Re: [PATCH] irqchip: gic-v3-its: fix entry size mask for GITS_BASER

2016-10-17 Thread Fabio Estevam 
On Mon, Oct 17, 2016 at 1:00 PM, Vladimir Murzin
 wrote:
> Entry Size in GITS_BASER occupies 5 bits [52:48], but we mask out 8
> bits.
>
> Fixes: cc2d3216f53c ("irqchip: GICv3: ITS command queue")

Looks like it needs the following tag then:

Cc:  # 3.19+

Re: [PATCH] irqchip: gic-v3-its: fix entry size mask for GITS_BASER

2016-10-17 Thread Fabio Estevam 
On Mon, Oct 17, 2016 at 1:00 PM, Vladimir Murzin
 wrote:
> Entry Size in GITS_BASER occupies 5 bits [52:48], but we mask out 8
> bits.
>
> Fixes: cc2d3216f53c ("irqchip: GICv3: ITS command queue")

Looks like it needs the following tag then:

Cc:  # 3.19+

Re: [PATCH] irqchip: gic-v3-its: fix entry size mask for GITS_BASER

2016-10-17 Thread Marc Zyngier 
On 17/10/16 16:00, Vladimir Murzin wrote:
> Entry Size in GITS_BASER occupies 5 bits [52:48], but we mask out 8
> bits.
> 
> Fixes: cc2d3216f53c ("irqchip: GICv3: ITS command queue")
> 
> Signed-off-by: Vladimir Murzin 
> ---
>  include/linux/irqchip/arm-gic-v3.h |2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/include/linux/irqchip/arm-gic-v3.h 
> b/include/linux/irqchip/arm-gic-v3.h
> index 7dec96f..5118d3a 100644
> --- a/include/linux/irqchip/arm-gic-v3.h
> +++ b/include/linux/irqchip/arm-gic-v3.h
> @@ -290,7 +290,7 @@
>  #define GITS_BASER_TYPE_SHIFT(56)
>  #define GITS_BASER_TYPE(r)   (((r) >> GITS_BASER_TYPE_SHIFT) & 7)
>  #define GITS_BASER_ENTRY_SIZE_SHIFT  (48)
> -#define GITS_BASER_ENTRY_SIZE(r) r) >> GITS_BASER_ENTRY_SIZE_SHIFT) 
> & 0xff) + 1)
> +#define GITS_BASER_ENTRY_SIZE(r) r) >> GITS_BASER_ENTRY_SIZE_SHIFT) 
> & 0x1f) + 1)
>  #define GITS_BASER_SHAREABILITY_SHIFT(10)
>  #define GITS_BASER_InnerShareable\
>   GIC_BASER_SHAREABILITY(GITS_BASER, InnerShareable)
> 

Nice catch. I'll queue that in my fix branch (and add a Cc to stable,
since this is a 2 year old bug...).

Thanks,

M.
-- 
Jazz is not dead. It just smells funny...

Re: [PATCH] irqchip: gic-v3-its: fix entry size mask for GITS_BASER

2016-10-17 Thread Marc Zyngier 
On 17/10/16 16:00, Vladimir Murzin wrote:
> Entry Size in GITS_BASER occupies 5 bits [52:48], but we mask out 8
> bits.
> 
> Fixes: cc2d3216f53c ("irqchip: GICv3: ITS command queue")
> 
> Signed-off-by: Vladimir Murzin 
> ---
>  include/linux/irqchip/arm-gic-v3.h |2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/include/linux/irqchip/arm-gic-v3.h 
> b/include/linux/irqchip/arm-gic-v3.h
> index 7dec96f..5118d3a 100644
> --- a/include/linux/irqchip/arm-gic-v3.h
> +++ b/include/linux/irqchip/arm-gic-v3.h
> @@ -290,7 +290,7 @@
>  #define GITS_BASER_TYPE_SHIFT(56)
>  #define GITS_BASER_TYPE(r)   (((r) >> GITS_BASER_TYPE_SHIFT) & 7)
>  #define GITS_BASER_ENTRY_SIZE_SHIFT  (48)
> -#define GITS_BASER_ENTRY_SIZE(r) r) >> GITS_BASER_ENTRY_SIZE_SHIFT) 
> & 0xff) + 1)
> +#define GITS_BASER_ENTRY_SIZE(r) r) >> GITS_BASER_ENTRY_SIZE_SHIFT) 
> & 0x1f) + 1)
>  #define GITS_BASER_SHAREABILITY_SHIFT(10)
>  #define GITS_BASER_InnerShareable\
>   GIC_BASER_SHAREABILITY(GITS_BASER, InnerShareable)
> 

Nice catch. I'll queue that in my fix branch (and add a Cc to stable,
since this is a 2 year old bug...).

Thanks,

M.
-- 
Jazz is not dead. It just smells funny...