Re: ACPI/HT or Packet Scheduler BUG?

From: Herbert Xu
Date: Sat Apr 16 2005 - 06:26:56 EST


On Sat, Apr 16, 2005 at 01:06:39PM +0200, Thomas Graf wrote:
>
> It's not completely useless, it speeds up the deletion classful
> qdiscs having some depth. However, it's not worth the locking
> troubles I guess.

RCU is meant to optimise the common reader path. In this case
that's the packet transmission code. Unfortunately it fails
miserably when judged by that criterion.
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