diff options
| author | Uros Bizjak <[email protected]> | 2020-10-29 15:04:57 +0100 |
|---|---|---|
| committer | Paolo Bonzini <[email protected]> | 2020-12-11 19:00:57 -0500 |
| commit | 6c44221b05236cc65d76cb5dc2463f738edff39d (patch) | |
| tree | 66e2db1fc3087077ae9b6521092a78937b48051b | |
| parent | f57ad63a835c6f1fe646ea985e78a79eb206a5b3 (diff) | |
KVM/VMX: Use TEST %REG,%REG instead of CMP $0,%REG in vmenter.S
Saves one byte in __vmx_vcpu_run for the same functionality.
Cc: Paolo Bonzini <[email protected]>
Cc: Sean Christopherson <[email protected]>
Signed-off-by: Uros Bizjak <[email protected]>
Message-Id: <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>
| -rw-r--r-- | arch/x86/kvm/vmx/vmenter.S | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kvm/vmx/vmenter.S b/arch/x86/kvm/vmx/vmenter.S index 90ad7a6246e3..e85aa5faa22d 100644 --- a/arch/x86/kvm/vmx/vmenter.S +++ b/arch/x86/kvm/vmx/vmenter.S @@ -132,7 +132,7 @@ SYM_FUNC_START(__vmx_vcpu_run) mov (%_ASM_SP), %_ASM_AX /* Check if vmlaunch or vmresume is needed */ - cmpb $0, %bl + testb %bl, %bl /* Load guest registers. Don't clobber flags. */ mov VCPU_RCX(%_ASM_AX), %_ASM_CX |