[libvirt] [PATCH] cpu: add CLZERO CPUID support for AMD platforms

Qemu commit e900135dcfb67 ("i386: Add CPUID bit for CLZERO and XSAVEERPTR") adds support for CLZERO CPUID bit. This commit extends support for this CPUID bit into libvirt. Signed-off-by: Ani Sinha <ani.sinha(a)nutanix.com&gt; --- src/cpu_map/x86_EPYC-IBPB.xml | 1 + src/cpu_map/x86_EPYC.xml | 1 + src/cpu_map/x86_features.xml | 3 +++ 3 files changed, 5 insertions(+) diff --git a/src/cpu_map/x86_EPYC-IBPB.xml b/src/cpu_map/x86_EPYC-IBPB.xml index 283697e..a70fbd8 100644 --- a/src/cpu_map/x86_EPYC-IBPB.xml +++ b/src/cpu_map/x86_EPYC-IBPB.xml @@ -14,6 +14,7 @@ <feature name='bmi2'/> <feature name='clflush'/> <feature name='clflushopt'/> + <feature name='clzero'/> <feature name='cmov'/> <feature name='cr8legacy'/> <feature name='cx16'/> diff --git a/src/cpu_map/x86_EPYC.xml b/src/cpu_map/x86_EPYC.xml index f060139..6c11d82 100644 --- a/src/cpu_map/x86_EPYC.xml +++ b/src/cpu_map/x86_EPYC.xml @@ -14,6 +14,7 @@ <feature name='bmi2'/> <feature name='clflush'/> <feature name='clflushopt'/> + <feature name='clzero'/> <feature name='cmov'/> <feature name='cr8legacy'/> <feature name='cx16'/> diff --git a/src/cpu_map/x86_features.xml b/src/cpu_map/x86_features.xml index 2bed1e0..dd62755 100644 --- a/src/cpu_map/x86_features.xml +++ b/src/cpu_map/x86_features.xml @@ -473,6 +473,9 @@ <feature name='ibpb'> <cpuid eax_in='0x80000008' ebx='0x00001000'/> </feature> + <feature name='clzero'> + <cpuid eax_in='0x80000008' ebx='0x00000001'/> + </feature> <feature name='amd-ssbd'> <cpuid eax_in='0x80000008' ebx='0x01000000'/> </feature> -- 1.9.4