Re: [RFC PATCH 0/5] Add smp booting support for Qualcomm ARMv8 SoCs

From: Lorenzo Pieralisi
Date: Fri Apr 10 2015 - 07:03:36 EST


On Thu, Apr 09, 2015 at 06:37:06PM +0100, Kumar Gala wrote:
> This patch set adds support for SMP boot on the MSM8x16 family of Qualcomm SoCs.
>
> To support SMP on the MSM8x16 SoCs we need to add ARMv8/64-bit SCM interfaces to
> setup the boot/release addresses for the secondary CPUs. In addition we need
> a uniquie set of cpu ops. I'm aware the desired methods for booting secondary
> CPUs is either via spintable or PSCI. However, these SoCs are shipping with a
> firmware that does not support those methods.

Why ? Do not tell me you were not aware of those standard methods,
because I can't believe you.

If there were additional features to add to spin-table and PSCI,
you were, you are and you will always be welcome to debate them.

There is no justification for this patchset, honestly.

Lorenzo
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