Re: [PATCH v2] KVM: VMX: Remove unnecessary exception trampoline in vmx_vmenter

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On 06/04/20 22:21, Uros Bizjak wrote:
> The exception trampoline in .fixup section is not needed, the exception
> handling code can jump directly to the label in the .text section.
> 
> Changes since v1:
> - Fix commit message.
> 
> Cc: Sean Christopherson <sean.j.christopherson@xxxxxxxxx>
> Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx>
> Reviewed-by: Sean Christopherson <sean.j.christopherson@xxxxxxxxx>
> Signed-off-by: Uros Bizjak <ubizjak@xxxxxxxxx>
> ---
>  arch/x86/kvm/vmx/vmenter.S | 8 ++------
>  1 file changed, 2 insertions(+), 6 deletions(-)
> 
> diff --git a/arch/x86/kvm/vmx/vmenter.S b/arch/x86/kvm/vmx/vmenter.S
> index 81ada2ce99e7..56d701db8734 100644
> --- a/arch/x86/kvm/vmx/vmenter.S
> +++ b/arch/x86/kvm/vmx/vmenter.S
> @@ -58,12 +58,8 @@ SYM_FUNC_START(vmx_vmenter)
>  	ret
>  4:	ud2
>  
> -	.pushsection .fixup, "ax"
> -5:	jmp 3b
> -	.popsection
> -
> -	_ASM_EXTABLE(1b, 5b)
> -	_ASM_EXTABLE(2b, 5b)
> +	_ASM_EXTABLE(1b, 3b)
> +	_ASM_EXTABLE(2b, 3b)
>  
>  SYM_FUNC_END(vmx_vmenter)
>  
> 

Queued, thanks.

Paolo




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