Commit 7ed8df0d authored Nov 11, 2025 by Tejun Heo

sched_ext: Make handle_lockup() propagate scx_verror() result

handle_lockup() currently calls scx_verror() but ignores its return value,
always returning true when the scheduler is enabled. Make it capture and return
the result from scx_verror(). This prepares for hardlockup handling.

Cc: Dan Schatzberg <schatzberg.dan@gmail.com>
Cc: Emil Tsalapatis <etsal@meta.com>
Reviewed-by: Andrea Righi <arighi@nvidia.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

parent 4ba54a6c

kernel/sched/ext.c

+3 −2

Original line number	Diff line number	Diff line
		@@ -3659,6 +3659,7 @@ static __printf(1, 2) bool handle_lockup(const char *fmt, ...)
		{
		struct scx_sched *sch;
		va_list args;
		bool ret;

		guard(rcu)();

		@@ -3670,9 +3671,9 @@ static __printf(1, 2) bool handle_lockup(const char *fmt, ...)
		case SCX_ENABLING:
		case SCX_ENABLED:
		va_start(args, fmt);
		scx_verror(sch, fmt, args);
		ret = scx_verror(sch, fmt, args);
		va_end(args);
		return true;
		return ret;
		default:
		return false;
		}