[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH v2 1/2] x86/VPMU: return correct fixed PMC count
Fixes a register typo. Signed-off-by: Brendan Gregg <bgregg@xxxxxxxxxxx> --- xen/arch/x86/cpu/vpmu_intel.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/xen/arch/x86/cpu/vpmu_intel.c b/xen/arch/x86/cpu/vpmu_intel.c index 12f80ae..8d83a1a 100644 --- a/xen/arch/x86/cpu/vpmu_intel.c +++ b/xen/arch/x86/cpu/vpmu_intel.c @@ -166,10 +166,10 @@ static int core2_get_arch_pmc_count(void) */ static int core2_get_fixed_pmc_count(void) { - u32 eax; + u32 edx; - eax = cpuid_eax(0xa); - return MASK_EXTR(eax, PMU_FIXED_NR_MASK); + edx = cpuid_edx(0xa); + return MASK_EXTR(edx, PMU_FIXED_NR_MASK); } /* edx bits 5-12: Bit width of fixed-function performance counters */ -- 1.9.1 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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