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| author | Ingo Molnar <mingo@kernel.org> | 2016-09-26 12:12:45 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-09-26 12:12:45 +0300 |
| commit | 6fae257f0b294d7abe7adfb08277bfd5472ed717 (patch) | |
| tree | 22ee5582cff79487dac0d26bbc07593980472428 /arch/x86/include/asm | |
| parent | 7cc4ef8ed132e72ba44804cae3ddb2587ff757d6 (diff) | |
| parent | 08895a8b6b06ed2323cd97a36ee40a116b3db8ed (diff) | |
| download | linux-6fae257f0b294d7abe7adfb08277bfd5472ed717.tar.xz | |
Merge tag 'v4.8-rc8' into ras/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/include/asm')
| -rw-r--r-- | arch/x86/include/asm/uaccess.h | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/arch/x86/include/asm/uaccess.h b/arch/x86/include/asm/uaccess.h index c3f291195294..2131c4ce7d8a 100644 --- a/arch/x86/include/asm/uaccess.h +++ b/arch/x86/include/asm/uaccess.h @@ -433,7 +433,11 @@ do { \ #define __get_user_asm_ex(x, addr, itype, rtype, ltype) \ asm volatile("1: mov"itype" %1,%"rtype"0\n" \ "2:\n" \ - _ASM_EXTABLE_EX(1b, 2b) \ + ".section .fixup,\"ax\"\n" \ + "3:xor"itype" %"rtype"0,%"rtype"0\n" \ + " jmp 2b\n" \ + ".previous\n" \ + _ASM_EXTABLE_EX(1b, 3b) \ : ltype(x) : "m" (__m(addr))) #define __put_user_nocheck(x, ptr, size) \ @@ -705,7 +709,7 @@ static inline void copy_user_overflow(int size, unsigned long count) WARN(1, "Buffer overflow detected (%d < %lu)!\n", size, count); } -static inline unsigned long __must_check +static __always_inline unsigned long __must_check copy_from_user(void *to, const void __user *from, unsigned long n) { int sz = __compiletime_object_size(to); @@ -725,7 +729,7 @@ copy_from_user(void *to, const void __user *from, unsigned long n) return n; } -static inline unsigned long __must_check +static __always_inline unsigned long __must_check copy_to_user(void __user *to, const void *from, unsigned long n) { int sz = __compiletime_object_size(from); |