On Tue, 8 May 2007 13:14:26 -0700
"Luck, Tony" <[email protected]> wrote:
> > It had a dopey little bug:
> >
> > -#define is_affinity_mask_valid() 1
> > +#define is_affinity_mask_valid(val) 1
>
> That would fix warnings on non-ia64 systems (which is
> a step in the right direction). But on ia64 I have
> the
>
> #define is_affinity_mask_valid is_affinity_mask_valid
>
> in play at that point, so I have a real function call
> which doesn't have an in-scope declaration, so I get:
>
> kernel/irq/proc.c:49: warning: implicit declaration of function `is_affinity_mask_valid'
>
hm, I wonder if John sent the right patch.
The obvious fix fixes it up for me:
--- a/include/asm-ia64/irq.h~sn-validate-smp_affinity-mask-on-intr-redirect-fix-2
+++ a/include/asm-ia64/irq.h
@@ -11,6 +11,9 @@
* 02/29/00 D.Mosberger moved most things into hw_irq.h
*/
+#include <linux/types.h>
+#include <linux/cpumask.h>
+
#define NR_IRQS 256
#define NR_IRQ_VECTORS NR_IRQS
@@ -29,6 +32,7 @@ extern void disable_irq (unsigned int);
extern void disable_irq_nosync (unsigned int);
extern void enable_irq (unsigned int);
extern void set_irq_affinity_info (unsigned int irq, int dest, int redir);
+bool is_affinity_mask_valid(cpumask_t cpumask);
#define is_affinity_mask_valid is_affinity_mask_valid
_
but the new includes are always a worry.
We need the cpumask.h include because we went and created a stupid typedef.
I think at the time we did this because cpumask_t could optionally be a
plain old "long". However I don't think we ended up doing that so we could
now do:
-typedef struct { DECLARE_BITMAP(bits, NR_CPUS); } cpumask_t;
+typedef struct cpumask { DECLARE_BITMAP(bits, NR_CPUS); } cpumask_t;
and then we can forward-declare `struct cpumask' in include/asm-ia64/irq.h
rather than adding the nested include.
-
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