Re: [PATCH] x86: Remove Fix Mes in emulate.c from needing fault addresses

Paolo Bonzini
2014-11-19T17:54:39Z

On 19/11/2014 13:48, Nicholas Krause wrote:
> Removes fix me comments for needing fault addresses to be returned in certain
> functions if they fail as they are stored and included in this file via the \
> header file,paging_tmpl.h.

KVM: x86: Remove FIXMEs in emulate.c

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@gmail.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 9f8a2fa..f7f21d2 100644
> --- a/arch/x86/kvm/emulate.c
> +++ b/arch/x86/kvm/emulate.c
> @@ -2599,7 +2599,6 @@ static int task_switch_16(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_tss16(ctxt, &tss_seg);
> @@ -2607,13 +2606,11 @@ static int task_switch_16(struct x86_emulate_ctxt *ctxt,
> ret = ops->write_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;
>
> 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) {
> @@ -2624,7 +2621,6 @@ static int task_switch_16(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