Re: [PATCH] kernel: irq: Extend lockdep class for request mutex

From: Linus Walleij
Date: Tue Dec 12 2017 - 03:59:44 EST


On Sat, Dec 2, 2017 at 6:11 PM, Andrew Lunn <andrew@xxxxxxx> wrote:

> The IRQ code already has support for lockdep class for the lock mutex
> in an interrupt descriptor. Extend this to add a second class for the
> request mutex in the descriptor. Not having a class is resulting in
> false positive splats in some code paths.
>
> Signed-off-by: Andrew Lunn <andrew@xxxxxxx>

Alas, I don't understand how lockdep works. But if the IRQ maintainers
like the idea they are free to merge this with my:
Acked-by: Linus Walleij <linus.walleij@xxxxxxxxxx>

It seems Thomas is busy, looping in Marc Z as IRQ maintainer.

Yours,
Linus Walleij