Merge branch 'for-linus' of ssh://master.kernel.org/pub/scm/linux/kernel/git/ieee1394...

[pandora-kernel.git] / arch / i386 / kernel / nmi.c

diff --git a/arch/i386/kernel/nmi.c b/arch/i386/kernel/nmi.c
index b11abac..821df34 100644 (file)
--- a/arch/i386/kernel/nmi.c
+++ b/arch/i386/kernel/nmi.c
@@ -23,6 +23,7 @@
 #include <linux/dmi.h>
 #include <linux/kprobes.h>
 #include <linux/cpumask.h>
+#include <linux/kernel_stat.h>
 
 #include <asm/smp.h>
 #include <asm/nmi.h>
@@ -185,7 +186,8 @@ static __cpuinit inline int nmi_known_cpu(void)
 {
        switch (boot_cpu_data.x86_vendor) {
        case X86_VENDOR_AMD:
-               return ((boot_cpu_data.x86 == 15) || (boot_cpu_data.x86 == 6));
+               return ((boot_cpu_data.x86 == 15) || (boot_cpu_data.x86 == 6)
+                       || (boot_cpu_data.x86 == 16));
        case X86_VENDOR_INTEL:
                if (cpu_has(&boot_cpu_data, X86_FEATURE_ARCH_PERFMON))
                        return 1;
@@ -817,7 +819,8 @@ void setup_apic_nmi_watchdog (void *unused)
        if (nmi_watchdog == NMI_LOCAL_APIC) {
                switch (boot_cpu_data.x86_vendor) {
                case X86_VENDOR_AMD:
-                       if (boot_cpu_data.x86 != 6 && boot_cpu_data.x86 != 15)
+                       if (boot_cpu_data.x86 != 6 && boot_cpu_data.x86 != 15 &&
+                               boot_cpu_data.x86 != 16)
                                return;
                        if (!setup_k7_watchdog())
                                return;
@@ -971,9 +974,13 @@ __kprobes int nmi_watchdog_tick(struct pt_regs * regs, unsigned reason)
                cpu_clear(cpu, backtrace_mask);
        }
 
-       sum = per_cpu(irq_stat, cpu).apic_timer_irqs;
+       /*
+        * Take the local apic timer and PIT/HPET into account. We don't
+        * know which one is active, when we have highres/dyntick on
+        */
+       sum = per_cpu(irq_stat, cpu).apic_timer_irqs + kstat_irqs(0);
 
-       /* if the apic timer isn't firing, this cpu isn't doing much */
+       /* if the none of the timers isn't firing, this cpu isn't doing much */
        if (!touched && last_irq_sums[cpu] == sum) {
                /*
                 * Ayiee, looks like this CPU is stuck ...