netdev - Re: [PATCH v5] rps: Receive Packet Steering

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Message-ID: <4B4FA935.9080902@hp.com>
Date:	Thu, 14 Jan 2010 15:31:01 -0800
From:	Rick Jones <rick.jones2@...com>
To:	Stephen Hemminger <shemminger@...tta.com>
CC:	Tom Herbert <therbert@...gle.com>, davem@...emloft.net,
	netdev@...r.kernel.org
Subject: Re: [PATCH v5] rps: Receive Packet Steering

>>The CPU masks is set on a per device basis in the sysfs variable
>>/sys/class/net/<device>/rps_cpus.  This is a set of canonical bit maps for
>>each NAPI nstance of the device.  For example:
>>
>>echo "0b 0b0 0b00 0b000" > /sys/class/net/eth0/rps_cpus
> 
> 
> Why not make a kobject out of cpus which would add subdirectory.
> This would keep interface consistent with the one value per file
> semantic of sysfs.

Perhaps a question of po-tay-toe vs po-tah-toe, but which will be easier to deal 
with for say 128 or 256 "CPUs?"

rick jones
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