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

[Marc Zyngier]

On 01/12/16 07:45, Majun wrote:
> From: MaJun <majun258@xxxxxxxxxx>
> 
> 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...