[PATCH v4] irqchip/gicv3-its: Add workaround for hip09 ITS erratum 162100801

[Zhou Wang]

On 2024/11/16 7:44, Thomas Gleixner wrote:
> On Thu, Nov 14 2024 at 16:28, Zhou Wang wrote:
> 
>> When enabling GICv4.1 in hip09, VMAPP will fail to clear some caches
>> during unmapping operation, which will cause some vSGIs lost.
>>
>> To fix the issue, invalidate related vPE cache through GICR_INVALLR
>> after VMOVP.
>>
>> Suggested-by: Marc Zyngier <maz at kernel.org>
>> Signed-off-by: Nianyao Tang <tangnianyao at huawei.com>
>> Signed-off-by: Zhou Wang <wangzhou1 at hisilicon.com>
> 
> This Signed-off-by chain is incorrect. Who authored the patch?
> 
> If Nianyao is the author then the changelog lacks a
> 
>    From: Nianyao ....
> 
> line right at the top.
> 
> If you both authored it, then this lacks a Co-developed-by tag.
> 
> See Documentation/process/... for further explanation.

Hi Thomas，

Thanks for pointing this.

We both author it, I will add a Co-developed-by tag like below and resend it:

Suggested-by: Marc Zyngier <maz at kernel.org>
Co-developed-by: Nianyao Tang <tangnianyao at huawei.com>
Signed-off-by: Nianyao Tang <tangnianyao at huawei.com>
Signed-off-by: Zhou Wang <wangzhou1 at hisilicon.com>
Reviewed-by: Marc Zyngier <maz at kernel.org>

Best,
Zhou

> 
> Thanks,
> 
>         tglx
> .