linux-kernel - Re: [PATCH 0/9] Remove 'irq' argument from all irq handlers

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Date:	Fri, 19 Oct 2007 11:45:35 -0700
From:	Mark Gross <mgross@...ux.intel.com>
To:	Jeff Garzik <jeff@...zik.org>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Eric Biederman <ebiederm@...ssion.com>
Subject: Re: [PATCH 0/9] Remove 'irq' argument from all irq handlers

On Fri, Oct 19, 2007 at 03:54:43AM -0400, Jeff Garzik wrote:
> 
> WARNING NOT FOR MERGE WARNING NOT FOR MERGE WARNING NOT FOR MERGE

then whats the point ?

> 
> This posting is just to demonstrate something that I have been keeping
> alive in the background.  I have no urge to push it upstream anytime
> soon.

why not? 

--mgross

> 
> The overwhelming majority of drivers do not ever bother with the 'irq'
> argument that is passed to each driver's irq handler.
> 
> Of the minority of drivers that do use the arg, the majority of those
> have the irq number stored in their private-info structure somewhere.
> 
> There are a tiny few -- a couple Mac drivers -- which do weird things
> with that argument, but that's it.
> 
> For the large sweeps through the tree, these patches are grouped into
> "trivial" changes -- simply removing the unused irq arg -- or all other
> changes.
> 
>    [IRQ ARG REMOVAL] core interrupt delivery infrastructure updates
>    [IRQ ARG REMOVAL] various non-trivial arch updates
>    [IRQ ARG REMOVAL] trivial arch updates
>    [IRQ ARG REMOVAL] non-trivial driver updates
>    [IRQ ARG REMOVAL] trivial net driver updates
>    [IRQ ARG REMOVAL] trivial sound driver updates
>    [IRQ ARG REMOVAL] trivial scsi driver updates
>    [IRQ ARG REMOVAL] trivial driver updates
>    [IRQ ARG REMOVAL] x86-64 build fixes, cleanups
> 
> WARNING NOT FOR MERGE WARNING NOT FOR MERGE WARNING NOT FOR MERGE
> -
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