Commit 3678c7f6 authored by Sean Christopherson's avatar Sean Christopherson
Browse files

KVM: selftests: Drop manual CR4.OSXSAVE enabling from CR4/CPUID sync test 



Now that CR4.OSXSAVE is enabled by default, drop the manual enabling from
CR4/CPUID sync test and instead assert that CR4.OSXSAVE is enabled.

Reviewed-by: default avatarVitaly Kuznetsov <vkuznets@redhat.com>
Link: https://lore.kernel.org/r/20241003234337.273364-8-seanjc@google.com


Signed-off-by: default avatarSean Christopherson <seanjc@google.com>
parent 8ae01bf6

tools/testing/selftests/kvm/x86_64/cr4_cpuid_sync_test.c

+2 −5
Original line number Diff line number Diff line
@@ -27,12 +27,9 @@ static void guest_code(void) 
		[KVM_CPUID_EAX] = X86_FEATURE_OSXSAVE.function,

		[KVM_CPUID_ECX] = X86_FEATURE_OSXSAVE.index,

	};

	uint64_t cr4;



	/* turn on CR4.OSXSAVE */

	cr4 = get_cr4();

	cr4 |= X86_CR4_OSXSAVE;

	set_cr4(cr4);

	/* CR4.OSXSAVE should be enabled by default (for selftests vCPUs). */

	GUEST_ASSERT(get_cr4() & X86_CR4_OSXSAVE);



	/* verify CR4.OSXSAVE == CPUID.OSXSAVE */

	GUEST_ASSERT(this_cpu_has(X86_FEATURE_OSXSAVE));