[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [PATCH v3 08/10] x86/mtrr: let cache_aps_delayed_init replace mtrr_aps_delayed_init
On Thu, Sep 29, 2022 at 10:26:59AM +0200, Juergen Gross wrote:
> So right now I'm inclined to be better on the safe side by not adding any
> cpu hotplug hook, but to use just the same "delayed AP init" flag as today,
> just renaming it. This would leave the delayed MTRR/PAT init in place for
> resume and kexec cases, but deferring the MTRR/PAT cleanup due to this
> potential issue seems not appropriate, as the cleanup isn't changing the
> behavior here.
Ok, what's wrong with adding a special hotplug level just for that thing
and running it very early? Practically pretty much where it was in time,
in identify_secondary_cpu()?
Having a special one is warranted, as you explain, I'd say.
Thx.
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
|
