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

From: David Miller
Date: Sun Jul 26 2015 - 19:35:25 EST


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

>> -----Original Message-----
>> From: Joe Perches [mailto:joe@xxxxxxxxxxx]
>> 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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