On Fri, Jul 24, 2015 at 10:57:04PM -0700, Andy Lutomirski wrote:
> This will allow IRQ stacks to nest inside NMIs or similar entries
> that can happen during IRQ stack setup or teardown.
>
> The Xen code here has a confusing comment.
>
> The new macros won't work correctly if they're invoked with IRQs on.
> Add a check under CONFIG_DEBUG_ENTRY to detect that.
>
> Signed-off-by: Andy Lutomirski <l...@kernel.org>
> ---
> arch/x86/Kconfig.debug | 2 -
> arch/x86/entry/entry_64.S | 89
> +++++++++++++++++++++++++++++---------------
> arch/x86/kernel/process_64.c | 4 ++
> 3 files changed, 63 insertions(+), 32 deletions(-)
What does that apply against?
I get conflicts against current Linus master:
$ patch -p1 --dry-run -i
/tmp/0001-x86-entry-64-refactor_irq_stacks_and_make_them_nmi-safe.patch
checking file arch/x86/Kconfig.debug
checking file arch/x86/entry/entry_64.S
Hunk #1 succeeded at 544 (offset 54 lines).
Hunk #2 FAILED at 568.
Hunk #3 FAILED at 598.
Hunk #4 succeeded at 1012 (offset 99 lines).
Hunk #5 succeeded at 1033 (offset 99 lines).
2 out of 5 hunks FAILED
checking file arch/x86/kernel/process_64.c
--
Regards/Gruss,
Boris.
ECO tip #101: Trim your mails when you reply.
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