From owner-svn-src-all@FreeBSD.ORG  Thu Sep 16 15:18:47 2010
Return-Path: <owner-svn-src-all@FreeBSD.ORG>
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 247D61065693;
	Thu, 16 Sep 2010 15:18:47 +0000 (UTC)
	(envelope-from fabient@FreeBSD.org)
Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c])
	by mx1.freebsd.org (Postfix) with ESMTP id 12F638FC12;
	Thu, 16 Sep 2010 15:18:47 +0000 (UTC)
Received: from svn.freebsd.org (localhost [127.0.0.1])
	by svn.freebsd.org (8.14.3/8.14.3) with ESMTP id o8GFIkS4095820;
	Thu, 16 Sep 2010 15:18:46 GMT (envelope-from fabient@svn.freebsd.org)
Received: (from fabient@localhost)
	by svn.freebsd.org (8.14.3/8.14.3/Submit) id o8GFIkSM095818;
	Thu, 16 Sep 2010 15:18:46 GMT (envelope-from fabient@svn.freebsd.org)
Message-Id: <201009161518.o8GFIkSM095818@svn.freebsd.org>
From: Fabien Thomas <fabient@FreeBSD.org>
Date: Thu, 16 Sep 2010 15:18:46 +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: r212741 - stable/7/sys/dev/hwpmc
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 \(except for &quot;
	user&quot; and &quot; projects&quot; \)" <svn-src-all.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-all>,
	<mailto:svn-src-all-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-all>
List-Post: <mailto:svn-src-all@freebsd.org>
List-Help: <mailto:svn-src-all-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-all>,
	<mailto:svn-src-all-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 16 Sep 2010 15:18:47 -0000

Author: fabient
Date: Thu Sep 16 15:18:46 2010
New Revision: 212741
URL: http://svn.freebsd.org/changeset/base/212741

Log:
  MFC r212224:
   Fix invalid class removal when IAF is not the last class.
   Keep IAF class with 0 PMC and change the alias in libpmc to IAP.

Modified:
  stable/7/sys/dev/hwpmc/hwpmc_core.c
Directory Properties:
  stable/7/sys/   (props changed)
  stable/7/sys/cddl/contrib/opensolaris/   (props changed)
  stable/7/sys/contrib/dev/acpica/   (props changed)
  stable/7/sys/contrib/pf/   (props changed)

Modified: stable/7/sys/dev/hwpmc/hwpmc_core.c
==============================================================================
--- stable/7/sys/dev/hwpmc/hwpmc_core.c	Thu Sep 16 15:15:34 2010	(r212740)
+++ stable/7/sys/dev/hwpmc/hwpmc_core.c	Thu Sep 16 15:18:46 2010	(r212741)
@@ -2234,21 +2234,8 @@ pmc_core_initialize(struct pmc_mdep *md,
 		core_iaf_npmc = cpuid[CORE_CPUID_EDX] & 0x1F;
 		core_iaf_width = (cpuid[CORE_CPUID_EDX] >> 5) & 0xFF;
 
-		if (core_iaf_npmc > 0) {
-			iaf_initialize(md, maxcpu, core_iaf_npmc,
-			    core_iaf_width);
-			core_pmcmask |= ((1ULL << core_iaf_npmc) - 1) <<
-			    IAF_OFFSET;
-		} else {
-			/*
-			 * Adjust the number of classes exported to
-			 * user space.
-			 */
-			md->pmd_nclass--;
-			KASSERT(md->pmd_nclass == 2,
-			    ("[core,%d] unexpected nclass %d", __LINE__,
-				md->pmd_nclass));
-		}
+		iaf_initialize(md, maxcpu, core_iaf_npmc, core_iaf_width);
+		core_pmcmask |= ((1ULL << core_iaf_npmc) - 1) << IAF_OFFSET;
 	}
 
 	PMCDBG(MDP,INI,1,"core-init pmcmask=0x%jx iafri=%d", core_pmcmask,