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Message-ID: <49CDAB6E.90006@kernel.org>
Date: Fri, 27 Mar 2009 21:45:34 -0700
From: Yinghai Lu <yinghai@...nel.org>
To: Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
"H. Peter Anvin" <hpa@...or.com>,
Andrew Morton <akpm@...ux-foundation.org>,
Rusty Russell <rusty@...tcorp.com.au>,
Mike Travis <travis@....com>
CC: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH] irq: remove wrong ifdef
Impact: fix smp_affinity copying
CPUMASKS_OFFSTACK is not defined anywhere.
and init_allocate_desc_masks called before it set affinity to all cpus...
just remove those #idef to make them get copied
Signed-off-by: Yinghai Lu <yinghai@...nel.org>
---
include/linux/irq.h | 4 ----
1 file changed, 4 deletions(-)
Index: linux-2.6/include/linux/irq.h
===================================================================
--- linux-2.6.orig/include/linux/irq.h
+++ linux-2.6/include/linux/irq.h
@@ -468,20 +468,16 @@ static inline bool init_alloc_desc_masks
* @new_desc: pointer to new irq_desc struct
*
* Insures affinity and pending_masks are copied to new irq_desc.
- * If !CONFIG_CPUMASKS_OFFSTACK the cpumasks are embedded in the
- * irq_desc struct so the copy is redundant.
*/
static inline void init_copy_desc_masks(struct irq_desc *old_desc,
struct irq_desc *new_desc)
{
-#ifdef CONFIG_CPUMASKS_OFFSTACK
cpumask_copy(new_desc->affinity, old_desc->affinity);
#ifdef CONFIG_GENERIC_PENDING_IRQ
cpumask_copy(new_desc->pending_mask, old_desc->pending_mask);
#endif
-#endif
}
#else /* !CONFIG_SMP */
--
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