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Diffstat (limited to 'arch/um/kernel/reboot.c')
-rw-r--r--arch/um/kernel/reboot.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/arch/um/kernel/reboot.c b/arch/um/kernel/reboot.c
index 4d93dff6b371..3d15243ce692 100644
--- a/arch/um/kernel/reboot.c
+++ b/arch/um/kernel/reboot.c
@@ -4,7 +4,9 @@
*/
#include "linux/sched.h"
+#include "linux/spinlock.h"
#include "linux/slab.h"
+#include "linux/oom.h"
#include "kern_util.h"
#include "os.h"
#include "skas.h"
@@ -22,13 +24,18 @@ static void kill_off_processes(void)
struct task_struct *p;
int pid;
+ read_lock(&tasklist_lock);
for_each_process(p) {
- if (p->mm == NULL)
- continue;
+ struct task_struct *t;
- pid = p->mm->context.id.u.pid;
+ t = find_lock_task_mm(p);
+ if (!t)
+ continue;
+ pid = t->mm->context.id.u.pid;
+ task_unlock(t);
os_kill_ptraced_process(pid, 1);
}
+ read_unlock(&tasklist_lock);
}
}