From: Thomas Gleixner <tglx@linutronix.de> To: LKML <linux-kernel@vger.kernel.org> Cc: Peter Zijlstra <peterz@infradead.org>, Ingo Molnar <mingo@kernel.org>, Steven Rostedt <rostedt@goodmis.org>, Mark Rutland <mark.rutland@arm.com>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will.deacon@arm.com>, linux-arm-kernel@lists.infradead.org Subject: [patch V2 03/17] arm64: Adjust system_state check Date: Tue, 16 May 2017 20:42:34 +0200 [thread overview] Message-ID: <20170516184735.112589728@linutronix.de> (raw) In-Reply-To: 20170516184231.564888231@linutronix.de [-- Attachment #1: arm64--Adjust-system_state-check.patch --] [-- Type: text/plain, Size: 939 bytes --] 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); }
WARNING: multiple messages have this Message-ID (diff)
From: tglx@linutronix.de (Thomas Gleixner) To: linux-arm-kernel@lists.infradead.org Subject: [patch V2 03/17] arm64: Adjust system_state check Date: Tue, 16 May 2017 20:42:34 +0200 [thread overview] Message-ID: <20170516184735.112589728@linutronix.de> (raw) In-Reply-To: 20170516184231.564888231@linutronix.de 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 at 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); }
next prev parent reply other threads:[~2017-05-16 18:57 UTC|newest] Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-05-16 18:42 [patch V2 00/17] init: Enable might_sleep() and smp_processor_id() debugging early Thomas Gleixner 2017-05-16 18:42 ` [patch V2 01/17] init: Pin init task to boot cpu initially Thomas Gleixner 2017-05-16 19:06 ` Steven Rostedt 2017-05-23 8:47 ` [tip:sched/core] init: Pin init task to the boot CPU, initially tip-bot for Thomas Gleixner 2017-05-16 18:42 ` [patch V2 02/17] arm: Adjust system_state check Thomas Gleixner 2017-05-16 18:42 ` Thomas Gleixner 2017-05-23 8:48 ` [tip:sched/core] " tip-bot for Thomas Gleixner 2017-05-16 18:42 ` Thomas Gleixner [this message] 2017-05-16 18:42 ` [patch V2 03/17] arm64: " Thomas Gleixner 2017-05-17 10:09 ` Mark Rutland 2017-05-17 10:09 ` Mark Rutland 2017-05-17 14:23 ` Catalin Marinas 2017-05-17 14:23 ` Catalin Marinas 2017-05-23 8:48 ` [tip:sched/core] " tip-bot for Thomas Gleixner 2017-05-16 18:42 ` [patch V2 04/17] x86/smp: " Thomas Gleixner 2017-05-23 8:49 ` [tip:sched/core] " tip-bot for Thomas Gleixner 2017-05-16 18:42 ` [patch V2 05/17] metag: " Thomas Gleixner 2017-05-23 8:50 ` [tip:sched/core] " tip-bot for Thomas Gleixner 2017-05-16 18:42 ` [patch V2 06/17] powerpc: " Thomas Gleixner 2017-05-16 18:42 ` Thomas Gleixner 2017-05-23 8:50 ` [tip:sched/core] " tip-bot for Thomas Gleixner 2017-05-16 18:42 ` [patch V2 07/17] ACPI: " Thomas Gleixner 2017-05-16 19:07 ` Steven Rostedt 2017-05-23 8:51 ` [tip:sched/core] " tip-bot for Thomas Gleixner 2017-05-16 18:42 ` [patch V2 08/17] mm: " Thomas Gleixner 2017-05-23 8:51 ` [tip:sched/core] " tip-bot for Thomas Gleixner 2017-05-16 18:42 ` [patch V2 09/17] cpufreq/pasemi: " Thomas Gleixner 2017-05-16 18:42 ` Thomas Gleixner 2017-05-23 8:52 ` [tip:sched/core] " tip-bot for Thomas Gleixner 2017-05-16 18:42 ` [patch V2 10/17] iommu/vt-d: Adjust system_state checks Thomas Gleixner 2017-05-16 18:42 ` Thomas Gleixner 2017-05-23 8:52 ` [tip:sched/core] " tip-bot for Thomas Gleixner 2017-05-16 18:42 ` [patch V2 11/17] iommu/of: Adjust system_state check Thomas Gleixner 2017-05-16 18:42 ` Thomas Gleixner 2017-05-23 8:53 ` [tip:sched/core] " tip-bot for Thomas Gleixner 2017-05-16 18:42 ` [patch V2 12/17] async: Adjust system_state checks Thomas Gleixner 2017-05-23 8:53 ` [tip:sched/core] " tip-bot for Thomas Gleixner 2017-05-16 18:42 ` [patch V2 13/17] extable: " Thomas Gleixner 2017-05-23 8:54 ` [tip:sched/core] " tip-bot for Thomas Gleixner 2017-05-16 18:42 ` [patch V2 14/17] printk: " Thomas Gleixner 2017-05-23 8:55 ` [tip:sched/core] " tip-bot for Thomas Gleixner 2017-05-16 18:42 ` [patch V2 15/17] mm/vmscan: " Thomas Gleixner 2017-05-16 18:42 ` Thomas Gleixner 2017-05-17 6:56 ` Vlastimil Babka 2017-05-17 6:56 ` Vlastimil Babka 2017-05-23 8:55 ` [tip:sched/core] " tip-bot for Thomas Gleixner 2017-05-16 18:42 ` [patch V2 16/17] init: Introduce SYSTEM_SCHEDULING state Thomas Gleixner 2017-05-17 10:58 ` Mark Rutland 2017-05-17 21:15 ` Boris Ostrovsky 2017-05-23 8:56 ` [tip:sched/core] " tip-bot for Thomas Gleixner 2017-05-16 18:42 ` [patch V2 17/17] sched: Enable might_sleep() and smp_processor_id() checks early Thomas Gleixner 2017-05-16 19:12 ` Steven Rostedt 2017-05-16 22:46 ` Thomas Gleixner 2017-05-16 22:50 ` Steven Rostedt 2017-05-17 11:02 ` Mark Rutland 2017-05-23 8:56 ` [tip:sched/core] sched/core: " tip-bot for Thomas Gleixner 2017-05-17 10:58 ` [patch V2 00/17] init: Enable might_sleep() and smp_processor_id() debugging early Mark Rutland
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