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Groups > linux.kernel > #1192586

Re: [PATCH 03/10] dpaa_eth: add configurable bpool thresholds

From David Miller <davem@davemloft.net>
Newsgroups linux.kernel
Subject Re: [PATCH 03/10] dpaa_eth: add configurable bpool thresholds
Date 2015-07-27 01:40 +0200
Message-ID <pQDGq-YK-3@gated-at.bofh.it> (permalink)
References <pP6jy-6y6-21@gated-at.bofh.it> <pP6jy-6y6-19@gated-at.bofh.it> <pPNou-1ET-5@gated-at.bofh.it>
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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.
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Thread

[PATCH 01/10] devres: add devm_alloc_percpu() Madalin Bucur <madalin.bucur@freescale.com> - 2015-07-22 19:00 +0200
  Re: [PATCH 02/10] dpaa_eth: add support for DPAA Ethernet Joe Perches <joe@perches.com> - 2015-07-22 19:40 +0200
  Re: [PATCH 03/10] dpaa_eth: add configurable bpool thresholds Joe Perches <joe@perches.com> - 2015-07-22 19:50 +0200
    Re: [PATCH 03/10] dpaa_eth: add configurable bpool thresholds David Miller <davem@davemloft.net> - 2015-07-27 01:40 +0200
  Re: [PATCH 02/10] dpaa_eth: add support for DPAA Ethernet Joakim Tjernlund <joakim.tjernlund@transmode.se> - 2015-07-29 16:20 +0200

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