Commit 52297436 authored Oct 21, 2019 by Aaron Lewis Committed by Paolo Bonzini Oct 22, 2019

kvm: svm: Update svm_xsaves_supported



AMD CPUs now support XSAVES in a limited fashion (they require IA32_XSS
to be zero).

AMD has no equivalent of Intel's "Enable XSAVES/XRSTORS" VM-execution
control. Instead, XSAVES is always available to the guest when supported
on the host.

Reviewed-by: Jim Mattson <jmattson@google.com>
Signed-off-by: Aaron Lewis <aaronlewis@google.com>
Change-Id: I40dc2c682eb0d38c2208d95d5eb7bbb6c47f6317
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

parent 864e2ab2

arch/x86/kvm/svm.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -5973,7 +5973,7 @@ static bool svm_mpx_supported(void)

		static bool svm_xsaves_supported(void)
		{
		return false;
		return boot_cpu_has(X86_FEATURE_XSAVES);
		}

		static bool svm_umip_emulated(void)

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