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[Xen-devel] Re: [PATCH] Two patches fixing regression introduced by 'x86-64, mm: Put early page table high'
On 05/02/2011 10:22 AM, Konrad Rzeszutek Wilk wrote:
> But we haven't come up with an acceptable general solution yet, so this
> patchset provides a workaround for the problem. Peter, Yinghai - what would be
> the best forum/email/conference to hammer out a general solution for this?
> Currently, there are couple of ways of fixing this:
> - use pvops hooks:
> - have a workaround in Xen MMU's early bootup code (which is what these
> two patches to this email have).
> - or remove the patch introducing the regression altogether.
> Foremost important is to fix the regression, and attached patches
> achieve that. I want to remove this workaround patch when we
> hammer out more appropriate semantics for the page table creation - but
> that will take some time and the runway to do that in 2.6.39 is gone.
My inclination would be to apply your workaround -- are there any
adverse effects to doing that?
[Sorry if I have missed any emails recently... apparently my email was
significantly on the fritz over the last few days.]
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