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irqchip/gic-v3: Fix ICC_SGI1R_EL1.INTID decoding mask

The INTID mask is wrong, and is made a signed value, which has
nteresting effects in the KVM emulation. Let's sanitize it.

Cc: stable@vger.kernel.org
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Marc Zyngier 9 years ago
parent
1a695a905c
commit
dd5f1b049d
1 changed files with 1 additions and 1 deletions
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  1. 1 1
      include/linux/irqchip/arm-gic-v3.h

+ 1 - 1
include/linux/irqchip/arm-gic-v3.h
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@@ -305,7 +305,7 @@
 
 #define ICC_SGI1R_AFFINITY_1_SHIFT	16
 
 #define ICC_SGI1R_AFFINITY_1_MASK	(0xff << ICC_SGI1R_AFFINITY_1_SHIFT)
 
 #define ICC_SGI1R_SGI_ID_SHIFT		24
 
-#define ICC_SGI1R_SGI_ID_MASK		(0xff << ICC_SGI1R_SGI_ID_SHIFT)
 
+#define ICC_SGI1R_SGI_ID_MASK		(0xfULL << ICC_SGI1R_SGI_ID_SHIFT)
 
 #define ICC_SGI1R_AFFINITY_2_SHIFT	32
 
 #define ICC_SGI1R_AFFINITY_2_MASK	(0xffULL << ICC_SGI1R_AFFINITY_1_SHIFT)
 
 #define ICC_SGI1R_IRQ_ROUTING_MODE_BIT	40