Re: [Xen-devel] [PATCH for-4.9 v3 3/3] xen/livepatch: Don't crash on encountering STN_UNDEF relocations

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Fri, Jun 23, 2017 at 02:45:22PM +0100, Andrew Cooper wrote:
> On 23/06/17 14:43, Julien Grall wrote:
> > Hi,
> >
> > On 23/06/17 14:33, Andrew Cooper wrote:
> >> On 23/06/17 14:32, Julien Grall wrote:
> >>> Hi Andrew,
> >>>
> >>> I am a bit confused, the title says "PATCH for-4.9 v3 3/3". I haven't
> >>> been CCed on the first two patches. Does it mean you are only looking
> >>> at this patch to be in 4.9?
> >>
> >> Sorry - I messed up the CC lists.  The correctness of this patch does
> >> depend on the previous two, so all 3 are looking for inclusion.
> >
> > Given that we don't have livepatch testing in osstest how much test
> > have we done on those 3 patches?
> 
> There is testing in OSSTest.

Hurray hurray hurray!
> 
> I've manually run each of the scenarios, including with my livepatch
> which has a STN_UNDEF relocation.
>
> I don't know what testing Konrad has done.

I run a version of the same tests that are in OSSTest (basically an earlier
version of the Perl code) and I have done it on x86 and on ARM32.

And I also run the standalone OSSTest (on x86)

And then I also do a livepatch using the livepatch-build-tools on x86 to
patch some silly function.

So from a testing perspective these patches have been tested very exhaustively.

> 
> ~Andrew

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