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From: Paolo Bonzini <pbonzini@redhat.com>
To: kvm@vger.kernel.org
Subject: [PATCH kvm-unit-tests] svm: fix clobbers for svm_vmrun
Date: Wed,  8 Jul 2020 06:35:15 -0400	[thread overview]
Message-ID: <20200708103515.19477-1-pbonzini@redhat.com> (raw)

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


                 reply	other threads:[~2020-07-08 10:35 UTC|newest]

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