search for: core2_vpmu_do_cpuid

Displaying 1 result from an estimated 1 matches for "core2_vpmu_do_cpuid".

2013 Mar 12
0
[PATCH] vpmu intel: pass through cpuid bits when BTS is enabled
.... Signed-off-by: Dietmar Hahn <dietmar.hahn@ts.fujitsu.com> diff -r a6b81234b189 xen/arch/x86/hvm/vmx/vpmu_core2.c --- a/xen/arch/x86/hvm/vmx/vpmu_core2.c Mon Mar 11 16:13:42 2013 +0000 +++ b/xen/arch/x86/hvm/vmx/vpmu_core2.c Tue Mar 12 13:58:40 2013 +0100 @@ -607,6 +607,10 @@ static void core2_vpmu_do_cpuid(unsigned { /* Switch on the ''Debug Store'' feature in CPUID.EAX[1]:EDX[21] */ *edx |= cpufeat_mask(X86_FEATURE_DS); + if ( cpu_has(&current_cpu_data, X86_FEATURE_DTES64) ) + *ecx |= cpufeat_mask(X86_FEATURE_DTES64); +...