---

yaml --- r: 107504 b: refs/heads/master c: 09ee167 h: refs/heads/master v: v3
git-mirror · Jul 31, 2008 · da5edef · da5edef
1 parent b295a27
commit da5edef
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Showing 3 changed files with 12 additions and 3 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 5afe27380bc42454254c9c83c045240249c15e35
+refs/heads/master: 09ee167cbf3b7390c993c6699ce9fa84e55422bf
diff --git a/trunk/arch/sparc/include/asm/irq_64.h b/trunk/arch/sparc/include/asm/irq_64.h
@@ -90,4 +90,7 @@ static inline unsigned long get_softint(void)
 	return retval;
 }
 
+void __trigger_all_cpu_backtrace(void);
+#define trigger_all_cpu_backtrace() __trigger_all_cpu_backtrace()
+
 #endif
diff --git a/trunk/arch/sparc64/kernel/process.c b/trunk/arch/sparc64/kernel/process.c
@@ -300,7 +300,6 @@ void show_regs(struct pt_regs *regs)
 #endif
 }
 
-#ifdef CONFIG_MAGIC_SYSRQ
 struct global_reg_snapshot global_reg_snapshot[NR_CPUS];
 static DEFINE_SPINLOCK(global_reg_snapshot_lock);
 
@@ -362,7 +361,7 @@ static void __global_reg_poll(struct global_reg_snapshot *gp)
 	}
 }
 
-static void sysrq_handle_globreg(int key, struct tty_struct *tty)
+void __trigger_all_cpu_backtrace(void)
 {
 	struct thread_info *tp = current_thread_info();
 	struct pt_regs *regs = get_irq_regs();
@@ -412,6 +411,13 @@ static void sysrq_handle_globreg(int key, struct tty_struct *tty)
 	spin_unlock_irqrestore(&global_reg_snapshot_lock, flags);
 }
 
+#ifdef CONFIG_MAGIC_SYSRQ
+
+static void sysrq_handle_globreg(int key, struct tty_struct *tty)
+{
+	__trigger_all_cpu_backtrace();
+}
+
 static struct sysrq_key_op sparc_globalreg_op = {
 	.handler	= sysrq_handle_globreg,
 	.help_msg	= "Globalregs",