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| author | Thomas Gleixner <tglx@linutronix.de> | 2017-05-16 20:42:34 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-05-23 10:01:35 +0200 |
| commit | ef284f5ca5f102bf855e599305c0c16d6e844635 (patch) | |
| tree | 8e590e524851edac979750ec1913c7df6739c9e2 /arch/arm64 | |
| parent | 5976a66913a8bf42465d96776fd37fb5631edc19 (diff) | |
| download | linux-stable-ef284f5ca5f102bf855e599305c0c16d6e844635.tar.gz linux-stable-ef284f5ca5f102bf855e599305c0c16d6e844635.tar.bz2 linux-stable-ef284f5ca5f102bf855e599305c0c16d6e844635.zip | |
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>
Diffstat (limited to 'arch/arm64')
| -rw-r--r-- | arch/arm64/kernel/smp.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c index 6e0e16a3a7d4..321119881abf 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); } |