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SubjectRe: [PATCH v11 0/8] Disable compat cruft on ppc64le v11
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

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.

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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