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Increment kdb_active after we stopped the other CPUs and decrement

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kdb_active before we restart them. This avoids false positives on
restarted CPUs when they test for kdb_active while kdb_trap() is
still finishing up.
This commit is contained in:
Marcel Moolenaar 2006-04-04 00:40:20 +00:00
parent d6d31e0900
commit 39eb1d1263
1 changed files with 4 additions and 4 deletions
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8
sys/kern/subr_kdb.c
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@ -463,13 +463,13 @@ kdb_trap(int type, int code, struct trapframe *tf)
intr = intr_disable();
kdb_active++;
#ifdef SMP
if ((did_stop_cpus = kdb_stop_cpus) != 0)
stop_cpus(PCPU_GET(other_cpus));
#endif
kdb_active++;
kdb_frame = tf;
/* Let MD code do its thing first... */
@ -480,13 +480,13 @@ kdb_trap(int type, int code, struct trapframe *tf)
handled = kdb_dbbe->dbbe_trap(type, code);
kdb_active--;
#ifdef SMP
if (did_stop_cpus)
restart_cpus(stopped_cpus);
#endif
kdb_active--;
intr_restore(intr);
return (handled);