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Re: [RFC PATCH 0/3] Add a new flag for ITS device to control indirect route

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On 01/12/16 07:45, Majun wrote:
> From: MaJun <majun258@huawei.com>
> 
> For current ITS driver, two level table (indirect route) is enabled when the memory used
> for LPI route table over the limit(64KB * 2) size. But this function impact the 
> performance of LPI interrupt actually because need more time to look up the table.

Are you implying that your ITS doesn't have a cache to lookup the most
active devices, hence performing a full lookup on each interrupt?

Anyway, doing this as a DT quirk doesn't feel right. Please use the ITS
quirk infrastructure.

Thanks,

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

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[RFC PATCH 0/3] Add a new flag for ITS device to control indirect route Majun <majun258@huawei.com> - 2016-12-01 08:50 +0100
  Re: [RFC PATCH 0/3] Add a new flag for ITS device to control indirect  route Marc Zyngier <marc.zyngier@arm.com> - 2016-12-01 10:10 +0100
    Re: [RFC PATCH 0/3] Add a new flag for ITS device to control indirect  route "majun (Euler7)" <majun258@huawei.com> - 2016-12-02 10:40 +0100
      Re: [RFC PATCH 0/3] Add a new flag for ITS device to control indirect  route Marc Zyngier <marc.zyngier@arm.com> - 2016-12-02 10:40 +0100
        Re: [RFC PATCH 0/3] Add a new flag for ITS device to control indirect  route "majun (Euler7)" <majun258@huawei.com> - 2016-12-05 04:20 +0100
          Re: [RFC PATCH 0/3] Add a new flag for ITS device to control indirect  route Marc Zyngier <marc.zyngier@arm.com> - 2016-12-05 10:20 +0100

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