Commit 855bfe0d authored by Nicholas Piggin's avatar Nicholas Piggin Committed by Michael Ellerman

powerpc: hard disable irqs in smp_send_stop loop

The hard lockup watchdog can fire under local_irq_disable
on platforms with irq soft masking.
Signed-off-by: default avatarNicholas Piggin <npiggin@gmail.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
parent 6bed3237
......@@ -574,9 +574,10 @@ static void stop_this_cpu(void *dummy)
/* Remove this CPU */
set_cpu_online(smp_processor_id(), false);
local_irq_disable();
hard_irq_disable();
spin_begin();
while (1)
;
spin_cpu_relax();
}
void smp_send_stop(void)
......
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