[PATCH 0/2] irqstack changes for Josh

[Andy Lutomirski]

Patch 1 consolidates code and patch 2 fixes a glitch that Josh noticed.
These could go straight to -tip, but it may make more sense for Josh
to add them to his undwarf series.

P.S. Should undwarf be called balrog instead?  It seems that Josh has
been delving very deeply indeed lately.

Andy Lutomirski (2):
  x86/entry/64: Refactor IRQ stacks and make them NMI-safe
  x86/entry/64: Initialize the top of the IRQ stack before switching
    stacks

 arch/x86/Kconfig.debug       |   2 -
 arch/x86/entry/entry_64.S    | 107 +++++++++++++++++++++++++++++++++----------
 arch/x86/kernel/process_64.c |   3 ++
 3 files changed, 86 insertions(+), 26 deletions(-)

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2.9.4