| Subject | Re: [PATCH v4 04/20] irqchip/gic-v4.1: Map the ITS SGIR register page | From | Zenghui Yu <> | Date | Thu, 20 Feb 2020 11:17:47 +0800 |
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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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