Re: [Xen-devel] [PATCH v2 1/3] livepach: Add .livepatch.hooks functions and test-case

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 08.08.16 at 15:42, <george.dunlap@xxxxxxxxxx> wrote:
> On 05/08/16 16:35, Jan Beulich wrote:
>>>>> On 04.08.16 at 17:49, <konrad.wilk@xxxxxxxxxx> wrote:
>>> In general, the hooks provide flexibility when having to deal with
>>> unforeseen cases, but their application should be rarely required (<
>>> 10%)."
>> 
>> But the greater flexibility of course comes with increased chances
>> of screwing things up. I'm therefore still not entirely convinced that
>> such XSAs wouldn't then better not be live patched.
> 
> But this functionality is optional, right?  So although I tend to agree
> with you, we can let the person / organization preparing the patch take
> that risk if they want to?

That's a valid point, albeit I think patch producer and patch consumer
might have different views, and the patch consumer may not know
(or even know to care) whether (s)he's got handed a patch with or
without use of hooks.

Jan


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