Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 4.6 44/81] irqchip/gic-v3: Fix ICC_SGI1R_EL1.INTID decoding mask | Date | Wed, 22 Jun 2016 15:46:07 -0700 |
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4.6-stable review patch. If anyone has any objections, please let me know.
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From: Marc Zyngier <marc.zyngier@arm.com>
commit dd5f1b049dc139876801db3cdd0f20d21fd428cc upstream.
The INTID mask is wrong, and is made a signed value, which has nteresting effects in the KVM emulation. Let's sanitize it.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- include/linux/irqchip/arm-gic-v3.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/include/linux/irqchip/arm-gic-v3.h +++ b/include/linux/irqchip/arm-gic-v3.h @@ -301,7 +301,7 @@ #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
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