KVM: x86: avoid unnecessary XSETBV on guest entry

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xsetbv can be expensive when running on nested virtualization, try to
avoid it.

Reviewed-by: Jim Mattson <jmattson@google.com>
Reviewed-by: Wanpeng Li <wanpeng.li@hotmail.com>
Reviewed-by: Quan Xu <quan.xu0@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>

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Paolo Bonzini 2017-12-13 13:51:32 +01:00 • committed by Radim Krčmář

parent efdab99281

commit 476b7adaa3

1 changed files with 2 additions and 1 deletions

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arch/x86/kvm/x86.c

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