Re: [PATCH v3 0/3] SRF: Fix offline CPU preventing pc6 entry
From: Peter Zijlstra
Date: Tue Nov 12 2024 - 06:45:56 EST
On Fri, Nov 08, 2024 at 01:29:06PM +0100, Patryk Wlazlyn wrote:
> Removing the existing "kexec hack" by bringing all offlined CPUs back
> online before proceeding with the kexec would make it even simpler, but
> I am not sure we can do that. It looks kind of obvious to me, but for
> some reason the hack exist.
There's a comment there that explains why this is done. If you don't
understand this, then please don't touch this code.