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SubjectRe: [PATCH 0/6] x86-64: Remove global variables from boot
On Thu, Feb 23, 2023 at 8:44 AM David Woodhouse <dwmw2@infradead.org> wrote:
>
> On Wed, 2023-02-22 at 17:12 -0500, Brian Gerst wrote:
> > This is on top of the parallel boot v10 series.
> >
> > Remove the global variables initial_gs, initial_stack, and
> > early_gdt_descr from the 64-bit boot code. The stack, GDT, and GSBASE
> > can be determined from the CPU number.
> >
> > Brian Gerst (6):
> > x86/smpboot: Use CPU number instead of APIC ID for single CPU startup
> > x86/smpboot: Use current_task to get idle thread
>
>
> I think those first two should be folded into the 'x86/smpboot: Support
> parallel startup of secondary CPUs' patch rather than follow-on
> patches?

Yes, that makes sense.

> > x86/smpboot: Remove initial_stack on 64-bit
> > x86/smpbppt: Remove early_gdt_descr on 64-bit
> > x86/smpboot: Remove initial_gs
> > x86/smpboot: Simplify boot CPU setup
>
> Those four probably make sense to come separately. For each of them,
>
> Reviewed-by: David Woodhouse <dwmw@amazon.co.uk>
>
> I've pulled in the v10 series from Usama, squashed the first two as I
> suggested, added the last four on top to do some testing:
> https://git.infradead.org/users/dwmw2/linux.git/shortlog/refs/heads/parallel-6.2-rc8-part1

Looks good. I noticed a typo in the commit log of the last patch
(dynammically -> dynamically). Can you fix that or should I resend?

Thanks

--
Brian Gerst

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