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authorHuang Ying <ying.huang@intel.com>2008-08-15 00:40:24 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-08-15 08:35:42 -0700
commitca195b7f6da3d5dde0bb85a7c322d7de73352653 (patch)
tree1f8a31634ddc2bd4ba8a5fc081b39babab62323b
parentfb45daa69d287b394eca1619b3fadff7c0215c71 (diff)
kexec jump: remove duplication of kexec_restart_prepare()
Call kernel_restart_prepare() in kernel_kexec() instead of duplicating the code. Signed-off-by: Huang Ying <ying.huang@intel.com> Acked-by: Pavel Machek <pavel@suse.cz> Acked-by: Vivek Goyal <vgoyal@redhat.com> Cc: Pavel Machek <pavel@ucw.cz> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Vivek Goyal <vgoyal@redhat.com> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--include/linux/reboot.h1
-rw-r--r--kernel/kexec.c6
-rw-r--r--kernel/sys.c2
3 files changed, 3 insertions, 6 deletions
diff --git a/include/linux/reboot.h b/include/linux/reboot.h
index b93b541cf11..988e55fe649 100644
--- a/include/linux/reboot.h
+++ b/include/linux/reboot.h
@@ -59,6 +59,7 @@ extern void machine_crash_shutdown(struct pt_regs *);
* Architecture independent implemenations of sys_reboot commands.
*/
+extern void kernel_restart_prepare(char *cmd);
extern void kernel_restart(char *cmd);
extern void kernel_halt(void);
extern void kernel_power_off(void);
diff --git a/kernel/kexec.c b/kernel/kexec.c
index 2810558802b..b81682312dc 100644
--- a/kernel/kexec.c
+++ b/kernel/kexec.c
@@ -1472,11 +1472,7 @@ int kernel_kexec(void)
} else
#endif
{
- blocking_notifier_call_chain(&reboot_notifier_list,
- SYS_RESTART, NULL);
- system_state = SYSTEM_RESTART;
- device_shutdown();
- sysdev_shutdown();
+ kernel_restart_prepare(NULL);
printk(KERN_EMERG "Starting new kernel\n");
machine_shutdown();
}
diff --git a/kernel/sys.c b/kernel/sys.c
index c01858090a9..3dacb00a7f7 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -274,7 +274,7 @@ void emergency_restart(void)
}
EXPORT_SYMBOL_GPL(emergency_restart);
-static void kernel_restart_prepare(char *cmd)
+void kernel_restart_prepare(char *cmd)
{
blocking_notifier_call_chain(&reboot_notifier_list, SYS_RESTART, cmd);
system_state = SYSTEM_RESTART;