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SubjectRe: [PATCH 0/8] x86 signal code cleanups
Brian Gerst <brgerst@gmail.com> writes:

> The 32-bit signal code has significant differences from 64-bit, and
> those are duplicated for native and compat modes. This patch series
> merges the 32-bit code into one file, and does some general cleanups
> in the x86 signal code. There should be no functional changes.

At a quick skim I don't see anything scary in there.

Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>

> Brian Gerst (8):
> x86/signal: Remove sig parameter from frame setup functions
> x86/signal: Remove sigset_t parameter from frame setup functions
> signal/compat: Remove compat_sigset_t override
> x86: Remove __USER32_DS
> x86/signal: Merge get_sigframe()
> x86/signal: Add ABI prefixes to frame setup functions
> x86/signal/32: Merge native and compat 32-bit signal code
> x86/signal/64: Move 64-bit signal code to its own file
>
> arch/x86/entry/entry_64_compat.S | 4 +-
> arch/x86/ia32/Makefile | 2 -
> arch/x86/include/asm/elf.h | 4 -
> arch/x86/include/asm/fpu/signal.h | 7 -
> arch/x86/include/asm/segment.h | 2 +-
> arch/x86/include/asm/sighandling.h | 9 +
> arch/x86/include/asm/signal.h | 5 -
> arch/x86/kernel/Makefile | 4 +-
> arch/x86/kernel/signal.c | 654 +-----------------
> .../ia32_signal.c => kernel/signal_32.c} | 117 ++--
> arch/x86/kernel/signal_64.c | 383 ++++++++++
> arch/x86/xen/xen-asm.S | 8 +-
> include/linux/compat.h | 2 -
> include/linux/syscalls.h | 2 +
> 14 files changed, 493 insertions(+), 710 deletions(-)
> rename arch/x86/{ia32/ia32_signal.c => kernel/signal_32.c} (82%)
> create mode 100644 arch/x86/kernel/signal_64.c

Eric

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