diff options
Diffstat (limited to 'arch/alpha/include')
24 files changed, 222 insertions, 998 deletions
diff --git a/arch/alpha/include/asm/Kbuild b/arch/alpha/include/asm/Kbuild index 483965c5a4de..b154b4e3dfa8 100644 --- a/arch/alpha/include/asm/Kbuild +++ b/arch/alpha/include/asm/Kbuild @@ -5,4 +5,5 @@ generic-y += agp.h generic-y += asm-offsets.h generic-y += kvm_para.h generic-y += mcs_spinlock.h +generic-y += ring_buffer.h generic-y += text-patching.h diff --git a/arch/alpha/include/asm/bitops.h b/arch/alpha/include/asm/bitops.h index 3e33621922c3..76e4343c090f 100644 --- a/arch/alpha/include/asm/bitops.h +++ b/arch/alpha/include/asm/bitops.h @@ -328,7 +328,7 @@ static inline unsigned long ffz_b(unsigned long x) return sum; } -static inline unsigned long ffz(unsigned long word) +static inline unsigned long __attribute_const__ ffz(unsigned long word) { #if defined(CONFIG_ALPHA_EV6) && defined(CONFIG_ALPHA_EV67) /* Whee. EV67 can calculate it directly. */ @@ -348,7 +348,7 @@ static inline unsigned long ffz(unsigned long word) /* * __ffs = Find First set bit in word. Undefined if no set bit exists. */ -static inline unsigned long __ffs(unsigned long word) +static inline __attribute_const__ unsigned long __ffs(unsigned long word) { #if defined(CONFIG_ALPHA_EV6) && defined(CONFIG_ALPHA_EV67) /* Whee. EV67 can calculate it directly. */ @@ -373,7 +373,7 @@ static inline unsigned long __ffs(unsigned long word) * differs in spirit from the above __ffs. */ -static inline int ffs(int word) +static inline __attribute_const__ int ffs(int word) { int result = __ffs(word) + 1; return word ? result : 0; @@ -383,14 +383,14 @@ static inline int ffs(int word) * fls: find last bit set. */ #if defined(CONFIG_ALPHA_EV6) && defined(CONFIG_ALPHA_EV67) -static inline int fls64(unsigned long word) +static inline __attribute_const__ int fls64(unsigned long word) { return 64 - __kernel_ctlz(word); } #else extern const unsigned char __flsm1_tab[256]; -static inline int fls64(unsigned long x) +static inline __attribute_const__ int fls64(unsigned long x) { unsigned long t, a, r; @@ -403,12 +403,12 @@ static inline int fls64(unsigned long x) } #endif -static inline unsigned long __fls(unsigned long x) +static inline __attribute_const__ unsigned long __fls(unsigned long x) { return fls64(x) - 1; } -static inline int fls(unsigned int x) +static inline __attribute_const__ int fls(unsigned int x) { return fls64(x); } diff --git a/arch/alpha/include/asm/console.h b/arch/alpha/include/asm/console.h index 088b7b9eb15a..1cabdb6064bb 100644 --- a/arch/alpha/include/asm/console.h +++ b/arch/alpha/include/asm/console.h @@ -4,7 +4,7 @@ #include <uapi/asm/console.h> -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ extern long callback_puts(long unit, const char *s, long length); extern long callback_getc(long unit); extern long callback_open_console(void); @@ -26,5 +26,5 @@ struct crb_struct; struct hwrpb_struct; extern int callback_init_done; extern void * callback_init(void *); -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #endif /* __AXP_CONSOLE_H */ diff --git a/arch/alpha/include/asm/elf.h b/arch/alpha/include/asm/elf.h index 4d7c46f50382..50c82187e60e 100644 --- a/arch/alpha/include/asm/elf.h +++ b/arch/alpha/include/asm/elf.h @@ -74,7 +74,7 @@ typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG]; /* * This is used to ensure we don't load something for the wrong architecture. */ -#define elf_check_arch(x) ((x)->e_machine == EM_ALPHA) +#define elf_check_arch(x) (((x)->e_machine == EM_ALPHA) && !((x)->e_flags & EF_ALPHA_32BIT)) /* * These are used to set parameters in the core dumps. @@ -137,10 +137,6 @@ extern int dump_elf_task(elf_greg_t *dest, struct task_struct *task); : amask (AMASK_CIX) ? "ev6" : "ev67"); \ }) -#define SET_PERSONALITY(EX) \ - set_personality(((EX).e_flags & EF_ALPHA_32BIT) \ - ? PER_LINUX_32BIT : PER_LINUX) - extern int alpha_l1i_cacheshape; extern int alpha_l1d_cacheshape; extern int alpha_l2_cacheshape; diff --git a/arch/alpha/include/asm/floppy.h b/arch/alpha/include/asm/floppy.h index 64b42d9591fc..5a6239e65097 100644 --- a/arch/alpha/include/asm/floppy.h +++ b/arch/alpha/include/asm/floppy.h @@ -90,25 +90,6 @@ static int FDC2 = -1; #define N_FDC 2 #define N_DRIVE 8 -/* - * Most Alphas have no problems with floppy DMA crossing 64k borders, - * except for certain ones, like XL and RUFFIAN. - * - * However, the test is simple and fast, and this *is* floppy, after all, - * so we do it for all platforms, just to make sure. - * - * This is advantageous in other circumstances as well, as in moving - * about the PCI DMA windows and forcing the floppy to start doing - * scatter-gather when it never had before, and there *is* a problem - * on that platform... ;-} - */ - -static inline unsigned long CROSS_64KB(void *a, unsigned long s) -{ - unsigned long p = (unsigned long)a; - return ((p + s - 1) ^ p) & ~0xffffUL; -} - #define EXTRA_FLOPPY_PARAMS #endif /* __ASM_ALPHA_FLOPPY_H */ diff --git a/arch/alpha/include/asm/hwrpb.h b/arch/alpha/include/asm/hwrpb.h index fc76f36265ad..db831cf8de10 100644 --- a/arch/alpha/include/asm/hwrpb.h +++ b/arch/alpha/include/asm/hwrpb.h @@ -135,7 +135,7 @@ struct crb_struct { /* virtual->physical map */ unsigned long map_entries; unsigned long map_pages; - struct vf_map_struct map[1]; + struct vf_map_struct map[]; }; struct memclust_struct { diff --git a/arch/alpha/include/asm/io.h b/arch/alpha/include/asm/io.h index 65fe1e54c6da..fa3e4c246cda 100644 --- a/arch/alpha/include/asm/io.h +++ b/arch/alpha/include/asm/io.h @@ -10,10 +10,6 @@ #include <asm/machvec.h> #include <asm/hwrpb.h> -/* The generic header contains only prototypes. Including it ensures that - the implementation we have here matches that interface. */ -#include <asm-generic/iomap.h> - /* * Virtual -> physical identity mapping starts at this offset */ @@ -276,13 +272,24 @@ extern void __raw_writeq(u64 b, volatile void __iomem *addr); #define __raw_writel __raw_writel #define __raw_writeq __raw_writeq -/* - * Mapping from port numbers to __iomem space is pretty easy. - */ +extern unsigned int ioread8(const void __iomem *); +extern unsigned int ioread16(const void __iomem *); +extern unsigned int ioread32(const void __iomem *); +extern u64 ioread64(const void __iomem *); + +extern void iowrite8(u8, void __iomem *); +extern void iowrite16(u16, void __iomem *); +extern void iowrite32(u32, void __iomem *); +extern void iowrite64(u64, void __iomem *); + +extern void ioread8_rep(const void __iomem *port, void *buf, unsigned long count); +extern void ioread16_rep(const void __iomem *port, void *buf, unsigned long count); +extern void ioread32_rep(const void __iomem *port, void *buf, unsigned long count); + +extern void iowrite8_rep(void __iomem *port, const void *buf, unsigned long count); +extern void iowrite16_rep(void __iomem *port, const void *buf, unsigned long count); +extern void iowrite32_rep(void __iomem *port, const void *buf, unsigned long count); -/* These two have to be extern inline because of the extern prototype from - <asm-generic/iomap.h>. It is not legal to mix "extern" and "static" for - the same declaration. */ extern inline void __iomem *ioport_map(unsigned long port, unsigned int size) { return IO_CONCAT(__IO_PREFIX,ioportmap) (port); @@ -629,10 +636,6 @@ extern void outsl (unsigned long port, const void *src, unsigned long count); #define RTC_PORT(x) (0x70 + (x)) #define RTC_ALWAYS_BCD 0 -/* - * These get provided from <asm-generic/iomap.h> since alpha does not - * select GENERIC_IOMAP. - */ #define ioread64 ioread64 #define iowrite64 iowrite64 #define ioread8_rep ioread8_rep diff --git a/arch/alpha/include/asm/page.h b/arch/alpha/include/asm/page.h index 5ec4c77e432e..59d01f9b77f6 100644 --- a/arch/alpha/include/asm/page.h +++ b/arch/alpha/include/asm/page.h @@ -6,12 +6,11 @@ #include <asm/pal.h> #include <vdso/page.h> -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #define STRICT_MM_TYPECHECKS extern void clear_page(void *page); -#define clear_user_page(page, vaddr, pg) clear_page(page) #define vma_alloc_zeroed_movable_folio(vma, vaddr) \ vma_alloc_folio(GFP_HIGHUSER_MOVABLE | __GFP_ZERO, 0, vma, vaddr) @@ -74,7 +73,7 @@ typedef struct page *pgtable_t; #define PAGE_OFFSET 0xfffffc0000000000 #endif -#endif /* !__ASSEMBLY__ */ +#endif /* !__ASSEMBLER__ */ #define __pa(x) ((unsigned long) (x) - PAGE_OFFSET) #define __va(x) ((void *)((unsigned long) (x) + PAGE_OFFSET)) diff --git a/arch/alpha/include/asm/pal.h b/arch/alpha/include/asm/pal.h index db2b3b18b34c..799a64c05198 100644 --- a/arch/alpha/include/asm/pal.h +++ b/arch/alpha/include/asm/pal.h @@ -4,7 +4,7 @@ #include <uapi/asm/pal.h> -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ extern void halt(void) __attribute__((noreturn)); #define __halt() __asm__ __volatile__ ("call_pal %0 #halt" : : "i" (PAL_halt)) @@ -183,5 +183,5 @@ qemu_get_vmtime(void) return v0; } -#endif /* !__ASSEMBLY__ */ +#endif /* !__ASSEMBLER__ */ #endif /* __ALPHA_PAL_H */ diff --git a/arch/alpha/include/asm/param.h b/arch/alpha/include/asm/param.h deleted file mode 100644 index cfe947ce9461..000000000000 --- a/arch/alpha/include/asm/param.h +++ /dev/null @@ -1,12 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _ASM_ALPHA_PARAM_H -#define _ASM_ALPHA_PARAM_H - -#include <uapi/asm/param.h> - -# undef HZ -# define HZ CONFIG_HZ -# define USER_HZ 1024 -# define CLOCKS_PER_SEC USER_HZ /* frequency at which times() counts */ - -#endif /* _ASM_ALPHA_PARAM_H */ diff --git a/arch/alpha/include/asm/percpu.h b/arch/alpha/include/asm/percpu.h index 6923249f2d49..4383d66341dc 100644 --- a/arch/alpha/include/asm/percpu.h +++ b/arch/alpha/include/asm/percpu.h @@ -9,10 +9,9 @@ * way above 4G. * * Always use weak definitions for percpu variables in modules. + * Therefore, we have enabled CONFIG_ARCH_MODULE_NEEDS_WEAK_PER_CPU + * in the Kconfig. */ -#if defined(MODULE) && defined(CONFIG_SMP) -#define ARCH_NEEDS_WEAK_PER_CPU -#endif #include <asm-generic/percpu.h> diff --git a/arch/alpha/include/asm/pgtable.h b/arch/alpha/include/asm/pgtable.h index 635f0a5f5bbd..8e00cf9dc39d 100644 --- a/arch/alpha/include/asm/pgtable.h +++ b/arch/alpha/include/asm/pgtable.h @@ -17,6 +17,7 @@ #include <asm/processor.h> /* For TASK_SIZE */ #include <asm/machvec.h> #include <asm/setup.h> +#include <linux/page_table_check.h> struct mm_struct; struct vm_area_struct; @@ -107,7 +108,7 @@ struct vm_area_struct; #define _PAGE_NORMAL(x) __pgprot(_PAGE_VALID | __ACCESS_BITS | (x)) -#define _PAGE_P(x) _PAGE_NORMAL((x) | (((x) & _PAGE_FOW)?0:_PAGE_FOW)) +#define _PAGE_P(x) _PAGE_NORMAL((x) | _PAGE_FOW) #define _PAGE_S(x) _PAGE_NORMAL(x) /* @@ -126,33 +127,15 @@ struct vm_area_struct; #define pgprot_noncached(prot) (prot) /* - * BAD_PAGETABLE is used when we need a bogus page-table, while - * BAD_PAGE is used for a bogus page. - * - * ZERO_PAGE is a global shared page that is always zero: used - * for zero-mapped memory areas etc.. + * All caching attribute macros are identity on Alpha, so the generic + * pgprot_modify() degenerates to tautological self-comparisons. + * Override it to just return newprot directly. */ -extern pte_t __bad_page(void); -extern pmd_t * __bad_pagetable(void); - -extern unsigned long __zero_page(void); - -#define BAD_PAGETABLE __bad_pagetable() -#define BAD_PAGE __bad_page() -#define ZERO_PAGE(vaddr) (virt_to_page(ZERO_PGE)) - -/* number of bits that fit into a memory pointer */ -#define BITS_PER_PTR (8*sizeof(unsigned long)) - -/* to align the pointer to a pointer address */ -#define PTR_MASK (~(sizeof(void*)-1)) - -/* sizeof(void*)==1<<SIZEOF_PTR_LOG2 */ -#define SIZEOF_PTR_LOG2 3 - -/* to find an entry in a page-table */ -#define PAGE_PTR(address) \ - ((unsigned long)(address)>>(PAGE_SHIFT-SIZEOF_PTR_LOG2)&PTR_MASK&~PAGE_MASK) +#define pgprot_modify pgprot_modify +static inline pgprot_t pgprot_modify(pgprot_t oldprot, pgprot_t newprot) +{ + return newprot; +} /* * On certain platforms whose physical address space can overlap KSEG, @@ -192,13 +175,6 @@ extern unsigned long __zero_page(void); #define pte_pfn(pte) (pte_val(pte) >> PFN_PTE_SHIFT) #define pte_page(pte) pfn_to_page(pte_pfn(pte)) -#define mk_pte(page, pgprot) \ -({ \ - pte_t pte; \ - \ - pte_val(pte) = (page_to_pfn(page) << 32) | pgprot_val(pgprot); \ - pte; \ -}) extern inline pte_t pfn_pte(unsigned long physpfn, pgprot_t pgprot) { pte_t pte; pte_val(pte) = (PHYS_TWIDDLE(physpfn) << 32) | pgprot_val(pgprot); return pte; } @@ -213,6 +189,9 @@ extern inline void pud_set(pud_t * pudp, pmd_t * pmdp) { pud_val(*pudp) = _PAGE_TABLE | ((((unsigned long) pmdp) - PAGE_OFFSET) << (32-PAGE_SHIFT)); } +extern void migrate_flush_tlb_page(struct vm_area_struct *vma, + unsigned long addr); + extern inline unsigned long pmd_page_vaddr(pmd_t pmd) { @@ -232,7 +211,7 @@ extern inline int pte_none(pte_t pte) { return !pte_val(pte); } extern inline int pte_present(pte_t pte) { return pte_val(pte) & _PAGE_VALID; } extern inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep) { - pte_val(*ptep) = 0; + WRITE_ONCE(pte_val(*ptep), 0); } extern inline int pmd_none(pmd_t pmd) { return !pmd_val(pmd); } @@ -294,6 +273,33 @@ extern inline pte_t * pte_offset_kernel(pmd_t * dir, unsigned long address) extern pgd_t swapper_pg_dir[1024]; +#ifdef CONFIG_COMPACTION +#define __HAVE_ARCH_PTEP_GET_AND_CLEAR + +static inline pte_t ptep_get_and_clear(struct mm_struct *mm, + unsigned long address, + pte_t *ptep) +{ + pte_t pte = READ_ONCE(*ptep); + + pte_clear(mm, address, ptep); + return pte; +} + +#define __HAVE_ARCH_PTEP_CLEAR_FLUSH + +static inline pte_t ptep_clear_flush(struct vm_area_struct *vma, + unsigned long addr, pte_t *ptep) +{ + struct mm_struct *mm = vma->vm_mm; + pte_t pte = ptep_get_and_clear(mm, addr, ptep); + + page_table_check_pte_clear(mm, addr, pte); + migrate_flush_tlb_page(vma, addr); + return pte; +} + +#endif /* * The Alpha doesn't have any external MMU info: the kernel page * tables contain all the necessary information. @@ -334,7 +340,7 @@ extern inline pte_t mk_swap_pte(unsigned long type, unsigned long offset) #define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) }) #define __swp_entry_to_pte(x) ((pte_t) { (x).val }) -static inline int pte_swp_exclusive(pte_t pte) +static inline bool pte_swp_exclusive(pte_t pte) { return pte_val(pte) & _PAGE_SWP_EXCLUSIVE; } @@ -360,7 +366,7 @@ static inline pte_t pte_swp_clear_exclusive(pte_t pte) extern void paging_init(void); -/* We have our own get_unmapped_area to cope with ADDR_LIMIT_32BIT. */ +/* We have our own get_unmapped_area */ #define HAVE_ARCH_UNMAPPED_AREA #endif /* _ALPHA_PGTABLE_H */ diff --git a/arch/alpha/include/asm/processor.h b/arch/alpha/include/asm/processor.h index 55bb1c09fd39..5dce5518a211 100644 --- a/arch/alpha/include/asm/processor.h +++ b/arch/alpha/include/asm/processor.h @@ -8,23 +8,19 @@ #ifndef __ASM_ALPHA_PROCESSOR_H #define __ASM_ALPHA_PROCESSOR_H -#include <linux/personality.h> /* for ADDR_LIMIT_32BIT */ - /* * We have a 42-bit user address space: 4TB user VM... */ #define TASK_SIZE (0x40000000000UL) -#define STACK_TOP \ - (current->personality & ADDR_LIMIT_32BIT ? 0x80000000 : 0x00120000000UL) +#define STACK_TOP (0x00120000000UL) #define STACK_TOP_MAX 0x00120000000UL /* This decides where the kernel will search for a free chunk of vm * space during mmap's. */ -#define TASK_UNMAPPED_BASE \ - ((current->personality & ADDR_LIMIT_32BIT) ? 0x40000000 : TASK_SIZE / 2) +#define TASK_UNMAPPED_BASE (TASK_SIZE / 2) /* This is dead. Everything has been moved to thread_info. */ struct thread_struct { }; diff --git a/arch/alpha/include/asm/seccomp.h b/arch/alpha/include/asm/seccomp.h new file mode 100644 index 000000000000..311934d20340 --- /dev/null +++ b/arch/alpha/include/asm/seccomp.h @@ -0,0 +1,13 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_ALPHA_SECCOMP_H +#define _ASM_ALPHA_SECCOMP_H + +#include <asm/unistd.h> +#include <asm-generic/seccomp.h> +#include <uapi/linux/audit.h> + +#define SECCOMP_ARCH_NATIVE AUDIT_ARCH_ALPHA +#define SECCOMP_ARCH_NATIVE_NR NR_syscalls +#define SECCOMP_ARCH_NATIVE_NAME "alpha" + +#endif /* _ASM_ALPHA_SECCOMP_H */ diff --git a/arch/alpha/include/asm/syscall.h b/arch/alpha/include/asm/syscall.h index f21babaeed85..584b1ab2e325 100644 --- a/arch/alpha/include/asm/syscall.h +++ b/arch/alpha/include/asm/syscall.h @@ -3,6 +3,10 @@ #define _ASM_ALPHA_SYSCALL_H #include <uapi/linux/audit.h> +#include <linux/audit.h> +#include <linux/sched.h> +#include <linux/types.h> +#include <asm/ptrace.h> static inline int syscall_get_arch(struct task_struct *task) { @@ -12,7 +16,91 @@ static inline int syscall_get_arch(struct task_struct *task) static inline long syscall_get_return_value(struct task_struct *task, struct pt_regs *regs) { - return regs->r0; + return regs->r19 ? -(long)regs->r0 : (long)regs->r0; +} + +/* + * Alpha syscall ABI / kernel conventions: + * - PAL provides syscall number in r0 on entry. + * - The kernel tracks the active syscall number in regs->r1 (mutable) and + * preserves the original syscall number in regs->r2 for rollback/restart. + * - Return value is in regs->r0, with regs->r19 ("a3") as the error flag + * (0=success, 1=error; on error regs->r0 holds positive errno). + */ + +static inline long syscall_get_nr(struct task_struct *task, + struct pt_regs *regs) +{ + return (long)regs->r1; +} + +static inline void syscall_set_nr(struct task_struct *task, + struct pt_regs *regs, + long nr) +{ + regs->r1 = (unsigned long)nr; +} + +/* + * Syscall arguments: + * regs->r16..regs->r21 carry up to 6 syscall arguments on entry. + * Note: regs->r19 is also used as "a3" (error flag) on syscall return. + */ + +static inline void syscall_get_arguments(struct task_struct *task, + struct pt_regs *regs, + unsigned long *args) +{ + args[0] = regs->r16; + args[1] = regs->r17; + args[2] = regs->r18; + args[3] = regs->r19; + args[4] = regs->r20; + args[5] = regs->r21; +} + +static inline void syscall_set_arguments(struct task_struct *task, + struct pt_regs *regs, + const unsigned long *args) +{ + regs->r16 = args[0]; + regs->r17 = args[1]; + regs->r18 = args[2]; + regs->r19 = args[3]; + regs->r20 = args[4]; + regs->r21 = args[5]; +} +/* + * Set return value for a syscall. + * Alpha uses r0 for return value and r19 ("a3") as the error indicator: + * a3 = 0 => success + * a3 = 1 => error, and userspace interprets r0 as errno (positive). + * + * The kernel reports errors to userspace by setting a3=1 and placing a + * positive errno value in r0. Some syscall paths do this in entry.S, + * while others (e.g. seccomp/ptrace helpers) use syscall_set_return_value(). + */ + +static inline void syscall_set_return_value(struct task_struct *task, + struct pt_regs *regs, + int error, long val) +{ + + if (error) { + /* error is negative errno in this tree */ + regs->r0 = (unsigned long)(-error); /* positive errno */ + regs->r19 = 1; /* a3 = error */ + } else { + regs->r0 = (unsigned long)val; + regs->r19 = 0; /* a3 = success */ + } +} + +/* Restore the original syscall nr after seccomp/ptrace modified regs->r1. */ +static inline void syscall_rollback(struct task_struct *task, + struct pt_regs *regs) +{ + regs->r1 = regs->r2; } #endif /* _ASM_ALPHA_SYSCALL_H */ diff --git a/arch/alpha/include/asm/thread_info.h b/arch/alpha/include/asm/thread_info.h index 4a4d00b37986..94ef9cfa30f5 100644 --- a/arch/alpha/include/asm/thread_info.h +++ b/arch/alpha/include/asm/thread_info.h @@ -4,14 +4,14 @@ #ifdef __KERNEL__ -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #include <asm/processor.h> #include <asm/types.h> #include <asm/hwrpb.h> #include <asm/sysinfo.h> #endif -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ struct thread_info { struct pcb_struct pcb; /* palcode state */ @@ -44,7 +44,7 @@ register struct thread_info *__current_thread_info __asm__("$8"); register unsigned long *current_stack_pointer __asm__ ("$30"); -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ /* Thread information allocation. */ #define THREAD_SIZE_ORDER 1 @@ -56,7 +56,8 @@ register unsigned long *current_stack_pointer __asm__ ("$30"); * - pending work-to-be-done flags come first and must be assigned to be * within bits 0 to 7 to fit in and immediate operand. * - * TIF_SYSCALL_TRACE is known to be 0 via blbs. + * (Historically TIF_SYSCALL_TRACE was known to be 0 via blbs, but we may + * also test multiple bits via masks now.) */ #define TIF_SYSCALL_TRACE 0 /* syscall trace active */ #define TIF_NOTIFY_RESUME 1 /* callback before returning to user */ @@ -64,6 +65,7 @@ register unsigned long *current_stack_pointer __asm__ ("$30"); #define TIF_NEED_RESCHED 3 /* rescheduling necessary */ #define TIF_SYSCALL_AUDIT 4 /* syscall audit active */ #define TIF_NOTIFY_SIGNAL 5 /* signal notifications exist */ +#define TIF_SECCOMP 6 /* seccomp syscall filtering active */ #define TIF_DIE_IF_KERNEL 9 /* dik recursion lock */ #define TIF_MEMDIE 13 /* is terminating due to OOM killer */ #define TIF_POLLING_NRFLAG 14 /* idle is polling for TIF_NEED_RESCHED */ @@ -74,8 +76,20 @@ register unsigned long *current_stack_pointer __asm__ ("$30"); #define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME) #define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT) #define _TIF_NOTIFY_SIGNAL (1<<TIF_NOTIFY_SIGNAL) +#define _TIF_SECCOMP (1<<TIF_SECCOMP) #define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) +/* + * Work to do on syscall entry (in entry.S). + * If you want this to exactly mirror what entry.S checks, keep it aligned + * with the mask used before branching to syscall_trace_enter(). + */ +#ifdef CONFIG_AUDITSYSCALL +# define _TIF_SYSCALL_WORK (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | _TIF_SECCOMP) +#else +# define _TIF_SYSCALL_WORK (_TIF_SYSCALL_TRACE | _TIF_SECCOMP) +#endif + /* Work to do on interrupt/exception return. */ #define _TIF_WORK_MASK (_TIF_SIGPENDING | _TIF_NEED_RESCHED | \ _TIF_NOTIFY_RESUME | _TIF_NOTIFY_SIGNAL) @@ -110,7 +124,7 @@ register unsigned long *current_stack_pointer __asm__ ("$30"); put_user(res, (int __user *)(value)); \ }) -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ extern void __save_fpu(void); static inline void save_fpu(void) diff --git a/arch/alpha/include/asm/tlb.h b/arch/alpha/include/asm/tlb.h index 4f79e331af5e..ad586b898fd6 100644 --- a/arch/alpha/include/asm/tlb.h +++ b/arch/alpha/include/asm/tlb.h @@ -4,7 +4,7 @@ #include <asm-generic/tlb.h> -#define __pte_free_tlb(tlb, pte, address) pte_free((tlb)->mm, pte) -#define __pmd_free_tlb(tlb, pmd, address) pmd_free((tlb)->mm, pmd) - +#define __pte_free_tlb(tlb, pte, address) tlb_remove_ptdesc((tlb), page_ptdesc(pte)) +#define __pmd_free_tlb(tlb, pmd, address) tlb_remove_ptdesc((tlb), virt_to_ptdesc(pmd)) + #endif diff --git a/arch/alpha/include/asm/tlbflush.h b/arch/alpha/include/asm/tlbflush.h index ba4b359d6c39..0c8529997f54 100644 --- a/arch/alpha/include/asm/tlbflush.h +++ b/arch/alpha/include/asm/tlbflush.h @@ -58,7 +58,9 @@ flush_tlb_other(struct mm_struct *mm) unsigned long *mmc = &mm->context[smp_processor_id()]; /* Check it's not zero first to avoid cacheline ping pong when possible. */ - if (*mmc) *mmc = 0; + + if (READ_ONCE(*mmc)) + WRITE_ONCE(*mmc, 0); } #ifndef CONFIG_SMP diff --git a/arch/alpha/include/asm/xor.h b/arch/alpha/include/asm/xor.h deleted file mode 100644 index e0de0c233ab9..000000000000 --- a/arch/alpha/include/asm/xor.h +++ /dev/null @@ -1,866 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ -/* - * include/asm-alpha/xor.h - * - * Optimized RAID-5 checksumming functions for alpha EV5 and EV6 - */ - -extern void -xor_alpha_2(unsigned long bytes, unsigned long * __restrict p1, - const unsigned long * __restrict p2); -extern void -xor_alpha_3(unsigned long bytes, unsigned long * __restrict p1, - const unsigned long * __restrict p2, - const unsigned long * __restrict p3); -extern void -xor_alpha_4(unsigned long bytes, unsigned long * __restrict p1, - const unsigned long * __restrict p2, - const unsigned long * __restrict p3, - const unsigned long * __restrict p4); -extern void -xor_alpha_5(unsigned long bytes, unsigned long * __restrict p1, - const unsigned long * __restrict p2, - const unsigned long * __restrict p3, - const unsigned long * __restrict p4, - const unsigned long * __restrict p5); - -extern void -xor_alpha_prefetch_2(unsigned long bytes, unsigned long * __restrict p1, - const unsigned long * __restrict p2); -extern void -xor_alpha_prefetch_3(unsigned long bytes, unsigned long * __restrict p1, - const unsigned long * __restrict p2, - const unsigned long * __restrict p3); -extern void -xor_alpha_prefetch_4(unsigned long bytes, unsigned long * __restrict p1, - const unsigned long * __restrict p2, - const unsigned long * __restrict p3, - const unsigned long * __restrict p4); -extern void -xor_alpha_prefetch_5(unsigned long bytes, unsigned long * __restrict p1, - const unsigned long * __restrict p2, - const unsigned long * __restrict p3, - const unsigned long * __restrict p4, - const unsigned long * __restrict p5); - -asm(" \n\ - .text \n\ - .align 3 \n\ - .ent xor_alpha_2 \n\ -xor_alpha_2: \n\ - .prologue 0 \n\ - srl $16, 6, $16 \n\ - .align 4 \n\ -2: \n\ - ldq $0,0($17) \n\ - ldq $1,0($18) \n\ - ldq $2,8($17) \n\ - ldq $3,8($18) \n\ - \n\ - ldq $4,16($17) \n\ - ldq $5,16($18) \n\ - ldq $6,24($17) \n\ - ldq $7,24($18) \n\ - \n\ - ldq $19,32($17) \n\ - ldq $20,32($18) \n\ - ldq $21,40($17) \n\ - ldq $22,40($18) \n\ - \n\ - ldq $23,48($17) \n\ - ldq $24,48($18) \n\ - ldq $25,56($17) \n\ - xor $0,$1,$0 # 7 cycles from $1 load \n\ - \n\ - ldq $27,56($18) \n\ - xor $2,$3,$2 \n\ - stq $0,0($17) \n\ - xor $4,$5,$4 \n\ - \n\ - stq $2,8($17) \n\ - xor $6,$7,$6 \n\ - stq $4,16($17) \n\ - xor $19,$20,$19 \n\ - \n\ - stq $6,24($17) \n\ - xor $21,$22,$21 \n\ - stq $19,32($17) \n\ - xor $23,$24,$23 \n\ - \n\ - stq $21,40($17) \n\ - xor $25,$27,$25 \n\ - stq $23,48($17) \n\ - subq $16,1,$16 \n\ - \n\ - stq $25,56($17) \n\ - addq $17,64,$17 \n\ - addq $18,64,$18 \n\ - bgt $16,2b \n\ - \n\ - ret \n\ - .end xor_alpha_2 \n\ - \n\ - .align 3 \n\ - .ent xor_alpha_3 \n\ -xor_alpha_3: \n\ - .prologue 0 \n\ - srl $16, 6, $16 \n\ - .align 4 \n\ -3: \n\ - ldq $0,0($17) \n\ - ldq $1,0($18) \n\ - ldq $2,0($19) \n\ - ldq $3,8($17) \n\ - \n\ - ldq $4,8($18) \n\ - ldq $6,16($17) \n\ - ldq $7,16($18) \n\ - ldq $21,24($17) \n\ - \n\ - ldq $22,24($18) \n\ - ldq $24,32($17) \n\ - ldq $25,32($18) \n\ - ldq $5,8($19) \n\ - \n\ - ldq $20,16($19) \n\ - ldq $23,24($19) \n\ - ldq $27,32($19) \n\ - nop \n\ - \n\ - xor $0,$1,$1 # 8 cycles from $0 load \n\ - xor $3,$4,$4 # 6 cycles from $4 load \n\ - xor $6,$7,$7 # 6 cycles from $7 load \n\ - xor $21,$22,$22 # 5 cycles from $22 load \n\ - \n\ - xor $1,$2,$2 # 9 cycles from $2 load \n\ - xor $24,$25,$25 # 5 cycles from $25 load \n\ - stq $2,0($17) \n\ - xor $4,$5,$5 # 6 cycles from $5 load \n\ - \n\ - stq $5,8($17) \n\ - xor $7,$20,$20 # 7 cycles from $20 load \n\ - stq $20,16($17) \n\ - xor $22,$23,$23 # 7 cycles from $23 load \n\ - \n\ - stq $23,24($17) \n\ - xor $25,$27,$27 # 7 cycles from $27 load \n\ - stq $27,32($17) \n\ - nop \n\ - \n\ - ldq $0,40($17) \n\ - ldq $1,40($18) \n\ - ldq $3,48($17) \n\ - ldq $4,48($18) \n\ - \n\ - ldq $6,56($17) \n\ - ldq $7,56($18) \n\ - ldq $2,40($19) \n\ - ldq $5,48($19) \n\ - \n\ - ldq $20,56($19) \n\ - xor $0,$1,$1 # 4 cycles from $1 load \n\ - xor $3,$4,$4 # 5 cycles from $4 load \n\ - xor $6,$7,$7 # 5 cycles from $7 load \n\ - \n\ - xor $1,$2,$2 # 4 cycles from $2 load \n\ - xor $4,$5,$5 # 5 cycles from $5 load \n\ - stq $2,40($17) \n\ - xor $7,$20,$20 # 4 cycles from $20 load \n\ - \n\ - stq $5,48($17) \n\ - subq $16,1,$16 \n\ - stq $20,56($17) \n\ - addq $19,64,$19 \n\ - \n\ - addq $18,64,$18 \n\ - addq $17,64,$17 \n\ - bgt $16,3b \n\ - ret \n\ - .end xor_alpha_3 \n\ - \n\ - .align 3 \n\ - .ent xor_alpha_4 \n\ -xor_alpha_4: \n\ - .prologue 0 \n\ - srl $16, 6, $16 \n\ - .align 4 \n\ -4: \n\ - ldq $0,0($17) \n\ - ldq $1,0($18) \n\ - ldq $2,0($19) \n\ - ldq $3,0($20) \n\ - \n\ - ldq $4,8($17) \n\ - ldq $5,8($18) \n\ - ldq $6,8($19) \n\ - ldq $7,8($20) \n\ - \n\ - ldq $21,16($17) \n\ - ldq $22,16($18) \n\ - ldq $23,16($19) \n\ - ldq $24,16($20) \n\ - \n\ - ldq $25,24($17) \n\ - xor $0,$1,$1 # 6 cycles from $1 load \n\ - ldq $27,24($18) \n\ - xor $2,$3,$3 # 6 cycles from $3 load \n\ - \n\ - ldq $0,24($19) \n\ - xor $1,$3,$3 \n\ - ldq $1,24($20) \n\ - xor $4,$5,$5 # 7 cycles from $5 load \n\ - \n\ - stq $3,0($17) \n\ - xor $6,$7,$7 \n\ - xor $21,$22,$22 # 7 cycles from $22 load \n\ - xor $5,$7,$7 \n\ - \n\ - stq $7,8($17) \n\ - xor $23,$24,$24 # 7 cycles from $24 load \n\ - ldq $2,32($17) \n\ - xor $22,$24,$24 \n\ - \n\ - ldq $3,32($18) \n\ - ldq $4,32($19) \n\ - ldq $5,32($20) \n\ - xor $25,$27,$27 # 8 cycles from $27 load \n\ - \n\ - ldq $6,40($17) \n\ - ldq $7,40($18) \n\ - ldq $21,40($19) \n\ - ldq $22,40($20) \n\ - \n\ - stq $24,16($17) \n\ - xor $0,$1,$1 # 9 cycles from $1 load \n\ - xor $2,$3,$3 # 5 cycles from $3 load \n\ - xor $27,$1,$1 \n\ - \n\ - stq $1,24($17) \n\ - xor $4,$5,$5 # 5 cycles from $5 load \n\ - ldq $23,48($17) \n\ - ldq $24,48($18) \n\ - \n\ - ldq $25,48($19) \n\ - xor $3,$5,$5 \n\ - ldq $27,48($20) \n\ - ldq $0,56($17) \n\ - \n\ - ldq $1,56($18) \n\ - ldq $2,56($19) \n\ - xor $6,$7,$7 # 8 cycles from $6 load \n\ - ldq $3,56($20) \n\ - \n\ - stq $5,32($17) \n\ - xor $21,$22,$22 # 8 cycles from $22 load \n\ - xor $7,$22,$22 \n\ - xor $23,$24,$24 # 5 cycles from $24 load \n\ - \n\ - stq $22,40($17) \n\ - xor $25,$27,$27 # 5 cycles from $27 load \n\ - xor $24,$27,$27 \n\ - xor $0,$1,$1 # 5 cycles from $1 load \n\ - \n\ - stq $27,48($17) \n\ - xor $2,$3,$3 # 4 cycles from $3 load \n\ - xor $1,$3,$3 \n\ - subq $16,1,$16 \n\ - \n\ - stq $3,56($17) \n\ - addq $20,64,$20 \n\ - addq $19,64,$19 \n\ - addq $18,64,$18 \n\ - \n\ - addq $17,64,$17 \n\ - bgt $16,4b \n\ - ret \n\ - .end xor_alpha_4 \n\ - \n\ - .align 3 \n\ - .ent xor_alpha_5 \n\ -xor_alpha_5: \n\ - .prologue 0 \n\ - srl $16, 6, $16 \n\ - .align 4 \n\ -5: \n\ - ldq $0,0($17) \n\ - ldq $1,0($18) \n\ - ldq $2,0($19) \n\ - ldq $3,0($20) \n\ - \n\ - ldq $4,0($21) \n\ - ldq $5,8($17) \n\ - ldq $6,8($18) \n\ - ldq $7,8($19) \n\ - \n\ - ldq $22,8($20) \n\ - ldq $23,8($21) \n\ - ldq $24,16($17) \n\ - ldq $25,16($18) \n\ - \n\ - ldq $27,16($19) \n\ - xor $0,$1,$1 # 6 cycles from $1 load \n\ - ldq $28,16($20) \n\ - xor $2,$3,$3 # 6 cycles from $3 load \n\ - \n\ - ldq $0,16($21) \n\ - xor $1,$3,$3 \n\ - ldq $1,24($17) \n\ - xor $3,$4,$4 # 7 cycles from $4 load \n\ - \n\ - stq $4,0($17) \n\ - xor $5,$6,$6 # 7 cycles from $6 load \n\ - xor $7,$22,$22 # 7 cycles from $22 load \n\ - xor $6,$23,$23 # 7 cycles from $23 load \n\ - \n\ - ldq $2,24($18) \n\ - xor $22,$23,$23 \n\ - ldq $3,24($19) \n\ - xor $24,$25,$25 # 8 cycles from $25 load \n\ - \n\ - stq $23,8($17) \n\ - xor $25,$27,$27 # 8 cycles from $27 load \n\ - ldq $4,24($20) \n\ - xor $28,$0,$0 # 7 cycles from $0 load \n\ - \n\ - ldq $5,24($21) \n\ - xor $27,$0,$0 \n\ - ldq $6,32($17) \n\ - ldq $7,32($18) \n\ - \n\ - stq $0,16($17) \n\ - xor $1,$2,$2 # 6 cycles from $2 load \n\ - ldq $22,32($19) \n\ - xor $3,$4,$4 # 4 cycles from $4 load \n\ - \n\ - ldq $23,32($20) \n\ - xor $2,$4,$4 \n\ - ldq $24,32($21) \n\ - ldq $25,40($17) \n\ - \n\ - ldq $27,40($18) \n\ - ldq $28,40($19) \n\ - ldq $0,40($20) \n\ - xor $4,$5,$5 # 7 cycles from $5 load \n\ - \n\ - stq $5,24($17) \n\ - xor $6,$7,$7 # 7 cycles from $7 load \n\ - ldq $1,40($21) \n\ - ldq $2,48($17) \n\ - \n\ - ldq $3,48($18) \n\ - xor $7,$22,$22 # 7 cycles from $22 load \n\ - ldq $4,48($19) \n\ - xor $23,$24,$24 # 6 cycles from $24 load \n\ - \n\ - ldq $5,48($20) \n\ - xor $22,$24,$24 \n\ - ldq $6,48($21) \n\ - xor $25,$27,$27 # 7 cycles from $27 load \n\ - \n\ - stq $24,32($17) \n\ - xor $27,$28,$28 # 8 cycles from $28 load \n\ - ldq $7,56($17) \n\ - xor $0,$1,$1 # 6 cycles from $1 load \n\ - \n\ - ldq $22,56($18) \n\ - ldq $23,56($19) \n\ - ldq $24,56($20) \n\ - ldq $25,56($21) \n\ - \n\ - xor $28,$1,$1 \n\ - xor $2,$3,$3 # 9 cycles from $3 load \n\ - xor $3,$4,$4 # 9 cycles from $4 load \n\ - xor $5,$6,$6 # 8 cycles from $6 load \n\ - \n\ - stq $1,40($17) \n\ - xor $4,$6,$6 \n\ - xor $7,$22,$22 # 7 cycles from $22 load \n\ - xor $23,$24,$24 # 6 cycles from $24 load \n\ - \n\ - stq $6,48($17) \n\ - xor $22,$24,$24 \n\ - subq $16,1,$16 \n\ - xor $24,$25,$25 # 8 cycles from $25 load \n\ - \n\ - stq $25,56($17) \n\ - addq $21,64,$21 \n\ - addq $20,64,$20 \n\ - addq $19,64,$19 \n\ - \n\ - addq $18,64,$18 \n\ - addq $17,64,$17 \n\ - bgt $16,5b \n\ - ret \n\ - .end xor_alpha_5 \n\ - \n\ - .align 3 \n\ - .ent xor_alpha_prefetch_2 \n\ -xor_alpha_prefetch_2: \n\ - .prologue 0 \n\ - srl $16, 6, $16 \n\ - \n\ - ldq $31, 0($17) \n\ - ldq $31, 0($18) \n\ - \n\ - ldq $31, 64($17) \n\ - ldq $31, 64($18) \n\ - \n\ - ldq $31, 128($17) \n\ - ldq $31, 128($18) \n\ - \n\ - ldq $31, 192($17) \n\ - ldq $31, 192($18) \n\ - .align 4 \n\ -2: \n\ - ldq $0,0($17) \n\ - ldq $1,0($18) \n\ - ldq $2,8($17) \n\ - ldq $3,8($18) \n\ - \n\ - ldq $4,16($17) \n\ - ldq $5,16($18) \n\ - ldq $6,24($17) \n\ - ldq $7,24($18) \n\ - \n\ - ldq $19,32($17) \n\ - ldq $20,32($18) \n\ - ldq $21,40($17) \n\ - ldq $22,40($18) \n\ - \n\ - ldq $23,48($17) \n\ - ldq $24,48($18) \n\ - ldq $25,56($17) \n\ - ldq $27,56($18) \n\ - \n\ - ldq $31,256($17) \n\ - xor $0,$1,$0 # 8 cycles from $1 load \n\ - ldq $31,256($18) \n\ - xor $2,$3,$2 \n\ - \n\ - stq $0,0($17) \n\ - xor $4,$5,$4 \n\ - stq $2,8($17) \n\ - xor $6,$7,$6 \n\ - \n\ - stq $4,16($17) \n\ - xor $19,$20,$19 \n\ - stq $6,24($17) \n\ - xor $21,$22,$21 \n\ - \n\ - stq $19,32($17) \n\ - xor $23,$24,$23 \n\ - stq $21,40($17) \n\ - xor $25,$27,$25 \n\ - \n\ - stq $23,48($17) \n\ - subq $16,1,$16 \n\ - stq $25,56($17) \n\ - addq $17,64,$17 \n\ - \n\ - addq $18,64,$18 \n\ - bgt $16,2b \n\ - ret \n\ - .end xor_alpha_prefetch_2 \n\ - \n\ - .align 3 \n\ - .ent xor_alpha_prefetch_3 \n\ -xor_alpha_prefetch_3: \n\ - .prologue 0 \n\ - srl $16, 6, $16 \n\ - \n\ - ldq $31, 0($17) \n\ - ldq $31, 0($18) \n\ - ldq $31, 0($19) \n\ - \n\ - ldq $31, 64($17) \n\ - ldq $31, 64($18) \n\ - ldq $31, 64($19) \n\ - \n\ - ldq $31, 128($17) \n\ - ldq $31, 128($18) \n\ - ldq $31, 128($19) \n\ - \n\ - ldq $31, 192($17) \n\ - ldq $31, 192($18) \n\ - ldq $31, 192($19) \n\ - .align 4 \n\ -3: \n\ - ldq $0,0($17) \n\ - ldq $1,0($18) \n\ - ldq $2,0($19) \n\ - ldq $3,8($17) \n\ - \n\ - ldq $4,8($18) \n\ - ldq $6,16($17) \n\ - ldq $7,16($18) \n\ - ldq $21,24($17) \n\ - \n\ - ldq $22,24($18) \n\ - ldq $24,32($17) \n\ - ldq $25,32($18) \n\ - ldq $5,8($19) \n\ - \n\ - ldq $20,16($19) \n\ - ldq $23,24($19) \n\ - ldq $27,32($19) \n\ - nop \n\ - \n\ - xor $0,$1,$1 # 8 cycles from $0 load \n\ - xor $3,$4,$4 # 7 cycles from $4 load \n\ - xor $6,$7,$7 # 6 cycles from $7 load \n\ - xor $21,$22,$22 # 5 cycles from $22 load \n\ - \n\ - xor $1,$2,$2 # 9 cycles from $2 load \n\ - xor $24,$25,$25 # 5 cycles from $25 load \n\ - stq $2,0($17) \n\ - xor $4,$5,$5 # 6 cycles from $5 load \n\ - \n\ - stq $5,8($17) \n\ - xor $7,$20,$20 # 7 cycles from $20 load \n\ - stq $20,16($17) \n\ - xor $22,$23,$23 # 7 cycles from $23 load \n\ - \n\ - stq $23,24($17) \n\ - xor $25,$27,$27 # 7 cycles from $27 load \n\ - stq $27,32($17) \n\ - nop \n\ - \n\ - ldq $0,40($17) \n\ - ldq $1,40($18) \n\ - ldq $3,48($17) \n\ - ldq $4,48($18) \n\ - \n\ - ldq $6,56($17) \n\ - ldq $7,56($18) \n\ - ldq $2,40($19) \n\ - ldq $5,48($19) \n\ - \n\ - ldq $20,56($19) \n\ - ldq $31,256($17) \n\ - ldq $31,256($18) \n\ - ldq $31,256($19) \n\ - \n\ - xor $0,$1,$1 # 6 cycles from $1 load \n\ - xor $3,$4,$4 # 5 cycles from $4 load \n\ - xor $6,$7,$7 # 5 cycles from $7 load \n\ - xor $1,$2,$2 # 4 cycles from $2 load \n\ - \n\ - xor $4,$5,$5 # 5 cycles from $5 load \n\ - xor $7,$20,$20 # 4 cycles from $20 load \n\ - stq $2,40($17) \n\ - subq $16,1,$16 \n\ - \n\ - stq $5,48($17) \n\ - addq $19,64,$19 \n\ - stq $20,56($17) \n\ - addq $18,64,$18 \n\ - \n\ - addq $17,64,$17 \n\ - bgt $16,3b \n\ - ret \n\ - .end xor_alpha_prefetch_3 \n\ - \n\ - .align 3 \n\ - .ent xor_alpha_prefetch_4 \n\ -xor_alpha_prefetch_4: \n\ - .prologue 0 \n\ - srl $16, 6, $16 \n\ - \n\ - ldq $31, 0($17) \n\ - ldq $31, 0($18) \n\ - ldq $31, 0($19) \n\ - ldq $31, 0($20) \n\ - \n\ - ldq $31, 64($17) \n\ - ldq $31, 64($18) \n\ - ldq $31, 64($19) \n\ - ldq $31, 64($20) \n\ - \n\ - ldq $31, 128($17) \n\ - ldq $31, 128($18) \n\ - ldq $31, 128($19) \n\ - ldq $31, 128($20) \n\ - \n\ - ldq $31, 192($17) \n\ - ldq $31, 192($18) \n\ - ldq $31, 192($19) \n\ - ldq $31, 192($20) \n\ - .align 4 \n\ -4: \n\ - ldq $0,0($17) \n\ - ldq $1,0($18) \n\ - ldq $2,0($19) \n\ - ldq $3,0($20) \n\ - \n\ - ldq $4,8($17) \n\ - ldq $5,8($18) \n\ - ldq $6,8($19) \n\ - ldq $7,8($20) \n\ - \n\ - ldq $21,16($17) \n\ - ldq $22,16($18) \n\ - ldq $23,16($19) \n\ - ldq $24,16($20) \n\ - \n\ - ldq $25,24($17) \n\ - xor $0,$1,$1 # 6 cycles from $1 load \n\ - ldq $27,24($18) \n\ - xor $2,$3,$3 # 6 cycles from $3 load \n\ - \n\ - ldq $0,24($19) \n\ - xor $1,$3,$3 \n\ - ldq $1,24($20) \n\ - xor $4,$5,$5 # 7 cycles from $5 load \n\ - \n\ - stq $3,0($17) \n\ - xor $6,$7,$7 \n\ - xor $21,$22,$22 # 7 cycles from $22 load \n\ - xor $5,$7,$7 \n\ - \n\ - stq $7,8($17) \n\ - xor $23,$24,$24 # 7 cycles from $24 load \n\ - ldq $2,32($17) \n\ - xor $22,$24,$24 \n\ - \n\ - ldq $3,32($18) \n\ - ldq $4,32($19) \n\ - ldq $5,32($20) \n\ - xor $25,$27,$27 # 8 cycles from $27 load \n\ - \n\ - ldq $6,40($17) \n\ - ldq $7,40($18) \n\ - ldq $21,40($19) \n\ - ldq $22,40($20) \n\ - \n\ - stq $24,16($17) \n\ - xor $0,$1,$1 # 9 cycles from $1 load \n\ - xor $2,$3,$3 # 5 cycles from $3 load \n\ - xor $27,$1,$1 \n\ - \n\ - stq $1,24($17) \n\ - xor $4,$5,$5 # 5 cycles from $5 load \n\ - ldq $23,48($17) \n\ - xor $3,$5,$5 \n\ - \n\ - ldq $24,48($18) \n\ - ldq $25,48($19) \n\ - ldq $27,48($20) \n\ - ldq $0,56($17) \n\ - \n\ - ldq $1,56($18) \n\ - ldq $2,56($19) \n\ - ldq $3,56($20) \n\ - xor $6,$7,$7 # 8 cycles from $6 load \n\ - \n\ - ldq $31,256($17) \n\ - xor $21,$22,$22 # 8 cycles from $22 load \n\ - ldq $31,256($18) \n\ - xor $7,$22,$22 \n\ - \n\ - ldq $31,256($19) \n\ - xor $23,$24,$24 # 6 cycles from $24 load \n\ - ldq $31,256($20) \n\ - xor $25,$27,$27 # 6 cycles from $27 load \n\ - \n\ - stq $5,32($17) \n\ - xor $24,$27,$27 \n\ - xor $0,$1,$1 # 7 cycles from $1 load \n\ - xor $2,$3,$3 # 6 cycles from $3 load \n\ - \n\ - stq $22,40($17) \n\ - xor $1,$3,$3 \n\ - stq $27,48($17) \n\ - subq $16,1,$16 \n\ - \n\ - stq $3,56($17) \n\ - addq $20,64,$20 \n\ - addq $19,64,$19 \n\ - addq $18,64,$18 \n\ - \n\ - addq $17,64,$17 \n\ - bgt $16,4b \n\ - ret \n\ - .end xor_alpha_prefetch_4 \n\ - \n\ - .align 3 \n\ - .ent xor_alpha_prefetch_5 \n\ -xor_alpha_prefetch_5: \n\ - .prologue 0 \n\ - srl $16, 6, $16 \n\ - \n\ - ldq $31, 0($17) \n\ - ldq $31, 0($18) \n\ - ldq $31, 0($19) \n\ - ldq $31, 0($20) \n\ - ldq $31, 0($21) \n\ - \n\ - ldq $31, 64($17) \n\ - ldq $31, 64($18) \n\ - ldq $31, 64($19) \n\ - ldq $31, 64($20) \n\ - ldq $31, 64($21) \n\ - \n\ - ldq $31, 128($17) \n\ - ldq $31, 128($18) \n\ - ldq $31, 128($19) \n\ - ldq $31, 128($20) \n\ - ldq $31, 128($21) \n\ - \n\ - ldq $31, 192($17) \n\ - ldq $31, 192($18) \n\ - ldq $31, 192($19) \n\ - ldq $31, 192($20) \n\ - ldq $31, 192($21) \n\ - .align 4 \n\ -5: \n\ - ldq $0,0($17) \n\ - ldq $1,0($18) \n\ - ldq $2,0($19) \n\ - ldq $3,0($20) \n\ - \n\ - ldq $4,0($21) \n\ - ldq $5,8($17) \n\ - ldq $6,8($18) \n\ - ldq $7,8($19) \n\ - \n\ - ldq $22,8($20) \n\ - ldq $23,8($21) \n\ - ldq $24,16($17) \n\ - ldq $25,16($18) \n\ - \n\ - ldq $27,16($19) \n\ - xor $0,$1,$1 # 6 cycles from $1 load \n\ - ldq $28,16($20) \n\ - xor $2,$3,$3 # 6 cycles from $3 load \n\ - \n\ - ldq $0,16($21) \n\ - xor $1,$3,$3 \n\ - ldq $1,24($17) \n\ - xor $3,$4,$4 # 7 cycles from $4 load \n\ - \n\ - stq $4,0($17) \n\ - xor $5,$6,$6 # 7 cycles from $6 load \n\ - xor $7,$22,$22 # 7 cycles from $22 load \n\ - xor $6,$23,$23 # 7 cycles from $23 load \n\ - \n\ - ldq $2,24($18) \n\ - xor $22,$23,$23 \n\ - ldq $3,24($19) \n\ - xor $24,$25,$25 # 8 cycles from $25 load \n\ - \n\ - stq $23,8($17) \n\ - xor $25,$27,$27 # 8 cycles from $27 load \n\ - ldq $4,24($20) \n\ - xor $28,$0,$0 # 7 cycles from $0 load \n\ - \n\ - ldq $5,24($21) \n\ - xor $27,$0,$0 \n\ - ldq $6,32($17) \n\ - ldq $7,32($18) \n\ - \n\ - stq $0,16($17) \n\ - xor $1,$2,$2 # 6 cycles from $2 load \n\ - ldq $22,32($19) \n\ - xor $3,$4,$4 # 4 cycles from $4 load \n\ - \n\ - ldq $23,32($20) \n\ - xor $2,$4,$4 \n\ - ldq $24,32($21) \n\ - ldq $25,40($17) \n\ - \n\ - ldq $27,40($18) \n\ - ldq $28,40($19) \n\ - ldq $0,40($20) \n\ - xor $4,$5,$5 # 7 cycles from $5 load \n\ - \n\ - stq $5,24($17) \n\ - xor $6,$7,$7 # 7 cycles from $7 load \n\ - ldq $1,40($21) \n\ - ldq $2,48($17) \n\ - \n\ - ldq $3,48($18) \n\ - xor $7,$22,$22 # 7 cycles from $22 load \n\ - ldq $4,48($19) \n\ - xor $23,$24,$24 # 6 cycles from $24 load \n\ - \n\ - ldq $5,48($20) \n\ - xor $22,$24,$24 \n\ - ldq $6,48($21) \n\ - xor $25,$27,$27 # 7 cycles from $27 load \n\ - \n\ - stq $24,32($17) \n\ - xor $27,$28,$28 # 8 cycles from $28 load \n\ - ldq $7,56($17) \n\ - xor $0,$1,$1 # 6 cycles from $1 load \n\ - \n\ - ldq $22,56($18) \n\ - ldq $23,56($19) \n\ - ldq $24,56($20) \n\ - ldq $25,56($21) \n\ - \n\ - ldq $31,256($17) \n\ - xor $28,$1,$1 \n\ - ldq $31,256($18) \n\ - xor $2,$3,$3 # 9 cycles from $3 load \n\ - \n\ - ldq $31,256($19) \n\ - xor $3,$4,$4 # 9 cycles from $4 load \n\ - ldq $31,256($20) \n\ - xor $5,$6,$6 # 8 cycles from $6 load \n\ - \n\ - stq $1,40($17) \n\ - xor $4,$6,$6 \n\ - xor $7,$22,$22 # 7 cycles from $22 load \n\ - xor $23,$24,$24 # 6 cycles from $24 load \n\ - \n\ - stq $6,48($17) \n\ - xor $22,$24,$24 \n\ - ldq $31,256($21) \n\ - xor $24,$25,$25 # 8 cycles from $25 load \n\ - \n\ - stq $25,56($17) \n\ - subq $16,1,$16 \n\ - addq $21,64,$21 \n\ - addq $20,64,$20 \n\ - \n\ - addq $19,64,$19 \n\ - addq $18,64,$18 \n\ - addq $17,64,$17 \n\ - bgt $16,5b \n\ - \n\ - ret \n\ - .end xor_alpha_prefetch_5 \n\ -"); - -static struct xor_block_template xor_block_alpha = { - .name = "alpha", - .do_2 = xor_alpha_2, - .do_3 = xor_alpha_3, - .do_4 = xor_alpha_4, - .do_5 = xor_alpha_5, -}; - -static struct xor_block_template xor_block_alpha_prefetch = { - .name = "alpha prefetch", - .do_2 = xor_alpha_prefetch_2, - .do_3 = xor_alpha_prefetch_3, - .do_4 = xor_alpha_prefetch_4, - .do_5 = xor_alpha_prefetch_5, -}; - -/* For grins, also test the generic routines. */ -#include <asm-generic/xor.h> - -#undef XOR_TRY_TEMPLATES -#define XOR_TRY_TEMPLATES \ - do { \ - xor_speed(&xor_block_8regs); \ - xor_speed(&xor_block_32regs); \ - xor_speed(&xor_block_alpha); \ - xor_speed(&xor_block_alpha_prefetch); \ - } while (0) - -/* Force the use of alpha_prefetch if EV6, as it is significantly - faster in the cold cache case. */ -#define XOR_SELECT_TEMPLATE(FASTEST) \ - (implver() == IMPLVER_EV6 ? &xor_block_alpha_prefetch : FASTEST) diff --git a/arch/alpha/include/uapi/asm/errno.h b/arch/alpha/include/uapi/asm/errno.h index 3d265f6babaf..6791f6508632 100644 --- a/arch/alpha/include/uapi/asm/errno.h +++ b/arch/alpha/include/uapi/asm/errno.h @@ -55,6 +55,7 @@ #define ENOSR 82 /* Out of streams resources */ #define ETIME 83 /* Timer expired */ #define EBADMSG 84 /* Not a data message */ +#define EFSBADCRC EBADMSG /* Bad CRC detected */ #define EPROTO 85 /* Protocol error */ #define ENODATA 86 /* No data available */ #define ENOSTR 87 /* Device not a stream */ @@ -96,6 +97,7 @@ #define EREMCHG 115 /* Remote address changed */ #define EUCLEAN 117 /* Structure needs cleaning */ +#define EFSCORRUPTED EUCLEAN /* Filesystem is corrupted */ #define ENOTNAM 118 /* Not a XENIX named type file */ #define ENAVAIL 119 /* No XENIX semaphores available */ #define EISNAM 120 /* Is a named type file */ diff --git a/arch/alpha/include/uapi/asm/ioctls.h b/arch/alpha/include/uapi/asm/ioctls.h index 971311605288..a09d04b49cc6 100644 --- a/arch/alpha/include/uapi/asm/ioctls.h +++ b/arch/alpha/include/uapi/asm/ioctls.h @@ -23,10 +23,10 @@ #define TCSETSW _IOW('t', 21, struct termios) #define TCSETSF _IOW('t', 22, struct termios) -#define TCGETA _IOR('t', 23, struct termio) -#define TCSETA _IOW('t', 24, struct termio) -#define TCSETAW _IOW('t', 25, struct termio) -#define TCSETAF _IOW('t', 28, struct termio) +#define TCGETA 0x40127417 +#define TCSETA 0x80127418 +#define TCSETAW 0x80127419 +#define TCSETAF 0x8012741c #define TCSBRK _IO('t', 29) #define TCXONC _IO('t', 30) diff --git a/arch/alpha/include/uapi/asm/param.h b/arch/alpha/include/uapi/asm/param.h index 49c7119934e2..e4e410f9bf85 100644 --- a/arch/alpha/include/uapi/asm/param.h +++ b/arch/alpha/include/uapi/asm/param.h @@ -2,14 +2,9 @@ #ifndef _UAPI_ASM_ALPHA_PARAM_H #define _UAPI_ASM_ALPHA_PARAM_H -#define HZ 1024 - +#define __USER_HZ 1024 #define EXEC_PAGESIZE 8192 -#ifndef NOGROUP -#define NOGROUP (-1) -#endif - -#define MAXHOSTNAMELEN 64 /* max length of hostname */ +#include <asm-generic/param.h> #endif /* _UAPI_ASM_ALPHA_PARAM_H */ diff --git a/arch/alpha/include/uapi/asm/ptrace.h b/arch/alpha/include/uapi/asm/ptrace.h index 5ca45934fcbb..72ed913a910f 100644 --- a/arch/alpha/include/uapi/asm/ptrace.h +++ b/arch/alpha/include/uapi/asm/ptrace.h @@ -42,6 +42,8 @@ struct pt_regs { unsigned long trap_a0; unsigned long trap_a1; unsigned long trap_a2; +/* This makes the stack 16-byte aligned as GCC expects */ + unsigned long __pad0; /* These are saved by PAL-code: */ unsigned long ps; unsigned long pc; diff --git a/arch/alpha/include/uapi/asm/socket.h b/arch/alpha/include/uapi/asm/socket.h index 3df5f2dd4c0f..5ef57f88df6b 100644 --- a/arch/alpha/include/uapi/asm/socket.h +++ b/arch/alpha/include/uapi/asm/socket.h @@ -150,6 +150,11 @@ #define SO_RCVPRIORITY 82 +#define SO_PASSRIGHTS 83 + +#define SO_INQ 84 +#define SCM_INQ SO_INQ + #if !defined(__KERNEL__) #if __BITS_PER_LONG == 64 |