Commit 5ec3ec14 authored Jun 20, 2017 by Channagoud Kadabi

kernel: cpu: send CPU_UP_CANCELLED notifcation



If any of the callbacks during cpu up fail undo_cpu_up calls the
teardown call backs to clean up things but does not send CPU_UP_CANCELLED.
As some drivers still use the notification mechanism for cpu houplug we
need to send CPU_UP_CANCELLED notification so drivers can clean up
things they did on cpu up.

Change-Id: Ia7fb79ff4d7919dc6dacd046c1ce250498371a63
Signed-off-by: Channagoud Kadabi <ckadabi@codeaurora.org>

parent e13b3810

kernel/cpu.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -494,6 +494,7 @@ static int cpuhp_up_callbacks(unsigned int cpu, struct cpuhp_cpu_state *st,
		if (ret) {
		st->target = prev_state;
		undo_cpu_up(cpu, st);
		cpu_notify(CPU_UP_CANCELED, cpu);
		break;
		}
		}