Re: [PATCH] drivers/net: remove network drivers' last few uses of IRQF_SAMPLE_RANDOM

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To: Jeff Garzik <jeff@...>
Cc: Chris Peterson <cpeterso@...>, Rick Jones <rick.jones2@...>, Brandeburg, Jesse <jesse.brandeburg@...>, Alan Cox <alan@...>, <netdev@...>, <linux-kernel@...>
Date: Thursday, May 15, 2008 - 4:39 pm

Jeff Garzik wrote:

I agree it's by far the _best_ solution.

I think that some embedded devices that do not have any RNG hardware should be
able to turn off NAPI/irq mitigation and possibly fall back on IRQF_SA_RANDOM.
It's not as good as the above solution at all, but may be sufficient for headless
embedded devices that are dying for some entropy.

of course, with most of the network drivers being NAPI enabled by default this
pretty much is not realistic (as Jeff G. pointed out). Unless someone writes an
(e.g.) ethtool parameter to turn NAPI on/off :)

Auke


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Messages in current thread:
RE: [PATCH] drivers/net: remove network drivers' last few us..., Brandeburg, Jesse, (Thu May 15, 12:07 pm)
Re: [PATCH] drivers/net: remove network drivers' last few us..., Alejandro Riveira , (Mon May 26, 9:43 am)
Re: [PATCH] drivers/net: remove network drivers' last few us..., Lennart Sorensen, (Fri May 16, 10:15 am)
Re: [PATCH] drivers/net: remove network drivers' last few us..., Henrique de Moraes Holschuh..., (Thu May 15, 6:29 pm)
Re: [PATCH] drivers/net: remove network drivers' last few us..., Henrique de Moraes Holschuh..., (Thu May 15, 7:58 pm)
Re: [PATCH] drivers/net: remove network drivers' last few us..., Henrique de Moraes Holschuh..., (Thu May 15, 7:02 pm)
Re: [PATCH] drivers/net: remove network drivers' last few us..., Henrique de Moraes Holschuh..., (Thu May 15, 7:46 pm)
Re: [PATCH] drivers/net: remove network drivers' last few us..., Kok, Auke, (Thu May 15, 4:39 pm)