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    Subject[PATCH -rt 1/4] x86_64: send NMI after nmi_show_regs on
    From: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>

    The flags nmi_show_regs should be set before send NMI.

    Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
    ---
    arch/x86/kernel/nmi_64.c | 4 ++--
    1 files changed, 2 insertions(+), 2 deletions(-)

    diff --git a/arch/x86/kernel/nmi_64.c b/arch/x86/kernel/nmi_64.c
    index d187ab9..69cc737 100644
    --- a/arch/x86/kernel/nmi_64.c
    +++ b/arch/x86/kernel/nmi_64.c
    @@ -327,11 +327,11 @@ void nmi_show_all_regs(void)
    if (system_state == SYSTEM_BOOTING)
    return;

    - smp_send_nmi_allbutself();
    -
    for_each_online_cpu(i)
    nmi_show_regs[i] = 1;

    + smp_send_nmi_allbutself();
    +
    for_each_online_cpu(i) {
    while (nmi_show_regs[i] == 1)
    barrier();
    --
    1.5.4.1

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