Re: [PATCH v2 2/2] iopoll: Do not use timekeeping in read_poll_timeout_atomic()

[Arnd Bergmann]

On Wed, May 10, 2023, at 15:46, Geert Uytterhoeven wrote:
> I first ran into it when converting open-coded loops to
> read*_poll_timeout_atomic().
> Later, I also saw the issue with the existing
> read*_poll_timeout_atomic() calls in the R-Car SYSC driver, but only
> after applying additional patches from the BSP that impact the moment
> PM Domains are powered during s2ram.

Ok

> The various pointers to existing mitigations in the cover letter should
> give you other suggestions for how to reproduce...

I see the cover letter now, I thought I had looked for it earlier but
didn't notice it.

     Arnd