linux-kernel - Re: [PATCH] KVM: x86: Remove FIXMEs in emulate.c for the function,task_switch

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Message-ID: <549409F0.6030007@redhat.com>
Date:	Fri, 19 Dec 2014 12:20:16 +0100
From:	Paolo Bonzini <pbonzini@...hat.com>
To:	Nicholas Krause <xerofoify@...il.com>, gleb@...nel.org
CC:	tglx@...utronix.de, mingo@...hat.com, hpa@...or.com,
	x86@...nel.org, kvm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH]  KVM: x86: Remove FIXMEs in emulate.c for the function,task_switch_32



On 19/12/2014 03:13, Nicholas Krause wrote:
> Remove FIXME comments about needing fault addresses to be returned.  These
> are propaagated from walk_addr_generic to gva_to_gpa and from there to
> ops->read_std and ops->write_std.
> 
> Signed-off-by: Nicholas Krause <xerofoify@...il.com>
> ---
>  arch/x86/kvm/emulate.c | 4 ----
>  1 file changed, 4 deletions(-)
> 
> diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
> index 169b09d..feaba46 100644
> --- a/arch/x86/kvm/emulate.c
> +++ b/arch/x86/kvm/emulate.c
> @@ -2750,7 +2750,6 @@ static int task_switch_32(struct x86_emulate_ctxt *ctxt,
>  	ret = ops->read_std(ctxt, old_tss_base, &tss_seg, sizeof tss_seg,
>  			    &ctxt->exception);
>  	if (ret != X86EMUL_CONTINUE)
> -		/* FIXME: need to provide precise fault address */
>  		return ret;
>  
>  	save_state_to_tss32(ctxt, &tss_seg);
> @@ -2759,13 +2758,11 @@ static int task_switch_32(struct x86_emulate_ctxt *ctxt,
>  	ret = ops->write_std(ctxt, old_tss_base + eip_offset, &tss_seg.eip,
>  			     ldt_sel_offset - eip_offset, &ctxt->exception);
>  	if (ret != X86EMUL_CONTINUE)
> -		/* FIXME: need to provide precise fault address */
>  		return ret;
>  
>  	ret = ops->read_std(ctxt, new_tss_base, &tss_seg, sizeof tss_seg,
>  			    &ctxt->exception);
>  	if (ret != X86EMUL_CONTINUE)
> -		/* FIXME: need to provide precise fault address */
>  		return ret;
>  
>  	if (old_tss_sel != 0xffff) {
> @@ -2776,7 +2773,6 @@ static int task_switch_32(struct x86_emulate_ctxt *ctxt,
>  				     sizeof tss_seg.prev_task_link,
>  				     &ctxt->exception);
>  		if (ret != X86EMUL_CONTINUE)
> -			/* FIXME: need to provide precise fault address */
>  			return ret;
>  	}
>  
> 

Applied, thanks.

Paolo
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