Re: [Xen-devel] PAE PV guest kernel regression

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

> 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
> 
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