Move if (kexec_image->preserve_context) { ... } into #ifdef
CONFIG_KEXEC_JUMP to make code looks cleaner.
Fix no longer correct comments of kernel_kexec().
Signed-off-by: Huang Ying <[EMAIL PROTECTED]>
Acked-by: Vivek Goyal <[EMAIL PROTECTED]>
---
kernel/kexec.c | 17 ++++++++---------
1 file changed, 8 insertions(+), 9 deletions(-)
--- a/kernel/kexec.c
+++ b/kernel/kexec.c
@@ -1426,11 +1426,9 @@ static int __init crash_save_vmcoreinfo_
module_init(crash_save_vmcoreinfo_init)
-/**
- * kernel_kexec - reboot the system
- *
- * Move into place and start executing a preloaded standalone
- * executable. If nothing was preloaded return an error.
+/*
+ * Move into place and start executing a preloaded standalone
+ * executable. If nothing was preloaded return an error.
*/
int kernel_kexec(void)
{
@@ -1443,8 +1441,8 @@ int kernel_kexec(void)
goto Unlock;
}
- if (kexec_image->preserve_context) {
#ifdef CONFIG_KEXEC_JUMP
+ if (kexec_image->preserve_context) {
mutex_lock(&pm_mutex);
pm_prepare_console();
error = freeze_processes();
@@ -1471,8 +1469,9 @@ int kernel_kexec(void)
if (error)
goto Enable_irqs;
save_processor_state();
+ } else
#endif
- } else {
+ {
blocking_notifier_call_chain(&reboot_notifier_list,
SYS_RESTART, NULL);
system_state = SYSTEM_RESTART;
@@ -1484,8 +1483,8 @@ int kernel_kexec(void)
machine_kexec(kexec_image);
- if (kexec_image->preserve_context) {
#ifdef CONFIG_KEXEC_JUMP
+ if (kexec_image->preserve_context) {
restore_processor_state();
device_power_up(PMSG_RESTORE);
Enable_irqs:
@@ -1499,8 +1498,8 @@ int kernel_kexec(void)
Restore_console:
pm_restore_console();
mutex_unlock(&pm_mutex);
-#endif
}
+#endif
Unlock:
xchg(&kexec_lock, 0);
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