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Date:   Fri, 03 Apr 2020 17:25:13 +1000
From:   Nicholas Piggin <npiggin@gmail.com>
Subject: Re: [PATCH v11 0/8] Disable compat cruft on ppc64le v11
To:     linuxppc-dev@lists.ozlabs.org, Michal Suchanek <msuchanek@suse.de>
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Michal Suchanek's on March 19, 2020 10:19 pm:
> Less code means less bugs so add a knob to skip the compat stuff.
>=20
> 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

These all look good to me. I had some minor comment about one patch but=20
not really a big deal and there were more cleanups on top of it, so I=20
don't mind if it's merged as is.

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.

Thanks,
Nick
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