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    Subject[PATCH 0/2 v2] x86, reboot: cleanup NMI and REBOOT_IRQ
    After dealing with pstore conversations about spin locks, I had an idea
    to simplify the native_smp_stop_other_cpus() path by using both REBOOT_IRQ
    and NMI instead of using either or.

    I also cleaned up a WARN_ON splat from rescheduling.

    Tested 10 panics on my core2 quad using 'echo c > /proc/sysrq-trigger' and
    panic=10 on the commandline. The machine panic'd and rebooted succesfully
    all 10 times. Though only the first time did I see the WARN_ON splat, the
    other 9 times I couldn't duplicate it.

    Don Zickus (2):
    x86, reboot: revert stop_other_cpus to using IRQ with NMI fallback
    x86, reschedule: check to see if system is shutting down

    arch/x86/kernel/smp.c | 103 +++++++++++++++++++++++--------------------------
    1 files changed, 48 insertions(+), 55 deletions(-)


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      Last update: 2012-02-13 21:31    [W:0.023 / U:0.104 seconds]
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