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authorAdrian Bunk <bunk@stusta.de>2007-02-19 19:07:13 -0500
committerDave Jones <davej@redhat.com>2007-02-20 14:29:37 -0500
commitb44755cfaa72e7ed3d831a946bb4e7dfe7548966 (patch)
tree251cf0ab5aa9c39bab3f0981ab96021b5523bee3 /include/asm-i386/msr.h
parent48ac3271e52d23ee987da93f80d20f6bec8e6717 (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/msr.h')
-rw-r--r--include/asm-i386/msr.h11
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
86void rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h); 87void rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h);
87void wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h); 88void wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h);
89#else /* CONFIG_SMP */
90static inline void rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h)
91{
92 rdmsr(msr_no, *l, *h);
93}
94static 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. */