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