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

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On Thu, Mar 19, 2020 at 01:36:56PM +0100, Christophe Leroy wrote:
> You sent it twice ? Any difference between the two dispatch ?
Some headers were broken the first time around.

Thanks

Michal
> 
> Christophe
> 
> Le 19/03/2020 à 13:19, Michal Suchanek a écrit :
> > 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
> > 
> > Michal Suchanek (8):
> >    powerpc: Add back __ARCH_WANT_SYS_LLSEEK macro
> >    powerpc: move common register copy functions from signal_32.c to
> >      signal.c
> >    powerpc/perf: consolidate read_user_stack_32
> >    powerpc/perf: consolidate valid_user_sp
> >    powerpc/64: make buildable without CONFIG_COMPAT
> >    powerpc/64: Make COMPAT user-selectable disabled on littleendian by
> >      default.
> >    powerpc/perf: split callchain.c by bitness
> >    MAINTAINERS: perf: Add pattern that matches ppc perf to the perf
> >      entry.
> > 
> >   MAINTAINERS                            |   2 +
> >   arch/powerpc/Kconfig                   |   5 +-
> >   arch/powerpc/include/asm/thread_info.h |   4 +-
> >   arch/powerpc/include/asm/unistd.h      |   1 +
> >   arch/powerpc/kernel/Makefile           |   6 +-
> >   arch/powerpc/kernel/entry_64.S         |   2 +
> >   arch/powerpc/kernel/signal.c           | 144 +++++++++-
> >   arch/powerpc/kernel/signal_32.c        | 140 ----------
> >   arch/powerpc/kernel/syscall_64.c       |   6 +-
> >   arch/powerpc/kernel/vdso.c             |   3 +-
> >   arch/powerpc/perf/Makefile             |   5 +-
> >   arch/powerpc/perf/callchain.c          | 356 +------------------------
> >   arch/powerpc/perf/callchain.h          |  20 ++
> >   arch/powerpc/perf/callchain_32.c       | 196 ++++++++++++++
> >   arch/powerpc/perf/callchain_64.c       | 174 ++++++++++++
> >   fs/read_write.c                        |   3 +-
> >   16 files changed, 556 insertions(+), 511 deletions(-)
> >   create mode 100644 arch/powerpc/perf/callchain.h
> >   create mode 100644 arch/powerpc/perf/callchain_32.c
> >   create mode 100644 arch/powerpc/perf/callchain_64.c
> > 



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