Messages in this thread Patch in this message | | | Date | Mon, 28 Apr 2008 11:14:39 -0700 | From | Hiroshi Shimamoto <> | Subject | [PATCH -rt 1/4] x86_64: send NMI after nmi_show_regs on |
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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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