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From: David Miller <davem@davemloft.net>
To: madalin.bucur@freescale.com
Cc: joe@perches.com, netdev@vger.kernel.org,
	linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org,
	scottwood@freescale.com, Igal.Liberman@freescale.com,
	ppc@mindchasers.com, pebolle@tiscali.nl,
	joakim.tjernlund@transmode.se
Subject: Re: [PATCH 03/10] dpaa_eth: add configurable bpool thresholds
Date: Sun, 26 Jul 2015 16:35:20 -0700 (PDT)	[thread overview]
Message-ID: <20150726.163520.846046458508685868.davem@davemloft.net> (raw)
In-Reply-To: <BL2PR03MB545AA0E6D98232FF43B6CE9E6810@BL2PR03MB545.namprd03.prod.outlook.com>

From: Madalin-Cristian Bucur <madalin.bucur@freescale.com>
Date: Fri, 24 Jul 2015 15:49:39 +0000

>> -----Original Message-----
>> From: Joe Perches [mailto:joe@perches.com]
>> On Wed, 2015-07-22 at 19:16 +0300, Madalin Bucur wrote:
>> > Allow the user to tweak the refill threshold and the total number
>> > of buffers in the buffer pool. The provided values are for one CPU.
>> 
>> Any value in making these module parameters instead?
> 
> I expect one would (hardly ever) change these to improve some corner
> cases then use them with the new values. It may help in the tuning process
> but afterwards the bloat to the bootcmd would probably be  a nuisance.

I think these should be controlled by the existing ethtool infrastructure.

Neither the Kconfig mechanism nor module parameters are appropriate, at all.

  reply	other threads:[~2015-07-26 23:35 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-07-22 16:16 [PATCH 01/10] devres: add devm_alloc_percpu() Madalin Bucur
2015-07-22 16:16 ` [PATCH 02/10] dpaa_eth: add support for DPAA Ethernet Madalin Bucur
2015-07-22 16:16   ` [PATCH 03/10] dpaa_eth: add configurable bpool thresholds Madalin Bucur
2015-07-22 16:16     ` [PATCH 04/10] dpaa_eth: add support for S/G frames Madalin Bucur
2015-07-22 16:16       ` [PATCH 05/10] dpaa_eth: add driver's Tx queue selection mechanism Madalin Bucur
2015-07-22 16:16         ` [PATCH 06/10] dpaa_eth: add ethtool functionality Madalin Bucur
2015-07-22 16:16           ` [PATCH 07/10] dpaa_eth: add sysfs exports Madalin Bucur
2015-07-22 16:16             ` [PATCH 08/10] dpaa_eth: add debugfs counters Madalin Bucur
2015-07-22 16:16               ` [PATCH 09/10] dpaa_eth: add debugfs entries Madalin Bucur
2015-07-22 16:16                 ` [PATCH 10/10] dpaa_eth: add trace points Madalin Bucur
2015-07-22 17:47     ` [PATCH 03/10] dpaa_eth: add configurable bpool thresholds Joe Perches
2015-07-24 15:49       ` Madalin-Cristian Bucur
2015-07-26 23:35         ` David Miller [this message]
2015-07-27 12:54           ` Madalin-Cristian Bucur
2015-07-22 17:37   ` [PATCH 02/10] dpaa_eth: add support for DPAA Ethernet Joe Perches
2015-07-24 15:45     ` Madalin-Cristian Bucur
2015-07-27 18:59       ` Scott Wood
2015-07-29 14:15   ` Joakim Tjernlund

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