Re: [PATCH 1/2]: powerpc/cell spidernet bottom half

From: Jeff Garzik
Date: Wed Aug 16 2006 - 12:28:33 EST

Linas Vepstas wrote:
Please apply and forward upstream. This patch requires the previous
sequence of 4 spidernet patches to be applied.


The recent set of low-waterark patches for the spider result in a
significant amount of computing being done in an interrupt context.
This patch moves this to a "bottom half" aka work queue, so that
the code runs in a normal kernel context. Curiously, this seems to result in a performance boost of about 5% for large packets.

Signed-off-by: Linas Vepstas <linas@xxxxxxxxxxxxxx>
Cc: Utz Bacher <utz.bacher@xxxxxxxxxx>
Cc: Jens Osterkamp <Jens.Osterkamp@xxxxxxxxxx>

Let's not reinvented NAPI, shall we...


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