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Move the ap boot spin lock earlier in the lock order before the sio(4)

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lock since we occasionally call printf() while holding the ap boot lock
which can call down into the sio(4) driver if using a serial console.
This commit is contained in:
John Baldwin 2001-10-01 22:50:30 +00:00
parent 7105201b3d
commit 0479e3d339
1 changed files with 4 additions and 2 deletions
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6
sys/kern/subr_witness.c
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@ -197,8 +197,11 @@ static struct witness_order_list_entry order_lists[] = {
/*
* spin locks
*/
#if defined(__i386__) && defined (SMP)
#ifdef SMP
{ "ap boot", &lock_class_mtx_spin },
#ifdef __i386__
{ "com", &lock_class_mtx_spin },
#endif
#endif
{ "sio", &lock_class_mtx_spin },
#ifdef __i386__
@ -213,7 +216,6 @@ static struct witness_order_list_entry order_lists[] = {
* leaf locks
*/
#ifdef SMP
{ "ap boot", &lock_class_mtx_spin },
#ifdef __i386__
{ "imen", &lock_class_mtx_spin },
#endif