X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=arch%2Fx86%2Fkernel%2Firq_64.c;h=1f78b238d8d2cc8778520e048fe69d36a97209b2;hb=91d0322bef047e2916b3e52741411bffc63929cb;hp=6c3a3b6e5cf44c79beb8c71a912f5d17a442e2e4;hpb=87ebecf14ca4f669cb52be46c954f3d9201394b8;p=pandora-kernel.git

diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c
index 6c3a3b6e5cf4..1f78b238d8d2 100644
--- a/arch/x86/kernel/irq_64.c
+++ b/arch/x86/kernel/irq_64.c
@@ -53,11 +53,11 @@ static inline void stack_overflow_check(struct pt_regs *regs)
 	u64 curbase = (u64)task_stack_page(current);
 	static unsigned long warned = -60*HZ;
 
-	if (regs->rsp >= curbase && regs->rsp <= curbase + THREAD_SIZE &&
-	    regs->rsp <  curbase + sizeof(struct thread_info) + 128 &&
+	if (regs->sp >= curbase && regs->sp <= curbase + THREAD_SIZE &&
+	    regs->sp <  curbase + sizeof(struct thread_info) + 128 &&
 	    time_after(jiffies, warned + 60*HZ)) {
-		printk("do_IRQ: %s near stack overflow (cur:%Lx,rsp:%lx)\n",
-		       current->comm, curbase, regs->rsp);
+		printk("do_IRQ: %s near stack overflow (cur:%Lx,sp:%lx)\n",
+		       current->comm, curbase, regs->sp);
 		show_stack(NULL,NULL);
 		warned = jiffies;
 	}
@@ -135,6 +135,7 @@ skip:
 			seq_printf(p, "%10u ", cpu_pda(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 ", cpu_pda(j)->irq_thermal_count);
@@ -143,6 +144,7 @@ skip:
 		for_each_online_cpu(j)
 			seq_printf(p, "%10u ", cpu_pda(j)->irq_threshold_count);
 		seq_printf(p, "  Threshold APIC interrupts\n");
+#endif
 		seq_printf(p, "SPU: ");
 		for_each_online_cpu(j)
 			seq_printf(p, "%10u ", cpu_pda(j)->irq_spurious_count);
@@ -152,6 +154,32 @@ skip:
 	return 0;
 }
 
+/*
+ * /proc/stat helpers
+ */
+u64 arch_irq_stat_cpu(unsigned int cpu)
+{
+	u64 sum = cpu_pda(cpu)->__nmi_count;
+
+	sum += cpu_pda(cpu)->apic_timer_irqs;
+#ifdef CONFIG_SMP
+	sum += cpu_pda(cpu)->irq_resched_count;
+	sum += cpu_pda(cpu)->irq_call_count;
+	sum += cpu_pda(cpu)->irq_tlb_count;
+#endif
+#ifdef CONFIG_X86_MCE
+	sum += cpu_pda(cpu)->irq_thermal_count;
+	sum += cpu_pda(cpu)->irq_threshold_count;
+#endif
+	sum += cpu_pda(cpu)->irq_spurious_count;
+	return sum;
+}
+
+u64 arch_irq_stat(void)
+{
+	return atomic_read(&irq_err_count);
+}
+
 /*
  * do_IRQ handles all normal device IRQ's (the special
  * SMP cross-CPU interrupts have their own specific
@@ -162,7 +190,7 @@ asmlinkage unsigned int do_IRQ(struct pt_regs *regs)
 	struct pt_regs *old_regs = set_irq_regs(regs);
 
 	/* high bit used in ret_from_ code  */
-	unsigned vector = ~regs->orig_rax;
+	unsigned vector = ~regs->orig_ax;
 	unsigned irq;
 
 	exit_idle();