From: Jason Wever <[EMAIL PROTECTED]>
Date: Sat, 9 Jul 2005 09:01:26 -0600
> In trying to build 2.6.13-rc2 on an SMP Blade 1000, I get the following
> error;
>
> CC arch/sparc64/kernel/irq.o
> arch/sparc64/kernel/irq.c: In function `irq_affinity_read_proc':
> arch/sparc64/kernel/irq.c:920: warning: initialization from incompatible
> pointer type make[1]: *** [arch/sparc64/kernel/irq.o] Error 1
> make: *** [arch/sparc64/kernel] Error 2
>
> One thing to note is that this only manifests itself in an SMP enabled
> kernel config, single processor does not throw it.
It's fixed in Linu's GIT tree as of two days ago, as follows.
12cf649f417c68b6bdd2a3b4ed97113159c6029e
diff --git a/arch/sparc64/kernel/irq.c b/arch/sparc64/kernel/irq.c
--- a/arch/sparc64/kernel/irq.c
+++ b/arch/sparc64/kernel/irq.c
@@ -917,7 +917,8 @@ static int irq_affinity_read_proc (char
int count, int *eof, void *data)
{
struct ino_bucket *bp = ivector_table + (long)data;
- struct irqaction *ap = bp->irq_info;
+ struct irq_desc *desc = bp->irq_info;
+ struct irqaction *ap = desc->action;
cpumask_t mask;
int len;
@@ -935,11 +936,13 @@ static int irq_affinity_read_proc (char
static inline void set_intr_affinity(int irq, cpumask_t hw_aff)
{
struct ino_bucket *bp = ivector_table + irq;
+ struct irq_desc *desc = bp->irq_info;
+ struct irqaction *ap = desc->action;
/* Users specify affinity in terms of hw cpu ids.
* As soon as we do this, handler_irq() might see and take action.
*/
- put_smpaff_in_irqaction((struct irqaction *)bp->irq_info, hw_aff);
+ put_smpaff_in_irqaction(ap, hw_aff);
/* Migration is simply done by the next cpu to service this
* interrupt.
-
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