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>

1 files changed, 2 insertions, 2 deletions

diff --git a/arch/sparc/mm/ultra.S b/arch/sparc/mm/ultra.S
index e4c146f7c7e9..80c788ec7c32 100644
--- a/arch/sparc/mm/ultra.S
+++ b/arch/sparc/mm/ultra.S
@@ -466,7 +466,7 @@ xcall_sync_tick:
         .previous
 
         rdpr            %pil, %g2
-        wrpr            %g0, 15, %pil
+        wrpr            %g0, PIL_NORMAL_MAX, %pil
         sethi           %hi(109f), %g7
         b,pt            %xcc, etrap_irq
 109:     or             %g7, %lo(109b), %g7
@@ -688,7 +688,7 @@ xcall_kgdb_capture:
         .previous
 
         rdpr            %pil, %g2
-        wrpr            %g0, 15, %pil
+        wrpr            %g0, PIL_NORMAL_MAX, %pil
         sethi           %hi(109f), %g7
         ba,pt           %xcc, etrap_irq
 109:     or             %g7, %lo(109b), %g7