From: George Dunlap <george.dunlap@eu.citrix.com>
To: Tim Deegan <tim@xen.org>
Cc: Keir Fraser <keir@xen.org>,
Ian Campbell <ian.campbell@citrix.com>,
Jan Beulich <beulich@suse.com>,
xen-devel@lists.xen.org, Ian Jackson <ian.jackson@citrix.com>
Subject: Re: [PATCH v14 00/20] Introduce PVH domU support
Date: Fri, 8 Nov 2013 15:41:23 +0000 [thread overview]
Message-ID: <527D0623.4000504@eu.citrix.com> (raw)
In-Reply-To: <20131104173452.GB45309@deinos.phlegethon.org>
On 04/11/13 17:34, Tim Deegan wrote:
> At 17:23 +0000 on 04 Nov (1383582187), George Dunlap wrote:
>> On 04/11/13 16:59, Konrad Rzeszutek Wilk wrote:
>>>> This also means no support for "legacy" forced invalid ops -- only native
>>>> cpuid is supported in this series.
>>> OK.
>> (FWIW, support for legacy forced invalid ops was requested by Tim.)
> I was worried about existing PV kernel code that used the fake-CPUID,
> which would break if the 'core' kernel code went from PV to PVH. But
> I guess I could be convinced that such kernel code is buggy? Really,
> the high-order bit was consistency. The version I commented on
> supported them for user-space but not for kernel, which seemed like
> risking trouble for no benefit.
Oh right -- I think Mukesh we do need to support forced invalid ops for
user space so that we can use the same xen tools binaries on PV and PVH
kernels.
Hmm, Mukesh / Konrad, what tools are you actually thinking about here?
Are these Oracle-specific tools? I can't seem to find XEN_CPUID or
XEN_EMULATE_PREFIX anywhere in the tools/ directory of the xen repo...
-George
next prev parent reply other threads:[~2013-11-08 15:41 UTC|newest]
Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-04 12:14 [PATCH v14 00/20] Introduce PVH domU support George Dunlap
2013-11-04 12:14 ` [PATCH v14 01/17] Allow vmx_update_debug_state to be called when v!=current George Dunlap
2013-11-04 16:01 ` Jan Beulich
2013-11-04 16:18 ` George Dunlap
2013-11-04 12:14 ` [PATCH v14 02/17] libxc: Move temporary grant table mapping to end of memory George Dunlap
2013-11-05 10:57 ` Roger Pau Monné
2013-11-05 11:01 ` Ian Campbell
2013-11-04 12:14 ` [PATCH v14 03/17] pvh prep: code motion George Dunlap
2013-11-04 16:14 ` Jan Beulich
2013-11-07 10:48 ` George Dunlap
2013-11-04 12:14 ` [PATCH v14 04/17] Introduce pv guest type and has_hvm_container macros George Dunlap
2013-11-04 16:20 ` Jan Beulich
2013-11-04 16:26 ` George Dunlap
2013-11-04 16:39 ` George Dunlap
2013-11-07 10:55 ` George Dunlap
2013-11-07 11:04 ` Jan Beulich
2013-11-07 11:11 ` George Dunlap
2013-11-04 12:14 ` [PATCH v14 05/17] pvh: Introduce PVH guest type George Dunlap
2013-11-06 23:28 ` Tim Deegan
2013-11-07 11:21 ` George Dunlap
2013-11-07 16:59 ` Tim Deegan
2013-11-04 12:14 ` [PATCH v14 06/17] pvh: Disable unneeded features of HVM containers George Dunlap
2013-11-04 16:21 ` George Dunlap
2013-11-04 16:37 ` Jan Beulich
2013-11-06 23:54 ` Tim Deegan
2013-11-07 9:00 ` Jan Beulich
2013-11-07 17:02 ` Tim Deegan
2013-11-04 12:14 ` [PATCH v14 07/17] pvh: vmx-specific changes George Dunlap
2013-11-04 16:19 ` George Dunlap
2013-11-04 16:42 ` Jan Beulich
2013-11-07 0:28 ` Tim Deegan
2013-11-07 0:27 ` Tim Deegan
2013-11-07 14:50 ` George Dunlap
2013-11-07 15:40 ` Andrew Cooper
2013-11-07 15:43 ` George Dunlap
2013-11-07 17:00 ` Tim Deegan
2013-11-04 12:14 ` [PATCH v14 08/17] pvh: Do not allow PVH guests to change paging modes George Dunlap
2013-11-04 12:14 ` [PATCH v14 09/17] pvh: PVH access to hypercalls George Dunlap
2013-11-04 12:14 ` [PATCH v14 10/17] pvh: Use PV e820 George Dunlap
2013-11-04 12:15 ` [PATCH v14 11/17] pvh: Set up more PV stuff in set_info_guest George Dunlap
2013-11-04 16:20 ` George Dunlap
2013-11-04 16:53 ` Jan Beulich
2013-11-07 15:51 ` George Dunlap
2013-11-07 16:10 ` Jan Beulich
2013-11-07 16:33 ` George Dunlap
2013-11-04 12:15 ` [PATCH v14 12/17] pvh: Use PV handlers for cpuid, and IO George Dunlap
2013-11-04 16:20 ` George Dunlap
2013-11-05 8:42 ` Jan Beulich
2013-11-07 16:50 ` George Dunlap
2013-11-04 12:15 ` [PATCH v14 13/17] pvh: Disable 32-bit guest support for now George Dunlap
2013-11-04 12:15 ` [PATCH v14 14/17] pvh: Restrict tsc_mode to NEVER_EMULATE " George Dunlap
2013-11-04 12:15 ` [PATCH v14 15/17] pvh: Documentation George Dunlap
2013-11-04 12:15 ` [PATCH v14 16/17] PVH xen tools: libxc changes to build a PVH guest George Dunlap
2013-11-04 12:15 ` [PATCH v14 17/17] PVH xen tools: libxl changes to create " George Dunlap
2013-11-04 16:59 ` [PATCH v14 00/20] Introduce PVH domU support Konrad Rzeszutek Wilk
2013-11-04 17:23 ` George Dunlap
2013-11-04 17:34 ` Tim Deegan
2013-11-08 15:41 ` George Dunlap [this message]
2013-11-08 15:53 ` George Dunlap
2013-11-08 17:01 ` Tim Deegan
2013-11-08 17:06 ` George Dunlap
2013-11-08 15:58 ` Konrad Rzeszutek Wilk
2013-11-07 1:11 ` Tim Deegan
2013-11-11 12:37 ` Roger Pau Monné
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