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[v3,08/33] KVM: nVMX: Remove a rogue "rax" clobber from nested_vmx_check_vmentry_hw()

Message ID 20190125154120.19385-9-sean.j.christopherson@intel.com (mailing list archive)
State New, archived
Headers show
Series KVM: VMX: Move vCPU-run to proper asm sub-routine | expand

Commit Message

Sean Christopherson Jan. 25, 2019, 3:40 p.m. UTC 
RAX is not touched by nested_vmx_check_vmentry_hw(), directly or
indirectly (e.g. vmx_vmenter()).  Remove it from the clobber list.

Fixes: 52017608da33 ("KVM: nVMX: add option to perform early consistency checks via H/W")
Reviewed-by: Jim Mattson <jmattson@google.com>
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
---
 arch/x86/kvm/vmx/nested.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c
index cfcf67e548fa..7b4c45b2361e 100644
--- a/arch/x86/kvm/vmx/nested.c
+++ b/arch/x86/kvm/vmx/nested.c
@@ -2772,7 +2772,7 @@  static int nested_vmx_check_vmentry_hw(struct kvm_vcpu *vcpu)
 		[fail]"i"(offsetof(struct vcpu_vmx, fail)),
 		[host_rsp]"i"(offsetof(struct vcpu_vmx, host_rsp)),
 		[wordsize]"i"(sizeof(ulong))
-	      : "rax", "cc", "memory"
+	      : "cc", "memory"
 	);
 
 	preempt_enable();