KVM: VMX: Save RSI to an unused output in the vCPU-run asm blob

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RSI is clobbered by the vCPU-run asm blob, but it's not marked as such,
probably because GCC doesn't let you mark inputs as clobbered.  "Save"
RSI to a dummy output so that GCC recognizes it as being clobbered.

Fixes: 773e8a0425 ("x86/kvm: use Enlightened VMCS when running on Hyper-V")
Reviewed-by: Jim Mattson <jmattson@google.com>
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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Sean Christopherson 2019-01-25 07:40:52 -08:00 • committed by Paolo Bonzini

parent 831a301129

commit f3689e3f17

1 changed files with 1 additions and 1 deletions

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arch/x86/kvm/vmx/vmx.c

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