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| author |   Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-26 14:17:50 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-26 14:17:50 -0800 |
| commit | 6f8c480f998a619082f18407f8d7f4c29e94dc6e (patch) | |
| tree | 5047fe0d685fe9eab64c506fa1001e7df5e65faa /include/asm-x86_64 | |
| parent | Merge master.kernel.org:/home/rmk/linux-2.6-arm (diff) | |
| parent | [CPUFREQ] constify some data tables. (diff) | |
| download | linux-dev-6f8c480f998a619082f18407f8d7f4c29e94dc6e.tar.xz linux-dev-6f8c480f998a619082f18407f8d7f4c29e94dc6e.zip | |
Merge master.kernel.org:/pub/scm/linux/kernel/git/davej/cpufreq
* master.kernel.org:/pub/scm/linux/kernel/git/davej/cpufreq:
[CPUFREQ] constify some data tables.
[CPUFREQ] constify cpufreq_driver where possible.
{rd,wr}msr_on_cpu SMP=n optimization
[CPUFREQ] cpufreq_ondemand.c: don't use _WORK_NAR
rdmsr_on_cpu, wrmsr_on_cpu
[CPUFREQ] Revert default on deprecated config X86_SPEEDSTEP_CENTRINO_ACPI
Diffstat (limited to 'include/asm-x86_64')
| -rw-r--r-- | include/asm-x86_64/msr.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/asm-x86_64/msr.h b/include/asm-x86_64/msr.h index 3227bc93d69b..902f9a58617e 100644 --- a/include/asm-x86_64/msr.h +++ b/include/asm-x86_64/msr.h @@ -160,6 +160,19 @@ static inline unsigned int cpuid_edx(unsigned int op) #define MSR_IA32_UCODE_WRITE 0x79 #define MSR_IA32_UCODE_REV 0x8b +#ifdef CONFIG_SMP +void rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h); +void wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h); +#else /* CONFIG_SMP */ +static inline void rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h) +{ + rdmsr(msr_no, *l, *h); +} +static inline void wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h) +{ + wrmsr(msr_no, l, h); +} +#endif /* CONFIG_SMP */ #endif |