Messages in this thread Patch in this message | | | Date | Tue, 23 May 2017 01:48:49 -0700 | From | tip-bot for Thomas Gleixner <> | Subject | [tip:sched/core] arm64: Adjust system_state check |
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Commit-ID: ef284f5ca5f102bf855e599305c0c16d6e844635 Gitweb: http://git.kernel.org/tip/ef284f5ca5f102bf855e599305c0c16d6e844635 Author: Thomas Gleixner <tglx@linutronix.de> AuthorDate: Tue, 16 May 2017 20:42:34 +0200 Committer: Ingo Molnar <mingo@kernel.org> CommitDate: Tue, 23 May 2017 10:01:35 +0200
arm64: 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 smp_send_stop() to handle the extra states.
Tested-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Acked-by: Mark Rutland <mark.rutland@arm.com> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Will Deacon <will.deacon@arm.com> Link: http://lkml.kernel.org/r/20170516184735.112589728@linutronix.de Signed-off-by: Ingo Molnar <mingo@kernel.org> --- arch/arm64/kernel/smp.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c index 6e0e16a..3211198 100644 --- 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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