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

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Ard Biesheuvel <ardb@xxxxxxxxxx> writes:
> On Tue, 28 Sept 2021 at 02:16, Michael Ellerman <mpe@xxxxxxxxxxxxxx> wrote:
>>
>> Michael Ellerman <mpe@xxxxxxxxxxxxxx> writes:
>> > Ard Biesheuvel <ardb@xxxxxxxxxx> writes:
>> >> On Tue, 14 Sept 2021 at 14:11, Ard Biesheuvel <ardb@xxxxxxxxxx> 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@xxxxxxxxxx>
>> >>
>> >> 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.

I don't really mind. If Kees is happy to take it then that's OK by me.

If Kees put the series in a topic branch based off rc2 then I could
merge that, and avoid any conflicts.

cheers



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