Re: [Xen-devel] [PATCH v8 6/8] dm_op: convert HVMOP_set_mem_type

[Paul Durrant <Paul.Durrant@xxxxxxxxxx>]

> -----Original Message-----
> From: George Dunlap
> Sent: 22 May 2017 06:30
> To: Paul Durrant <Paul.Durrant@xxxxxxxxxx>
> Cc: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>; Ian Jackson
> <Ian.Jackson@xxxxxxxxxx>; Andrew Cooper <Andrew.Cooper3@xxxxxxxxxx>;
> Jan Beulich <jbeulich@xxxxxxx>
> Subject: Re: [Xen-devel] [PATCH v8 6/8] dm_op: convert
> HVMOP_set_mem_type
> 
> On Tue, Jan 24, 2017 at 3:27 PM, Paul Durrant <paul.durrant@xxxxxxxxxx>
> wrote:
> > This patch removes the need for handling HVMOP restarts, so that
> > infrastructure is removed.
> 
> This turns out to be false -- HVMOP_set_hvm_param can fail with
> -ERESTART if you're setting HVM_PARAM_IDENT_PT and it fails to grab
> the domain_ctl lock.
>

So I see. Your patch looks ok to me.

Thanks,

  Paul
 
>  -George
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