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[07/29] KVM: nVMX: Remove a rogue "rax" clobber from nested_vmx_check_vmentry_hw()

Message ID 20190118212037.24412-8-sean.j.christopherson@intel.com
State New, archived
Headers show
Series KVM: VMX: Move vCPU-run to proper asm sub-routine | expand

Commit Message

Sean Christopherson Jan. 18, 2019, 9:20 p.m. UTC
RAX is not touched by nested_vmx_check_vmentry_hw(), directly or
indirectly via e.g. VMX_UPDATE_VMCS_HOST_RSP, vmx_vmenter or fixup.
Remove it from the clobber list.

Fixes: 52017608da33 ("KVM: nVMX: add option to perform early consistency checks via H/W")
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 69920c2fa5db..489f085c406b 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();