selftests: KVM: Don't clobber XMM register when read

There is no need to clobber a register that is only being read from.
Oops. Drop the XMM register from the clobbers list.

Signed-off-by: Oliver Upton <oupton@google.com>
Message-Id: <20210927223621.50178-1-oupton@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --git a/tools/testing/selftests/kvm/include/x86_64/processor.h b/tools/testing/selftests/kvm/include/x86_64/processor.h
index eba8bd0..05e65ca 100644 (file)
--- a/tools/testing/selftests/kvm/include/x86_64/processor.h
+++ b/tools/testing/selftests/kvm/include/x86_64/processor.h
@@ -315,7 +315,7 @@ static inline void set_xmm(int n, unsigned long val)
 #define GET_XMM(__xmm)                                                 \
 ({                                                                     \
        unsigned long __val;                                            \
-       asm volatile("movq %%"#__xmm", %0" : "=r"(__val) : : #__xmm);   \
+       asm volatile("movq %%"#__xmm", %0" : "=r"(__val));              \
        __val;                                                          \
 })