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From: Wei Liu <wei.liu2@citrix.com>
To: Jan Beulich <JBeulich@suse.com>
Cc: Kevin Tian <kevin.tian@intel.com>,
	wei.liu2@citrix.com, George Dunlap <george.dunlap@eu.citrix.com>,
	Andrew Cooper <andrew.cooper3@citrix.com>,
	Tim Deegan <tim@xen.org>,
	xen-devel@lists.xen.org, Paul Durrant <paul.durrant@citrix.com>,
	Yu Zhang <yu.c.zhang@linux.intel.com>,
	zhiyuan.lv@intel.com, Jun Nakajima <jun.nakajima@intel.com>,
	Keir Fraser <keir@xen.org>
Subject: Re: [PATCH v3 1/3] x86/ioreq server(patch for 4.7): Rename p2m_mmio_write_dm to p2m_ioreq_server.
Date: Mon, 25 Apr 2016 14:30:07 +0100	[thread overview]
Message-ID: <20160425133007.GJ11686@citrix.com> (raw)
In-Reply-To: <571E25D202000078000E552B@prv-mh.provo.novell.com>

On Mon, Apr 25, 2016 at 06:12:34AM -0600, Jan Beulich wrote:
> >>> On 25.04.16 at 12:35, <yu.c.zhang@linux.intel.com> wrote:
> > Previously p2m type p2m_mmio_write_dm was introduced for write-
> > protected memory pages whose write operations are supposed to be
> > forwarded to and emulated by an ioreq server. Yet limitations of
> > rangeset restrict the number of guest pages to be write-protected.
> > 
> > This patch replaces the p2m type p2m_mmio_write_dm with a new name:
> > p2m_ioreq_server, which means this p2m type can be claimed by one
> > ioreq server, instead of being tracked inside the rangeset of ioreq
> > server. Patches following up will add the related hvmop handling
> > code which map/unmap type p2m_ioreq_server to/from an ioreq server.
> > 
> > changes in v3:
> >   - According to Jan & George's comments, keep HVMMEM_mmio_write_dm
> >     for old xen interface versions, and replace it with HVMMEM_unused
> >     for xen interfaces newer than 4.7.0; For p2m_ioreq_server, a new
> >     enum - HVMMEM_ioreq_server is introduced for the get/set mem type
> >     interfaces;
> >   - Add George's Reviewed-by and Acked-by from Tim & Andrew.
> > 
> > changes in v2:
> >   - According to George Dunlap's comments, only rename the p2m type,
> >     with no behavior changes.
> > 
> > Signed-off-by: Paul Durrant <paul.durrant@citrix.com>
> > Signed-off-by: Yu Zhang <yu.c.zhang@linux.intel.com>
> > Acked-by: Tim Deegan <tim@xen.org>
> > Acked-by: Andrew Cooper <andrew.cooper3@citrix.com>
> > Reviewed-by: George Dunlap <george.dunlap@citrix.com>
> 
> Reviewed-by: Jan Beulich <jbeulich@suse.com>
> 
> I hope the other three tags above are still being considered
> applicable by their originators.
> 

Subject to confirmation from the originators:

Release-acked-by: Wei Liu <wei.liu2@citrix.com>

> Jan
> 

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  reply	other threads:[~2016-04-25 13:30 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-04-25 10:35 [PATCH v3 0/3] x86/ioreq server: Introduce HVMMEM_ioreq_server mem type Yu Zhang
2016-04-25 10:35 ` [PATCH v3 1/3] x86/ioreq server(patch for 4.7): Rename p2m_mmio_write_dm to p2m_ioreq_server Yu Zhang
2016-04-25 12:12   ` Jan Beulich
2016-04-25 13:30     ` Wei Liu [this message]
2016-04-25 13:39   ` George Dunlap
2016-04-25 14:01     ` Paul Durrant
2016-04-25 14:15       ` George Dunlap
2016-04-25 14:16       ` Jan Beulich
2016-04-25 14:19         ` Paul Durrant
2016-04-25 14:28           ` George Dunlap
2016-04-25 14:34             ` Paul Durrant
2016-04-25 15:21       ` Yu, Zhang
2016-04-25 15:29         ` Paul Durrant
2016-04-25 15:38           ` Jan Beulich
2016-04-25 15:53             ` Yu, Zhang
2016-04-25 16:15               ` George Dunlap
2016-04-25 16:20                 ` Yu, Zhang
2016-04-25 17:01                 ` Paul Durrant
2016-04-26  8:23                   ` Yu, Zhang
2016-04-26  8:33                     ` Paul Durrant
2016-04-27 14:12                   ` George Dunlap
2016-04-27 14:42                     ` Paul Durrant
2016-04-28  2:47                       ` Yu, Zhang
2016-04-28  7:14                         ` Paul Durrant
2016-04-28  7:07                           ` Yu, Zhang
2016-04-28 10:02                           ` Jan Beulich
2016-04-28 10:43                             ` Paul Durrant
2016-04-27 14:47                     ` Wei Liu
2016-04-25 15:49           ` Yu, Zhang
2016-04-25 14:14     ` Jan Beulich
2016-04-25 10:35 ` [PATCH v3 2/3] x86/ioreq server: Add new functions to get/set memory types Yu Zhang
2016-04-26 10:53   ` Wei Liu
2016-04-27  9:11     ` Yu, Zhang
2016-04-25 10:35 ` [PATCH v3 3/3] x86/ioreq server: Add HVMOP to map guest ram with p2m_ioreq_server to an ioreq server Yu Zhang
2016-04-25 12:36   ` Paul Durrant

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