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Old 02-11-2009, 07:24 PM
James Troup
 
Default Xen patch for next Hardy SRU

Hi,

Could we please get the patch in:

<https://bugs.launchpad.net/ubuntu/+source/linux/+bug/237724>

into the next hardy SRU? The current kernel makes it impossible for
mono users and developers to use Launchpad PPAs on amd64 machines.

I'm obviously biased (since I wrote it), but the patch strikes me as
obviously correct and safe. AFAICT, when the Xen merge was done,
sys_x86_64.c was reverted to it's 2.6.18 state to fix a
'defined-twice' compile time error, rather than simply updating Xen's
copy of pgtable_64.h to define HAVE_ARCH_UNMAPPED_AREA_TOPDOWN as the
non-Xen version does.

In any event, I've tested the patch, it's in active use on one of the
PPA builders and hasn't shown any problems so far and does fix mono.
The change is also completely isolated to Xen and can't possibly
affect non-Xen kernels.

Thanks

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James

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Old 02-12-2009, 01:30 PM
Stefan Bader
 
Default Xen patch for next Hardy SRU

James Troup wrote:
> Hi,
>
> Could we please get the patch in:
>
> <https://bugs.launchpad.net/ubuntu/+source/linux/+bug/237724>
>
> into the next hardy SRU? The current kernel makes it impossible for
> mono users and developers to use Launchpad PPAs on amd64 machines.
>
> I'm obviously biased (since I wrote it), but the patch strikes me as
> obviously correct and safe. AFAICT, when the Xen merge was done,
> sys_x86_64.c was reverted to it's 2.6.18 state to fix a
> 'defined-twice' compile time error, rather than simply updating Xen's
> copy of pgtable_64.h to define HAVE_ARCH_UNMAPPED_AREA_TOPDOWN as the
> non-Xen version does.
>
> In any event, I've tested the patch, it's in active use on one of the
> PPA builders and hasn't shown any problems so far and does fix mono.
> The change is also completely isolated to Xen and can't possibly
> affect non-Xen kernels.
>
> Thanks
>
Thanks James, I have a look at it.

Stefan

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