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Groups > linux.kernel > #1642763
| From | Thomas Gleixner <tglx@linutronix.de> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [patch V2 03/17] arm64: Adjust system_state check |
| Date | 2017-05-16 21:00 +0200 |
| Message-ID | <tHPRp-M2-63@gated-at.bofh.it> (permalink) |
| References | <tHPRn-M2-5@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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 smp_send_stop() to handle the extra states.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
---
arch/arm64/kernel/smp.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
--- a/arch/arm64/kernel/smp.c
+++ b/arch/arm64/kernel/smp.c
@@ -961,8 +961,7 @@ void smp_send_stop(void)
cpumask_copy(&mask, cpu_online_mask);
cpumask_clear_cpu(smp_processor_id(), &mask);
- if (system_state == SYSTEM_BOOTING ||
- system_state == SYSTEM_RUNNING)
+ if (system_state <= SYSTEM_RUNNING)
pr_crit("SMP: stopping secondary CPUs\n");
smp_cross_call(&mask, IPI_CPU_STOP);
}
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[patch V2 00/17] init: Enable might_sleep() and smp_processor_id() debugging early Thomas Gleixner <tglx@linutronix.de> - 2017-05-16 21:00 +0200
[patch V2 06/17] powerpc: Adjust system_state check Thomas Gleixner <tglx@linutronix.de> - 2017-05-16 21:00 +0200
[tip:sched/core] powerpc: Adjust system_state check tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-05-23 11:10 +0200
[patch V2 03/17] arm64: Adjust system_state check Thomas Gleixner <tglx@linutronix.de> - 2017-05-16 21:00 +0200
Re: [patch V2 03/17] arm64: Adjust system_state check Mark Rutland <mark.rutland@arm.com> - 2017-05-17 12:20 +0200
Re: [patch V2 03/17] arm64: Adjust system_state check Catalin Marinas <catalin.marinas@arm.com> - 2017-05-17 16:30 +0200
[tip:sched/core] arm64: Adjust system_state check tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-05-23 11:00 +0200
Re: [patch V2 00/17] init: Enable might_sleep() and smp_processor_id() debugging early Mark Rutland <mark.rutland@arm.com> - 2017-05-17 13:00 +0200
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