KVM: selftests: Add this_cpu_has() to query X86_FEATURE_* via cpuid()

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Add this_cpu_has() to query an X86_FEATURE_* via cpuid(), i.e. to query a
feature from L1 (or L2) guest code.  Arbitrarily select the AMX test to
be the first user.

Signed-off-by: Sean Christopherson <seanjc@google.com>
Link: https://lore.kernel.org/r/20220614200707.3315957-33-seanjc@google.com

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Sean Christopherson 2022-06-14 20:06:57 +00:00

parent 8fe09d6a91

commit 48ce3ed052

2 changed files with 13 additions and 8 deletions

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12

tools/testing/selftests/kvm/include/x86_64/processor.h

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9

tools/testing/selftests/kvm/x86_64/amx_test.c

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