Re: [mm] 408579cd62: WARNING:suspicious_RCU_usage

[Marc Zyngier]

On Mon, 03 Jul 2023 19:11:27 +0100,
Palmer Dabbelt <palmer@xxxxxxxxxxxx> wrote:
> 
> On Mon, 03 Jul 2023 10:46:55 PDT (-0700), Linus Torvalds wrote:
> > On Mon, 3 Jul 2023 at 10:34, Marc Zyngier <maz@xxxxxxxxxx> wrote:
> >> 
> >> Comparing with what we do on arm64, a less radical change would be to
> >> move the IPI init after notify_cpu_starting(), which explicitly
> >> enables RCU usage.
> > 
> > Ack, that looks right to me.
> 
> I don't see anything wrong with it and it's passing my tests, but
> we've got a handful of ways to boot so it's all a bit messy and I
> might be messing something.
> 
> I'm still catching up a bit as I took both days off this weekend.
> Hopefully just an oversight in a bigger rafactoring, but I'll give it
> another look.
> 
> Marc: are you going to send that as a patch?

Just did [1].

Thanks,

	M.

[1] https://lore.kernel.org/r/20230703183126.1567625-1-maz@xxxxxxxxxx

-- 
Without deviation from the norm, progress is not possible.