From: Jes Sorensen <jes@sgi.com>
To: Andi Kleen <ak@suse.de>
Cc: discuss@x86-64.org, "Bryan O'Sullivan" <bos@pathscale.com>,
linux-kernel@vger.kernel.org
Subject: Re: [discuss] Re: Why is wmb() a no-op on x86_64?
Date: 19 Jan 2006 05:03:11 -0500 [thread overview]
Message-ID: <yq0hd807cww.fsf@jaguar.mkp.net> (raw)
In-Reply-To: <200601181831.01688.ak@suse.de>
>>>>> "Andi" == Andi Kleen <ak@suse.de> writes:
Andi> On Wednesday 18 January 2006 18:06, Jes Sorensen wrote:
>> A job for mmiowb() perhaps?
Andi> No, normal IO mappings are also not write combining on x86, so
Andi> it's not needed there.
True, just seemed nasty to have yet another special purpose wmb()
variation.
Cheers,
Jes
next prev parent reply other threads:[~2006-01-19 10:03 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-18 16:23 Bryan O'Sullivan
2006-01-18 16:29 ` Andi Kleen
2006-01-18 16:52 ` Bryan O'Sullivan
2006-01-18 17:06 ` Jes Sorensen
2006-01-18 17:23 ` Bryan O'Sullivan
2006-01-18 17:31 ` [discuss] " Andi Kleen
2006-01-19 10:03 ` Jes Sorensen [this message]
2006-01-18 20:07 ` Roland Dreier
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