Re: [PATCH v1] arm64/mm: Fix Boot panic on Ampere Altra

[Will Deacon]

On Tue, Feb 25, 2025 at 07:05:35PM +0100, Ard Biesheuvel wrote:
> Apologies for the breakage, and thanks for the fix.
> 
> I have to admit that I was a bit overzealous here: there is no point
> yet in using the sanitised value, given that we don't actually
> override the PA range in the first place. This is something I've
> prototyped for Android use, so that linear map randomization can be
> force enabled on CPUs with a wide PArange, but right now, mainline
> does not have that capability, and so I'd be inclined to just revert
> the hunk that introduces the call to read_sanitised_ftr_reg() into
> arm64_memblock_init(), especially given the fact that commit
> 62cffa496aac was tagged for stable, and was already pulled into 6.13
> and 6.12
> 
> In any case, it would be good if we could get a fix into Linus's tree asap

Makes sense. So the patch below?

Will

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