From: "Steve Wise" <swise@opengridcomputing.com>
To: "'Sagi Grimberg'" <sagi@grimberg.me>, "'Ming Lei'" <ming.lei@redhat.com>
Cc: linux-rdma@vger.kernel.org, linux-block@vger.kernel.org,
'Christoph Hellwig' <hch@lst.de>,
linux-nvme@lists.infradead.org,
'Max Gurtovoy' <maxg@mellanox.com>
Subject: RE: [PATCH v2] block: fix rdma queue mapping
Date: Sat, 25 Aug 2018 07:18:43 -0500 [thread overview]
Message-ID: <005801d43c6d$c4afbba0$4e0f32e0$@opengridcomputing.com> (raw)
In-Reply-To: <e82f994b-76ec-2a04-b575-acb4439e4d5b@grimberg.me>
> > I guess this way still can't fix the request allocation crash issue
> > triggered by using blk_mq_alloc_request_hctx(), in which one hw queue
> may
> > not be mapped from any online CPU.
>
> Not really. I guess we will need to simply skip queues that are
> mapped to an offline cpu.
>
> > Maybe this patch isn't for this issue, but it is closely related.
>
> Yes, another patch is still needed.
>
> Steve, do you still have that patch? I don't seem to
> find it anywhere.
I have no such patch. I don't remember this issue.
Steve.
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WARNING: multiple messages have this Message-ID (diff)
From: swise@opengridcomputing.com (Steve Wise)
Subject: [PATCH v2] block: fix rdma queue mapping
Date: Sat, 25 Aug 2018 07:18:43 -0500 [thread overview]
Message-ID: <005801d43c6d$c4afbba0$4e0f32e0$@opengridcomputing.com> (raw)
In-Reply-To: <e82f994b-76ec-2a04-b575-acb4439e4d5b@grimberg.me>
> > I guess this way still can't fix the request allocation crash issue
> > triggered by using blk_mq_alloc_request_hctx(), in which one hw queue
> may
> > not be mapped from any online CPU.
>
> Not really. I guess we will need to simply skip queues that are
> mapped to an offline cpu.
>
> > Maybe this patch isn't for this issue, but it is closely related.
>
> Yes, another patch is still needed.
>
> Steve, do you still have that patch? I don't seem to
> find it anywhere.
I have no such patch. I don't remember this issue.
Steve.
next prev parent reply other threads:[~2018-08-25 12:18 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-20 20:54 [PATCH v2] block: fix rdma queue mapping Sagi Grimberg
2018-08-20 20:54 ` Sagi Grimberg
2018-08-21 2:04 ` Ming Lei
2018-08-21 2:04 ` Ming Lei
2018-08-25 2:06 ` Sagi Grimberg
2018-08-25 2:06 ` Sagi Grimberg
2018-08-25 12:18 ` Steve Wise [this message]
2018-08-25 12:18 ` Steve Wise
2018-08-27 3:50 ` Ming Lei
2018-08-27 3:50 ` Ming Lei
2018-08-22 13:11 ` Christoph Hellwig
2018-08-22 13:11 ` Christoph Hellwig
2018-08-25 2:17 ` Sagi Grimberg
2018-08-25 2:17 ` Sagi Grimberg
2018-10-03 19:05 ` Steve Wise
2018-10-03 19:05 ` Steve Wise
2018-10-03 21:14 ` Sagi Grimberg
2018-10-03 21:14 ` Sagi Grimberg
2018-10-03 21:21 ` Steve Wise
2018-10-03 21:21 ` Steve Wise
2018-10-16 1:04 ` Sagi Grimberg
2018-10-16 1:04 ` Sagi Grimberg
2018-10-17 16:37 ` Christoph Hellwig
2018-10-17 16:37 ` Christoph Hellwig
2018-10-17 16:37 ` Christoph Hellwig
2018-10-17 16:37 ` Christoph Hellwig
2018-10-23 6:02 ` Sagi Grimberg
2018-10-23 6:02 ` Sagi Grimberg
2018-10-23 13:00 ` Steve Wise
2018-10-23 13:00 ` Steve Wise
2018-10-23 21:25 ` Sagi Grimberg
2018-10-23 21:25 ` Sagi Grimberg
2018-10-23 21:31 ` Steve Wise
2018-10-23 21:31 ` Steve Wise
2018-10-24 0:09 ` Shiraz Saleem
2018-10-24 0:09 ` Shiraz Saleem
2018-10-24 0:37 ` Sagi Grimberg
2018-10-24 0:37 ` Sagi Grimberg
2018-10-29 23:58 ` Saleem, Shiraz
2018-10-29 23:58 ` Saleem, Shiraz
2018-10-30 18:26 ` Sagi Grimberg
2018-10-30 18:26 ` Sagi Grimberg
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