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-rw-r--r--kernel/kexec.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/kernel/kexec.c b/kernel/kexec.c
index d0d8fca5406..ac738781d35 100644
--- a/kernel/kexec.c
+++ b/kernel/kexec.c
@@ -932,6 +932,7 @@ static int kimage_load_segment(struct kimage *image,
*/
struct kimage *kexec_image;
struct kimage *kexec_crash_image;
+int kexec_load_disabled;
static DEFINE_MUTEX(kexec_mutex);
@@ -942,7 +943,7 @@ SYSCALL_DEFINE4(kexec_load, unsigned long, entry, unsigned long, nr_segments,
int result;
/* We only trust the superuser with rebooting the system. */
- if (!capable(CAP_SYS_BOOT))
+ if (!capable(CAP_SYS_BOOT) || kexec_load_disabled)
return -EPERM;
/*
@@ -1680,6 +1681,7 @@ int kernel_kexec(void)
{
kexec_in_progress = true;
kernel_restart_prepare(NULL);
+ migrate_to_reboot_cpu();
printk(KERN_EMERG "Starting new kernel\n");
machine_shutdown();
}