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Re: [PATCH] block-mq:Fix the null memory access while setting tags cpumask

From Jeff Moyer <jmoyer@redhat.com>
Newsgroups linux.kernel
Subject Re: [PATCH] block-mq:Fix the null memory access while setting tags cpumask
Date 2015-10-13 18:50 +0200
Message-ID <qjaVY-3T8-27@gated-at.bofh.it> (permalink)
References <qj0jU-5h4-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com> writes:

> In nr_hw_queues >1 cases when certain number of cpus are onlined/or
> offlined, that results change in request_queue map in block-mq layer,
> we see the kernel dumping like:

What version is that patch against?  This problem should be fixed by the
patch set from Akinobu Mita.  I tested cpu hot-plugging on my system
with an nvme device, and it is fixed there on mainline.

Cheers,
Jeff
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Thread

[PATCH] block-mq:Fix the null memory access while setting tags cpumask Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com> - 2015-10-13 07:30 +0200
  Re: [PATCH] block-mq:Fix the null memory access while setting tags cpumask Jeff Moyer <jmoyer@redhat.com> - 2015-10-13 18:50 +0200
    Re: [PATCH] block-mq:Fix the null memory access while setting tags  cpumask Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com> - 2015-10-13 19:30 +0200

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