| To: | Jeff Garzik <jgarzik@xxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [announce] [patch] limiting IRQ load, irq-rewrite-2.4.11-B5 |
| From: | Ingo Molnar <mingo@xxxxxxx> |
| Date: | Thu, 4 Oct 2001 08:56:36 +0200 (CEST) |
| Cc: | Ben Greear <greearb@xxxxxxxxxxxxxxx>, jamal <hadi@xxxxxxxxxx>, <linux-kernel@xxxxxxxxxxxxxxx>, Alexey Kuznetsov <kuznet@xxxxxxxxxxxxx>, Robert Olsson <Robert.Olsson@xxxxxxxxxxx>, Benjamin LaHaise <bcrl@xxxxxxxxxx>, <netdev@xxxxxxxxxxx>, Linus Torvalds <torvalds@xxxxxxxxxxxxx>, Alan Cox <alan@xxxxxxxxxxxxxxxxxxx>, Simon Kirby <sim@xxxxxxxxxxxxx> |
| In-reply-to: | <Pine.LNX.3.96.1011004015444.25623C-100000@mandrakesoft.mandrakesoft.com> |
| Reply-to: | <mingo@xxxxxxx> |
| Sender: | owner-netdev@xxxxxxxxxxx |
On Thu, 4 Oct 2001, Jeff Garzik wrote:
> On Wed, 3 Oct 2001, Ben Greear wrote:
> > That requires re-writing all the drivers, right?
>
> NAPI? [...]
Ben is talking about the long-planned "irq_action->handler() returns a
code that indicates progress" approach Linus talked about. *that* needs
the changing of every driver, since every IRQ handler prototype that is
'void' now needs to be changed to return 'int'. (the change is trivial,
but intrusive.)
Ingo
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