Re: [PATCHv3 0/6] arm64: Support FIQ controller registration

2021-03-24 Thread Catalin Marinas
On Mon, 15 Mar 2021 11:56:23 +, Mark Rutland wrote: > Hector's M1 support series [1] shows that some platforms have critical > interrupts wired to FIQ, and to support these platforms we need to support > handling FIQ exceptions. Other contemporary platforms don't use FIQ (since > e.g. > this

[PATCHv3 0/6] arm64: Support FIQ controller registration

2021-03-15 Thread Mark Rutland
Hector's M1 support series [1] shows that some platforms have critical interrupts wired to FIQ, and to support these platforms we need to support handling FIQ exceptions. Other contemporary platforms don't use FIQ (since e.g. this is usually routed to EL3), and as we never expect to take an FIQ,