Re: [Xen-devel] [PATCH v2 2/3] x86/ioreq server: Rename p2m_mmio_write_dm to p2m_ioreq_server

["Yu, Zhang" <yu.c.zhang@xxxxxxxxxxxxxxx>]

On 4/19/2016 7:15 PM, Paul Durrant wrote:
> > -----Original Message-----
> > From: Yu, Zhang [mailto:yu.c.zhang@xxxxxxxxxxxxxxx]
> > Sent: 19 April 2016 12:03
> > To: Paul Durrant; Jan Beulich; Wei Liu
> > Cc: Kevin Tian; Keir (Xen.org); Andrew Cooper; Tim (Xen.org); George
> > Dunlap; xen-devel@xxxxxxxxxxxxx; zhiyuan.lv@xxxxxxxxx;
> > jun.nakajima@xxxxxxxxx
> > Subject: Re: [Xen-devel] [PATCH v2 2/3] x86/ioreq server: Rename
> > p2m_mmio_write_dm to p2m_ioreq_server
> >
> >
> >
> > On 4/19/2016 12:58 AM, Paul Durrant wrote:
> > > > -----Original Message-----
> > > > From: Xen-devel [mailto:xen-devel-bounces@xxxxxxxxxxxxx] On Behalf Of
> > Jan
> > > > Beulich
> > > > Sent: 18 April 2016 17:47
> > > > To: Paul Durrant
> > > > Cc: Kevin Tian; Keir (Xen.org); Andrew Cooper; Tim (Xen.org); George
> > > > Dunlap; xen-devel@xxxxxxxxxxxxx; yu.c.zhang@xxxxxxxxxxxxxxx;
> > > > zhiyuan.lv@xxxxxxxxx; jun.nakajima@xxxxxxxxx
> > > > Subject: Re: [Xen-devel] [PATCH v2 2/3] x86/ioreq server: Rename
> > > > p2m_mmio_write_dm to p2m_ioreq_server
> > > >
> > > > > > > Paul Durrant <Paul.Durrant@xxxxxxxxxx> 04/18/16 6:45 PM >>>
> > > > > The original patch was posted before the cut-off IIRC so I'm not sure
> > > > > of the policy regarding freeze-exceptions.
> > > >     It was submitted before the feature freeze, yes, but didn't make it in by
> > > > code freeze. So it's my understanding that an exception would be
> > needed.
> > > >
> > > Ok. Thanks for the clarification. IMO getting this in is worth the freeze
> > exception... it's a shame p2m_mmio_write_dm made it into 4.6.1. It needs to
> > go before it proliferates any further.
> > >
> > Thanks, Paul.
> >
> > So I suppose the only place we need change for this patch is
> > for hvmmem_type_t, which should be defined like this?
> >
> > typedef enum {
> >       HVMMEM_ram_rw,             /* Normal read/write guest RAM */
> >       HVMMEM_ram_ro,             /* Read-only; writes are discarded */
> >       HVMMEM_mmio_dm,            /* Reads and write go to the device model */
> > #if __XEN_INTERFACE_VERSION__ >= 0x00040700
> >       HVMMEM_ioreq_server
> > #else
> >       HVMMEM_mmio_write_dm
> > #endif
> > } hvmmem_type_t;
> >
> > Besides, does 4.7 still accept freeze exception? It would be great
> > if we can get an approval for this.
> I talked to Wei earlier and he is happy to give a freeze exception to this 
> change.
Great! I really obliged. :)
BTW, Does some form of application need to be submitted? I'm not
familiar with the procedure.

Yu
>    Paul
>
> > Thanks
> > Yu
> >
> > >     Paul
> > >
> > > > Jan
> > > >
> > > >
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