From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: Andrew Jones <drjones@redhat.com>
Cc: Jan Beulich <JBeulich@suse.com>, xen-devel@lists.xen.org
Subject: Re: PAE PV guest kernel regression
Date: Thu, 7 Jun 2012 10:57:31 -0400 [thread overview]
Message-ID: <20120607145731.GM9472@phenom.dumpdata.com> (raw)
In-Reply-To: <baf035e2-1ee1-43f1-85b0-bac70b958351@zmail17.collab.prod.int.phx2.redhat.com>
> Ah, I didn't check to see what Fedora pulled in on top of 3.4. Had I
> done that I would have immediately suspected a different patch instead
> (mm-pmd_read_atomic-fix-32bit-PAE-pmd-walk-vs-pmd_populate-SMP-race-condition.patch,
> upstream commit 26c191788f18). We've already encountered one problem
> with this patch for RHEL6 and fixed it. The patch F17 has, however, is
Was the fix for the git commit 26c191788f18 (which I understand is in RHEL6)
posted?
> already the "fixed" version. Now the difference between RHEL6 and F17
> though is that F17 has CONFIG_TRANSPARENT_HUGEPAGE=y for 32b guests,
> but RHEL6 does not. So now with this patch F17 is calling
> atomic64_read() from pmd_none_or_trans_huge_or_clear_bad().
>
> Drew
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xen.org
> http://lists.xen.org/xen-devel
next prev parent reply other threads:[~2012-06-07 14:57 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <c30e80f1-120e-4b42-ab33-c53bbe714a94@zmail17.collab.prod.int.phx2.redhat.com>
2012-06-06 8:54 ` PAE PV guest kernel regression Andrew Jones
2012-06-06 10:41 ` Jan Beulich
2012-06-07 10:46 ` Andrew Jones
2012-06-07 14:55 ` Jan Beulich
2012-06-07 15:19 ` Andrew Jones
2012-06-07 15:44 ` Andrew Jones
2012-06-07 18:48 ` Jan Beulich
2012-06-07 19:43 ` Jan Beulich
2012-06-07 14:57 ` Konrad Rzeszutek Wilk [this message]
2012-06-07 15:16 ` Andrew Jones
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