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From: Jon Mason <jdmason@kudzu.us>
To: Logan Gunthorpe <logang@deltatee.com>
Cc: linux-ntb@googlegroups.com, linux-pci@vger.kernel.org,
	linux-kernel@vger.kernel.org, Dave Jiang <dave.jiang@intel.com>,
	Allen Hubbe <Allen.Hubbe@emc.com>,
	Bjorn Helgaas <bhelgaas@google.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Kurt Schwemmer <kurt.schwemmer@microsemi.com>,
	Stephen Bates <sbates@raithlin.com>,
	Serge Semin <fancer.lancer@gmail.com>
Subject: Re: [PATCH v3 05/16] ntb: ntb_test: ensure the link is up before trying to configure the mws
Date: Tue, 1 Aug 2017 14:16:20 -0400	[thread overview]
Message-ID: <20170801181620.GF4186@kudzu.us> (raw)
In-Reply-To: <46065aa6-0fe8-59d5-63dc-3beb66b69154@deltatee.com>

On Tue, Aug 01, 2017 at 12:09:18PM -0600, Logan Gunthorpe wrote:
> 
> On 01/08/17 12:07 PM, Jon Mason wrote:
> > On Tue, Jul 25, 2017 at 02:57:42PM -0600, Logan Gunthorpe wrote:
> >> After the link tests, there is a race on one side of the test for
> >> the link coming up. It's possible, in some cases, for the test script
> >> to write to the 'peer_trans' files before the link has come up.
> >>
> >> To fix this, we simply use the link event file to ensure both sides
> >> see the link as up before continuning.
> >>
> >> Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
> > 
> > This looks like a bug fix.  Assuming this is the case, I can pull it
> > out, add a "Fixes" line, and add it to my bug fixes branch.  Is this
> > the case?
> 
> Sure, yup, if you'd like to do that I'm fine with it. Technically, I
> don't think the bug can be triggered until the patches later in the
> series are applied.

Given how trivial it is, I think closing the loop here on this would
be a good thing (and one less patch for your v4).

> 
> Thanks,
> 
> Logan
> 
> -- 
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  reply	other threads:[~2017-08-01 18:16 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-07-25 20:57 [PATCH v3 00/16] Switchtec NTB Support Logan Gunthorpe
2017-07-25 20:57 ` [PATCH v3 01/16] switchtec: move structure definitions into a common header Logan Gunthorpe
2017-07-31 20:15   ` Bjorn Helgaas
2017-07-31 20:51     ` Logan Gunthorpe
2017-07-31 22:50       ` Bjorn Helgaas
2017-07-25 20:57 ` [PATCH v3 02/16] switchtec: export class symbol for use in upper layer driver Logan Gunthorpe
2017-07-25 20:57 ` [PATCH v3 03/16] switchtec: add NTB hardware register definitions Logan Gunthorpe
2017-07-25 20:57 ` [PATCH v3 04/16] switchtec: add link event notifier callback Logan Gunthorpe
2017-07-25 20:57 ` [PATCH v3 05/16] ntb: ntb_test: ensure the link is up before trying to configure the mws Logan Gunthorpe
2017-08-01 18:07   ` Jon Mason
2017-08-01 18:09     ` Logan Gunthorpe
2017-08-01 18:16       ` Jon Mason [this message]
2017-08-01 18:19         ` Logan Gunthorpe
2017-07-25 20:57 ` [PATCH v3 06/16] ntb: ensure ntb_mw_get_align() is only called when the link is up Logan Gunthorpe
2017-07-31 20:16   ` Bjorn Helgaas
2017-08-01 18:14   ` Jon Mason
2017-08-01 18:17     ` Logan Gunthorpe
2017-08-01 18:28       ` Jon Mason
2017-07-25 20:57 ` [PATCH v3 07/16] ntb: add check and comment for link up to mw_count() and mw_get_align() Logan Gunthorpe
2017-08-01 18:11   ` Jon Mason
2017-07-25 20:57 ` [PATCH v3 08/16] switchtec_ntb: introduce initial NTB driver Logan Gunthorpe
2017-07-31 23:08   ` Dave Jiang
2017-07-25 20:57 ` [PATCH v3 09/16] switchtec_ntb: initialize hardware for memory windows Logan Gunthorpe
2017-07-31 20:25   ` Bjorn Helgaas
2017-08-01 18:55   ` Jon Mason
2017-07-25 20:57 ` [PATCH v3 10/16] switchtec_ntb: initialize hardware for doorbells and messages Logan Gunthorpe
2017-07-31 20:26   ` Bjorn Helgaas
2017-07-25 20:57 ` [PATCH v3 11/16] switchtec_ntb: add skeleton NTB driver Logan Gunthorpe
2017-07-25 20:57 ` [PATCH v3 12/16] switchtec_ntb: add link management Logan Gunthorpe
2017-07-31 20:27   ` Bjorn Helgaas
2017-07-25 20:57 ` [PATCH v3 13/16] switchtec_ntb: implement doorbell registers Logan Gunthorpe
2017-08-01 18:59   ` Jon Mason
2017-07-25 20:57 ` [PATCH v3 14/16] switchtec_ntb: implement scratchpad registers Logan Gunthorpe
2017-08-01 19:10   ` Jon Mason
2017-08-01 22:26     ` Logan Gunthorpe
2017-08-02 13:06       ` Allen Hubbe
2017-08-02 16:32         ` Jon Mason
2017-08-02 17:02           ` Logan Gunthorpe
2017-07-25 20:57 ` [PATCH v3 15/16] switchtec_ntb: add memory window support Logan Gunthorpe
2017-07-25 20:57 ` [PATCH v3 16/16] switchtec_ntb: update switchtec documentation with notes for NTB Logan Gunthorpe
2017-07-26 13:09 ` [PATCH v3 00/16] Switchtec NTB Support Allen Hubbe

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