From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from [140.186.70.92] (port=46728 helo=eggs.gnu.org)
	by lists.gnu.org with esmtp (Exim 4.43) id 1Q0c1k-0002L3-Qf
	for qemu-devel@nongnu.org; Fri, 18 Mar 2011 11:56:02 -0400
Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)
	(envelope-from <uobergfe@redhat.com>) id 1Q0c1f-0002Pp-Q8
	for qemu-devel@nongnu.org; Fri, 18 Mar 2011 11:55:44 -0400
Received: from mx3-phx2.redhat.com ([209.132.183.24]:55805)
	by eggs.gnu.org with esmtp (Exim 4.71)
	(envelope-from <uobergfe@redhat.com>) id 1Q0c1f-0002Pf-Em
	for qemu-devel@nongnu.org; Fri, 18 Mar 2011 11:55:43 -0400
Date: Fri, 18 Mar 2011 11:55:41 -0400 (EDT)
From: Ulrich Obergfell <uobergfe@redhat.com>
Message-ID: <946357411.421760.1300463741632.JavaMail.root@zmail07.collab.prod.int.phx2.redhat.com>
In-Reply-To: <1225303441.421235.1300462107604.JavaMail.root@zmail07.collab.prod.int.phx2.redhat.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 7bit
Subject: [Qemu-devel] [PATCH 3/3] alleviate time drift with HPET periodic
	timers
List-Id: qemu-devel.nongnu.org
List-Unsubscribe: <http://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>
List-Archive: <http://lists.nongnu.org/archive/html/qemu-devel>
List-Post: <mailto:qemu-devel@nongnu.org>
List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help>
List-Subscribe: <http://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=subscribe>
To: qemu-devel@nongnu.org
Cc: Jan Kiszka <jan.kiszka@siemens.com>, aliguori@us.ibm.com, kvm <kvm@vger.kernel.org>, gcosta@redhat.com


Part 3 of the patch implements the following options for the 'configure' script.

--disable-hpet-driftfix
--enable-hpet-driftfix

Signed-off-by: Ulrich Obergfell <uobergfe@redhat.com>


diff -up ./configure.orig3 ./configure
--- ./configure.orig3	2011-02-18 22:48:06.000000000 +0100
+++ ./configure	2011-03-13 12:43:44.870966181 +0100
@@ -140,6 +140,7 @@ linux_aio=""
 attr=""
 vhost_net=""
 xfs=""
+hpet_driftfix="no"
 
 gprof="no"
 debug_tcg="no"
@@ -749,6 +750,10 @@ for opt do
   ;;
   --enable-rbd) rbd="yes"
   ;;
+  --disable-hpet-driftfix) hpet_driftfix="no"
+  ;;
+  --enable-hpet-driftfix) hpet_driftfix="yes"
+  ;;
   *) echo "ERROR: unknown option $opt"; show_help="yes"
   ;;
   esac
@@ -2602,6 +2607,7 @@ echo "Trace output file $trace_file-<pid
 echo "spice support     $spice"
 echo "rbd support       $rbd"
 echo "xfsctl support    $xfs"
+echo "HPET drift fix    $hpet_driftfix"
 
 if test $sdl_too_old = "yes"; then
 echo "-> Your SDL version is too old - please upgrade to have SDL support"
@@ -2893,6 +2899,10 @@ if test "$rbd" = "yes" ; then
   echo "CONFIG_RBD=y" >> $config_host_mak
 fi
 
+if test "$hpet_driftfix" = "yes" ; then
+  echo "CONFIG_HPET_DRIFTFIX=y" >> $config_host_mak
+fi
+
 # USB host support
 case "$usb" in
 linux)