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libvirt.7975
8b605530-cpu-add-CPU-features-for-indirect-bran...
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File 8b605530-cpu-add-CPU-features-for-indirect-branch-prediction.patch of Package libvirt.7975
From 8b605530e80a13b44d8a05f5718a3edab18d3ff5 Mon Sep 17 00:00:00 2001 From: Paolo Bonzini <pbonzini@redhat.com> Date: Tue, 12 Dec 2017 16:23:42 +0100 Subject: [PATCH] cpu: add CPU features for indirect branch prediction protection Added in QEMU commits TBD and TBD. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Jiri Denemark <jdenemar@redhat.com> Reviewed-by: Pavel Hrdina <phrdina@redhat.com> --- src/cpu/cpu_map.xml | 8 ++++++++ 1 file changed, 8 insertions(+) Index: libvirt-3.3.0/src/cpu/cpu_map.xml =================================================================== --- libvirt-3.3.0.orig/src/cpu/cpu_map.xml +++ libvirt-3.3.0/src/cpu/cpu_map.xml @@ -286,6 +286,9 @@ <feature name='avx512-4fmaps'> <cpuid eax_in='0x07' edx='0x00000008'/> </feature> + <feature name='spec-ctrl'> + <cpuid eax_in='0x07' ecx_in='0x00' edx='0x04000000'/> + </feature> <!-- Processor Extended State Enumeration sub leaf 1 --> <feature name='xsaveopt'> @@ -414,6 +417,11 @@ <cpuid eax_in='0x80000007' edx='0x00000100'/> </feature> + <!-- More AMD-specific features --> + <feature name='ibpb'> + <cpuid eax_in='0x80000008' ebx='0x00001000'/> + </feature> + <!-- models --> <model name='486'> <feature name='fpu'/>
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