From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Tue, 28 Dec 2010 18:00:18 +0100 (CET) Received: from p57B0EBE7.dip.t-dialin.net ([87.176.235.231]:33430 "EHLO h5.dl5rb.org.uk" rhost-flags-OK-OK-OK-FAIL) by eddie.linux-mips.org with ESMTP id S1491021Ab0L1RAH (ORCPT ); Tue, 28 Dec 2010 18:00:07 +0100 Received: from h5.dl5rb.org.uk (localhost.localdomain [127.0.0.1]) by h5.dl5rb.org.uk (8.14.4/8.14.3) with ESMTP id oBSH0313004031; Tue, 28 Dec 2010 18:00:03 +0100 Received: (from ralf@localhost) by h5.dl5rb.org.uk (8.14.4/8.14.4/Submit) id oBSH03AV004030; Tue, 28 Dec 2010 18:00:03 +0100 Date: Tue, 28 Dec 2010 18:00:03 +0100 From: Ralf Baechle To: David Daney Cc: linux-mips@linux-mips.org Subject: Re: [PATCH 2/2] MIPS: Use BBIT instructions in TLB handlers Message-ID: <20101228170003.GC375@linux-mips.org> References: <1292889290-12849-1-git-send-email-ddaney@caviumnetworks.com> <1292889290-12849-3-git-send-email-ddaney@caviumnetworks.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1292889290-12849-3-git-send-email-ddaney@caviumnetworks.com> User-Agent: Mutt/1.5.21 (2010-09-15) Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 28738 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: ralf@linux-mips.org Precedence: bulk X-list: linux-mips On Mon, Dec 20, 2010 at 03:54:50PM -0800, David Daney wrote: > If the CPU supports BBIT0 and BBIT1, use them in TLB handlers as they > are more efficient than an AND followed by an branch and then > restoring the clobbered register. Queued for 2.6.38. Thanks, Ralf