diff options
Diffstat (limited to 'arch/x86/lib/usercopy_32.c')
-rw-r--r-- | arch/x86/lib/usercopy_32.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/lib/usercopy_32.c b/arch/x86/lib/usercopy_32.c index 24e60944971a..9e68075544f6 100644 --- a/arch/x86/lib/usercopy_32.c +++ b/arch/x86/lib/usercopy_32.c | |||
@@ -14,6 +14,13 @@ | |||
14 | #include <asm/uaccess.h> | 14 | #include <asm/uaccess.h> |
15 | #include <asm/mmx.h> | 15 | #include <asm/mmx.h> |
16 | 16 | ||
17 | #ifdef CONFIG_X86_INTEL_USERCOPY | ||
18 | /* | ||
19 | * Alignment at which movsl is preferred for bulk memory copies. | ||
20 | */ | ||
21 | struct movsl_mask movsl_mask __read_mostly; | ||
22 | #endif | ||
23 | |||
17 | static inline int __movsl_is_ok(unsigned long a1, unsigned long a2, unsigned long n) | 24 | static inline int __movsl_is_ok(unsigned long a1, unsigned long a2, unsigned long n) |
18 | { | 25 | { |
19 | #ifdef CONFIG_X86_INTEL_USERCOPY | 26 | #ifdef CONFIG_X86_INTEL_USERCOPY |