linux-kernel - Re: Problem with global_flush_tlb() on i386 (x86

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Message-Id: <200706201953.54322.ak@suse.de>
Date:	Wed, 20 Jun 2007 19:53:53 +0200
From:	Andi Kleen <ak@...e.de>
To:	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
Cc:	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
	mingo@...hat.com, mbligh@...gle.com
Subject: Re: Problem with global_flush_tlb() on i386 (x86_64? too) in 2.6.22-rc4-mm2

On Wednesday 20 June 2007 18:46, Mathieu Desnoyers wrote:
> * Andi Kleen (ak@...e.de) wrote:
> > On Tuesday 19 June 2007 22:01:36 Mathieu Desnoyers wrote:
> > > Looking more closely into the code to find the cause of the
> > > change_page_addr()/global_flush_tlb() inconsistency, I see where the
> > > problem could be:
> >
> > Yes it's a known problem. I have a hack queued for .22 and there
> > are proposed patches for .23 too.
> >
> > ftp://ftp.firstfloor.org/pub/ak/x86_64/late-merge/patches/cpa-flush
> >
> > -ANdi
>
> Hi Andi,
>
> Although I cannot find it at the specified URL, I suspect it is already
> in Andrew's tree, in 2.6.22-rc4-mm2, under the name

Try again

> "x86_64-mm-cpa-cache-flush.patch"

No, that's a different patch with also at least one known bug.

-Andi
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