/proc/PID/syscall

[pandora-kernel.git] / kernel / sys.c

diff --git a/kernel/sys.c b/kernel/sys.c
index 14e9728..c018580 100644 (file)
--- 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:
@@ -1343,8 +1328,6 @@ EXPORT_SYMBOL(in_egroup_p);
 
 DECLARE_RWSEM(uts_sem);
 
-EXPORT_SYMBOL(uts_sem);
-
 asmlinkage long sys_newuname(struct new_utsname __user * name)
 {
        int errno = 0;
@@ -1795,7 +1778,7 @@ int orderly_poweroff(bool force)
                goto out;
        }
 
-       info = call_usermodehelper_setup(argv[0], argv, envp);
+       info = call_usermodehelper_setup(argv[0], argv, envp, GFP_ATOMIC);
        if (info == NULL) {
                argv_free(argv);
                goto out;