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Re: [PATCH v4 1/7] blk-mq: avoid setting hctx->tags->cpumask before allocation

From Christoph Hellwig <hch@lst.de>
Newsgroups linux.kernel
Subject Re: [PATCH v4 1/7] blk-mq: avoid setting hctx->tags->cpumask before allocation
Date 2015-09-26 20:20 +0200
Message-ID <qd2eJ-7JC-13@gated-at.bofh.it> (permalink)
References <qd18Z-6cT-11@gated-at.bofh.it> <qd1iG-6o9-11@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Looks good.  I actually just came up with exactly the same fix after
Keith told me to test hotplug for my nvme changes.

Reviewed-by: Christoph Hellwig <hch@lst.de>
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Thread

[PATCH v4 0/7] blk-mq: fix race conditions on cpu hotplug handling Akinobu Mita <akinobu.mita@gmail.com> - 2015-09-26 19:10 +0200
  [PATCH v4 4/7] blk-mq: fix q->mq_usage_counter access race Akinobu Mita <akinobu.mita@gmail.com> - 2015-09-26 19:20 +0200
  [PATCH v4 5/7] blk-mq: avoid inserting requests before establishing new mapping Akinobu Mita <akinobu.mita@gmail.com> - 2015-09-26 19:20 +0200
    Re: [PATCH v4 5/7] blk-mq: avoid inserting requests before  establishing new mapping Christoph Hellwig <hch@lst.de> - 2015-09-29 09:00 +0200
  [PATCH v4 2/7] blk-mq: fix sysfs registration/unregistration race Akinobu Mita <akinobu.mita@gmail.com> - 2015-09-26 19:20 +0200
  [PATCH v4 1/7] blk-mq: avoid setting hctx->tags->cpumask before allocation Akinobu Mita <akinobu.mita@gmail.com> - 2015-09-26 19:20 +0200
    Re: [PATCH v4 1/7] blk-mq: avoid setting hctx->tags->cpumask  before allocation Christoph Hellwig <hch@lst.de> - 2015-09-26 20:20 +0200
  [PATCH v4 7/7] blk-mq: fix deadlock when reading cpu_list Akinobu Mita <akinobu.mita@gmail.com> - 2015-09-26 19:20 +0200
  [PATCH v4 6/7] blk-mq: fix freeze queue race Akinobu Mita <akinobu.mita@gmail.com> - 2015-09-26 19:20 +0200
    Re: [PATCH v4 6/7] blk-mq: fix freeze queue race Tejun Heo <tj@kernel.org> - 2015-09-26 19:40 +0200
      Re: [PATCH v4 6/7] blk-mq: fix freeze queue race Akinobu Mita <akinobu.mita@gmail.com> - 2015-09-27 15:10 +0200
        Re: [PATCH v4 6/7] blk-mq: fix freeze queue race Tejun Heo <tj@kernel.org> - 2015-09-28 16:50 +0200
          Re: [PATCH v4 6/7] blk-mq: fix freeze queue race Christoph Hellwig <hch@lst.de> - 2015-09-29 09:00 +0200
          Re: [PATCH v4 6/7] blk-mq: fix freeze queue race Tejun Heo <tj@kernel.org> - 2015-09-29 17:10 +0200
            Re: [PATCH v4 6/7] blk-mq: fix freeze queue race Tejun Heo <tj@kernel.org> - 2015-09-30 00:00 +0200
              Re: [PATCH v4 6/7] blk-mq: fix freeze queue race Akinobu Mita <akinobu.mita@gmail.com> - 2015-09-30 12:40 +0200
          Re: [PATCH v4 6/7] blk-mq: fix freeze queue race Jens Axboe <axboe@kernel.dk> - 2015-09-29 17:10 +0200
  [PATCH v4 3/7] blk-mq: Fix use after of free q->mq_map Akinobu Mita <akinobu.mita@gmail.com> - 2015-09-26 19:20 +0200
    Re: [PATCH v4 3/7] blk-mq: Fix use after of free q->mq_map Christoph Hellwig <hch@lst.de> - 2015-09-29 09:00 +0200
  Re: [PATCH v4 0/7] blk-mq: fix race conditions on cpu hotplug  handling Jens Axboe <axboe@kernel.dk> - 2015-09-29 19:40 +0200

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