Re: [v1 0/5] allow to reserve memory for normal kexec kernel
From: Pavel Tatashin
Date: Tue Jul 09 2019 - 09:08:09 EST
> > Enabling MMU and D-Cache for relocation would essentially require the
> > same changes in kernel. Could you please share exactly why these were
> > not accepted upstream into kexec-tools?
> Because '--no-checks' is a much simpler alternative.
> More of the discussion:
> While you can make purgatory a fully-fledged operating system, it doesn't really need to
> do anything on arm64. Errata-workarounds alone are a reason not do start down this path.
Thank you James. I will summaries the information gathered from the
yesterday's/today's discussion and add it to the cover letter together
with ARM64 tag. I think, the patch series makes sense for ARM64 only,
unless there are other platforms that disable caching/MMU during