diff options
Diffstat (limited to 'arch/tile/include/asm/uaccess.h')
| -rw-r--r-- | arch/tile/include/asm/uaccess.h | 37 |
1 files changed, 6 insertions, 31 deletions
diff --git a/arch/tile/include/asm/uaccess.h b/arch/tile/include/asm/uaccess.h index e4d44bd7df2..b6cde3209b9 100644 --- a/arch/tile/include/asm/uaccess.h +++ b/arch/tile/include/asm/uaccess.h @@ -127,8 +127,10 @@ extern int fixup_exception(struct pt_regs *regs); #ifdef __LP64__ #define _ASM_PTR ".quad" +#define _ASM_ALIGN ".align 8" #else #define _ASM_PTR ".long" +#define _ASM_ALIGN ".align 4" #endif #define __get_user_asm(OP, x, ptr, ret) \ @@ -137,6 +139,7 @@ extern int fixup_exception(struct pt_regs *regs); "0: { movei %1, 0; movei %0, %3 }\n" \ "j 9f\n" \ ".section __ex_table,\"a\"\n" \ + _ASM_ALIGN "\n" \ _ASM_PTR " 1b, 0b\n" \ ".popsection\n" \ "9:" \ @@ -168,6 +171,7 @@ extern int fixup_exception(struct pt_regs *regs); "0: { movei %1, 0; movei %2, 0 }\n" \ "{ movei %0, %4; j 9f }\n" \ ".section __ex_table,\"a\"\n" \ + ".align 4\n" \ ".word 1b, 0b\n" \ ".word 2b, 0b\n" \ ".popsection\n" \ @@ -224,6 +228,7 @@ extern int __get_user_bad(void) ".pushsection .fixup,\"ax\"\n" \ "0: { movei %0, %3; j 9f }\n" \ ".section __ex_table,\"a\"\n" \ + _ASM_ALIGN "\n" \ _ASM_PTR " 1b, 0b\n" \ ".popsection\n" \ "9:" \ @@ -248,6 +253,7 @@ extern int __get_user_bad(void) ".pushsection .fixup,\"ax\"\n" \ "0: { movei %0, %4; j 9f }\n" \ ".section __ex_table,\"a\"\n" \ + ".align 4\n" \ ".word 1b, 0b\n" \ ".word 2b, 0b\n" \ ".popsection\n" \ @@ -567,37 +573,6 @@ static inline unsigned long __must_check flush_user( } /** - * inv_user: - Invalidate a block of memory in user space from cache. - * @mem: Destination address, in user space. - * @len: Number of bytes to invalidate. - * - * Returns number of bytes that could not be invalidated. - * On success, this will be zero. - * - * Note that on Tile64, the "inv" operation is in fact a - * "flush and invalidate", so cache write-backs will occur prior - * to the cache being marked invalid. - */ -extern unsigned long inv_user_asm(void __user *mem, unsigned long len); -static inline unsigned long __must_check __inv_user( - void __user *mem, unsigned long len) -{ - int retval; - - might_fault(); - retval = inv_user_asm(mem, len); - mb_incoherent(); - return retval; -} -static inline unsigned long __must_check inv_user( - void __user *mem, unsigned long len) -{ - if (access_ok(VERIFY_WRITE, mem, len)) - return __inv_user(mem, len); - return len; -} - -/** * finv_user: - Flush-inval a block of memory in user space from cache. * @mem: Destination address, in user space. * @len: Number of bytes to invalidate. |