From: Julien Grall <julien.grall@arm.com>
To: Jan Beulich <JBeulich@suse.com>
Cc: sstabellini@kernel.org, wei.liu2@citrix.com,
Ian Campbell <ian.campbell@citrix.com>,
Stefano Stabellini <stefano.stabellini@eu.citrix.com>,
Marc Zyngier <Marc.Zyngier@arm.com>,
xen-devel@lists.xen.org
Subject: Re: [for-4.7] xen/arm64: correctly emulate the {w, x}zr registers
Date: Thu, 7 Apr 2016 19:49:55 +0100 [thread overview]
Message-ID: <5706ABD3.8000205@arm.com> (raw)
In-Reply-To: <5706A48F02000078000E5FE6@prv-mh.provo.novell.com>
Hi Jan,
On 07/04/2016 18:18, Jan Beulich wrote:
>>>> On 07.04.16 at 12:53, <julien.grall@arm.com> wrote:
>> ---
>>
>> Stefano, let me know the new helper corresponds to change you requested
>> (see [1])
>>
>> This patch is a bug fix for Xen 4.7. Without it, a MMIO register and
>> sysreg will be set to a random value (actually PC) when the zero
>> register is used.
>>
>> I'm not sure if we should consider this patch to be backported to Xen
>> 4.6 and Xen 4.5. It depends on other patches and it would require some
>> rework to backport it alone.
>>
>> [1]
>> http://lists.xenproject.org/archives/html/xen-devel/2016-02/msg03100.html
>
> So the tags and alike would suggest this is ready to be committed,
> but the lack of a version number or version history don't really
> help support this. Could you please clarify the state of this patch?
Sorry I forgot to mention the changes I made. This is a resend with the
modification suggested by Stefano.
I've kept Stefano's reviewed-by as he was fine with and without the
helpers. Although, I would like to give Stefano a chance to object. Can
you wait a bit before committing?
Regards,
--
Julien Grall
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next prev parent reply other threads:[~2016-04-07 18:49 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-07 10:53 [for-4.7] xen/arm64: correctly emulate the {w, x}zr registers Julien Grall
2016-04-07 17:18 ` Jan Beulich
2016-04-07 18:49 ` Julien Grall [this message]
2016-04-08 16:02 ` Konrad Rzeszutek Wilk
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