{
long ret = -EINVAL;
- if (!arch_validate_prot(prot))
+ if (!arch_validate_prot(prot, addr))
goto out;
if (shift) {
off >>= shift;
}
- ret = sys_mmap_pgoff(addr, len, prot, flags, fd, off);
+ ret = ksys_mmap_pgoff(addr, len, prot, flags, fd, off);
out:
return ret;
}
long ppc_fadvise64_64(int fd, int advice, u32 offset_high, u32 offset_low,
u32 len_high, u32 len_low)
{
- return sys_fadvise64(fd, (u64)offset_high << 32 | offset_low,
- (u64)len_high << 32 | len_low, advice);
+ return ksys_fadvise64_64(fd, (u64)offset_high << 32 | offset_low,
+ (u64)len_high << 32 | len_low, advice);
}
long sys_switch_endian(void)
#endif /* CONFIG_TRANSPARENT_HUGEPAGE */
#endif
+ #ifndef __HAVE_ARCH_DO_SWAP_PAGE
+ /*
+ * Some architectures support metadata associated with a page. When a
+ * page is being swapped out, this metadata must be saved so it can be
+ * restored when the page is swapped back in. SPARC M7 and newer
+ * processors support an ADI (Application Data Integrity) tag for the
+ * page as metadata for the page. arch_do_swap_page() can restore this
+ * metadata when a page is swapped back in.
+ */
+ static inline void arch_do_swap_page(struct mm_struct *mm,
+ struct vm_area_struct *vma,
+ unsigned long addr,
+ pte_t pte, pte_t oldpte)
+ {
+
+ }
+ #endif
+
+ #ifndef __HAVE_ARCH_UNMAP_ONE
+ /*
+ * Some architectures support metadata associated with a page. When a
+ * page is being swapped out, this metadata must be saved so it can be
+ * restored when the page is swapped back in. SPARC M7 and newer
+ * processors support an ADI (Application Data Integrity) tag for the
+ * page as metadata for the page. arch_unmap_one() can save this
+ * metadata on a swap-out of a page.
+ */
+ static inline int arch_unmap_one(struct mm_struct *mm,
+ struct vm_area_struct *vma,
+ unsigned long addr,
+ pte_t orig_pte)
+ {
+ return 0;
+ }
+ #endif
+
#ifndef __HAVE_ARCH_PGD_OFFSET_GATE
#define pgd_offset_gate(mm, addr) pgd_offset(mm, addr)
#endif
int pmd_set_huge(pmd_t *pmd, phys_addr_t addr, pgprot_t prot);
int pud_clear_huge(pud_t *pud);
int pmd_clear_huge(pmd_t *pmd);
+int pud_free_pmd_page(pud_t *pud);
+int pmd_free_pte_page(pmd_t *pmd);
#else /* !CONFIG_HAVE_ARCH_HUGE_VMAP */
static inline int p4d_set_huge(p4d_t *p4d, phys_addr_t addr, pgprot_t prot)
{
{
return 0;
}
+static inline int pud_free_pmd_page(pud_t *pud)
+{
+ return 0;
+}
+static inline int pmd_free_pte_page(pmd_t *pmd)
+{
+ return 0;
+}
#endif /* CONFIG_HAVE_ARCH_HUGE_VMAP */
#ifndef __HAVE_ARCH_FLUSH_PMD_TLB_RANGE
# define VM_SAO VM_ARCH_1 /* Strong Access Ordering (powerpc) */
#elif defined(CONFIG_PARISC)
# define VM_GROWSUP VM_ARCH_1
-#elif defined(CONFIG_METAG)
-# define VM_GROWSUP VM_ARCH_1
#elif defined(CONFIG_IA64)
# define VM_GROWSUP VM_ARCH_1
+ #elif defined(CONFIG_SPARC64)
+ # define VM_SPARC_ADI VM_ARCH_1 /* Uses ADI tag for access control */
+ # define VM_ARCH_CLEAR VM_SPARC_ADI
#elif !defined(CONFIG_MMU)
# define VM_MAPPED_COPY VM_ARCH_1 /* T if mapped copy of data (nommu mmap) */
#endif
/* This mask is used to clear all the VMA flags used by mlock */
#define VM_LOCKED_CLEAR_MASK (~(VM_LOCKED | VM_LOCKONFAULT))
+ /* Arch-specific flags to clear when updating VM flags on protection change */
+ #ifndef VM_ARCH_CLEAR
+ # define VM_ARCH_CLEAR VM_NONE
+ #endif
+ #define VM_FLAGS_CLEAR (ARCH_VM_PKEY_FLAGS | VM_ARCH_CLEAR)
+
/*
* mapping from the currently active vm_flags protection bits (the
* low four bits) to a page protection mask..
* SIGILL si_codes
*/
#define ILL_ILLOPC 1 /* illegal opcode */
-#ifdef __bfin__
-# define ILL_ILLPARAOP 2 /* illegal opcode combine */
-#endif
#define ILL_ILLOPN 2 /* illegal operand */
#define ILL_ILLADR 3 /* illegal addressing mode */
#define ILL_ILLTRP 4 /* illegal trap */
-#ifdef __bfin__
-# define ILL_ILLEXCPT 4 /* unrecoverable exception */
-#endif
#define ILL_PRVOPC 5 /* privileged opcode */
#define ILL_PRVREG 6 /* privileged register */
#define ILL_COPROC 7 /* coprocessor error */
#define ILL_BADSTK 8 /* internal stack error */
-#ifdef __bfin__
-# define ILL_CPLB_VI 9 /* D/I CPLB protect violation */
-# define ILL_CPLB_MISS 10 /* D/I CPLB miss */
-# define ILL_CPLB_MULHIT 11 /* D/I CPLB multiple hit */
-#endif
-#ifdef __tile__
-# define ILL_DBLFLT 9 /* double fault */
-# define ILL_HARDWALL 10 /* user networks hardwall violation */
-#endif
-#ifdef __ia64__
-# define ILL_BADIADDR 9 /* unimplemented instruction address */
-# define __ILL_BREAK 10 /* illegal break */
-# define __ILL_BNDMOD 11 /* bundle-update (modification) in progress */
-#endif
+#define ILL_BADIADDR 9 /* unimplemented instruction address */
+#define __ILL_BREAK 10 /* illegal break */
+#define __ILL_BNDMOD 11 /* bundle-update (modification) in progress */
#define NSIGILL 11
/*
#define FPE_FLTRES 6 /* floating point inexact result */
#define FPE_FLTINV 7 /* floating point invalid operation */
#define FPE_FLTSUB 8 /* subscript out of range */
-#ifdef __frv__
-# define FPE_MDAOVF 9 /* media overflow */
-#endif
-#ifdef __ia64__
-# define __FPE_DECOVF 9 /* decimal overflow */
-# define __FPE_DECDIV 10 /* decimal division by zero */
-# define __FPE_DECERR 11 /* packed decimal error */
-# define __FPE_INVASC 12 /* invalid ASCII digit */
-# define __FPE_INVDEC 13 /* invalid decimal digit */
-#endif
+#define __FPE_DECOVF 9 /* decimal overflow */
+#define __FPE_DECDIV 10 /* decimal division by zero */
+#define __FPE_DECERR 11 /* packed decimal error */
+#define __FPE_INVASC 12 /* invalid ASCII digit */
+#define __FPE_INVDEC 13 /* invalid decimal digit */
#define NSIGFPE 13
/*
*/
#define SEGV_MAPERR 1 /* address not mapped to object */
#define SEGV_ACCERR 2 /* invalid permissions for mapped object */
-#ifdef __bfin__
-# define SEGV_STACKFLOW 3 /* stack overflow */
-#else
-# define SEGV_BNDERR 3 /* failed address bound checks */
-#endif
+#define SEGV_BNDERR 3 /* failed address bound checks */
#ifdef __ia64__
# define __SEGV_PSTKOVF 4 /* paragraph stack overflow */
#else
# define SEGV_PKUERR 4 /* failed protection key checks */
#endif
- #define NSIGSEGV 4
+ #define SEGV_ACCADI 5 /* ADI not enabled for mapped object */
+ #define SEGV_ADIDERR 6 /* Disrupting MCD error */
+ #define SEGV_ADIPERR 7 /* Precise MCD exception */
+ #define NSIGSEGV 7
/*
* SIGBUS si_codes
#define BUS_ADRALN 1 /* invalid address alignment */
#define BUS_ADRERR 2 /* non-existent physical address */
#define BUS_OBJERR 3 /* object specific hardware error */
-#ifdef __bfin__
-# define BUS_OPFETCH 4 /* error from instruction fetch */
-#else
/* hardware memory error consumed on a machine check: action required */
-# define BUS_MCEERR_AR 4
-#endif
+#define BUS_MCEERR_AR 4
/* hardware memory error detected in process but not consumed: action optional*/
#define BUS_MCEERR_AO 5
#define NSIGBUS 5
#define TRAP_TRACE 2 /* process trace trap */
#define TRAP_BRANCH 3 /* process taken branch trap */
#define TRAP_HWBKPT 4 /* hardware breakpoint/watchpoint */
-#ifdef __bfin__
-# define TRAP_STEP 1 /* single-step breakpoint */
-# define TRAP_TRACEFLOW 2 /* trace buffer overflow */
-# define TRAP_WATCHPT 3 /* watchpoint match */
-# define TRAP_ILLTRAP 4 /* illegal trap */
-#endif
#define NSIGTRAP 4
/*