[SPARC]: Add is_atomic.

b9e36474 · David S. Miller · 07ce7feb · b9e36474
Commit b9e36474 authored Sep 13, 2002 by David S. Miller
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include/asm-sparc/hardirq.h include/asm-sparc/hardirq.h +2 -0

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--- a/include/asm-sparc/hardirq.h
+++ b/include/asm-sparc/hardirq.h
@@ -90,8 +90,10 @@ typedef struct {
 #define irq_enter()             (preempt_count() += HARDIRQ_OFFSET)

 #if CONFIG_PREEMPT
+# define in_atomic()	(preempt_count() != kernel_locked())
 # define IRQ_EXIT_OFFSET (HARDIRQ_OFFSET-1)
 #else
+# define in_atomic()	(preempt_count() != 0)
 # define IRQ_EXIT_OFFSET HARDIRQ_OFFSET
 #endif
 #define irq_exit()                                                      \