diff options
author | James Morris <jmorris@namei.org> | 2008-11-13 19:29:12 -0500 |
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committer | James Morris <jmorris@namei.org> | 2008-11-13 19:29:12 -0500 |
commit | 2b828925652340277a889cbc11b2d0637f7cdaf7 (patch) | |
tree | 32fcb3d3e466fc419fad2d3717956a5b5ad3d35a /arch/x86/include/asm/tsc.h | |
parent | 3a3b7ce9336952ea7b9564d976d068a238976c9d (diff) | |
parent | 58e20d8d344b0ee083febb18c2b021d2427e56ca (diff) |
Merge branch 'master' into next
Conflicts:
security/keys/internal.h
security/keys/process_keys.c
security/keys/request_key.c
Fixed conflicts above by using the non 'tsk' versions.
Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'arch/x86/include/asm/tsc.h')
-rw-r--r-- | arch/x86/include/asm/tsc.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/x86/include/asm/tsc.h b/arch/x86/include/asm/tsc.h index 38ae163cc91b..9cd83a8e40d5 100644 --- a/arch/x86/include/asm/tsc.h +++ b/arch/x86/include/asm/tsc.h | |||
@@ -34,6 +34,8 @@ static inline cycles_t get_cycles(void) | |||
34 | 34 | ||
35 | static __always_inline cycles_t vget_cycles(void) | 35 | static __always_inline cycles_t vget_cycles(void) |
36 | { | 36 | { |
37 | cycles_t cycles; | ||
38 | |||
37 | /* | 39 | /* |
38 | * We only do VDSOs on TSC capable CPUs, so this shouldnt | 40 | * We only do VDSOs on TSC capable CPUs, so this shouldnt |
39 | * access boot_cpu_data (which is not VDSO-safe): | 41 | * access boot_cpu_data (which is not VDSO-safe): |
@@ -42,7 +44,11 @@ static __always_inline cycles_t vget_cycles(void) | |||
42 | if (!cpu_has_tsc) | 44 | if (!cpu_has_tsc) |
43 | return 0; | 45 | return 0; |
44 | #endif | 46 | #endif |
45 | return (cycles_t)__native_read_tsc(); | 47 | rdtsc_barrier(); |
48 | cycles = (cycles_t)__native_read_tsc(); | ||
49 | rdtsc_barrier(); | ||
50 | |||
51 | return cycles; | ||
46 | } | 52 | } |
47 | 53 | ||
48 | extern void tsc_init(void); | 54 | extern void tsc_init(void); |