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Re: [PATCH for-4.8] irq/affinity: use get/put_online_cpus

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From Thomas Gleixner <tglx@linutronix.de>
Newsgroups linux.kernel
Subject Re: [PATCH for-4.8] irq/affinity: use get/put_online_cpus
Date Mon, 22 Aug 2016 11:10:01 +0200
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On Sun, 14 Aug 2016, Christoph Hellwig wrote:
> Any chance to get a quick review for this and get it off to Linus?
> Without this fix the function is unusable in 4.8+ on my test systems
> because we seem to always get a inconsistent view of the cpu online
> bitmap - something that didn't happen before this merge window oddly
> enough.

That only happens if you have concurrent cpu hotplug operations, but yes this
needs to be fixed anyway.

Thanks,

	tglx

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Thread

[PATCH for-4.8] irq/affinity: use get/put_online_cpus Christoph Hellwig <hch@lst.de> - 2016-08-11 16:10 +0200
  Re: [PATCH for-4.8] irq/affinity: use get/put_online_cpus Christoph Hellwig <hch@infradead.org> - 2016-08-14 18:10 +0200
    Re: [PATCH for-4.8] irq/affinity: use get/put_online_cpus Thomas Gleixner <tglx@linutronix.de> - 2016-08-22 11:10 +0200
  [tip:irq/urgent] genirq/affinity: Use get/put_online_cpus around  cpumask operations tip-bot for Christoph Hellwig <tipbot@zytor.com> - 2016-08-22 11:30 +0200

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