From: Linus Torvalds <torvalds@linux-foundation.org>
To: Nick Piggin <npiggin@suse.de>
Cc: Hugh Dickins <hugh@veritas.com>,
linux-arch@vger.kernel.org,
Linux Memory Management List <linux-mm@kvack.org>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>
Subject: Re: [rfc] data race in page table setup/walking?
Date: Thu, 1 May 2008 18:33:45 -0700 (PDT) [thread overview]
Message-ID: <alpine.LFD.1.10.0805011832010.5994@woody.linux-foundation.org> (raw)
In-Reply-To: <20080502012006.GD30768@wotan.suse.de>
On Fri, 2 May 2008, Nick Piggin wrote:
>
> I guess it is possible. But at least in the case of write address, you'd
> have to wait for later stores anyway in order to do the alias detection,
> which might be the most common case.
No, just the *address*. The data for the second store may not be ready,
but the address may have been resolved (and checked that it doesn't fault
etc) and the previous store may complete.
Linus
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next prev parent reply other threads:[~2008-05-02 1:33 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
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 [this message]
2008-05-02 1:43 ` Nick Piggin
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