Re: [Xen-devel] [PATCH 0/2] x86: XSA-45 followup

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 03.05.13 at 10:17, Keir Fraser <keir.xen@xxxxxxxxx> wrote:
> On 03/05/2013 08:02, "Jan Beulich" <JBeulich@xxxxxxxx> wrote:
> 
>>>>> On 02.05.13 at 18:29, Keir Fraser <keir.xen@xxxxxxxxx> wrote:
>>> On 02/05/2013 15:44, "Jan Beulich" <JBeulich@xxxxxxxx> wrote:
>>> 
>>>> These aren't part of the actual security fixes, but the first helps
>>>> proving that what needs to be preemptible now really is. The second
>>>> is really just cleanup the potential for which was noticed while putting
>>>> together the earlier ones.
>>>> 
>>>> 1: cleanup after making various page table manipulation operations
>>> preemptible
>>>> 2: miscellaneous mm.c cleanup
>>>> 
>>>> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
>>> 
>>> Questionable for 4.3? I'm not sure.
>> 
>> I'm definitive about the first one, and am even intending to put its
>> backports on the stable branches later today (as the whole batch
>> already passed the push gate). You may have noticed that I
>> committed them already (you should have raised your concern
>> regarding committing them at this stage when these were discussed
>> on security@), so if you're unhappy with the second one to be
>> there we ought to revert it.
> 
> Yeah 1/2 looks surely fine, it's just mechanistic cleanup really. 2/2 hmmm
> well I think it's okay too -- you wouldn't backport that one though, right?

Right, only the first one.

Jan


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