARISC_RT_SIGFRAME_SIZE; -#ifdef CONFIG_64BIT +#ifdef CONFIG_COMPAT struct compat_rt_sigframe __user * compat_frame; if (is_compat_task()) @@ -96,7 +96,7 @@ sys_rt_sigreturn(struct pt_regs *regs, int in_syscall) regs->orig_r28 = 1; /* no restarts for sigreturn */ -#ifdef CONFIG_64BIT +#ifdef CONFIG_COMPAT compat_frame = (struct compat_rt_sigframe __user *)frame; if (is_compat_task()) { @@ -112,7 +112,7 @@ sys_rt_sigreturn(struct pt_regs *regs, int in_syscall) set_current_blocked(&set); /* Good thing we saved the old gr[30], eh? */ -#ifdef CONFIG_64BIT +#ifdef CONFIG_COMPAT if (is_compat_task()) { DBG(1, "%s: compat_frame->uc.uc_mcontext 0x%p\n", __func__, &compat_frame->uc.uc_mcontext); @@ -218,13 +218,13 @@ setup_rt_frame(struct ksignal *ksig, sigset_t *set, struct pt_regs *regs, unsigned long haddr, sigframe_size; unsigned long start; int err = 0; -#ifdef CONFIG_64BIT +#ifdef CONFIG_COMPAT struct compat_rt_sigframe __user * compat_frame; #endif - + usp = (regs->gr[30] & ~(0x01UL)); sigframe_size = PARISC_RT_SIGFRAME_SIZE; -#ifdef CONFIG_64BIT +#ifdef CONFIG_COMPAT if (is_compat_task()) { /* The gcc alloca implementation leaves garbage in the upper 32 bits of sp */ usp = (compat_uint_t)usp; @@ -239,7 +239,7 @@ setup_rt_frame(struct ksignal *ksig, sigset_t *set, struct pt_regs *regs, if (start >= TASK_SIZE_MAX - sigframe_size) return -EFAULT; -#ifdef CONFIG_64BIT +#ifdef CONFIG_COMPAT compat_frame = (struct compat_rt_sigframe __user *)frame; @@ -349,8 +349,8 @@ setup_rt_frame(struct ksignal *ksig, sigset_t *set, struct pt_regs *regs, regs->gr[2] = rp; /* userland return pointer */ regs->gr[26] = ksig->sig; /* signal number */ - -#ifdef CONFIG_64BIT + +#ifdef CONFIG_COMPAT if (is_compat_task()) { regs->gr[25] = A(&compat_frame->info); /* siginfo pointer */ regs->gr[24] = A(&compat_frame->uc); /* ucontext pointer */ diff --git a/arch/parisc/kernel/smp.c b/arch/parisc/kernel/smp.c index b2d12ab728b1..36be17e32948 100644 --- a/arch/parisc/kernel/smp.c +++ b/arch/parisc/kernel/smp.c @@ -343,7 +343,7 @@ static int smp_boot_one_cpu(int cpuid, struct task_struct *idle) for (i = 0; i < NR_IRQS; i++) { struct irq_desc *desc = irq_to_desc(i); - if (desc && desc->kstat_irqs) + if (desc) *per_cpu_ptr(desc->kstat_irqs, cpuid) = (struct irqstat) { }; } #endif diff --git a/arch/parisc/kernel/sys_parisc.c b/arch/parisc/kernel/sys_parisc.c index b2cdbb8a12b1..1a676a9bf80c 100644 --- a/arch/parisc/kernel/sys_parisc.c +++ b/arch/parisc/kernel/sys_parisc.c @@ -50,9 +50,13 @@ static inline unsigned long COLOR_ALIGN(unsigned long addr, } +#ifdef CONFIG_COMPAT #define STACK_SIZE_DEFAULT (USER_WIDE_MODE \ ? (1 << 30) /* 1 GB */ \ : (CONFIG_STACK_MAX_DEFAULT_SIZE_MB*1024*1024)) +#else +#define STACK_SIZE_DEFAULT (1 << 30) +#endif unsigned long calc_max_stack_size(unsigned long stack_max) { @@ -216,7 +220,7 @@ asmlinkage long parisc_truncate64(const char __user * path, asmlinkage long parisc_ftruncate64(unsigned int fd, unsigned int high, unsigned int low) { - return ksys_ftruncate(fd, (long)high << 32 | low); + return ksys_ftruncate(fd, (long)high << 32 | low, FTRUNCATE_LFS); } /* stubs for the benefit of the syscall_table since truncate64 and truncate @@ -227,7 +231,7 @@ asmlinkage long sys_truncate64(const char __user * path, unsigned long length) } asmlinkage long sys_ftruncate64(unsigned int fd, unsigned long length) { - return ksys_ftruncate(fd, length); + return ksys_ftruncate(fd, length, FTRUNCATE_LFS); } asmlinkage long sys_fcntl64(unsigned int fd, unsigned int cmd, unsigned long arg) { diff --git a/arch/parisc/kernel/syscall.S b/arch/parisc/kernel/syscall.S index f58c4bccfbce..e11c88c34eb2 100644 --- a/arch/parisc/kernel/syscall.S +++ b/arch/parisc/kernel/syscall.S @@ -241,7 +241,7 @@ linux_gateway_entry: /* Note! We cannot use the syscall table that is mapped nearby since the gateway page is mapped execute-only. */ -#ifdef CONFIG_64BIT +#ifdef CONFIG_COMPAT ldil L%sys_call_table, %r1 or,ev %r2,%r2,%r2 ldil L%sys_call_table64, %r1 @@ -250,7 +250,7 @@ linux_gateway_entry: ldo R%sys_call_table64(%r1), %r19 #else load32 sys_call_table, %r19 -#endif +#endif comiclr,>> __NR_Linux_syscalls, %r20, %r0 b,n .Lsyscall_nosys @@ -374,7 +374,7 @@ tracesys_next: /* Note! We cannot use the syscall table that is mapped nearby since the gateway page is mapped execute-only. */ -#ifdef CONFIG_64BIT +#ifdef CONFIG_COMPAT LDREG TASK_PT_GR30(%r1), %r19 /* get users sp back */ extrd,u %r19,63,1,%r2 /* W hidden in bottom bit */ @@ -1326,16 +1326,19 @@ ENTRY(lws_table) END(lws_table) /* End of lws table */ -#ifdef CONFIG_64BIT +#ifdef CONFIG_COMPAT #define __SYSCALL_WITH_COMPAT(nr, native, compat) __SYSCALL(nr, compat) #else #define __SYSCALL_WITH_COMPAT(nr, native, compat) __SYSCALL(nr, native) #endif #define __SYSCALL(nr, entry) ASM_ULONG_INSN entry + .align 8 ENTRY(sys_call_table) .export sys_call_table,data +#if defined(CONFIG_COMPAT) || !defined(CONFIG_64BIT) #include <asm/syscall_table_32.h> /* 32-bit syscalls */ +#endif END(sys_call_table) #ifdef CONFIG_64BIT diff --git a/arch/parisc/kernel/syscalls/syscall.tbl b/arch/parisc/kernel/syscalls/syscall.tbl index 39bdacaa530b..88adc4016cce 100644 --- a/arch/parisc/kernel/syscalls/syscall.tbl +++ b/arch/parisc/kernel/syscalls/syscall.tbl @@ -154,7 +154,7 @@ # 137 was afs_syscall 138 common setfsuid sys_setfsuid 139 common setfsgid sys_setfsgid -140 common _llseek sys_llseek +140 32 _llseek sys_llseek 141 common getdents sys_getdents compat_sys_getdents 142 common _newselect sys_select compat_sys_select 143 common flock sys_flock @@ -469,3 +469,5 @@ 468 common file_getattr sys_file_getattr 469 common file_setattr sys_file_setattr 470 common listns sys_listns +471 common rseq_slice_yield sys_rseq_slice_yield +472 common fchroot sys_fchroot diff --git a/arch/parisc/kernel/time.c b/arch/parisc/kernel/time.c index c17e2249115f..71c9d5426995 100644 --- a/arch/parisc/kernel/time.c +++ b/arch/parisc/kernel/time.c @@ -16,6 +16,7 @@ #include <linux/rtc.h> #include <linux/platform_device.h> #include <asm/processor.h> +#include <asm/pdcpat.h> static u64 cr16_clock_freq; static unsigned long clocktick; @@ -99,6 +100,22 @@ void parisc_clockevent_init(void) clockevents_config_and_register(cd, cr16_clock_freq, min_delta, max_delta); } +static void parisc_find_64bit_counter(void) +{ +#ifdef CONFIG_64BIT + uint64_t *pclock; + unsigned long freq, unique; + int ret; + + ret = pdc_pat_pd_get_platform_counter(&pclock, &freq, &unique); + if (ret == PDC_OK) + pr_info("64-bit counter found at %px, freq: %lu, unique: %lu\n", + pclock, freq, unique); + else + pr_info("64-bit counter not found.\n"); +#endif +} + unsigned long notrace profile_pc(struct pt_regs *regs) { unsigned long pc = instruction_pointer(regs); @@ -193,12 +210,9 @@ static struct clocksource clocksource_cr16 = { .read = read_cr16, .mask = CLOCKSOURCE_MASK(BITS_PER_LONG), .flags = CLOCK_SOURCE_IS_CONTINUOUS | - CLOCK_SOURCE_VALID_FOR_HRES | - CLOCK_SOURCE_MUST_VERIFY | - CLOCK_SOURCE_VERIFY_PERCPU, + CLOCK_SOURCE_VALID_FOR_HRES, }; - /* * timer interrupt and sched_clock() initialization */ @@ -213,6 +227,9 @@ void __init time_init(void) parisc_clockevent_init(); + /* check for free-running 64-bit platform counter */ + parisc_find_64bit_counter(); + /* register at clocksource framework */ clocksource_register_hz(&clocksource_cr16, cr16_clock_freq); } diff --git a/arch/parisc/kernel/unwind.c b/arch/parisc/kernel/unwind.c index 7ac88ff13d3c..fab9ae22191a 100644 --- a/arch/parisc/kernel/unwind.c +++ b/arch/parisc/kernel/unwind.c @@ -14,6 +14,7 @@ #include <linux/sched.h> #include <linux/slab.h> #include <linux/sort.h> +#include <linux/bsearch.h> #include <linux/sched/task_stack.h> #include <linux/uaccess.h> @@ -49,27 +50,23 @@ static DEFINE_SPINLOCK(unwind_lock); static struct unwind_table kernel_unwind_table __ro_after_init; static LIST_HEAD(unwind_tables); -static inline const struct unwind_table_entry * -find_unwind_entry_in_table(const struct unwind_table *table, unsigned long addr) +static int cmp_unwind_entry(const void *key, const void *elt) { - const struct unwind_table_entry *e = NULL; - unsigned long lo, hi, mid; + unsigned long addr = (unsigned long)key; + const struct unwind_table_entry *e = elt; - lo = 0; - hi = table->length - 1; - - while (lo <= hi) { - mid = (hi - lo) / 2 + lo; - e = &table->table[mid]; - if (addr < e->region_start) - hi = mid - 1; - else if (addr > e->region_end) - lo = mid + 1; - else - return e; - } + if (addr < e->region_start) + return -1; + if (addr > e->region_end) + return 1; + return 0; +} - return NULL; +static inline const struct unwind_table_entry * +find_unwind_entry_in_table(const struct unwind_table *table, unsigned long addr) +{ + return bsearch((void *)addr, table->table, table->length, + sizeof(*table->table), cmp_unwind_entry); } static const struct unwind_table_entry * @@ -157,7 +154,7 @@ unwind_table_add(const char *name, unsigned long base_addr, unwind_table_sort(s, e); - table = kmalloc(sizeof(struct unwind_table), GFP_USER); + table = kmalloc_obj(struct unwind_table, GFP_USER); if (table == NULL) return NULL; unwind_table_init(table, name, base_addr, gp, start, end); @@ -408,7 +405,7 @@ void unwind_frame_init_from_blocked_task(struct unwind_frame_info *info, struct struct pt_regs *r = &t->thread.regs; struct pt_regs *r2; - r2 = kmalloc(sizeof(struct pt_regs), GFP_ATOMIC); + r2 = kmalloc_obj(struct pt_regs, GFP_ATOMIC); if (!r2) return; *r2 = *r; diff --git a/arch/parisc/kernel/vdso.c b/arch/parisc/kernel/vdso.c index c5cbfce7a84c..54c18574424a 100644 --- a/arch/parisc/kernel/vdso.c +++ b/arch/parisc/kernel/vdso.c @@ -102,7 +102,7 @@ static struct page ** __init vdso_setup_pages(void *start, void *end) struct page **pagelist; int i; - pagelist = kcalloc(pages + 1, sizeof(struct page *), GFP_KERNEL); + pagelist = kzalloc_objs(struct page *, pages + 1); if (!pagelist) panic("%s: Cannot allocate page list for VDSO", __func__); for (i = 0; i < pages; i++) diff --git a/arch/parisc/kernel/vmlinux.lds.S b/arch/parisc/kernel/vmlinux.lds.S index b445e47903cf..0ca93d6d7235 100644 --- a/arch/parisc/kernel/vmlinux.lds.S +++ b/arch/parisc/kernel/vmlinux.lds.S @@ -165,6 +165,7 @@ SECTIONS _end = . ; STABS_DEBUG + MODINFO ELF_DETAILS .note 0 : { *(.note) } diff --git a/arch/parisc/lib/Makefile b/arch/parisc/lib/Makefile index 7b197667faf6..d5975d1fb406 100644 --- a/arch/parisc/lib/Makefile +++ b/arch/parisc/lib/Makefile @@ -3,7 +3,7 @@ # Makefile for parisc-specific library files # -lib-y := lusercopy.o bitops.o checksum.o io.o memset.o memcpy.o \ +lib-y := lusercopy.o bitops.o io.o memset.o memcpy.o \ ucmpdi2.o delay.o obj-y := iomap.o diff --git a/arch/parisc/lib/checksum.c b/arch/parisc/lib/checksum.c deleted file mode 100644 index 59d8c15d81bd..000000000000 --- a/arch/parisc/lib/checksum.c +++ /dev/null @@ -1,99 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * INET An implementation of the TCP/IP protocol suite for the LINUX - * operating system. INET is implemented using the BSD Socket - * interface as the means of communication with the user level. - * - * MIPS specific IP/TCP/UDP checksumming routines - * - * Authors: Ralf Baechle, <ralf@waldorf-gmbh.de> - * Lots of code moved from tcp.c and ip.c; see those files - * for more names. - */ -#include <linux/module.h> -#include <linux/types.h> - -#include <net/checksum.h> -#include <asm/byteorder.h> -#include <asm/string.h> -#include <linux/uaccess.h> - -#define addc(_t,_r) \ - __asm__ __volatile__ ( \ -" add %0, %1, %0\n" \ -" addc %0, %%r0, %0\n" \ - : "=r"(_t) \ - : "r"(_r), "0"(_t)); - -static inline unsigned int do_csum(const unsigned char * buff, int len) -{ - int odd, count; - unsigned int result = 0; - - if (len <= 0) - goto out; - odd = 1 & (unsigned long) buff; - if (odd) { - result = be16_to_cpu(*buff); - len--; - buff++; - } - count = len >> 1; /* nr of 16-bit words.. */ - if (count) { - if (2 & (unsigned long) buff) { - result += *(unsigned short *) buff; - count--; - len -= 2; - buff += 2; - } - count >>= 1; /* nr of 32-bit words.. */ - if (count) { - while (count >= 4) { - unsigned int r1, r2, r3, r4; - r1 = *(unsigned int *)(buff + 0); - r2 = *(unsigned int *)(buff + 4); - r3 = *(unsigned int *)(buff + 8); - r4 = *(unsigned int *)(buff + 12); - addc(result, r1); - addc(result, r2); - addc(result, r3); - addc(result, r4); - count -= 4; - buff += 16; - } - while (count) { - unsigned int w = *(unsigned int *) buff; - count--; - buff += 4; - addc(result, w); - } - result = (result & 0xffff) + (result >> 16); - } - if (len & 2) { - result += *(unsigned short *) buff; - buff += 2; - } - } - if (len & 1) - result += le16_to_cpu(*buff); - result = csum_from32to16(result); - if (odd) - result = swab16(result); -out: - return result; -} - -/* - * computes a partial checksum, e.g. for TCP/UDP fragments - */ -/* - * why bother folding? - */ -__wsum csum_partial(const void *buff, int len, __wsum sum) -{ - unsigned int result = do_csum(buff, len); - addc(result, sum); - return (__force __wsum)csum_from32to16(result); -} - -EXPORT_SYMBOL(csum_partial); diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c index 14270715d754..be3380c9bcda 100644 --- a/arch/parisc/mm/init.c +++ b/arch/parisc/mm/init.c @@ -604,9 +604,6 @@ void __init mem_init(void) #endif } -unsigned long *empty_zero_page __ro_after_init; -EXPORT_SYMBOL(empty_zero_page); - /* * pagetable_init() sets up the page tables * @@ -639,9 +636,6 @@ static void __init pagetable_init(void) initrd_end - initrd_start, PAGE_KERNEL, 0); } #endif - - empty_zero_page = memblock_alloc_or_panic(PAGE_SIZE, PAGE_SIZE); - } static void __init gateway_init(void) @@ -693,13 +687,9 @@ static void __init fixmap_init(void) } while (addr < end); } -static void __init parisc_bootmem_free(void) +void __init arch_zone_limits_init(unsigned long *max_zone_pfns) { - unsigned long max_zone_pfn[MAX_NR_ZONES] = { 0, }; - - max_zone_pfn[0] = memblock_end_of_DRAM(); - - free_area_init(max_zone_pfn); + max_zone_pfns[ZONE_NORMAL] = PFN_DOWN(memblock_end_of_DRAM()); } void __init paging_init(void) @@ -710,9 +700,6 @@ void __init paging_init(void) fixmap_init(); flush_cache_all_local(); /* start with known state */ flush_tlb_all_local(NULL); - - sparse_init(); - parisc_bootmem_free(); } static void alloc_btlb(unsigned long start, unsigned long end, int *slot, diff --git a/arch/parisc/net/bpf_jit_core.c b/arch/parisc/net/bpf_jit_core.c index 06cbcd6fe87b..172770132440 100644 --- a/arch/parisc/net/bpf_jit_core.c +++ b/arch/parisc/net/bpf_jit_core.c @@ -41,33 +41,22 @@ bool bpf_jit_needs_zext(void) return true; } -struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog) +struct bpf_prog *bpf_int_jit_compile(struct bpf_verifier_env *env, struct bpf_prog *prog) { unsigned int prog_size = 0, extable_size = 0; - bool tmp_blinded = false, extra_pass = false; - struct bpf_prog *tmp, *orig_prog = prog; + bool extra_pass = false; int pass = 0, prev_ninsns = 0, prologue_len, i; struct hppa_jit_data *jit_data; struct hppa_jit_context *ctx; if (!prog->jit_requested) - return orig_prog; - - tmp = bpf_jit_blind_constants(prog); - if (IS_ERR(tmp)) - return orig_prog; - if (tmp != prog) { - tmp_blinded = true; - prog = tmp; - } + return prog; jit_data = prog->aux->jit_data; if (!jit_data) { - jit_data = kzalloc(sizeof(*jit_data), GFP_KERNEL); - if (!jit_data) { - prog = orig_prog; - goto out; - } + jit_data = kzalloc_obj(*jit_data); + if (!jit_data) + return prog; prog->aux->jit_data = jit_data; } @@ -80,11 +69,9 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog) } ctx->prog = prog; - ctx->offset = kcalloc(prog->len, sizeof(int), GFP_KERNEL); - if (!ctx->offset) { - prog = orig_prog; - goto out_offset; - } + ctx->offset = kzalloc_objs(int, prog->len); + if (!ctx->offset) + goto out_err; for (i = 0; i < prog->len; i++) { prev_ninsns += 20; ctx->offset[i] = prev_ninsns; @@ -93,10 +80,8 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog) for (i = 0; i < NR_JIT_ITERATIONS; i++) { pass++; ctx->ninsns = 0; - if (build_body(ctx, extra_pass, ctx->offset)) { - prog = orig_prog; - goto out_offset; - } + if (build_body(ctx, extra_pass, ctx->offset)) + goto out_err; ctx->body_len = ctx->ninsns; bpf_jit_build_prologue(ctx); ctx->prologue_len = ctx->ninsns - ctx->body_len; @@ -116,10 +101,8 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog) &jit_data->image, sizeof(long), bpf_fill_ill_insns); - if (!jit_data->header) { - prog = orig_prog; - goto out_offset; - } + if (!jit_data->header) + goto out_err; ctx->insns = (u32 *)jit_data->image; /* @@ -134,8 +117,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog) pr_err("bpf-jit: image did not converge in <%d passes!\n", i); if (jit_data->header) bpf_jit_binary_free(jit_data->header); - prog = orig_prog; - goto out_offset; + goto out_err; } if (extable_size) @@ -148,8 +130,7 @@ skip_init_ctx: bpf_jit_build_prologue(ctx); if (build_body(ctx, extra_pass, NULL)) { bpf_jit_binary_free(jit_data->header); - prog = orig_prog; - goto out_offset; + goto out_err; } bpf_jit_build_epilogue(ctx); @@ -160,20 +141,19 @@ skip_init_ctx: { extern int machine_restart(char *); machine_restart(""); } } + if (!prog->is_func || extra_pass) { + if (bpf_jit_binary_lock_ro(jit_data->header)) { + bpf_jit_binary_free(jit_data->header); + goto out_err; + } + bpf_flush_icache(jit_data->header, ctx->insns + ctx->ninsns); + } + prog->bpf_func = (void *)ctx->insns; prog->jited = 1; prog->jited_len = prog_size; - bpf_flush_icache(jit_data->header, ctx->insns + ctx->ninsns); - if (!prog->is_func || extra_pass) { - if (bpf_jit_binary_lock_ro(jit_data->header)) { - bpf_jit_binary_free(jit_data->header); - prog->bpf_func = NULL; - prog->jited = 0; - prog->jited_len = 0; - goto out_offset; - } prologue_len = ctx->epilogue_offset - ctx->body_len; for (i = 0; i < prog->len; i++) ctx->offset[i] += prologue_len; @@ -183,14 +163,19 @@ out_offset: kfree(jit_data); prog->aux->jit_data = NULL; } -out: + if (HPPA_JIT_REBOOT) { extern int machine_restart(char *); machine_restart(""); } - if (tmp_blinded) - bpf_jit_prog_release_other(prog, prog == orig_prog ? - tmp : orig_prog); return prog; + +out_err: + if (extra_pass) { + prog->bpf_func = NULL; + prog->jited = 0; + prog->jited_len = 0; + } + goto out_offset; } u64 hppa_div64(u64 div, u64 divisor) |