Re: [PATCH 1/3] x86-32: Separate 1:1 pagetables from swapper_pg_dir

From: Borislav Petkov
Date: Wed Jan 19 2011 - 02:19:53 EST


On Tue, Jan 18, 2011 at 07:39:08PM -0500, Konrad Rzeszutek Wilk wrote:
> On Thu, Nov 11, 2010 at 02:56:13PM +0100, Joerg Roedel wrote:

[..]

> > -v2: switch to swapper_pg_dir right after entering start_secondary() so
> > that we are able to access percpu data which might not be mapped in the
> > trampoline page table.
>
> You also might want to look at the regression this patch caused when it
> was introduced. Mainly this fix:
> 805e3f495057aa5307ad4e3d6dc7073d4733c691

I think you mean the regression _this_
b40827fa7268fda8a62490728a61c2856f33830b patch caused, which is not in
-stable anyway.

--
Regards/Gruss,
Boris.
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