From: Andrea Arcangeli <andrea@suse.de>
To: Andi Kleen <ak@suse.de>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>,
Arjan van de Ven <arjan@infradead.org>,
Ingo Molnar <mingo@elte.hu>,
Arjan van de Ven <arjan@intel.linux.com>,
linux-kernel@vger.kernel.org, akpm@osdl.org
Subject: Re: [Patch 3/3] prepopulate/cache cleared pages
Date: Fri, 24 Feb 2006 16:31:08 +0100 [thread overview]
Message-ID: <20060224153108.GA5866@g5.random> (raw)
In-Reply-To: <200602241327.27390.ak@suse.de>
On Fri, Feb 24, 2006 at 01:27:26PM +0100, Andi Kleen wrote:
> I used the generic algorithm because Andrea originally expressed some doubts
> on the correctness of the xadd algorithms and after trying to understand them
> myself I wasn't sure myself. Generic was the safer choice.
Amittedly we never had bugreports for the xadd ones, but trust me that's
not a good reason to assume that they must be correct. I'd be more
confortable if somebody would provide a demonstration of their
correctnes. Overall I gave up also because I felt that the small gain
was by far not worth the risk.
next prev parent reply other threads:[~2006-02-24 15:31 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-23 9:17 [Patch 0/3] threaded mmap tweaks Arjan van de Ven
2006-02-23 9:29 ` [Patch 3/3] prepopulate/cache cleared pages Arjan van de Ven
2006-02-23 9:41 ` Andi Kleen
2006-02-23 12:41 ` Ingo Molnar
2006-02-23 13:06 ` Andi Kleen
2006-02-23 13:15 ` Nick Piggin
2006-02-23 13:29 ` Ingo Molnar
2006-02-24 6:36 ` Nick Piggin
2006-02-24 6:49 ` Ingo Molnar
2006-02-24 7:01 ` Nick Piggin
2006-02-24 12:33 ` Andi Kleen
2006-02-24 12:55 ` Hugh Dickins
2006-02-24 9:15 ` Arjan van de Ven
2006-02-24 9:26 ` Nick Piggin
2006-02-24 12:27 ` Andi Kleen
2006-02-24 15:31 ` Andrea Arcangeli [this message]
2006-02-25 16:48 ` Nick Piggin
2006-02-25 17:22 ` Nick Piggin
2006-02-28 22:30 ` Pavel Machek
2006-02-23 18:25 ` Paul Jackson
2006-02-23 9:30 ` [Patch 2/3] fast VMA recycling Arjan van de Ven
2006-02-23 9:42 ` Andi Kleen
2006-02-23 9:48 ` Arjan van de Ven
2006-02-23 10:05 ` Andi Kleen
2006-02-23 10:15 ` Arjan van de Ven
2006-02-23 11:00 ` Andi Kleen
2006-02-23 11:22 ` Arjan van de Ven
2006-02-23 11:57 ` Andi Kleen
2006-02-24 18:52 ` Christoph Hellwig
2006-02-24 19:05 ` Andi Kleen
2006-02-24 19:09 ` Christoph Hellwig
2006-02-23 16:37 ` Benjamin LaHaise
-- strict thread matches above, loose matches on Subject: below --
2006-02-23 20:02 [Patch 3/3] prepopulate/cache cleared pages Chuck Ebbert
2006-02-23 21:10 Chuck Ebbert
2006-02-23 21:18 ` Arjan van de Ven
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