Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1500243

Re: [PATCH v2] kvm: x86: remove the misleading comment in vmx_handle_external_intr

From Radim Krčmář <rkrcmar@redhat.com>
Newsgroups linux.kernel
Subject Re: [PATCH v2] kvm: x86: remove the misleading comment in vmx_handle_external_intr
Date 2016-10-13 14:40 +0200
Message-ID <srNsJ-3wv-15@gated-at.bofh.it> (permalink)
References <srE65-5q4-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


2016-10-13 10:34+0800, Longpeng(Mike):
> Since Paolo has removed irq-enable-operation in vmx_handle_external_intr
> (KVM: x86: use guest_exit_irqoff), the original comment about the IF bit
> in rflags is incorrect and stale now, so remove it.
> 
> Signed-off-by: Longpeng(Mike) <longpeng2@huawei.com>
> ---
> Hi Radim,
> 
> Changes since v1:
>  - remove this stale comment instead.
> ---

Applied to kvm/queue, thanks.

>  arch/x86/kvm/vmx.c | 5 -----
>  1 file changed, 5 deletions(-)
> 
> diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
> index cf1b16d..e06c8b1 100644
> --- a/arch/x86/kvm/vmx.c
> +++ b/arch/x86/kvm/vmx.c
> @@ -8646,11 +8646,6 @@ static void vmx_handle_external_intr(struct kvm_vcpu *vcpu)
>  	u32 exit_intr_info = vmcs_read32(VM_EXIT_INTR_INFO);
>  	register void *__sp asm(_ASM_SP);
>  
> -	/*
> -	 * If external interrupt exists, IF bit is set in rflags/eflags on the
> -	 * interrupt stack frame, and interrupt will be enabled on a return
> -	 * from interrupt handler.
> -	 */
>  	if ((exit_intr_info & (INTR_INFO_VALID_MASK | INTR_INFO_INTR_TYPE_MASK))
>  			== (INTR_INFO_VALID_MASK | INTR_TYPE_EXT_INTR)) {
>  		unsigned int vector;
> -- 
> 1.8.3.1
> 
> 

Back to linux.kernel | Previous | NextPrevious in thread | Find similar | Unroll thread


Thread

[PATCH v2] kvm: x86: remove the misleading comment in vmx_handle_external_intr "Longpeng(Mike)" <longpeng2@huawei.com> - 2016-10-13 04:40 +0200
  Re: [PATCH v2] kvm: x86: remove the misleading comment in  vmx_handle_external_intr Radim Krčmář <rkrcmar@redhat.com> - 2016-10-13 14:40 +0200

csiph-web