From owner-svn-src-all@FreeBSD.ORG  Sun Oct 17 14:25:55 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 89366106564A;
	Sun, 17 Oct 2010 14:25:55 +0000 (UTC)
	(envelope-from marius@FreeBSD.org)
Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c])
	by mx1.freebsd.org (Postfix) with ESMTP id 7676F8FC1C;
	Sun, 17 Oct 2010 14:25:55 +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 o9HEPt8Q034139;
	Sun, 17 Oct 2010 14:25:55 GMT (envelope-from marius@svn.freebsd.org)
Received: (from marius@localhost)
	by svn.freebsd.org (8.14.3/8.14.3/Submit) id o9HEPtRp034137;
	Sun, 17 Oct 2010 14:25:55 GMT (envelope-from marius@svn.freebsd.org)
Message-Id: <201010171425.o9HEPtRp034137@svn.freebsd.org>
From: Marius Strobl <marius@FreeBSD.org>
Date: Sun, 17 Oct 2010 14:25:55 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
	svn-src-stable@freebsd.org, svn-src-stable-8@freebsd.org
X-SVN-Group: stable-8
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Cc: 
Subject: svn commit: r213977 - stable/8/sys/sparc64/sparc64
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: Sun, 17 Oct 2010 14:25:55 -0000

Author: marius
Date: Sun Oct 17 14:25:55 2010
New Revision: 213977
URL: http://svn.freebsd.org/changeset/base/213977

Log:
  MFC: r213868
  
  - In the spirit of r212559 add a comment describing what will eventually
    lower the PIL.
  - Just as with the AP ensure that the (S)TICK timer(s) are in a known
    state when starting BSPs.

Modified:
  stable/8/sys/sparc64/sparc64/mp_machdep.c
Directory Properties:
  stable/8/sys/   (props changed)
  stable/8/sys/amd64/include/xen/   (props changed)
  stable/8/sys/cddl/contrib/opensolaris/   (props changed)
  stable/8/sys/contrib/dev/acpica/   (props changed)
  stable/8/sys/contrib/pf/   (props changed)
  stable/8/sys/dev/xen/xenpci/   (props changed)

Modified: stable/8/sys/sparc64/sparc64/mp_machdep.c
==============================================================================
--- stable/8/sys/sparc64/sparc64/mp_machdep.c	Sun Oct 17 14:25:01 2010	(r213976)
+++ stable/8/sys/sparc64/sparc64/mp_machdep.c	Sun Oct 17 14:25:55 2010	(r213977)
@@ -431,6 +431,12 @@ cpu_mp_bootstrap(struct pcpu *pc)
 	 */
 	cache_enable(pc->pc_impl);
 
+	/*
+	 * Clear (S)TICK timer(s) (including NPT) and ensure they are stopped.
+	 */
+	tick_clear(pc->pc_impl);
+	tick_stop(pc->pc_impl);
+
 	/* Lock the kernel TSB in the TLB. */
 	pmap_map_tsb();
 
@@ -443,7 +449,11 @@ cpu_mp_bootstrap(struct pcpu *pc)
 	/* Initialize global registers. */
 	cpu_setregs(pc);
 
-	/* Enable interrupts. */
+	/*
+	 * Enable interrupts.
+	 * Note that the PIL we be lowered indirectly via sched_throw(NULL)
+	 * when fake spinlock held by the idle thread eventually is released.
+	 */
 	wrpr(pstate, 0, PSTATE_KERNEL);
 
 	/* Start the (S)TICK interrupts. */