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Diffstat (limited to 'kernel/exit.c')
-rw-r--r--kernel/exit.c16
1 files changed, 15 insertions, 1 deletions
diff --git a/kernel/exit.c b/kernel/exit.c
index 15dc2ec80c46..f2afdb0add7c 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -807,6 +807,8 @@ void __noreturn do_exit(long code)
struct task_struct *tsk = current;
int group_dead;
+ WARN_ON(irqs_disabled());
+
synchronize_group_exit(tsk, code);
WARN_ON(tsk->plug);
@@ -938,6 +940,11 @@ void __noreturn make_task_dead(int signr)
if (unlikely(!tsk->pid))
panic("Attempted to kill the idle task!");
+ if (unlikely(irqs_disabled())) {
+ pr_info("note: %s[%d] exited with irqs disabled\n",
+ current->comm, task_pid_nr(current));
+ local_irq_enable();
+ }
if (unlikely(in_atomic())) {
pr_info("note: %s[%d] exited with preempt_count %d\n",
current->comm, task_pid_nr(current),
@@ -1898,7 +1905,14 @@ bool thread_group_exited(struct pid *pid)
}
EXPORT_SYMBOL(thread_group_exited);
-__weak void abort(void)
+/*
+ * This needs to be __function_aligned as GCC implicitly makes any
+ * implementation of abort() cold and drops alignment specified by
+ * -falign-functions=N.
+ *
+ * See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88345#c11
+ */
+__weak __function_aligned void abort(void)
{
BUG();