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From:   Michael Ellerman <mpe@ellerman.id.au>
To:     Nicholas Piggin <npiggin@gmail.com>,
        Christophe Leroy <christophe.leroy@c-s.fr>,
        linuxppc-dev@lists.ozlabs.org, Michal Suchanek <msuchanek@suse.de>
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Subject: Re: [PATCH v11 0/8] Disable compat cruft on ppc64le v11
In-Reply-To: <1585906885.3dbukubyr8.astroid@bobo.none>
References: <20200225173541.1549955-1-npiggin@gmail.com> <cover.1584620202.git.msuchanek@suse.de> <1585898335.tckaz04a6x.astroid@bobo.none> <1e00a725-9710-2b80-4aff-2f284b31d2e5@c-s.fr> <1585906885.3dbukubyr8.astroid@bobo.none>
Date:   Sun, 05 Apr 2020 10:40:38 +1000
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Nicholas Piggin <npiggin@gmail.com> writes:
> Christophe Leroy's on April 3, 2020 5:26 pm:
>> Le 03/04/2020 =C3=A0 09:25, Nicholas Piggin a =C3=A9crit=C2=A0:
>>> Michal Suchanek's on March 19, 2020 10:19 pm:
>>>> Less code means less bugs so add a knob to skip the compat stuff.
>>>>
>>>> Changes in v2: saner CONFIG_COMPAT ifdefs
>>>> Changes in v3:
>>>>   - change llseek to 32bit instead of builing it unconditionally in fs
>>>>   - clanup the makefile conditionals
>>>>   - remove some ifdefs or convert to IS_DEFINED where possible
>>>> Changes in v4:
>>>>   - cleanup is_32bit_task and current_is_64bit
>>>>   - more makefile cleanup
>>>> Changes in v5:
>>>>   - more current_is_64bit cleanup
>>>>   - split off callchain.c 32bit and 64bit parts
>>>> Changes in v6:
>>>>   - cleanup makefile after split
>>>>   - consolidate read_user_stack_32
>>>>   - fix some checkpatch warnings
>>>> Changes in v7:
>>>>   - add back __ARCH_WANT_SYS_LLSEEK to fix build with llseek
>>>>   - remove leftover hunk
>>>>   - add review tags
>>>> Changes in v8:
>>>>   - consolidate valid_user_sp to fix it in the split callchain.c
>>>>   - fix build errors/warnings with PPC64 !COMPAT and PPC32
>>>> Changes in v9:
>>>>   - remove current_is_64bit()
>>>> Chanegs in v10:
>>>>   - rebase, sent together with the syscall cleanup
>>>> Changes in v11:
>>>>   - rebase
>>>>   - add MAINTAINERS pattern for ppc perf
>>>=20
>>> These all look good to me. I had some minor comment about one patch but
>>> not really a big deal and there were more cleanups on top of it, so I
>>> don't mind if it's merged as is.
>>>=20
>>> Actually I think we have a bit of stack reading fixes for 64s radix now
>>> (not a bug fix as such, but we don't need the hash fault logic in radix=
),
>>> so if I get around to that I can propose the changes in that series.
>>>=20
>>=20
>> As far as I can see, there is a v12
>
> For the most part I was looking at the patches in mpe's next-test
> tree on github, if that's the v12 series, same comment applies but
> it's a pretty small nitpick.

Yeah I have v12 in my tree.

This has floated around long enough (our fault), so I'm going to take it
and we can fix anything up later.

cheers