From: Don Zickus Date: Tue, 4 Dec 2007 16:19:07 +0000 (+0100) Subject: x86: add the word 'WARNING' in check_nmi_watchdog() output X-Git-Tag: v2.6.24-rc5~112^2~2 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=75bc122c2dc4d497909248e85d86139e54c8fd13;p=platform%2Fkernel%2Flinux-3.10.git x86: add the word 'WARNING' in check_nmi_watchdog() output Our automated test suite looks for keywords like error, fail, warning in the boot log. In the case when the nmi watchdog is determined to be stuck in check_nmi_watchdog(), none of those keywords are displayed. This patch adds a keyword, "WARNING:", so it makes it easier to notice when the nmi watchdog isn't working correctly. Also add a proper KERN_WARNING mark to this printout. Signed-off-by: Don Zickus Signed-off-by: Ingo Molnar Signed-off-by: Thomas Gleixner --- diff --git a/arch/x86/kernel/nmi_32.c b/arch/x86/kernel/nmi_32.c index f5cc47c..80ca72e 100644 --- a/arch/x86/kernel/nmi_32.c +++ b/arch/x86/kernel/nmi_32.c @@ -106,7 +106,8 @@ static int __init check_nmi_watchdog(void) if (!per_cpu(wd_enabled, cpu)) continue; if (nmi_count(cpu) - prev_nmi_count[cpu] <= 5) { - printk("CPU#%d: NMI appears to be stuck (%d->%d)!\n", + printk(KERN_WARNING "WARNING: CPU#%d: NMI " + "appears to be stuck (%d->%d)!\n", cpu, prev_nmi_count[cpu], nmi_count(cpu)); diff --git a/arch/x86/kernel/nmi_64.c b/arch/x86/kernel/nmi_64.c index a576fd7..4253c4e 100644 --- a/arch/x86/kernel/nmi_64.c +++ b/arch/x86/kernel/nmi_64.c @@ -109,7 +109,8 @@ int __init check_nmi_watchdog (void) if (!per_cpu(wd_enabled, cpu)) continue; if (cpu_pda(cpu)->__nmi_count - counts[cpu] <= 5) { - printk("CPU#%d: NMI appears to be stuck (%d->%d)!\n", + printk(KERN_WARNING "WARNING: CPU#%d: NMI " + "appears to be stuck (%d->%d)!\n", cpu, counts[cpu], cpu_pda(cpu)->__nmi_count);