[arch-projects] [initscripts][PATCH 3/4] check for a loaded kernel on reboot
Dave Reisner
dreisner at archlinux.org
Fri Jun 8 10:58:48 EDT 2012
Explicitly pass "kexec" to the shutdown script if we detect a preloaded
kernel already in memory. We mask read errors for custom kernels where
kexec is not available.
Signed-off-by: Dave Reisner <dreisner at archlinux.org>
---
rc.shutdown | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/rc.shutdown b/rc.shutdown
index d0d8405..78f56c4 100755
--- a/rc.shutdown
+++ b/rc.shutdown
@@ -82,7 +82,12 @@ if [[ -x /run/initramfs/shutdown ]]; then
if [[ $RUNLEVEL = 0 ]]; then
action="poweroff"
else
- action="reboot"
+ { read kexec_loaded </sys/kernel/kexec_loaded; } 2>/dev/null
+ if (( kexec_loaded )); then
+ action="kexec"
+ else
+ action="reboot"
+ fi
fi
# make /run/initrafs a mount
--
1.7.10.4
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