On Fri, Feb 09, 2007 at 12:29:06AM +0100, Jan Engelhardt wrote:
>
> On Feb 8 2007 15:07, Andrew Morton wrote:
>
> >scheduled-removal-of-sa_xxx-interrupt-flags-fixups.patch
> >scheduled-removal-of-sa_xxx-interrupt-flags-fixups-2.patch
> >scheduled-removal-of-sa_xxx-interrupt-flags.patch
> >scheduled-removal-of-sa_xxx-interrupt-flags-ata-fix.patch
> >
> > This removes SA_INTERRUPT and friends, so 10000000 external drivers won't
> > compile any more. I think I'd prefer to find a way to get usage of SA_* to
> > spit a deprecated warning.
>
> Here's an idea:
>
> #define SA_INTERRUPT sa_interrupt_with_warning()
> static inline int sa_interrupt_with_warning(void) {
> if(more_or_less_often)
> printk(fat_warning);
> return 0x123456; /* whatever numerical value it is */
> }
>
I'd say that we want to warn the developper, not the user, isn't it?
The attached patch marks the variables as __deprecated, and re-schedules
the removal for January 2008.
Regards,
Frederik
diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt
index b7c642c..4a5aad3 100644
--- a/Documentation/feature-removal-schedule.txt
+++ b/Documentation/feature-removal-schedule.txt
@@ -308,3 +308,12 @@ Why: OSS drivers with ALSA replacements
Who: Adrian Bunk <[email protected]>
---------------------------
+
+What: Interrupt only SA_* flags
+When: January 2008
+Why: The interrupt related SA_* flags are replaced by IRQF_* to move them
+ out of the signal namespace.
+
+Who: Frederik Deweerdt <[email protected]>
+
+---------------------------
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index e66b458..472f2d2 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -52,6 +52,25 @@
#define IRQF_PERCPU 0x00000400
#define IRQF_NOBALANCING 0x00000800
+/*
+ * Migration helpers. Scheduled for removal in 1/2008
+ * SA_* flags are now deprecated, leaving time for out-of-the-tree drivers
+ * to catch up.
+ *
+ * Do not use for new code !
+ */
+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;
+
typedef irqreturn_t (*irq_handler_t)(int, void *);
struct irqaction {
-
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