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SubjectRe: [PATCH v4 04/20] irqchip/gic-v4.1: Map the ITS SGIR register page
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On 2020/2/14 22:57, Marc Zyngier wrote:
> One of the new features of GICv4.1 is to allow virtual SGIs to be
> directly signaled to a VPE. For that, the ITS has grown a new
> 64kB page containing only a single register that is used to
> signal a SGI to a given VPE.
>
> Add a second mapping covering this new 64kB range, and take this
> opportunity to limit the original mapping to 64kB, which is enough
> to cover the span of the ITS registers.

Yes, no need to do ioremap for the translation register.

>
> Signed-off-by: Marc Zyngier<maz@kernel.org>

Reviewed-by: Zenghui Yu <yuzenghui@huawei.com>

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