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From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Nick Piggin <npiggin@suse.de>
Cc: Hugh Dickins <hugh@veritas.com>, Andrew Morton <akpm@osdl.org>,
	Linux Memory Management <linux-mm@kvack.org>,
	Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: [patch 0/3] 2.6.20 fix for PageUptodate memorder problem (try 2)
Date: Fri, 09 Feb 2007 12:44:09 +1100	[thread overview]
Message-ID: <1170985449.2620.391.camel@localhost.localdomain> (raw)
In-Reply-To: <20070209013115.GA17334@wotan.suse.de>


> > Fix threaded user page write memory ordering
> 
> Thanks, I did see that, but I'm sure it must have been prompted by a
> discussion or another proposed patch from IBM. Maybe I'm wrong
> though.

Yes, my initial proposal iirc was to smp_wmb() in set_pte() but after a
discussion with Linus, we ended with open coding them.

Ben.



  reply	other threads:[~2007-02-09  1:44 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-08 13:26 Nick Piggin
2007-02-08 13:27 ` [patch 1/3] mm: fix PageUptodate memorder Nick Piggin
2007-02-08 13:27 ` [patch 2/3] fs: buffer don't PageUptodate without page locked Nick Piggin
2007-02-08 13:27 ` [patch 3/3] mm: make read_cache_page synchronous Nick Piggin
2007-02-08 22:21 ` [patch 0/3] 2.6.20 fix for PageUptodate memorder problem (try 2) Benjamin Herrenschmidt
2007-02-09  0:41 ` Hugh Dickins
2007-02-09  1:31   ` Nick Piggin
2007-02-09  1:44     ` Benjamin Herrenschmidt [this message]
2007-02-09  1:41   ` Benjamin Herrenschmidt

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