On Tue, 18 Jun 2013 10:05:31 +0100, Grant Likely <grant.likely@xxxxxxxxxx> wrote:
> On Tue, Jun 18, 2013 at 2:25 AM, Michael Neuling <mikey@xxxxxxxxxxx> wrote:
> > Michael Neuling <mikey@xxxxxxxxxxx> wrote:
> >
> >> Grant,
> >>
> >> In next-20130617 we are getting the below crash on POWER7. Bisecting,
> >> points to this patch (d39046ec72 in next)
> >
> > Also, reverting just d39046ec72 fixes the crash in next-20130617.
>
> Odd. Of all the changes in that series, I would not have expected that
> one to cause any problems. I'm digging into it now...
Ugh. I flubbed the commit. Try this patch. It should solve the problem:
>From b7ba09c29ed36eda8e16453646b55faea7f9c25f Mon Sep 17 00:00:00 2001
From: Grant Likely <grant.likely@xxxxxxxxxx>
Date: Tue, 18 Jun 2013 10:15:19 +0100
Subject: [PATCH] irqdomain: Fix flubbed irq_domain_associate_many refactoring
commit d39046ec72, "irqdomain: Refactor irq_domain_associate_many()" was
missing the following hunk which causes a boot failure on anything using
irq_domain_add_tree() to allocate an irq domain.
Signed-off-by: Grant Likely <grant.likely@xxxxxxxxxx>
Cc: Michael Neuling <mikey@xxxxxxxxxxx>
Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>,
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>,
Cc: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
---
include/linux/irqdomain.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h
index 02f7658..c983ed1 100644
--- a/include/linux/irqdomain.h
+++ b/include/linux/irqdomain.h
@@ -162,7 +162,7 @@ static inline struct irq_domain *irq_domain_add_tree(struct device_node *of_node
const struct irq_domain_ops *ops,
void *host_data)
{
- return irq_domain_add_linear(of_node, 0, ops, host_data);
+ return __irq_domain_add(of_node, 0, ~0, 0, ops, host_data);
}
extern void irq_domain_remove(struct irq_domain *host);
--
1.8.1.2
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