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From: Jason Gunthorpe <jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
To: Shiraz Saleem <shiraz.saleem-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Cc: "linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	"Nikolova,
	Tatyana E"
	<tatyana.e.nikolova-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Subject: Re: [PATCH rdma-core 06/14] i40iw: Get rid of unique barrier macros
Date: Tue, 7 Mar 2017 15:50:27 -0700	[thread overview]
Message-ID: <20170307225027.GA20858@obsidianresearch.com> (raw)
In-Reply-To: <20170307224622.GA45028-GOXS9JX10wfOxmVO0tvppfooFf0ArEBIu+b9c/7xato@public.gmane.org>

On Tue, Mar 07, 2017 at 04:46:22PM -0600, Shiraz Saleem wrote:

> Is __this__ C11 barrier a compiler barrier as well?

Yes, of course.

> #1 is preferred using atomic_thread_fence(memory_order_seq_cst) for all 
> archs. 

Okay..

I will send a patch to fix this then?

Jason
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  parent reply	other threads:[~2017-03-07 22:50 UTC|newest]

Thread overview: 65+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-02-16 19:22 [PATCH rdma-core 00/14] Revise the DMA barrier macros in ibverbs Jason Gunthorpe
     [not found] ` <1487272989-8215-1-git-send-email-jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2017-02-16 19:22   ` [PATCH rdma-core 01/14] mlx5: Use stdatomic for the in_use barrier Jason Gunthorpe
2017-02-16 19:22   ` [PATCH rdma-core 02/14] Provide new names for the CPU barriers related to DMA Jason Gunthorpe
     [not found]     ` <1487272989-8215-3-git-send-email-jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2017-02-16 22:07       ` Steve Wise
2017-02-17 16:37         ` Jason Gunthorpe
2017-02-16 19:22   ` [PATCH rdma-core 03/14] cxgb3: Update to use new udma write barriers Jason Gunthorpe
     [not found]     ` <1487272989-8215-4-git-send-email-jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2017-02-16 21:20       ` Steve Wise
2017-02-16 21:45         ` Jason Gunthorpe
     [not found]           ` <20170216214527.GA13616-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2017-02-16 22:01             ` Steve Wise
2017-02-16 19:22   ` [PATCH rdma-core 04/14] cxgb4: " Jason Gunthorpe
     [not found]     ` <1487272989-8215-5-git-send-email-jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2017-02-17 20:16       ` Steve Wise
2017-02-16 19:23   ` [PATCH rdma-core 05/14] hns: " Jason Gunthorpe
2017-02-16 19:23   ` [PATCH rdma-core 06/14] i40iw: Get rid of unique barrier macros Jason Gunthorpe
     [not found]     ` <1487272989-8215-7-git-send-email-jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2017-03-01 17:29       ` Shiraz Saleem
     [not found]         ` <20170301172920.GA11340-GOXS9JX10wfOxmVO0tvppfooFf0ArEBIu+b9c/7xato@public.gmane.org>
2017-03-01 17:55           ` Jason Gunthorpe
     [not found]             ` <20170301175521.GB14791-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2017-03-01 22:14               ` Shiraz Saleem
     [not found]                 ` <20170301221420.GA18548-GOXS9JX10wfOxmVO0tvppfooFf0ArEBIu+b9c/7xato@public.gmane.org>
2017-03-01 23:05                   ` Jason Gunthorpe
     [not found]                     ` <20170301230506.GB2820-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2017-03-03 21:45                       ` Shiraz Saleem
     [not found]                         ` <20170303214514.GA12996-GOXS9JX10wfOxmVO0tvppfooFf0ArEBIu+b9c/7xato@public.gmane.org>
2017-03-03 22:22                           ` Jason Gunthorpe
     [not found]                             ` <20170303222244.GA678-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2017-03-06 19:16                               ` Shiraz Saleem
     [not found]                                 ` <20170306191631.GB34252-GOXS9JX10wfOxmVO0tvppfooFf0ArEBIu+b9c/7xato@public.gmane.org>
2017-03-06 19:40                                   ` Jason Gunthorpe
     [not found]                                     ` <20170306194052.GB31672-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2017-03-07 22:46                                       ` Shiraz Saleem
     [not found]                                         ` <20170307224622.GA45028-GOXS9JX10wfOxmVO0tvppfooFf0ArEBIu+b9c/7xato@public.gmane.org>
2017-03-07 22:50                                           ` Jason Gunthorpe [this message]
     [not found]                                             ` <20170307225027.GA20858-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2017-03-07 23:01                                               ` Shiraz Saleem
     [not found]                                                 ` <20170307230121.GA52428-GOXS9JX10wfOxmVO0tvppfooFf0ArEBIu+b9c/7xato@public.gmane.org>
2017-03-07 23:11                                                   ` Jason Gunthorpe
     [not found]                                                     ` <20170307231145.GB20858-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2017-03-07 23:23                                                       ` Shiraz Saleem
2017-03-06 18:18       ` Shiraz Saleem
     [not found]         ` <20170306181808.GA34252-GOXS9JX10wfOxmVO0tvppfooFf0ArEBIu+b9c/7xato@public.gmane.org>
2017-03-06 19:07           ` Jason Gunthorpe
     [not found]             ` <20170306190751.GA30663-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2017-03-07 23:16               ` Shiraz Saleem
2017-02-16 19:23   ` [PATCH rdma-core 07/14] mlx4: Update to use new udma write barriers Jason Gunthorpe
     [not found]     ` <1487272989-8215-8-git-send-email-jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2017-02-20 17:46       ` Yishai Hadas
     [not found]         ` <206559e5-0488-f6d5-c4ec-bf560e0c3ba6-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2017-02-21 18:14           ` Jason Gunthorpe
     [not found]             ` <20170221181407.GA13138-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2017-03-06 14:57               ` Yishai Hadas
     [not found]                 ` <45d2b7da-9ad6-6b37-d0b2-00f7807966b4-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2017-03-06 17:31                   ` Jason Gunthorpe
     [not found]                     ` <20170306173139.GA11805-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2017-03-07 16:44                       ` Yishai Hadas
     [not found]                         ` <55bcc87e-b059-65df-8079-100120865ffb-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2017-03-07 19:18                           ` Jason Gunthorpe
     [not found]                             ` <20170307191824.GD2228-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2017-03-08 21:27                               ` Yishai Hadas
     [not found]                                 ` <6571cf34-63b9-7b83-ddb0-9279e7e20fa9-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2017-03-08 21:56                                   ` Jason Gunthorpe
     [not found]                                     ` <20170308215609.GB4109-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2017-03-09 15:42                                       ` Yishai Hadas
     [not found]                                         ` <4dcf0cea-3652-0df2-9d98-74e258e6170a-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2017-03-09 17:03                                           ` Jason Gunthorpe
     [not found]                                             ` <20170309170320.GA12694-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2017-03-13 15:17                                               ` Yishai Hadas
2017-02-16 19:23   ` [PATCH rdma-core 08/14] mlx5: " Jason Gunthorpe
     [not found]     ` <1487272989-8215-9-git-send-email-jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2017-02-27 10:56       ` Yishai Hadas
     [not found]         ` <d5921636-1911-5588-8c59-620066bca01a-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2017-02-27 18:00           ` Jason Gunthorpe
     [not found]             ` <20170227180009.GL5891-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2017-02-28 16:02               ` Yishai Hadas
     [not found]                 ` <2969cce4-8b51-8fcf-f099-2b42a6d40a9c-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2017-02-28 17:06                   ` Jason Gunthorpe
     [not found]                     ` <20170228170658.GA17995-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2017-03-02  9:34                       ` Yishai Hadas
     [not found]                         ` <24bf0e37-e032-0862-c5b9-b5a40fcfb343-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2017-03-02 17:12                           ` Jason Gunthorpe
     [not found]                             ` <20170302171210.GA8595-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2017-03-06 14:19                               ` Yishai Hadas
2017-02-16 19:23   ` [PATCH rdma-core 09/14] nes: " Jason Gunthorpe
2017-02-16 19:23   ` [PATCH rdma-core 10/14] mthca: Update to use new mmio " Jason Gunthorpe
2017-02-16 19:23   ` [PATCH rdma-core 11/14] ocrdma: Update to use new udma " Jason Gunthorpe
     [not found]     ` <1487272989-8215-12-git-send-email-jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2017-02-18 16:21       ` Devesh Sharma
2017-02-16 19:23   ` [PATCH rdma-core 12/14] qedr: " Jason Gunthorpe
     [not found]     ` <1487272989-8215-13-git-send-email-jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2017-02-23 13:49       ` Amrani, Ram
     [not found]         ` <SN1PR07MB2207DE206738E6DD8511CEA1F8530-mikhvbZlbf8TSoR2DauN2+FPX92sqiQdvxpqHgZTriW3zl9H0oFU5g@public.gmane.org>
2017-02-23 17:30           ` Jason Gunthorpe
     [not found]             ` <20170223173047.GC6688-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2017-02-24 10:01               ` Amrani, Ram
2017-02-16 19:23   ` [PATCH rdma-core 13/14] vmw_pvrdma: " Jason Gunthorpe
     [not found]     ` <1487272989-8215-14-git-send-email-jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2017-02-17 18:05       ` Adit Ranadive
2017-02-16 19:23   ` [PATCH rdma-core 14/14] Remove the old barrier macros Jason Gunthorpe
     [not found]     ` <1487272989-8215-15-git-send-email-jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2017-02-23 13:33       ` Amrani, Ram
     [not found]         ` <SN1PR07MB22070A48ACD50848267A5AD8F8530-mikhvbZlbf8TSoR2DauN2+FPX92sqiQdvxpqHgZTriW3zl9H0oFU5g@public.gmane.org>
2017-02-23 16:59           ` Jason Gunthorpe
2017-02-28 16:00   ` [PATCH rdma-core 00/14] Revise the DMA barrier macros in ibverbs Doug Ledford
     [not found]     ` <1488297611.86943.215.camel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2017-02-28 16:38       ` Majd Dibbiny
     [not found]         ` <C6384D48-FC47-4046-8025-462E1CB02A34-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2017-02-28 17:47           ` Doug Ledford

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