POP [mem] defaults to the word size, and the only legal non-default size is 16 bits, e.g. a 32-bit POP will #UD in 64-bit mode and vice versa, no need to use __ASM_SIZE macro to force operating mode. Changes since v1: - Fix commit message. Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx> Cc: Sean Christopherson <sean.j.christopherson@xxxxxxxxx> Reviewed-by: Sean Christopherson <sean.j.christopherson@xxxxxxxxx> Signed-off-by: Uros Bizjak <ubizjak@xxxxxxxxx> --- arch/x86/kvm/vmx/vmenter.S | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/arch/x86/kvm/vmx/vmenter.S b/arch/x86/kvm/vmx/vmenter.S index 87f3f24fef37..94b8794bdd2a 100644 --- a/arch/x86/kvm/vmx/vmenter.S +++ b/arch/x86/kvm/vmx/vmenter.S @@ -163,13 +163,13 @@ SYM_FUNC_START(__vmx_vcpu_run) mov WORD_SIZE(%_ASM_SP), %_ASM_AX /* Save all guest registers, including RAX from the stack */ - __ASM_SIZE(pop) VCPU_RAX(%_ASM_AX) - mov %_ASM_CX, VCPU_RCX(%_ASM_AX) - mov %_ASM_DX, VCPU_RDX(%_ASM_AX) - mov %_ASM_BX, VCPU_RBX(%_ASM_AX) - mov %_ASM_BP, VCPU_RBP(%_ASM_AX) - mov %_ASM_SI, VCPU_RSI(%_ASM_AX) - mov %_ASM_DI, VCPU_RDI(%_ASM_AX) + pop VCPU_RAX(%_ASM_AX) + mov %_ASM_CX, VCPU_RCX(%_ASM_AX) + mov %_ASM_DX, VCPU_RDX(%_ASM_AX) + mov %_ASM_BX, VCPU_RBX(%_ASM_AX) + mov %_ASM_BP, VCPU_RBP(%_ASM_AX) + mov %_ASM_SI, VCPU_RSI(%_ASM_AX) + mov %_ASM_DI, VCPU_RDI(%_ASM_AX) #ifdef CONFIG_X86_64 mov %r8, VCPU_R8 (%_ASM_AX) mov %r9, VCPU_R9 (%_ASM_AX) -- 2.25.4