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SubjectRe: [PATCH v11 0/8] Disable compat cruft on ppc64le v11
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You sent it twice ? Any difference between the two dispatch ?

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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