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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-x86_64
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-x86_64')
-rw-r--r--include/asm-x86_64/msr.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/asm-x86_64/msr.h b/include/asm-x86_64/msr.h
index 995a2b5fb26b..902f9a58617e 100644
--- a/include/asm-x86_64/msr.h
+++ b/include/asm-x86_64/msr.h
@@ -160,8 +160,19 @@ static inline unsigned int cpuid_edx(unsigned int op)
160#define MSR_IA32_UCODE_WRITE 0x79 160#define MSR_IA32_UCODE_WRITE 0x79
161#define MSR_IA32_UCODE_REV 0x8b 161#define MSR_IA32_UCODE_REV 0x8b
162 162
163#ifdef CONFIG_SMP
163void rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h); 164void rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h);
164void wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h); 165void wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h);
166#else /* CONFIG_SMP */
167static inline void rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h)
168{
169 rdmsr(msr_no, *l, *h);
170}
171static inline void wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h)
172{
173 wrmsr(msr_no, l, h);
174}
175#endif /* CONFIG_SMP */
165 176
166#endif 177#endif
167 178