lkml.org 
[lkml]   [2011]   [May]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [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: http://marc.info/?i=1302607192-21355-2-git-send-email-stefano.stabellini@eu.citrix.com
> - 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?

-hpa

[Sorry if I have missed any emails recently... apparently my email was
significantly on the fritz over the last few days.]


\
 
 \ /
  Last update: 2011-05-02 19:33    [from the cache]
©2003-2014 Jasper Spaans. Advertise on this site