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From: Jeremy Fitzhardinge <jeremy@goop.org>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Andreas Mohr <andi@rhlx01.fht-esslingen.de>,
	John Richard Moser <nigelenki@comcast.net>,
	Chris Friesen <cfriesen@nortel.com>,
	linux-kernel@vger.kernel.org
Subject: Re: Can context switches be faster?
Date: Fri, 13 Oct 2006 17:14:57 -0700	[thread overview]
Message-ID: <45302C01.4070503@goop.org> (raw)
In-Reply-To: <1160785812.25218.99.camel@localhost.localdomain>

Alan Cox wrote:
> We already do. The newer x86 processors also have TLB tagging so they
> can (if you find one without errata!) avoid the actual flush and instead
> track the tag.

Are there any?  I think AMD dropped it rather than spend the effort to 
make it work.

    J


      reply	other threads:[~2006-10-14  0:11 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-10-12 15:44 Can context switches be faster? John Richard Moser
2006-10-12 15:53 ` John Richard Moser
2006-10-12 17:19 ` Russell King
2006-10-12 18:25   ` John Richard Moser
2006-10-12 18:37     ` Arjan van de Ven
2006-10-12 18:56       ` John Richard Moser
2006-10-12 19:02         ` Arjan van de Ven
2006-10-13 11:05       ` James Courtier-Dutton
2006-10-13 14:51         ` Chase Venters
2006-10-12 18:20 ` Phillip Susi
2006-10-12 18:29   ` John Richard Moser
2006-10-13  2:53     ` Andrew James Wade
2006-10-13  5:29       ` John Richard Moser
2006-10-13 16:56         ` Andrew James Wade
2006-10-13 17:24           ` John Richard Moser
2006-10-12 19:57 ` Chris Friesen
2006-10-12 20:23   ` John Richard Moser
2006-10-12 20:29     ` Arjan van de Ven
2006-10-12 20:36       ` John Richard Moser
2006-10-12 20:35     ` Jeremy Fitzhardinge
2006-10-13 23:32       ` Andreas Mohr
2006-10-13 23:47         ` David Lang
2006-10-14  0:14         ` Jeremy Fitzhardinge
2006-10-14  0:30         ` Alan Cox
2006-10-14  0:14           ` Jeremy Fitzhardinge [this message]

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