From owner-cvs-src-old@FreeBSD.ORG  Tue Mar  3 17:28:33 2009
Return-Path: <owner-cvs-src-old@FreeBSD.ORG>
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 B3E561065670
	for <cvs-src-old@freebsd.org>; Tue,  3 Mar 2009 17:28:33 +0000 (UTC)
	(envelope-from rnoland@FreeBSD.org)
Received: from repoman.freebsd.org (repoman.freebsd.org
	[IPv6:2001:4f8:fff6::29])
	by mx1.freebsd.org (Postfix) with ESMTP id A1E078FC14
	for <cvs-src-old@freebsd.org>; Tue,  3 Mar 2009 17:28:33 +0000 (UTC)
	(envelope-from rnoland@FreeBSD.org)
Received: from repoman.freebsd.org (localhost [127.0.0.1])
	by repoman.freebsd.org (8.14.3/8.14.3) with ESMTP id n23HSXKW094278
	for <cvs-src-old@freebsd.org>; Tue, 3 Mar 2009 17:28:33 GMT
	(envelope-from rnoland@repoman.freebsd.org)
Received: (from svn2cvs@localhost)
	by repoman.freebsd.org (8.14.3/8.14.3/Submit) id n23HSXxF094277
	for cvs-src-old@freebsd.org; Tue, 3 Mar 2009 17:28:33 GMT
	(envelope-from rnoland@repoman.freebsd.org)
Message-Id: <200903031728.n23HSXxF094277@repoman.freebsd.org>
X-Authentication-Warning: repoman.freebsd.org: svn2cvs set sender to
	rnoland@repoman.freebsd.org using -f
From: Robert Noland <rnoland@FreeBSD.org>
Date: Mon, 2 Mar 2009 19:00:41 +0000 (UTC)
To: cvs-src-old@freebsd.org
X-FreeBSD-CVS-Branch: HEAD
Subject: cvs commit: src/sys/dev/pci pci.c pcireg.h
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
	<cvs-src-old.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/cvs-src-old>,
	<mailto:cvs-src-old-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/cvs-src-old>
List-Post: <mailto:cvs-src-old@freebsd.org>
List-Help: <mailto:cvs-src-old-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/cvs-src-old>,
	<mailto:cvs-src-old-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 03 Mar 2009 17:28:33 -0000

rnoland     2009-03-02 19:00:41 UTC

  FreeBSD src repository

  Modified files:
    sys/dev/pci          pci.c pcireg.h 
  Log:
  SVN rev 189285 on 2009-03-02 19:00:41Z by rnoland
  
  Disable INTx when enabling MSI/MSIX
  
  This addresses interrupt storms that were noticed after enabling MSI
  in drm.  I think this is due to a loose interpretation of the PCI 2.3
  spec, which states that a function using MSI is prohibitted from using
  INTx.  It appears that some vendors interpretted that to mean that they
  should handle it in hardware, while others felt it was the drivers
  responsibility.
  
  This fix will also likely resolve interrupt storm related issues with
  devices other than drm.
  
  Reviewed by:    jhb@
  MFC after:      3 days
  
  Revision  Changes    Path
  1.370     +4 -0      src/sys/dev/pci/pci.c
  1.70      +1 -0      src/sys/dev/pci/pcireg.h