From: Arjan van de Ven <arjanv@redhat.com>
To: Andi Kleen <ak@suse.de>
Cc: Arjan van de Ven <arjanv@redhat.com>, linux-kernel@vger.kernel.org
Subject: Re: memset (was: Redundant memset in AIO read_events)
Date: Thu, 10 Jul 2003 10:33:17 +0000 [thread overview]
Message-ID: <20030710103317.D21655@devserv.devel.redhat.com> (raw)
In-Reply-To: <p73smpepte1.fsf@oldwotan.suse.de>; from ak@suse.de on Thu, Jul 10, 2003 at 12:29:10PM +0200
On Thu, Jul 10, 2003 at 12:29:10PM +0200, Andi Kleen wrote:
> The problem is that the instruction that avoid write-allocate usually also force
> the result out of cache.
that's for the current implementation; rep stosl may get the WA-avoiding
behavior sometime without the negative cache effects.. someday maybe.
next prev parent reply other threads:[~2003-07-10 10:18 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20030710100417.83333.qmail@web11801.mail.yahoo.com.suse.lists.linux.kernel>
[not found] ` <1057832361.5817.2.camel@laptop.fenrus.com.suse.lists.linux.kernel>
2003-07-10 10:29 ` memset (was: Redundant memset in AIO read_events) Andi Kleen
2003-07-10 10:33 ` Arjan van de Ven [this message]
2003-07-10 10:04 Etienne Lorrain
2003-07-10 10:19 ` Arjan van de Ven
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