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authorEduardo Habkost <ehabkost@redhat.com>2016-04-15 14:54:26 -0300
committerEduardo Habkost <ehabkost@redhat.com>2016-04-18 15:49:17 -0300
commit9997cf7bdac056aeed246613639675c5a9f8fdc2 (patch)
treeb5443e0b49e2b344f7413562be429422f357b31a /tci.c
parent92b674b62a1aec734280c9019cfb3b3745044b66 (diff)
downloadqemu-9997cf7bdac056aeed246613639675c5a9f8fdc2.tar.gz
target-i386: Set AMD alias bits after filtering CPUID data
QEMU complains about -cpu host on an AMD machine: warning: host doesn't support requested feature: CPUID.80000001H:EDX [bit 0] For bits 0,1,3,4,5,6,7,8,9,12,13,14,15,16,17,23,24. KVM_GET_SUPPORTED_CPUID and and x86_cpu_get_migratable_flags() don't handle the AMD CPUID aliases bits, making x86_cpu_filter_features() print warnings and clear those CPUID bits incorrectly. To avoid hacking x86_cpu_get_migratable_flags() to handle CPUID_EXT2_AMD_ALIASES (just like the existing hack inside kvm_arch_get_supported_cpuid()), simply move the CPUID_EXT2_AMD_ALIASES code in x86_cpu_realizefn() after the x86_cpu_filter_features() call. This will probably make the CPUID_EXT2_AMD_ALIASES hack in kvm_arch_get_supported_cpuid() unnecessary, too. The hack will be removed in a follow-up patch after v2.6.0. Reported-by: Radim Krčmář <rkrcmar@redhat.com> Tested-by: Radim Krčmář <rkrcmar@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Diffstat (limited to 'tci.c')
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