From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Hugh Dickins <hugh@veritas.com>
Cc: Nick Piggin <npiggin@suse.de>,
Linus Torvalds <torvalds@linux-foundation.org>,
linux-arch@vger.kernel.org,
Linux Memory Management List <linux-mm@kvack.org>
Subject: Re: [rfc] data race in page table setup/walking?
Date: Wed, 30 Apr 2008 10:09:45 +1000 [thread overview]
Message-ID: <1209514185.18023.202.camel@pasglop> (raw)
In-Reply-To: <Pine.LNX.4.64.0804292328110.23470@blonde.site>
On Tue, 2008-04-29 at 23:47 +0100, Hugh Dickins wrote:
> I am surprised it's enough to patch up the issue.
Well, we get lucky here because there's a data dependency between all
the loads... the last one needs the result from the previous one etc...
Only alpha is crazy enough to require barriers in that case as far as I
know :-)
Cheers,
Ben.
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next prev parent reply other threads:[~2008-04-30 0:09 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-29 5:00 Nick Piggin
2008-04-29 5:08 ` Benjamin Herrenschmidt
2008-04-29 5:41 ` Nick Piggin
2008-04-29 10:56 ` David Miller, Nick Piggin
2008-04-29 12:36 ` Hugh Dickins
2008-04-29 21:37 ` Benjamin Herrenschmidt
2008-04-29 22:47 ` Hugh Dickins
2008-04-30 0:09 ` Benjamin Herrenschmidt [this message]
2008-04-30 6:03 ` Nick Piggin
2008-04-30 6:05 ` David Miller, Nick Piggin
2008-04-30 6:17 ` Nick Piggin
2008-04-30 11:14 ` Hugh Dickins
2008-05-01 0:35 ` Nick Piggin
2008-05-01 12:45 ` Hugh Dickins
2008-04-30 15:53 ` Linus Torvalds
2008-05-01 0:29 ` Nick Piggin
2008-05-01 3:24 ` Linus Torvalds
2008-05-02 1:20 ` Nick Piggin
2008-05-02 1:33 ` Linus Torvalds
2008-05-02 1:43 ` Nick Piggin
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