[PATCH v2 0/5] beautify EFI memmap logs

Matt Fleming matt at console-pimps.org
Wed Sep 3 06:18:18 PDT 2014

On Wed, 03 Sep, at 03:01:31PM, Ard Biesheuvel wrote:
> Tested-by: Ard Biesheuvel <ard.biesheuvel at linaro.org>
> (on arm64 only)
> +1 for aligning between architectures
> +1 for cleaning up the output to make it more readable
Thanks Ard.

> The only thing I am not entirely convinced about is printing all those
> memory attributes: is it really so interesting to know that region X
> /can/ be configured as writeback, write through, write combining etc
> etc, as most regions seem to support most attributes, yet it tells you
> nothing about what the kernel ends up doing with that information. In
> the arm64 case, for instance, all MEMORY_WB ranges are mapped
> writeback cached, and everything else is mapped uncached.

Personally, I think it's good to get an unadulterated version of the
firmware memory map (for vicarious debugging) before the kernel has a
chance to mess with it.

Matt Fleming, Intel Open Source Technology Center

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