From: "Jan Beulich" <JBeulich@suse.com>
To: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Kevin Tian <kevin.tian@intel.com>,
"wei.liu2@citrix.com" <wei.liu2@citrix.com>,
"ian.campbell@citrix.com" <ian.campbell@citrix.com>,
"stefano.stabellini@eu.citrix.com"
<stefano.stabellini@eu.citrix.com>,
George Dunlap <George.Dunlap@eu.citrix.com>,
"tim@xen.org" <tim@xen.org>,
"ian.jackson@eu.citrix.com" <ian.jackson@eu.citrix.com>,
"xen-devel@lists.xen.org" <xen-devel@lists.xen.org>,
Yang Z Zhang <yang.z.zhang@intel.com>,
Tiejun Chen <tiejun.chen@intel.com>
Subject: Re: (v2) Design proposal for RMRR fix
Date: Thu, 15 Jan 2015 08:43:29 +0000 [thread overview]
Message-ID: <54B78BC102000078000552D9@mail.emea.novell.com> (raw)
In-Reply-To: <20150114204245.GB12738@l.oracle.com>
>>> On 14.01.15 at 21:42, <konrad.wilk@oracle.com> wrote:
> On Wed, Jan 14, 2015 at 08:13:14AM +0000, Tian, Kevin wrote:
>> > From: Konrad Rzeszutek Wilk [mailto:konrad.wilk@oracle.com]
>> > Sent: Wednesday, January 14, 2015 12:46 AM
>> >
>> >
>> > Perhaps an easier way of this is to use the existing
>> > mechanism we have - that is the XENMEM_memory_map (which
>> > BTW e820_host uses). If all of this is done in the libxl (which
>> > already does this based on the host E820, thought it can
>> > be modified to query the hypervisor for other 'reserved
>> > regions') and hvmloader is modified to use XENMEM_memory_map
>> > and base its E820 on that (and also QEMU-xen), then we solve
>> > this problem and also the http://bugs.xenproject.org/xen/bug/28?
>> >
>>
>> I'm not familiar with that option, but a quick search looks saying
>> it's only for PV guest?
>
> It was originally for PV, but the hypercall can be executed under
> HVM now too (thanks for PVH patches).
Except that XENMEM_set_memory_map refuses to work on HVM
guests (but that clause is easily dropped).
Jan
next prev parent reply other threads:[~2015-01-15 8:43 UTC|newest]
Thread overview: 139+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-26 11:23 (v2) Design proposal for RMRR fix Tian, Kevin
2015-01-08 0:43 ` Tian, Kevin
2015-01-08 12:32 ` Tim Deegan
2015-01-09 0:53 ` Tian, Kevin
2015-01-09 12:00 ` Andrew Cooper
2015-01-08 12:49 ` George Dunlap
2015-01-08 12:54 ` George Dunlap
2015-01-08 13:00 ` Jan Beulich
2015-01-08 15:15 ` George Dunlap
2015-01-08 15:21 ` Jan Beulich
2015-01-09 2:43 ` Tian, Kevin
2015-01-12 11:25 ` George Dunlap
2015-01-12 13:56 ` Pasi Kärkkäinen
2015-01-12 14:23 ` George Dunlap
2015-01-08 12:58 ` Jan Beulich
2015-01-09 2:29 ` Tian, Kevin
2015-01-09 9:24 ` Jan Beulich
2015-01-09 10:03 ` Tian, Kevin
2015-01-09 2:42 ` Tian, Kevin
2015-01-08 13:54 ` Jan Beulich
2015-01-08 15:59 ` George Dunlap
2015-01-08 16:10 ` Jan Beulich
2015-01-08 18:02 ` George Dunlap
2015-01-08 18:12 ` Pasi Kärkkäinen
2015-01-09 3:12 ` Tian, Kevin
2015-01-09 8:58 ` Jan Beulich
2015-01-09 20:27 ` Konrad Rzeszutek Wilk
2015-01-12 9:44 ` Tian, Kevin
2015-01-12 12:12 ` Ian Campbell
2015-01-14 20:06 ` Konrad Rzeszutek Wilk
2015-01-09 2:49 ` Tian, Kevin
2015-01-09 2:27 ` Tian, Kevin
2015-01-09 9:21 ` Jan Beulich
2015-01-09 10:10 ` Tian, Kevin
2015-01-09 10:35 ` Jan Beulich
2015-01-12 8:46 ` Tian, Kevin
2015-01-12 9:32 ` Jan Beulich
2015-01-12 9:41 ` Tian, Kevin
2015-01-12 9:50 ` Jan Beulich
2015-01-12 9:56 ` Tian, Kevin
2015-01-12 10:08 ` Jan Beulich
2015-01-12 10:12 ` Tian, Kevin
2015-01-12 10:22 ` Jan Beulich
2015-01-12 11:22 ` Tian, Kevin
2015-01-12 11:37 ` Jan Beulich
2015-01-12 11:41 ` Tian, Kevin
2015-01-12 12:03 ` Jan Beulich
2015-01-12 12:16 ` Tian, Kevin
2015-01-12 12:46 ` Jan Beulich
2015-01-12 12:13 ` George Dunlap
2015-01-12 12:23 ` Ian Campbell
2015-01-12 12:28 ` Tian, Kevin
2015-01-12 14:19 ` George Dunlap
2015-01-13 11:03 ` Tian, Kevin
2015-01-13 11:56 ` Jan Beulich
2015-01-13 12:03 ` Tian, Kevin
2015-01-13 15:52 ` Jan Beulich
2015-01-13 15:58 ` George Dunlap
2015-01-14 8:06 ` Tian, Kevin
2015-01-14 9:00 ` Jan Beulich
2015-01-14 9:43 ` Tian, Kevin
2015-01-14 10:24 ` Jan Beulich
2015-01-14 12:01 ` George Dunlap
2015-01-14 12:11 ` Tian, Kevin
2015-01-14 14:32 ` Jan Beulich
2015-01-14 14:37 ` George Dunlap
2015-01-14 14:47 ` Jan Beulich
2015-01-14 18:29 ` George Dunlap
2015-01-15 8:37 ` Jan Beulich
2015-01-15 9:36 ` Tian, Kevin
2015-01-15 10:06 ` Jan Beulich
2015-01-18 8:36 ` Tian, Kevin
2015-01-19 8:42 ` Jan Beulich
2015-01-15 11:45 ` George Dunlap
2015-01-18 8:58 ` Tian, Kevin
2015-01-19 9:32 ` Jan Beulich
2015-01-19 11:24 ` Tian, Kevin
2015-01-19 11:33 ` Tim Deegan
2015-01-19 11:41 ` Jan Beulich
2015-01-19 12:23 ` Tim Deegan
2015-01-19 13:00 ` George Dunlap
2015-01-20 0:52 ` Tian, Kevin
2015-01-20 8:43 ` Jan Beulich
2015-01-20 8:56 ` Tian, Kevin
2015-01-20 12:56 ` George Dunlap
2015-01-21 2:43 ` Tian, Kevin
2015-01-19 13:52 ` Jan Beulich
2015-01-19 15:29 ` Tim Deegan
2015-01-20 0:45 ` Tian, Kevin
2015-01-20 7:29 ` Jan Beulich
2015-01-20 8:59 ` Tian, Kevin
2015-01-20 9:10 ` Jan Beulich
2015-01-20 10:38 ` Ian Campbell
2015-01-20 10:48 ` Jan Beulich
2015-01-21 2:30 ` Tian, Kevin
2015-01-21 10:18 ` Jan Beulich
2015-01-19 10:21 ` George Dunlap
2015-01-19 11:08 ` Ian Campbell
2015-01-14 12:03 ` Tian, Kevin
2015-01-14 14:34 ` Jan Beulich
2015-01-14 12:12 ` George Dunlap
2015-01-14 14:36 ` Jan Beulich
2015-01-14 12:16 ` George Dunlap
2015-01-14 14:39 ` Jan Beulich
2015-01-14 18:16 ` George Dunlap
2015-01-14 12:21 ` Ian Campbell
2015-01-14 12:17 ` Ian Campbell
2015-01-14 15:07 ` Jan Beulich
2015-01-14 15:18 ` Ian Campbell
2015-01-14 15:39 ` George Dunlap
2015-01-14 15:43 ` Ian Campbell
2015-01-14 18:14 ` George Dunlap
2015-01-15 10:05 ` Ian Campbell
2015-01-15 11:58 ` George Dunlap
2015-01-14 16:26 ` Jan Beulich
2015-01-15 8:40 ` Tian, Kevin
2015-01-14 12:29 ` George Dunlap
2015-01-14 14:42 ` Jan Beulich
2015-01-14 18:22 ` George Dunlap
2015-01-15 8:18 ` Tian, Kevin
2015-01-13 13:45 ` George Dunlap
2015-01-13 15:47 ` Jan Beulich
2015-01-13 16:00 ` George Dunlap
2015-01-13 16:06 ` Jan Beulich
2015-01-14 6:52 ` Tian, Kevin
2015-01-14 12:14 ` Ian Campbell
2015-01-14 12:23 ` George Dunlap
2015-01-15 8:12 ` Tian, Kevin
2015-01-13 16:45 ` Konrad Rzeszutek Wilk
2015-01-14 8:13 ` Tian, Kevin
2015-01-14 9:02 ` Jan Beulich
2015-01-14 9:44 ` Tian, Kevin
2015-01-14 10:25 ` Jan Beulich
2015-01-14 20:42 ` Konrad Rzeszutek Wilk
2015-01-15 8:09 ` Tian, Kevin
2015-01-16 17:17 ` Konrad Rzeszutek Wilk
2015-01-15 8:43 ` Jan Beulich [this message]
2015-01-14 12:47 ` George Dunlap
2015-01-12 12:30 ` Tian, Kevin
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