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Commit d822ea89 authored by Marc Zyngier's avatar Marc Zyngier Committed by Sasha Levin
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irqchip/gic-v3: Fix ICC_SGI1R_EL1.INTID decoding mask 



[ Upstream commit dd5f1b049dc139876801db3cdd0f20d21fd428cc ]

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: default avatarMarc Zyngier <marc.zyngier@arm.com>
Signed-off-by: default avatarSasha Levin <sasha.levin@oracle.com>
parent 045f0890

include/linux/irqchip/arm-gic-v3.h

+1 −1
Original line number Diff line number Diff line
@@ -147,7 +147,7 @@ 
#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