[RFC PATCH 4/8] powerpc: add CPU field to struct thread_info

[Ard Biesheuvel]

On Tue, 28 Sept 2021 at 02:16, Michael Ellerman <mpe at ellerman.id.au> wrote:
>
> Michael Ellerman <mpe at ellerman.id.au> writes:
> > Ard Biesheuvel <ardb at kernel.org> writes:
> >> On Tue, 14 Sept 2021 at 14:11, Ard Biesheuvel <ardb at kernel.org> wrote:
> >>>
> >>> The CPU field will be moved back into thread_info even when
> >>> THREAD_INFO_IN_TASK is enabled, so add it back to powerpc's definition
> >>> of struct thread_info.
> >>>
> >>> Signed-off-by: Ard Biesheuvel <ardb at kernel.org>
> >>
> >> Michael,
> >>
> >> Do you have any objections or issues with this patch or the subsequent
> >> ones cleaning up the task CPU kludge for ppc32? Christophe indicated
> >> that he was happy with it.
> >
> > No objections, it looks good to me, thanks for cleaning up that horror :)
> >
> > It didn't apply cleanly to master so I haven't tested it at all, if you can point me at a
> > git tree with the dependencies I'd be happy to run some tests over it.
>
> Actually I realised I can just drop the last patch.
>
> So that looks fine, passes my standard quick build & boot on qemu tests,
> and builds with/without stack protector enabled.
>

Thanks.

Do you have any opinion on how this series should be merged? Kees Cook
is willing to take them via his cross-arch tree, or you could carry
them if you prefer. Taking it via multiple trees at the same time is
going to be tricky, or take two cycles, with I'd prefer to avoid.

-- 
Ard.