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authorIngo Molnar <mingo@elte.hu>2008-07-30 19:33:48 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-30 19:33:48 +0200
commit15dd859cacf312f606f54502d1f66537a1e5c78c (patch)
treee50e125eaa6da83fa715704e53c1bde013d1ef8e /kernel/sys.c
parentb2d9d33412b9d13a40cd314d93ab517950fc5950 (diff)
parent6e86841d05f371b5b9b86ce76c02aaee83352298 (diff)
Merge commit 'v2.6.27-rc1' into x86/core
Conflicts: include/asm-x86/dma-mapping.h include/asm-x86/namei.h include/asm-x86/uaccess.h Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/sys.c')
-rw-r--r--kernel/sys.c31
1 files changed, 8 insertions, 23 deletions
diff --git a/kernel/sys.c b/kernel/sys.c
index 0c9d3fa1f5ff..c01858090a98 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -301,26 +301,6 @@ void kernel_restart(char *cmd)
}
EXPORT_SYMBOL_GPL(kernel_restart);
-/**
- * kernel_kexec - reboot the system
- *
- * Move into place and start executing a preloaded standalone
- * executable. If nothing was preloaded return an error.
- */
-static void kernel_kexec(void)
-{
-#ifdef CONFIG_KEXEC
- struct kimage *image;
- image = xchg(&kexec_image, NULL);
- if (!image)
- return;
- kernel_restart_prepare(NULL);
- printk(KERN_EMERG "Starting new kernel\n");
- machine_shutdown();
- machine_kexec(image);
-#endif
-}
-
static void kernel_shutdown_prepare(enum system_states state)
{
blocking_notifier_call_chain(&reboot_notifier_list,
@@ -425,10 +405,15 @@ asmlinkage long sys_reboot(int magic1, int magic2, unsigned int cmd, void __user
kernel_restart(buffer);
break;
+#ifdef CONFIG_KEXEC
case LINUX_REBOOT_CMD_KEXEC:
- kernel_kexec();
- unlock_kernel();
- return -EINVAL;
+ {
+ int ret;
+ ret = kernel_kexec();
+ unlock_kernel();
+ return ret;
+ }
+#endif
#ifdef CONFIG_HIBERNATION
case LINUX_REBOOT_CMD_SW_SUSPEND: