From: Paul Durrant <Paul.Durrant@citrix.com>
To: Jan Beulich <JBeulich@suse.com>
Cc: Kevin Tian <kevin.tian@intel.com>, Wei Liu <wei.liu2@citrix.com>,
Andrew Cooper <Andrew.Cooper3@citrix.com>,
"Tim (Xen.org)" <tim@xen.org>,
George Dunlap <George.Dunlap@citrix.com>,
"xen-devel@lists.xen.org" <xen-devel@lists.xen.org>,
Yu Zhang <yu.c.zhang@linux.intel.com>,
Zhiyuan Lv <zhiyuan.lv@intel.com>,
Jun Nakajima <jun.nakajima@intel.com>,
"Keir (Xen.org)" <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 14:19:47 +0000 [thread overview]
Message-ID: <44b9361bb76e4772b8a0cc39301c1917@AMSPEX02CL03.citrite.net> (raw)
In-Reply-To: <571E42CB02000078000E5624@prv-mh.provo.novell.com>
> -----Original Message-----
> From: Jan Beulich [mailto:JBeulich@suse.com]
> Sent: 25 April 2016 15:16
> To: Paul Durrant
> Cc: Andrew Cooper; George Dunlap; Wei Liu; Jun Nakajima; Kevin Tian;
> Zhiyuan Lv; Yu Zhang; xen-devel@lists.xen.org; Keir (Xen.org); Tim (Xen.org)
> Subject: RE: [Xen-devel] [PATCH v3 1/3] x86/ioreq server(patch for 4.7):
> Rename p2m_mmio_write_dm to p2m_ioreq_server.
>
> >>> On 25.04.16 at 16:01, <Paul.Durrant@citrix.com> wrote:
> > The p2m type changes are also wrong. That type needs to be left alone,
> > presumably, so that anything using HVMMEM_mmio_write_dm and
> compiled to the
> > old interface version continues to function. I think HVMMEM_ioreq_server
> > needs to map to a new p2m type which should be introduced in patch #3.
>
> I don't understand this part: I thought it was agreed that the old
> p2m type needs to go away (not the least because we're tight on
> these), and use of the old HVMMEM_* type needs to result in
> errors.
>
I may have misunderstood. I thought we'd back-tracked on that because there's a concern that we also need to keep anything compiled against the old header working. If not then this patch should also remove that p2m type, not rename it.
Paul
> Jan
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next prev parent reply other threads:[~2016-04-25 14:19 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
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 [this message]
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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