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authorDavid S. Miller <davem@davemloft.net>2008-11-23 21:55:29 -0800
committerDavid S. Miller <davem@davemloft.net>2008-12-04 09:17:02 -0800
commitb4f4372f96e0573d752d9e45beda02fabf716cc8 (patch)
tree641798dfe78c1407908c68b64427cd55cdc18b34 /arch/sparc/include/asm/irqflags_64.h
parentc6afec5e4d323e7b88a7d6e291a5aa021a8fcb7d (diff)
downloadop-kernel-dev-b4f4372f96e0573d752d9e45beda02fabf716cc8.zip
op-kernel-dev-b4f4372f96e0573d752d9e45beda02fabf716cc8.tar.gz
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>
Diffstat (limited to 'arch/sparc/include/asm/irqflags_64.h')
-rw-r--r--arch/sparc/include/asm/irqflags_64.h6
1 files changed, 4 insertions, 2 deletions
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_restore(unsigned long flags)
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"
);
}
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