* [PATCH kvm-unit-tests] svm: fix clobbers for svm_vmrun
@ 2020-07-08 10:35 Paolo Bonzini
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From: Paolo Bonzini @ 2020-07-08 10:35 UTC (permalink / raw)
To: kvm
r15 is used by ASM_VMRUN_CMD, so we need to mark it as clobbered.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
x86/svm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/x86/svm.c b/x86/svm.c
index e30630c..d8c8272 100644
--- a/x86/svm.c
+++ b/x86/svm.c
@@ -235,7 +235,7 @@ int svm_vmrun(void)
ASM_VMRUN_CMD
:
: "a" (virt_to_phys(vmcb))
- : "memory");
+ : "memory", "r15");
return (vmcb->control.exit_code);
}
--
2.26.2
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