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    Subject[v2 PATCH 0/3] Use NMI to stop cpus
    Date
    This patch series attempts to use NMI to stop cpus instead of the
    REBOOT_VECTOR irq. The idea is to have a more robust and reliable
    way to stop cpus when serializing things like the panic path.

    More details in the changelogs.

    Don Zickus (3):
    x86, reboot: Use NMI instead of REBOOT_VECTOR to stop cpus
    x86, NMI: Add NMI IPI selftest
    x86, NMI: knob to disable using NMI IPIs to stop cpus

    Documentation/kernel-parameters.txt | 4 +
    arch/x86/Kconfig.debug | 12 +++
    arch/x86/include/asm/smp.h | 6 +
    arch/x86/kernel/Makefile | 1 +
    arch/x86/kernel/nmi_selftest.c | 179 +++++++++++++++++++++++++++++++++++
    arch/x86/kernel/smp.c | 72 ++++++++++++++-
    arch/x86/kernel/smpboot.c | 1 +
    7 files changed, 273 insertions(+), 2 deletions(-)
    create mode 100644 arch/x86/kernel/nmi_selftest.c

    --
    1.7.6.4



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