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author | Ingo Molnar <mingo@elte.hu> | 2009-06-11 23:31:52 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-06-11 23:31:52 +0200 |
commit | 0d5959723e1db3fd7323c198a50c16cecf96c7a9 (patch) | |
tree | 802b623fff261ebcbbddadf84af5524398364a18 /arch/x86/lib/msr-on-cpu.c | |
parent | 62fdac5913f71f8f200bd2c9bd59a02e9a1498e9 (diff) | |
parent | 512626a04e72aca60effe111fa0333ed0b195d21 (diff) | |
download | talos-obmc-linux-0d5959723e1db3fd7323c198a50c16cecf96c7a9.tar.gz talos-obmc-linux-0d5959723e1db3fd7323c198a50c16cecf96c7a9.zip |
Merge branch 'linus' into x86/mce3
Conflicts:
arch/x86/kernel/cpu/mcheck/mce_64.c
arch/x86/kernel/irq.c
Merge reason: Resolve the conflicts above.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/lib/msr-on-cpu.c')
-rw-r--r-- | arch/x86/lib/msr-on-cpu.c | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/arch/x86/lib/msr-on-cpu.c b/arch/x86/lib/msr-on-cpu.c deleted file mode 100644 index 321cf720dbb6..000000000000 --- a/arch/x86/lib/msr-on-cpu.c +++ /dev/null @@ -1,97 +0,0 @@ -#include <linux/module.h> -#include <linux/preempt.h> -#include <linux/smp.h> -#include <asm/msr.h> - -struct msr_info { - u32 msr_no; - u32 l, h; - int err; -}; - -static void __rdmsr_on_cpu(void *info) -{ - struct msr_info *rv = info; - - rdmsr(rv->msr_no, rv->l, rv->h); -} - -static void __wrmsr_on_cpu(void *info) -{ - struct msr_info *rv = info; - - wrmsr(rv->msr_no, rv->l, rv->h); -} - -int rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h) -{ - int err; - struct msr_info rv; - - rv.msr_no = msr_no; - err = smp_call_function_single(cpu, __rdmsr_on_cpu, &rv, 1); - *l = rv.l; - *h = rv.h; - - return err; -} - -int wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h) -{ - int err; - struct msr_info rv; - - rv.msr_no = msr_no; - rv.l = l; - rv.h = h; - err = smp_call_function_single(cpu, __wrmsr_on_cpu, &rv, 1); - - return err; -} - -/* These "safe" variants are slower and should be used when the target MSR - may not actually exist. */ -static void __rdmsr_safe_on_cpu(void *info) -{ - struct msr_info *rv = info; - - rv->err = rdmsr_safe(rv->msr_no, &rv->l, &rv->h); -} - -static void __wrmsr_safe_on_cpu(void *info) -{ - struct msr_info *rv = info; - - rv->err = wrmsr_safe(rv->msr_no, rv->l, rv->h); -} - -int rdmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h) -{ - int err; - struct msr_info rv; - - rv.msr_no = msr_no; - err = smp_call_function_single(cpu, __rdmsr_safe_on_cpu, &rv, 1); - *l = rv.l; - *h = rv.h; - - return err ? err : rv.err; -} - -int wrmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h) -{ - int err; - struct msr_info rv; - - rv.msr_no = msr_no; - rv.l = l; - rv.h = h; - err = smp_call_function_single(cpu, __wrmsr_safe_on_cpu, &rv, 1); - - return err ? err : rv.err; -} - -EXPORT_SYMBOL(rdmsr_on_cpu); -EXPORT_SYMBOL(wrmsr_on_cpu); -EXPORT_SYMBOL(rdmsr_safe_on_cpu); -EXPORT_SYMBOL(wrmsr_safe_on_cpu); |