linux-kernel - Re: [patch 1/3] Scheduled removal of SA

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Message-Id: <1169584278.21181.86.camel@localhost.localdomain>
Date:	Tue, 23 Jan 2007 21:31:18 +0100
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Andrew Morton <akpm@...l.org>
Cc:	LKML <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu>
Subject: Re: [patch 1/3] Scheduled removal of SA_xxx interrupt flags

On Tue, 2007-01-23 at 12:02 -0800, Andrew Morton wrote:
> > The name space cleanup of the interrupt request flags (SA_xxx -> IRQF_xxx)
> > left a 6 month grace period for the old deprecated flags. Remove them.
> 
> fwiw, I'll make this [patch 3/3], so the kernel compiles OK at each step.

Yup, should have thought about that.

> This is going to break a lot of external stuff.  We should have found a way
> to make usage of SA_* emit deprecated warnings (or _some_ warning) to warn
> people of impending doom.  But I can't immediately find a way of doing
> that.
> if we _can_ find a way of doing this, I suspect we'll need to do it, and
> give people another six months.  It's going to get ugly out there.  We
> shall see...

Ugly, but might work:

static inline unsigned int __deprecated __sa_shirq(void) { return IRQF_DISABLED; }
#define SA_SHIRQ	__sa_shirq()

	tglx


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