Commit dcd2e473 authored May 16, 2017 by Thomas Gleixner Committed by Ingo Molnar May 23, 2017

metag: Adjust system_state check



To enable smp_processor_id() and might_sleep() debug checks earlier, it's
required to add system states between SYSTEM_BOOTING and SYSTEM_RUNNING.

Adjust the system_state check in stop_this_cpu() to handle the extra states.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: James Hogan <james.hogan@imgtec.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/20170516184735.283420315@linutronix.de


Signed-off-by: Ingo Molnar <mingo@kernel.org>

parent 719b3680

arch/metag/kernel/smp.c

+1 −2

Original line number	Diff line number	Diff line
		@@ -567,8 +567,7 @@ static void stop_this_cpu(void *data)
		{
		unsigned int cpu = smp_processor_id();

		if (system_state == SYSTEM_BOOTING \|\|
		system_state == SYSTEM_RUNNING) {
		if (system_state <= SYSTEM_RUNNING) {
		spin_lock(&stop_lock);
		pr_crit("CPU%u: stopping\n", cpu);
		dump_stack();

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