netdev - request_threaded

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Message-ID: <AANLkTikCQRiW3oWYSXK7yTxLWd3us+8wdwfuOs1k71VD@mail.gmail.com>
Date:	Fri, 12 Nov 2010 14:27:11 +0200
From:	Mark Ryden <markryde@...il.com>
To:	netdev@...r.kernel.org
Subject: request_threaded_irq()

Hello netdev,

grepping under net-next-2.6/drivers/net for request_threaded_irq() ,
shows that it appears only in 3 drivers:

can/mcp251x.c
wireless/b43/main.c
wireless/rt2x00/rt2x00pci.c

I was wondering: when thinking about performance, is it worthwhile to use this
API instead of ordinary request_irq() . It seems to me that
request_threaded_irq()  might
be better in some cases than NAPI polling forr network drivers (or at
list it might be so in some systems, maybe multicore ?)

Best,
Mark Ryden
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