summaryrefslogtreecommitdiffstats
path: root/kernel/kexec.c
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/kexec.c')
-rw-r--r--kernel/kexec.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/kexec.c b/kernel/kexec.c
index 9c970167e402..ac738781d356 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;
/*
OpenPOWER on IntegriCloud