svn commit: r303558 - stable/11/release/tools

[Colin Percival]

Author: cperciva
Date: Sat Jul 30 20:02:08 2016
New Revision: 303558
URL: https://svnweb.freebsd.org/changeset/base/303558

Log:
  MFC r302929: Now that potentially buggy versions of Xen are automatically
  detected (see r302635, MFCed as r302895), there is no need to force msix
  interrupt migration off via loader.conf.
  
  Reverts:	r302184
  Approved by:	re (gjb)

Modified:
  stable/11/release/tools/ec2.conf
Directory Properties:
  stable/11/   (props changed)

Modified: stable/11/release/tools/ec2.conf
==============================================================================
--- stable/11/release/tools/ec2.conf	Sat Jul 30 19:03:32 2016	(r303557)
+++ stable/11/release/tools/ec2.conf	Sat Jul 30 20:02:08 2016	(r303558)
@@ -72,12 +72,6 @@ vm_extra_pre_umount() {
 	# nodes, but apply the workaround just in case.
 	echo 'hw.broken_txfifo="1"' >> ${DESTDIR}/boot/loader.conf
 
-	# Some EC2 instances run on a version of Xen which has a bug relating
-	# to the migration of MSI-X interrupts; this is visible as SR-IOV
-	# networking (aka. "EC2 Enhanced Networking") not being able to pass
-	# packets.  Disable MSI-X interrupt migration to work around this bug.
-	echo 'machdep.disable_msix_migration="1"' >> ${DESTDIR}/boot/loader.conf
-
 	# The first time the AMI boots, the installed "first boot" scripts
 	# should be allowed to run:
 	# * ec2_configinit (download and process EC2 user-data)