X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=arch%2Fx86%2Fkernel%2Firq_32.c;h=468acd04aa2ec12d3907145e005e28dd9776337f;hb=a2eddfa95919a730e0e5ed17e9c303fe5ba249cd;hp=6ea67b76a21452f3b7ffacdec52ae8b155f2a21a;hpb=77bf90ed66116a1fc0e2f0554ecac75a54290cc0;p=linux-2.6

diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c
index 6ea67b76a2..468acd04aa 100644
--- a/arch/x86/kernel/irq_32.c
+++ b/arch/x86/kernel/irq_32.c
@@ -134,7 +134,7 @@ unsigned int do_IRQ(struct pt_regs *regs)
 			: "=a" (arg1), "=d" (arg2), "=b" (bx)
 			:  "0" (irq),   "1" (desc),  "2" (isp),
 			   "D" (desc->handle_irq)
-			: "memory", "cc"
+			: "memory", "cc", "ecx"
 		);
 	} else
 #endif
@@ -190,8 +190,6 @@ void irq_ctx_exit(int cpu)
 	hardirq_ctx[cpu] = NULL;
 }
 
-extern asmlinkage void __do_softirq(void);
-
 asmlinkage void do_softirq(void)
 {
 	unsigned long flags;
@@ -315,16 +313,20 @@ skip:
 				per_cpu(irq_stat,j).irq_tlb_count);
 		seq_printf(p, "  TLB shootdowns\n");
 #endif
+#ifdef CONFIG_X86_MCE
 		seq_printf(p, "TRM: ");
 		for_each_online_cpu(j)
 			seq_printf(p, "%10u ",
 				per_cpu(irq_stat,j).irq_thermal_count);
 		seq_printf(p, "  Thermal event interrupts\n");
+#endif
+#ifdef CONFIG_X86_LOCAL_APIC
 		seq_printf(p, "SPU: ");
 		for_each_online_cpu(j)
 			seq_printf(p, "%10u ",
 				per_cpu(irq_stat,j).irq_spurious_count);
 		seq_printf(p, "  Spurious interrupts\n");
+#endif
 		seq_printf(p, "ERR: %10u\n", atomic_read(&irq_err_count));
 #if defined(CONFIG_X86_IO_APIC)
 		seq_printf(p, "MIS: %10u\n", atomic_read(&irq_mis_count));
@@ -333,6 +335,40 @@ skip:
 	return 0;
 }
 
+/*
+ * /proc/stat helpers
+ */
+u64 arch_irq_stat_cpu(unsigned int cpu)
+{
+	u64 sum = nmi_count(cpu);
+
+#ifdef CONFIG_X86_LOCAL_APIC
+	sum += per_cpu(irq_stat, cpu).apic_timer_irqs;
+#endif
+#ifdef CONFIG_SMP
+	sum += per_cpu(irq_stat, cpu).irq_resched_count;
+	sum += per_cpu(irq_stat, cpu).irq_call_count;
+	sum += per_cpu(irq_stat, cpu).irq_tlb_count;
+#endif
+#ifdef CONFIG_X86_MCE
+	sum += per_cpu(irq_stat, cpu).irq_thermal_count;
+#endif
+#ifdef CONFIG_X86_LOCAL_APIC
+	sum += per_cpu(irq_stat, cpu).irq_spurious_count;
+#endif
+	return sum;
+}
+
+u64 arch_irq_stat(void)
+{
+	u64 sum = atomic_read(&irq_err_count);
+
+#ifdef CONFIG_X86_IO_APIC
+	sum += atomic_read(&irq_mis_count);
+#endif
+	return sum;
+}
+
 #ifdef CONFIG_HOTPLUG_CPU
 #include <mach_apic.h>