[PATCH v2 0/2] x86_64: Sigcontext improvements

[Andy Lutomirski]

Patch 1 is IMO a bug fix.

Patch 2 is a cleanup and avoids some confusion.  It's also sort of an
API break (no ABI change) because it removes a struct field.  But that
struct field has never done anything at all as far as I can tell.

AFAICT this series got bogged down in discussion about patch 2 last
time.  I'm only including patch 2 for completeness here -- patch 1
is IMO far more useful, and I'm fine with patch 1 being merged and
tabling patch 2 again.

Changes from v1:
 - Add the __USER_DS fix, caught by my sigreturn test.
 - Re-tested locally.

Andy Lutomirski (2):
  x86_64,signal: Fix SS handling for signals delivered to 64-bit
    programs
  x86_64,signal: Remove 'fs' and 'gs' from sigcontext

 arch/x86/include/asm/sigcontext.h      |  6 +++---
 arch/x86/include/uapi/asm/sigcontext.h |  6 +++---
 arch/x86/kernel/signal.c               | 24 +++++++++++++-----------
 3 files changed, 19 insertions(+), 17 deletions(-)

-- 
2.3.0

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