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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>
This commit is contained in:
Thomas Gleixner 2017-05-16 20:42:36 +02:00 committed by Ingo Molnar
parent 719b3680d1
commit dcd2e4734b
1 changed files with 1 additions and 2 deletions
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3
arch/metag/kernel/smp.c
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@ -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();