--- linux/include/asm/softirq.h.orig Tue Dec 22 22:45:28 1998
+++ linux/include/asm/softirq.h Tue Dec 22 23:10:09 1998
@@ -27,7 +27,7 @@
extern inline void init_bh(int nr, void (*routine)(void))
{
bh_base[nr] = routine;
- bh_mask_count[nr] = 0;
+ atomic_set(&bh_mask_count[nr], 0);
bh_mask |= 1 << nr;
}
@@ -116,12 +116,12 @@
extern inline void disable_bh(int nr)
{
bh_mask &= ~(1 << nr);
- bh_mask_count[nr]++;
+ atomic_inc(&bh_mask_count[nr]);
}
extern inline void enable_bh(int nr)
{
- if (!--bh_mask_count[nr])
+ if (atomic_dec_and_test(&bh_mask_count[nr]))
bh_mask |= 1 << nr;
}
MICHAEL Wm. GILBERT mgilbert@oit.umass.edu
Technology Development and Special Projects
Office of Information Technology (OIT)
University of Massachusetts at Amherst
Voice: 413-545-3124 Fax: 413-545-3203
A115 Lederle Graduate Research Center
UMASS Amherst, MA 01003 USA
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/