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/sparc/include/asm/irqflags_64.h b/arch/sparc/include/asm/irqflags_64.h
index bb42e59..8b49bf9 100644
--- a/arch/sparc/include/asm/irqflags_64.h
+++ b/arch/sparc/include/asm/irqflags_64.h
@@ -10,6 +10,8 @@
#ifndef _ASM_IRQFLAGS_H
#define _ASM_IRQFLAGS_H
+#include <asm/pil.h>
+
#ifndef __ASSEMBLY__
static inline unsigned long __raw_local_save_flags(void)
@@ -40,9 +42,9 @@
static inline void raw_local_irq_disable(void)
{
__asm__ __volatile__(
- "wrpr 15, %%pil"
+ "wrpr %0, %%pil"
: /* no outputs */
- : /* no inputs */
+ : "i" (PIL_NORMAL_MAX)
: "memory"
);
}
