Re: [Xen-devel] [PATCH] x86/hvm: Fix HVM guest regression introduced by c58ba78c84

[Paul Durrant <Paul.Durrant@xxxxxxxxxx>]

> -----Original Message-----
> From: xen-devel-bounces@xxxxxxxxxxxxx [mailto:xen-devel-
> bounces@xxxxxxxxxxxxx] On Behalf Of Andrew Cooper
> Sent: 04 February 2015 12:35
> To: Xen-devel
> Cc: Andrew Cooper; Jan Beulich
> Subject: [Xen-devel] [PATCH] x86/hvm: Fix HVM guest regression introduced
> by c58ba78c84
> 
> The xen event channel for the ioreq server must be targeted at the
> appropriate
> vcpu, so the correct one can be unpaused when IO is completed.
> 
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
> CC: Jan Beulich <JBeulich@xxxxxxxx>
> 
> ---
> 
> The cosmetic tweaks were not completely cosmetic.

No, they weren't were they.

Reviewed-by: Paul Durrant <paul.durrant@xxxxxxxxxx>

> ---
>  xen/arch/x86/hvm/hvm.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/xen/arch/x86/hvm/hvm.c b/xen/arch/x86/hvm/hvm.c
> index b03ee4e..4b7792d 100644
> --- a/xen/arch/x86/hvm/hvm.c
> +++ b/xen/arch/x86/hvm/hvm.c
> @@ -638,7 +638,7 @@ static int hvm_ioreq_server_add_vcpu(struct
> hvm_ioreq_server *s,
>      {
>          struct domain *d = s->domain;
> 
> -        rc = alloc_unbound_xen_event_channel(v->domain, 0, s->domid,
> NULL);
> +        rc = alloc_unbound_xen_event_channel(v->domain, v->vcpu_id, s-
> >domid, NULL);
>          if ( rc < 0 )
>              goto fail3;
> 
> --
> 1.7.10.4
> 
> 
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