diff options
Diffstat (limited to 'sys/amd64/include')
| -rw-r--r-- | sys/amd64/include/profile.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/amd64/include/profile.h b/sys/amd64/include/profile.h index 82ff6030b608..bd8a7da017a9 100644 --- a/sys/amd64/include/profile.h +++ b/sys/amd64/include/profile.h @@ -64,6 +64,7 @@ #else #define MCOUNT_DECL(s) u_long s; #ifdef SMP +extern int mcount_lock; #define MCOUNT_ENTER(s) { s = read_eflags(); disable_intr(); \ while (!atomic_cmpset_acq_int(&mcount_lock, 0, 1)) \ /* nothing */ ; } |