From owner-cvs-src-old@FreeBSD.ORG Wed Apr 7 17:13:14 2010 Return-Path: Delivered-To: cvs-src-old@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 5E27C106566B for ; Wed, 7 Apr 2010 17:13:14 +0000 (UTC) (envelope-from yongari@FreeBSD.org) Received: from repoman.freebsd.org (repoman.freebsd.org [IPv6:2001:4f8:fff6::29]) by mx1.freebsd.org (Postfix) with ESMTP id 4E1938FC17 for ; Wed, 7 Apr 2010 17:13:14 +0000 (UTC) Received: from repoman.freebsd.org (localhost [127.0.0.1]) by repoman.freebsd.org (8.14.3/8.14.3) with ESMTP id o37HDEU5088364 for ; Wed, 7 Apr 2010 17:13:14 GMT (envelope-from yongari@repoman.freebsd.org) Received: (from svn2cvs@localhost) by repoman.freebsd.org (8.14.3/8.14.3/Submit) id o37HDEhn088363 for cvs-src-old@freebsd.org; Wed, 7 Apr 2010 17:13:14 GMT (envelope-from yongari@repoman.freebsd.org) Message-Id: <201004071713.o37HDEhn088363@repoman.freebsd.org> X-Authentication-Warning: repoman.freebsd.org: svn2cvs set sender to yongari@repoman.freebsd.org using -f From: Pyun YongHyeon Date: Wed, 7 Apr 2010 17:12:57 +0000 (UTC) To: cvs-src-old@freebsd.org X-FreeBSD-CVS-Branch: HEAD Subject: cvs commit: src/sys/dev/msk if_msk.c X-BeenThere: cvs-src-old@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: **OBSOLETE** CVS commit messages for the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 07 Apr 2010 17:13:14 -0000 yongari 2010-04-07 17:12:57 UTC FreeBSD src repository Modified files: sys/dev/msk if_msk.c Log: SVN rev 206364 on 2010-04-07 17:12:57Z by yongari Partial revert r204545. Just relying on status LE ownership of status block seems to cause poor performance. Always read current status index register first and then check status ownership as we had before. Accessing status index register seems to trigger immediate status update if controller have pending status updates. MFC after: 1 week Reported by: Andre Albsmeier siemens dot com> Tested by: Andre Albsmeier siemens dot com> Revision Changes Path 1.92 +4 -1 src/sys/dev/msk/if_msk.c