[PATCH 0/2] x86/64: espfix64 cleanups and testing

[Andy Lutomirski]

This tidies up ESPFIX a bit and improves the test case slightly.

Andy Lutomirski (2):
  selftests/x86/sigreturn: Use CX, not AX, as the scratch register
  x86/entry/64: Clean up and document espfix64 stack setup

 arch/x86/entry/entry_64.S               | 64 +++++++++++++++++++++++++++------
 tools/testing/selftests/x86/sigreturn.c | 16 ++++-----
 2 files changed, 61 insertions(+), 19 deletions(-)

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2.7.4