| Date | Tue, 16 May 2017 20:42:33 +0200 | From | Thomas Gleixner <> | Subject | [patch V2 02/17] arm: 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 ipi_cpu_stop() to handle the extra states.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Russell King <linux@armlinux.org.uk> Cc: linux-arm-kernel@lists.infradead.org --- arch/arm/kernel/smp.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
--- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -555,8 +555,7 @@ static DEFINE_RAW_SPINLOCK(stop_lock); */ static void ipi_cpu_stop(unsigned int cpu) { - if (system_state == SYSTEM_BOOTING || - system_state == SYSTEM_RUNNING) { + if (system_state <= SYSTEM_RUNNING) { raw_spin_lock(&stop_lock); pr_crit("CPU%u: stopping\n", cpu); dump_stack();
|