[PATCH v2 04/12] ARM: iop32x: use GENERIC_IRQ_MULTI_HANDLER

Arnd Bergmann arnd at arndb.de
Tue Nov 30 05:29:55 PST 2021


On Tue, Nov 30, 2021 at 1:58 PM Ard Biesheuvel <ardb at kernel.org> wrote:
>
> From: Arnd Bergmann <arnd at arndb.de>

> The cp6-enable path in the IRQ entry has an extra cp_wait barrier that
> the trap version does not have, but it is harmless to do it in both
> cases to simplify the logic here at the cost of a few extra cycles
> for the trap.
>
> I'm leaving the logic completely unchanged, including the way this
> platform starts its IRQs at zero, but add a note that this can
> cause problems.

(Replying to my own patch here)

The last paragraph is now obsolete, please remove it.

       Arnd



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