sparc64: Hook up trigger_all_cpu_backtrace().
We already have code that does this, but it is only currently attached
to sysrq-'y'.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/include/asm/irq_64.h b/arch/sparc/include/asm/irq_64.h
index 0bb9bf5..3473e25 100644
--- a/arch/sparc/include/asm/irq_64.h
+++ b/arch/sparc/include/asm/irq_64.h
@@ -90,4 +90,7 @@
return retval;
}
+void __trigger_all_cpu_backtrace(void);
+#define trigger_all_cpu_backtrace() __trigger_all_cpu_backtrace()
+
#endif
diff --git a/arch/sparc64/kernel/process.c b/arch/sparc64/kernel/process.c
index fc8137a..e1eff41 100644
--- a/arch/sparc64/kernel/process.c
+++ b/arch/sparc64/kernel/process.c
@@ -300,7 +300,6 @@
#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 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 @@
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",