diff options
Diffstat (limited to 'arch/x86/lib/msr-smp.c')
-rw-r--r-- | arch/x86/lib/msr-smp.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/arch/x86/lib/msr-smp.c b/arch/x86/lib/msr-smp.c index 761ba06..fee8b9c 100644 --- a/arch/x86/lib/msr-smp.c +++ b/arch/x86/lib/msr-smp.c @@ -225,16 +225,13 @@ EXPORT_SYMBOL(wrmsrl_safe_on_cpu); int rdmsrl_safe_on_cpu(unsigned int cpu, u32 msr_no, u64 *q) { + u32 low, high; int err; - struct msr_info rv; - memset(&rv, 0, sizeof(rv)); + err = rdmsr_safe_on_cpu(cpu, msr_no, &low, &high); + *q = (u64)high << 32 | low; - rv.msr_no = msr_no; - err = smp_call_function_single(cpu, __rdmsr_safe_on_cpu, &rv, 1); - *q = rv.reg.q; - - return err ? err : rv.err; + return err; } EXPORT_SYMBOL(rdmsrl_safe_on_cpu); |