Re: [PATCH] asm-generic/io.h: Skip trace helpers if rwmmio events are disabled

From: Arnd Bergmann
Date: Wed Sep 24 2025 - 10:26:13 EST


On Tue, Sep 23, 2025, at 13:07, Varad Gautam wrote:
>
> Can I follow this along somewhere? (I don't see it on arnd/asm-generic.git atm.)
>
> The unnecessary log_*_mmio() calls are showing up on enough Pixel devices
> as a CPU cycles wastage, and I'm sure other Androids see it too.

Pushed out now. I still had it in my local branch, but did not
have any other asm-generic changes, so I ended up missing it again...

Arnd