From: Bart Van Assche <bart.vanassche@sandisk.com>
To: Christoph Hellwig <hch@lst.de>
Cc: "dledford@redhat.com" <dledford@redhat.com>,
"swise@opengridcomputing.com" <swise@opengridcomputing.com>,
"sagi@grimberg.me" <sagi@grimberg.me>,
"linux-rdma@vger.kernel.org" <linux-rdma@vger.kernel.org>,
"target-devel@vger.kernel.org" <target-devel@vger.kernel.org>
Subject: Re: generic RDMA READ/WRITE API V6
Date: Tue, 3 May 2016 09:10:11 -0700 [thread overview]
Message-ID: <5728CD63.2090100@sandisk.com> (raw)
In-Reply-To: <20160503084013.GA18906@lst.de>
On 05/03/2016 01:40 AM, Christoph Hellwig wrote:
> This should still be the case - the max_active argument to alloc_workqueue
> just specified the amount of work_structs that may be executed on the
> workqueue concurrently, but each individual work_struct can only be
> executed once at a time. See the following paragraph in
> Documentation/workqueue.txt:
>
> "Note that the flag WQ_NON_REENTRANT no longer exists as all workqueues
> are now non-reentrant - any work item is guaranteed to be executed by
> at most one worker system-wide at any given time."
Thanks for the feedback. I had overlooked the
find_worker_executing_work() call in __queue_work() in
kernel/workqueue.c when I reviewed that code yesterday.
Bart.
next prev parent reply other threads:[~2016-05-03 16:10 UTC|newest]
Thread overview: 65+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-11 21:32 generic RDMA READ/WRITE API V6 Christoph Hellwig
2016-04-11 21:32 ` [PATCH 02/12] IB/cma: pass the port number to ib_create_qp Christoph Hellwig
[not found] ` <1460410360-13104-3-git-send-email-hch-jcswGhMUV9g@public.gmane.org>
2016-04-15 17:55 ` Sagi Grimberg
2016-04-19 3:14 ` Ira Weiny
2016-04-19 17:30 ` Jason Gunthorpe
2016-04-19 18:38 ` Christoph Hellwig
[not found] ` <20160419183830.GB1211-jcswGhMUV9g@public.gmane.org>
2016-04-28 21:05 ` Doug Ledford
[not found] ` <20160419173032.GD20844-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-04-19 18:49 ` Sagi Grimberg
2016-04-19 19:24 ` Jason Gunthorpe
[not found] ` <20160419192430.GB27028-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-04-19 19:41 ` Steve Wise
2016-04-19 20:05 ` 'Christoph Hellwig'
2016-04-19 20:21 ` Jason Gunthorpe
[not found] ` <20160419200555.GA2561-jcswGhMUV9g@public.gmane.org>
2016-04-19 20:26 ` Steve Wise
2016-04-21 3:11 ` ira.weiny
2016-04-28 19:43 ` Hefty, Sean
2016-04-28 20:07 ` Jason Gunthorpe
2016-04-28 21:53 ` Hefty, Sean
2016-04-28 22:09 ` Jason Gunthorpe
2016-04-28 23:23 ` Hefty, Sean
2016-04-28 23:49 ` Jason Gunthorpe
2016-04-28 23:25 ` Weiny, Ira
[not found] ` <2807E5FD2F6FDA4886F6618EAC48510E22EC858F-8k97q/ur5Z2krb+BlOpmy7fspsVTdybXVpNB7YpNyf8@public.gmane.org>
2016-04-29 0:01 ` Jason Gunthorpe
2016-04-11 21:32 ` [PATCH 03/12] IB/core: allow passing mapping an offset into the SG in ib_map_mr_sg Christoph Hellwig
[not found] ` <1460410360-13104-4-git-send-email-hch-jcswGhMUV9g@public.gmane.org>
2016-04-15 17:56 ` Sagi Grimberg
2016-04-11 21:32 ` [PATCH 04/12] IB/core: add a helper to check for READ WITH INVALIDATE support Christoph Hellwig
[not found] ` <1460410360-13104-5-git-send-email-hch-jcswGhMUV9g@public.gmane.org>
2016-04-15 17:56 ` Sagi Grimberg
2016-04-19 3:15 ` Ira Weiny
2016-04-11 21:32 ` [PATCH 05/12] IB/core: refactor ib_create_qp Christoph Hellwig
2016-04-17 20:00 ` Sagi Grimberg
[not found] ` <1460410360-13104-6-git-send-email-hch-jcswGhMUV9g@public.gmane.org>
2016-04-19 3:08 ` Ira Weiny
[not found] ` <1460410360-13104-1-git-send-email-hch-jcswGhMUV9g@public.gmane.org>
2016-04-11 21:32 ` [PATCH 01/12] IB/mlx5: Expose correct max_sge_rd limit Christoph Hellwig
[not found] ` <1460410360-13104-2-git-send-email-hch-jcswGhMUV9g@public.gmane.org>
2016-04-17 13:53 ` Leon Romanovsky
[not found] ` <20160417135341.GC6349-2ukJVAZIZ/Y@public.gmane.org>
2016-04-17 18:06 ` Christoph Hellwig
2016-04-11 21:32 ` [PATCH 06/12] IB/core: add a simple MR pool Christoph Hellwig
2016-04-17 20:01 ` Sagi Grimberg
2016-04-19 3:19 ` Ira Weiny
2016-04-11 21:32 ` [PATCH 09/12] target: enhance and export target_alloc_sgl/target_free_sgl Christoph Hellwig
2016-04-11 21:32 ` [PATCH 07/12] IB/core: add a need_inval flag to struct ib_mr Christoph Hellwig
[not found] ` <1460410360-13104-8-git-send-email-hch-jcswGhMUV9g@public.gmane.org>
2016-04-17 20:01 ` Sagi Grimberg
2016-04-19 3:20 ` Ira Weiny
2016-04-11 21:32 ` [PATCH 08/12] IB/core: generic RDMA READ/WRITE API Christoph Hellwig
[not found] ` <1460410360-13104-9-git-send-email-hch-jcswGhMUV9g@public.gmane.org>
2016-04-12 23:52 ` Bart Van Assche
[not found] ` <570D8A42.9040107-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2016-04-13 13:50 ` Christoph Hellwig
2016-04-11 21:32 ` [PATCH 10/12] IB/srpt: convert to the " Christoph Hellwig
2016-04-13 18:57 ` Bart Van Assche
2016-04-14 13:32 ` Christoph Hellwig
2016-04-28 21:02 ` Doug Ledford
[not found] ` <57227A6D.4000802-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-04-29 6:34 ` Christoph Hellwig
[not found] ` <20160429063443.GA18893-jcswGhMUV9g@public.gmane.org>
2016-04-29 14:44 ` Doug Ledford
2016-04-11 21:32 ` [PATCH 11/12] IB/core: add RW API support for signature MRs Christoph Hellwig
[not found] ` <1460410360-13104-12-git-send-email-hch-jcswGhMUV9g@public.gmane.org>
2016-04-22 21:53 ` Bart Van Assche
2016-04-11 21:32 ` [PATCH 12/12] IB/isert: convert to the generic RDMA READ/WRITE API Christoph Hellwig
[not found] ` <1460410360-13104-13-git-send-email-hch-jcswGhMUV9g@public.gmane.org>
2016-04-28 21:04 ` Doug Ledford
2016-04-29 11:46 ` Sagi Grimberg
[not found] ` <572349AA.2070407-NQWnxTmZq1alnMjI0IkVqw@public.gmane.org>
2016-04-29 14:45 ` Doug Ledford
[not found] ` <e7959da7-79ca-0422-fbc9-9b3814516e1b-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-04-29 16:42 ` Leon Romanovsky
2016-04-12 18:31 ` generic RDMA READ/WRITE API V6 Steve Wise
2016-04-22 22:29 ` Bart Van Assche
[not found] ` <571AA5C8.4080502-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2016-05-02 15:15 ` Christoph Hellwig
[not found] ` <20160502151535.GA520-jcswGhMUV9g@public.gmane.org>
2016-05-02 19:08 ` Bart Van Assche
2016-05-02 22:14 ` Bart Van Assche
2016-05-03 8:40 ` Christoph Hellwig
2016-05-03 16:10 ` Bart Van Assche [this message]
[not found] ` <5727A5C7.1090009-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2016-05-03 14:31 ` Christoph Hellwig
[not found] ` <20160503143104.GA30342-jcswGhMUV9g@public.gmane.org>
2016-05-03 21:23 ` Bart Van Assche
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