diff options
author | Adrian Bunk <bunk@stusta.de> | 2007-02-19 19:07:13 -0500 |
---|---|---|
committer | Dave Jones <davej@redhat.com> | 2007-02-20 14:29:37 -0500 |
commit | b44755cfaa72e7ed3d831a946bb4e7dfe7548966 (patch) | |
tree | 251cf0ab5aa9c39bab3f0981ab96021b5523bee3 /include/asm-i386 | |
parent | 48ac3271e52d23ee987da93f80d20f6bec8e6717 (diff) |
{rd,wr}msr_on_cpu SMP=n optimization
Let's save a few bytes in the CONFIG_SMP=n case.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Dave Jones <davej@redhat.com>
Diffstat (limited to 'include/asm-i386')
-rw-r--r-- | include/asm-i386/msr.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/asm-i386/msr.h b/include/asm-i386/msr.h index 3516a1fb38e0..8c35f3d90a89 100644 --- a/include/asm-i386/msr.h +++ b/include/asm-i386/msr.h | |||
@@ -83,8 +83,19 @@ static inline void wrmsrl (unsigned long msr, unsigned long long val) | |||
83 | : "c" (counter)) | 83 | : "c" (counter)) |
84 | #endif /* !CONFIG_PARAVIRT */ | 84 | #endif /* !CONFIG_PARAVIRT */ |
85 | 85 | ||
86 | #ifdef CONFIG_SMP | ||
86 | void rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h); | 87 | void rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h); |
87 | void wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h); | 88 | void wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h); |
89 | #else /* CONFIG_SMP */ | ||
90 | static inline void rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h) | ||
91 | { | ||
92 | rdmsr(msr_no, *l, *h); | ||
93 | } | ||
94 | static inline void wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h) | ||
95 | { | ||
96 | wrmsr(msr_no, l, h); | ||
97 | } | ||
98 | #endif /* CONFIG_SMP */ | ||
88 | 99 | ||
89 | /* symbolic names for some interesting MSRs */ | 100 | /* symbolic names for some interesting MSRs */ |
90 | /* Intel defined MSRs. */ | 101 | /* Intel defined MSRs. */ |