From: Julien Grall <julien.grall@linaro.org>
To: Juergen Gross <jgross@suse.com>, xen-devel@lists.xenproject.org
Cc: wei.liu2@citrix.com, julien.grall@arm.com, ian.jackson@eu.citrix.com
Subject: Re: [for-4.10] Re: [PATCH v2] tools/libxl: mark special pages as reserved in e820 map for PVH
Date: Wed, 6 Dec 2017 09:53:19 +0000 [thread overview]
Message-ID: <e478f964-b2b3-b982-d2f4-9c4311d1a92e@linaro.org> (raw)
In-Reply-To: <6b7092b5-fafd-dfe1-3c8d-b520752032db@suse.com>
Hi Juergen,
On 12/05/2017 04:19 PM, Juergen Gross wrote:
> On 05/12/17 16:23, Julien Grall wrote:
>> Hi Juergen,
>>
>> On 04/12/17 15:49, Juergen Gross wrote:
>>> On 21/11/17 12:06, Juergen Gross wrote:
>>>> The "special pages" for PVH guests include the frames for console and
>>>> Xenstore ring buffers. Those have to be marked as "Reserved" in the
>>>> guest's E820 map, as otherwise conflicts might arise later e.g. when
>>>> hotplugging memory into the guest.
>>>>
>>>> Signed-off-by: Juergen Gross <jgross@suse.com>
>>>> ---
>>>> This is a bugfix for PVH guests. Please consider for 4.10.
>>>
>>> Ping?
>>
>> I was waiting an ack from tools maintainers before looking for a release
>> perspective.
>>
>> I would recommend to tag your patch is 4.10 to help reviewers prioritize
>> review on your patch. I have done it now.
>>
>> I am looking at releasing Xen 4.10 in the next few days. Can you explain
>> the pros/cons of this patch?
>
> Pros: PVH guests with 4GB of memory or more will work. :-)
They never worked before? Or is it a regression? If it is a regression
when did it appear?
> Cons: There is a more general solution (as Roger pointed out), but
> this would require much more work.
Cheers,
--
Julien Grall
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next prev parent reply other threads:[~2017-12-06 9:53 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-21 11:06 [PATCH v2] tools/libxl: mark special pages as reserved in e820 map for PVH Juergen Gross
2017-11-21 11:27 ` Jan Beulich
[not found] ` <5A141B9E0200007800190754@suse.com>
2017-11-21 11:48 ` Juergen Gross
2017-11-21 12:56 ` Jan Beulich
2017-12-04 15:49 ` Juergen Gross
2017-12-05 15:23 ` [for-4.10] " Julien Grall
2017-12-05 15:36 ` Ian Jackson
2017-12-05 16:19 ` Juergen Gross
2017-12-06 9:53 ` Julien Grall [this message]
2017-12-06 11:22 ` Juergen Gross
2017-12-06 11:47 ` Roger Pau Monné
2017-12-06 11:50 ` Julien Grall
2017-12-06 11:57 ` Juergen Gross
2017-12-04 16:44 ` Roger Pau Monné
2018-02-13 11:55 ` Wei Liu
2018-02-13 11:57 ` Juergen Gross
2018-02-13 12:37 ` Wei Liu
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