From 45589f477baba375e3a5caa39dea4526b0fe7cbf Mon Sep 17 00:00:00 2001
From: "Richard W.M. Jones" <rjones@redhat.com>
Date: Fri, 1 Apr 2016 12:28:18 +0100
Subject: [PATCH] launch: Add a comment about why acpi=off (because it's slow).

(cherry picked from commit 2cc8a4c1ff2bca9df39db3401ffefaf1b603954c)
---
 src/launch.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/launch.c b/src/launch.c
index 0eb7d18..98eca07 100644
--- a/src/launch.c
+++ b/src/launch.c
@@ -336,7 +336,7 @@ guestfs_int_appliance_command_line (guestfs_h *g, const char *appliance_dev,
      " udev.event-timeout=6000" /* for newer udevd */
      " no_timer_check"  /* fix for RHBZ#502058 */
      "%s"               /* lpj */
-     " acpi=off"        /* we don't need ACPI, turn it off */
+     " acpi=off"        /* ACPI is slow - 150-200ms extra on my laptop */
      " printk.time=1"   /* display timestamp before kernel messages */
      " cgroup_disable=memory"   /* saves us about 5 MB of RAM */
      "%s"                       /* root=appliance_dev */
-- 
1.8.3.1