On Tue, Jan 27, 2015 at 12:33:26PM +0530, Pranavkumar Sawargaonkar wrote:
> In APM X-Gene, GIC register space is 64K aligned while the sizes mentioned
> in the dt are 4K aligned. This breaks KVM when kernel is built with 64K page
> size due to size alignment checking in vgic driver for VCPU Control and
> VCPU register.
> 
> This patch corrects the sizes to be inline with the hardware spec.
> 
> CC: linux-arm-ker...@lists.infradead.org
> CC: kvm...@lists.cs.columbia.edu
> CC: a...@arndb.de
> CC: marc.zyng...@arm.com
> CC: christoffer.d...@linaro.org
> CC: j...@redhat.com
> Signed-off-by: Pranavkumar Sawargaonkar <psawargaon...@apm.com>
> Signed-off-by: Tushar Jagad <tja...@apm.com>
> Signed-off-by: Feng Kan <f...@apm.com>
> ---
>  arch/arm64/boot/dts/apm/apm-storm.dtsi |    8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/apm/apm-storm.dtsi 
> b/arch/arm64/boot/dts/apm/apm-storm.dtsi
> index f1ad9c2..65f0e6d 100644
> --- a/arch/arm64/boot/dts/apm/apm-storm.dtsi
> +++ b/arch/arm64/boot/dts/apm/apm-storm.dtsi
> @@ -81,10 +81,10 @@
>               compatible = "arm,cortex-a15-gic";
>               #interrupt-cells = <3>;
>               interrupt-controller;
> -             reg = <0x0 0x78010000 0x0 0x1000>,      /* GIC Dist */
> -                   <0x0 0x78020000 0x0 0x1000>,      /* GIC CPU */
> -                   <0x0 0x78040000 0x0 0x2000>,      /* GIC VCPU Control */
> -                   <0x0 0x78060000 0x0 0x2000>;      /* GIC VCPU */
> +             reg = <0x0 0x78010000 0x0 0x10000>,     /* GIC Dist */
> +                   <0x0 0x78020000 0x0 0x20000>,     /* GIC CPU */
> +                   <0x0 0x78040000 0x0 0x10000>,     /* GIC VCPU Control */
> +                   <0x0 0x78060000 0x0 0x20000>;     /* GIC VCPU */
>               interrupts = <1 9 0xf04>;       /* GIC Maintenence IRQ */
>       };
> 
> --
> 1.7.9.5
> 

This looks good to me and works with 4K and 64K pages on the mustang I
have at hand.

Acked-by: Christoffer Dall <christoffer.d...@linaro.org>
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