linux-kernel - Re: -mm merge plans for 2.6.21

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Date:	Sat, 10 Feb 2007 12:42:41 +0100
From:	Arnd Bergmann <arnd@...db.de>
To:	Arjan van de Ven <arjan@...radead.org>
Cc:	Frederik Deweerdt <deweerdt@...e.fr>,
	Jan Engelhardt <jengelh@...ux01.gwdg.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, tglx@...utronix.de
Subject: Re: -mm merge plans for 2.6.21

On Friday 09 February 2007 12:24, Arjan van de Ven wrote:
> 
> On Fri, 2007-02-09 at 10:57 +0000, Frederik Deweerdt wrote:
> > +static const int __deprecated SA_INTERRUPT = IRQF_DISABLED;
> > +static const int __deprecated SA_SAMPLE_RANDOM = IRQF_SAMPLE_RANDOM;
> > +static const int __deprecated SA_SHIRQ = IRQF_SHARED;
> > +static const int __deprecated SA_PROBEIRQ = IRQF_PROBE_SHARED;
> > +static const int __deprecated SA_PERCPU = IRQF_PERCPU;
> > +
> > +static const int __deprecated SA_TRIGGER_LOW = IRQF_TRIGGER_LOW;
> > +static const int __deprecated SA_TRIGGER_HIGH = IRQF_TRIGGER_HIGH;
> > +static const int __deprecated SA_TRIGGER_FALLING = IRQF_TRIGGER_FALLING;
> > +static const int __deprecated SA_TRIGGER_RISING = IRQF_TRIGGER_RISING;
> > +static const int __deprecated SA_TRIGGER_MASK = IRQF_TRIGGER_MASK;
> 
> this will include these in every .o file for which the .c file includes
> the header. NOT GOOD(tm)
> 

How about this one instead then:

Mark SA_* constants as deprecated

Signed-off-by: Arnd Bergmann <arnd@...db.de>

--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -53,17 +53,19 @@
  * Migration helpers. Scheduled for removal in 1/2007
  * Do not use for new code !
  */
-#define SA_INTERRUPT		IRQF_DISABLED
-#define SA_SAMPLE_RANDOM	IRQF_SAMPLE_RANDOM
-#define SA_SHIRQ		IRQF_SHARED
-#define SA_PROBEIRQ		IRQF_PROBE_SHARED
-#define SA_PERCPU		IRQF_PERCPU
-
-#define SA_TRIGGER_LOW		IRQF_TRIGGER_LOW
-#define SA_TRIGGER_HIGH		IRQF_TRIGGER_HIGH
-#define SA_TRIGGER_FALLING	IRQF_TRIGGER_FALLING
-#define SA_TRIGGER_RISING	IRQF_TRIGGER_RISING
-#define SA_TRIGGER_MASK		IRQF_TRIGGER_MASK
+typedef unsigned int __deprecated deprecated_irqf;
+
+#define SA_INTERRUPT		((deprecated_irqf)IRQF_DISABLED)
+#define SA_SAMPLE_RANDOM	((deprecated_irqf)IRQF_SAMPLE_RANDOM)
+#define SA_SHIRQ		((deprecated_irqf)IRQF_SHARED)
+#define SA_PROBEIRQ		((deprecated_irqf)IRQF_PROBE_SHARED)
+#define SA_PERCPU		((deprecated_irqf)IRQF_PERCPU)
+
+#define SA_TRIGGER_LOW		((deprecated_irqf)IRQF_TRIGGER_LOW)
+#define SA_TRIGGER_HIGH		((deprecated_irqf)IRQF_TRIGGER_HIGH)
+#define SA_TRIGGER_FALLING	((deprecated_irqf)IRQF_TRIGGER_FALLING)
+#define SA_TRIGGER_RISING	((deprecated_irqf)IRQF_TRIGGER_RISING)
+#define SA_TRIGGER_MASK		((deprecated_irqf)IRQF_TRIGGER_MASK)
 
 typedef irqreturn_t (*irq_handler_t)(int, void *);
 
-
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