From: Hugh Dickins <hugh@veritas.com>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>,
Linux Memory Management List <linux-mm@kvack.org>,
Linux Kernel list <linux-kernel@vger.kernel.org>,
Nick Piggin <npiggin@suse.de>,
Martin Schwidefsky <schwidefsky@de.ibm.com>
Subject: Re: PTE access rules & abstraction
Date: Thu, 25 Sep 2008 00:55:36 +0100 (BST) [thread overview]
Message-ID: <Pine.LNX.4.64.0809250049270.21674@blonde.site> (raw)
In-Reply-To: <1222291248.8277.90.camel@pasglop>
On Thu, 25 Sep 2008, Benjamin Herrenschmidt wrote:
>
> Now, regarding the above bug, I'm afraid the only approaches I see that
> would work would be to have either a ptep_get_and_clear_flush(), which I
> suppose x86 virt. people will hate, or maybe to actually have a powerpc
> specific variant of the new start/commit hooks that does the flush.
Whyever not the latter? Jeremy seems to have gifted that to you,
for precisely such a purpose.
Hugh
p.s. I surely agree with you over the name ptep_get_and_clear_full():
horrid, even more confusing than the tlb->fullmm from which it derives
its name. I expect I'd agree with you over a lot more too, but please,
bugfixes first.
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next prev parent reply other threads:[~2008-09-24 23:55 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-19 17:42 Benjamin Herrenschmidt
2008-09-22 6:22 ` Jeremy Fitzhardinge
2008-09-22 21:05 ` Benjamin Herrenschmidt
2008-09-23 3:10 ` Nick Piggin
2008-09-23 3:16 ` David Miller, Nick Piggin
2008-09-23 5:35 ` Benjamin Herrenschmidt
2008-09-23 6:18 ` Nick Piggin
2008-09-23 5:31 ` Benjamin Herrenschmidt
2008-09-23 6:13 ` Jeremy Fitzhardinge
2008-09-23 6:49 ` Benjamin Herrenschmidt
2008-09-23 9:50 ` Nick Piggin
2008-09-23 11:54 ` peter
2008-09-24 18:45 ` Hugh Dickins
2008-09-24 21:20 ` Benjamin Herrenschmidt
2008-09-24 21:57 ` Jeremy Fitzhardinge
2008-09-24 22:07 ` Benjamin Herrenschmidt
2008-09-24 22:43 ` Jeremy Fitzhardinge
2008-09-24 22:53 ` Benjamin Herrenschmidt
2008-09-24 23:55 ` Hugh Dickins [this message]
2008-09-25 1:04 ` Benjamin Herrenschmidt
2008-09-25 18:15 ` Jeremy Fitzhardinge
2008-09-25 21:44 ` Benjamin Herrenschmidt
2008-09-25 22:27 ` Jeremy Fitzhardinge
2008-09-25 23:02 ` Benjamin Herrenschmidt
2008-09-24 22:17 ` Martin Schwidefsky
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