linux-kernel - [RFC PATCH 5/8] AMP: smp: Extend number of IPIs

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Date:	Mon, 18 Jun 2012 13:30:08 +0200
From:	Michal Simek <monstr@...str.eu>
To:	linux-kernel@...r.kernel.org
Cc:	Russell King <linux@....linux.org.uk>,
	Marc Zyngier <marc.zyngier@....com>,
	Grant Likely <grant.likely@...retlab.ca>,
	Will Deacon <will.deacon@....com>,
	Rob Herring <rob.herring@...xeda.com>,
	Nicolas Pitre <nicolas.pitre@...aro.org>,
	linux-arm-kernel@...ts.infradead.org,
	Ohad Ben-Cohen <ohad@...ery.com>,
	Peter Crosthwaite <peter.crosthwaite@...alogix.com>,
	Michal Simek <monstr@...str.eu>
Subject: [RFC PATCH 5/8] AMP: smp: Extend number of IPIs

GIC supports up to 16 IPIs.

Signed-off-by: Michal Simek <monstr@...str.eu>

---
Please correct me if this code is also designed for different
interrupt controller which doesn't support 16 IPIs.
---
 arch/arm/include/asm/hardirq.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/arm/include/asm/hardirq.h b/arch/arm/include/asm/hardirq.h
index 436e60b..3e9ded5 100644
--- a/arch/arm/include/asm/hardirq.h
+++ b/arch/arm/include/asm/hardirq.h
@@ -5,7 +5,7 @@
 #include <linux/threads.h>
 #include <asm/irq.h>
 
-#define NR_IPI	5
+#define NR_IPI	16
 
 typedef struct {
 	unsigned int __softirq_pending;
-- 
1.7.0.4

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