sparc64: Make %pil level 15 a pseudo-NMI.

So that we can profile code even in a local_irq_disable() section,
only write 14 (instead of 15) into the %pil register to disable IRQs.

This allows PIL level 15 to serve as a pseudo NMI.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc64/kernel/cherrs.S b/arch/sparc64/kernel/cherrs.S
index 89afebd..4ee1ad4 100644
--- a/arch/sparc64/kernel/cherrs.S
+++ b/arch/sparc64/kernel/cherrs.S
@@ -102,7 +102,7 @@
 	.type		do_cheetah_plus_data_parity,#function
 do_cheetah_plus_data_parity:
 	rdpr		%pil, %g2
-	wrpr		%g0, 15, %pil
+	wrpr		%g0, PIL_NORMAL_MAX, %pil
 	ba,pt		%xcc, etrap_irq
 	 rd		%pc, %g7
 #ifdef CONFIG_TRACE_IRQFLAGS
@@ -144,7 +144,7 @@
 	.type		do_cheetah_plus_insn_parity,#function
 do_cheetah_plus_insn_parity:
 	rdpr		%pil, %g2
-	wrpr		%g0, 15, %pil
+	wrpr		%g0, PIL_NORMAL_MAX, %pil
 	ba,pt		%xcc, etrap_irq
 	 rd		%pc, %g7
 #ifdef CONFIG_TRACE_IRQFLAGS
@@ -492,7 +492,7 @@
 	.type		c_fast_ecc,#function
 c_fast_ecc:
 	rdpr		%pil, %g2
-	wrpr		%g0, 15, %pil
+	wrpr		%g0, PIL_NORMAL_MAX, %pil
 	ba,pt		%xcc, etrap_irq
 	 rd		%pc, %g7
 #ifdef CONFIG_TRACE_IRQFLAGS
@@ -528,7 +528,7 @@
 	.type		c_cee,#function
 c_cee:
 	rdpr		%pil, %g2
-	wrpr		%g0, 15, %pil
+	wrpr		%g0, PIL_NORMAL_MAX, %pil
 	ba,pt		%xcc, etrap_irq
 	 rd		%pc, %g7
 #ifdef CONFIG_TRACE_IRQFLAGS
@@ -564,7 +564,7 @@
 	.type		c_deferred,#function
 c_deferred:
 	rdpr		%pil, %g2
-	wrpr		%g0, 15, %pil
+	wrpr		%g0, PIL_NORMAL_MAX, %pil
 	ba,pt		%xcc, etrap_irq
 	 rd		%pc, %g7
 #ifdef CONFIG_TRACE_IRQFLAGS