From 1c696d0e1b7c10e1e8b34cb6c797329e3c33f262 Mon Sep 17 00:00:00 2001 From: Avi Kivity <avi@redhat.com> Date: Thu, 6 Jan 2011 18:09:11 +0200 Subject: [PATCH] KVM: VMX: Simplify saving guest rcx in vmx_vcpu_run Change push top-of-stack pop guest-rcx pop dummy to pop guest-rcx which is the same thing, only simpler. Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com> --- arch/x86/kvm/vmx.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index e2c4e324f6fa..da468c26639d 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -4066,7 +4066,7 @@ static void vmx_vcpu_run(struct kvm_vcpu *vcpu) "xchg %0, (%%"R"sp) \n\t" "mov %%"R"ax, %c[rax](%0) \n\t" "mov %%"R"bx, %c[rbx](%0) \n\t" - "push"Q" (%%"R"sp); pop"Q" %c[rcx](%0) \n\t" + "pop"Q" %c[rcx](%0) \n\t" "mov %%"R"dx, %c[rdx](%0) \n\t" "mov %%"R"si, %c[rsi](%0) \n\t" "mov %%"R"di, %c[rdi](%0) \n\t" @@ -4084,7 +4084,7 @@ static void vmx_vcpu_run(struct kvm_vcpu *vcpu) "mov %%cr2, %%"R"ax \n\t" "mov %%"R"ax, %c[cr2](%0) \n\t" - "pop %%"R"bp; pop %%"R"bp; pop %%"R"dx \n\t" + "pop %%"R"bp; pop %%"R"dx \n\t" "setbe %c[fail](%0) \n\t" : : "c"(vmx), "d"((unsigned long)HOST_RSP), [launched]"i"(offsetof(struct vcpu_vmx, launched)), -- GitLab