From owner-svn-src-all@FreeBSD.ORG Tue Oct 14 19:02:47 2008 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 771471065687; Tue, 14 Oct 2008 19:02:47 +0000 (UTC) (envelope-from delphij@FreeBSD.org) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c]) by mx1.freebsd.org (Postfix) with ESMTP id 64F118FC1D; Tue, 14 Oct 2008 19:02:47 +0000 (UTC) (envelope-from delphij@FreeBSD.org) Received: from svn.freebsd.org (localhost [127.0.0.1]) by svn.freebsd.org (8.14.3/8.14.3) with ESMTP id m9EJ2lxg013834; Tue, 14 Oct 2008 19:02:47 GMT (envelope-from delphij@svn.freebsd.org) Received: (from delphij@localhost) by svn.freebsd.org (8.14.3/8.14.3/Submit) id m9EJ2lKt013833; Tue, 14 Oct 2008 19:02:47 GMT (envelope-from delphij@svn.freebsd.org) Message-Id: <200810141902.m9EJ2lKt013833@svn.freebsd.org> From: Xin LI Date: Tue, 14 Oct 2008 19:02:47 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-7@freebsd.org X-SVN-Group: stable-7 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: Subject: svn commit: r183892 - stable/7/sys/dev/twa X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 14 Oct 2008 19:02:47 -0000 Author: delphij Date: Tue Oct 14 19:02:47 2008 New Revision: 183892 URL: http://svn.freebsd.org/changeset/base/183892 Log: MFC r183660: Limit DMA memory to lower addressable 4GB, without this patch, we can reliably provoke data corruption on systems equipped with a plenty of memory during high load. Approved by: re (kib) Modified: stable/7/sys/dev/twa/ (props changed) stable/7/sys/dev/twa/tw_osl_freebsd.c Modified: stable/7/sys/dev/twa/tw_osl_freebsd.c ============================================================================== --- stable/7/sys/dev/twa/tw_osl_freebsd.c Tue Oct 14 18:24:40 2008 (r183891) +++ stable/7/sys/dev/twa/tw_osl_freebsd.c Tue Oct 14 19:02:47 2008 (r183892) @@ -492,7 +492,7 @@ tw_osli_alloc_mem(struct twa_softc *sc) if (bus_dma_tag_create(NULL, /* parent */ sc->alignment, /* alignment */ 0, /* boundary */ - BUS_SPACE_MAXADDR, /* lowaddr */ + BUS_SPACE_MAXADDR_32BIT,/* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, NULL, /* filter, filterarg */ TW_CL_MAX_IO_SIZE, /* maxsize */ @@ -515,7 +515,7 @@ tw_osli_alloc_mem(struct twa_softc *sc) if (bus_dma_tag_create(sc->parent_tag, /* parent */ sc->alignment, /* alignment */ 0, /* boundary */ - BUS_SPACE_MAXADDR, /* lowaddr */ + BUS_SPACE_MAXADDR_32BIT,/* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, NULL, /* filter, filterarg */ dma_mem_size, /* maxsize */ @@ -562,7 +562,7 @@ tw_osli_alloc_mem(struct twa_softc *sc) if (bus_dma_tag_create(sc->parent_tag, /* parent */ sc->alignment, /* alignment */ 0, /* boundary */ - BUS_SPACE_MAXADDR, /* lowaddr */ + BUS_SPACE_MAXADDR_32BIT,/* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, NULL, /* filter, filterarg */ TW_CL_MAX_IO_SIZE, /* maxsize */ @@ -588,7 +588,7 @@ tw_osli_alloc_mem(struct twa_softc *sc) if (bus_dma_tag_create(sc->parent_tag, /* parent */ sc->alignment, /* alignment */ 0, /* boundary */ - BUS_SPACE_MAXADDR, /* lowaddr */ + BUS_SPACE_MAXADDR_32BIT,/* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, NULL, /* filter, filterarg */ TW_CL_MAX_IO_SIZE, /* maxsize */