linux-kernel - Re: [ 026/171 ] sfc: Only use TX push if a single descriptor is to be written

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Message-ID: <1365815526.9609.101.camel@gandalf.local.home>
Date:	Fri, 12 Apr 2013 21:12:06 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Ben Hutchings <bhutchings@...arflare.com>
Cc:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Subject: Re: [ 026/171 ] sfc: Only use TX push if a single descriptor is to
 be written

On Fri, 2013-04-12 at 23:05 +0100, Ben Hutchings wrote:
> On Thu, 2013-04-11 at 22:15 +0100, Ben Hutchings wrote:
> > Aside from #21-26 in this series, and the deadlock fix required on top
> > of #24, there are several more fixes for sfc that I think are suitable
> > for 3.6.11.y.
> > 
> > These commits were cherry-picked for 3.4.38 and can also be
> > cherry-picked cleanly on top of 3.6.11.1 plus the 7 patches you already
> > have:
> > 
> > d5e8cc6c946e sfc: Really disable flow control while flushing
> > bfeed902946a sfc: Convert firmware subtypes to native byte order in efx_mcdi_get_board_cfg()
> > 9724a8504c87 sfc: Add parentheses around use of bitfield macro arguments
> > 0a6e5008a9df sfc: Fix MCDI structure field lookup
> > 450783747f42 sfc: Avoid generating over-length MC_CMD_FLUSH_RX_QUEUES request
> > 525d9e824018 sfc: Work-around flush timeout when flushes have completed
> > ef492f11efed sfc: Correctly initialise reset_method in siena_test_chip()
> > ebf98e797b4e sfc: Fix timekeeping in efx_mcdi_poll()
> > 
> > Please let me know whether you're prepared to include these in the
> > current update.  I can then run some automated tests with your selected
> > set of patches applied.
> 
> The test suite found a regression which I'd forgotten about.  It
> was introduced in 3.6 by commit b7f514af7d6f 'sfc: Fix interface
> statistics running backward' and fixed in 3.8 by commit 876be083b669
> 'sfc: Reset driver's MAC stats after MC reboot seen'.
> 
> That latter fix is, again, a clean cherry-pick onto 3.6.y.  I don't
> think I'm going to be able to re-test with this but it's sufficiently
> low-risk that I'd be happy for you to add it anyway.

Thanks!

I included it, and will run some simple tests. If everything works, I'll
just keep it without another spamming of the mailing lists.

I wont post till after my 3.6.11.2-rt tests passes.

-- Steve


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