From: Juergen Gross <jgross@suse.com>
To: Jan Beulich <JBeulich@suse.com>
Cc: andrew.cooper3@citrix.com, keir@xen.org, xen-devel@lists.xenproject.org
Subject: Re: [PATCH] don't put dom0 console info directly after start_info data
Date: Fri, 19 Jun 2015 14:10:06 +0200 [thread overview]
Message-ID: <5584069E.3050204@suse.com> (raw)
In-Reply-To: <55842174020000780008703D@suse.com>
On 06/19/2015 02:04 PM, Jan Beulich wrote:
>>>> On 19.06.15 at 13:06, <"jgross@suse.com".non-mime.internet> wrote:
>> The console information of dom0 is living in the same memory page as the
>> start_info data. Don't put the console data directly after the start_info
>> to leave some room for future structure enlargements. Otherwise a dom0
>> with a newer start_info layout than the hypervisor could interprete
>> console data as part of the start_info data.
>>
>> Before commit 50bd1f0825339dfacde471df7664729216fc46e3 there used to be a
>> padding at the end of start_info, but this was removed as it was regarded
>> to be not necessary.
>
> Said commit removed padding from shared_info, not start_info.
Aargh, not enough coffee, I guess.
Sorry for the noise.
Juergen
prev parent reply other threads:[~2015-06-19 12:10 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-19 11:06 [PATCH] don't put dom0 console info directly after start_info data Juergen Gross
2015-06-19 12:04 ` Jan Beulich
[not found] ` <55842174020000780008703D@suse.com>
2015-06-19 12:10 ` Juergen Gross [this message]
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