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KVM: selftests: Drop manual XCR0 configuration from state test

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Now that CR4.OSXSAVE and XCR0 are setup by default, drop the manual
enabling from the state test, which is fully redundant with the default
behavior.

Reviewed-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Link: https://lore.kernel.org/r/20241003234337.273364-10-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
This commit is contained in:
Sean Christopherson 2024-10-03 16:43:35 -07:00
parent d87331890a
commit 28439090ec
1 changed files with 0 additions and 5 deletions
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5
tools/testing/selftests/kvm/x86_64/state_test.c
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@ -145,11 +145,6 @@ static void __attribute__((__flatten__)) guest_code(void *arg)
memset(buffer, 0xcc, sizeof(buffer));
set_cr4(get_cr4() | X86_CR4_OSXSAVE);
GUEST_ASSERT(this_cpu_has(X86_FEATURE_OSXSAVE));
xsetbv(0, xgetbv(0) | supported_xcr0);
/*
* Modify state for all supported xfeatures to take them out of
* their "init" state, i.e. to make them show up in XSTATE_BV.