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-rw-r--r--sys/i386/include/counter.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/i386/include/counter.h b/sys/i386/include/counter.h
index f45d953..3e93b36 100644
--- a/sys/i386/include/counter.h
+++ b/sys/i386/include/counter.h
@@ -46,6 +46,8 @@
critical_exit(); \
} while (0)
+extern struct pcpu __pcpu[MAXCPU];
+
static inline void
counter_64_inc_8b(uint64_t *p, int64_t inc)
{
@@ -61,7 +63,7 @@ counter_64_inc_8b(uint64_t *p, int64_t inc)
"cmpxchg8b %%fs:(%%esi)\n\t"
"jnz 1b"
:
- : "S" (p), "D" (&inc)
+ : "S" ((char *)p - (char *)&__pcpu[0]), "D" (&inc)
: "memory", "cc", "eax", "edx", "ebx", "ecx");
}
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