diff options
Diffstat (limited to 'sys/pc98/pc98/machdep.c')
| -rw-r--r-- | sys/pc98/pc98/machdep.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/sys/pc98/pc98/machdep.c b/sys/pc98/pc98/machdep.c index e01ef68..942aa45 100644 --- a/sys/pc98/pc98/machdep.c +++ b/sys/pc98/pc98/machdep.c @@ -2340,11 +2340,15 @@ void spinlock_enter(void) { struct thread *td; + register_t flags; td = curthread; - if (td->td_md.md_spinlock_count == 0) - td->td_md.md_saved_flags = intr_disable(); - td->td_md.md_spinlock_count++; + if (td->td_md.md_spinlock_count == 0) { + flags = intr_disable(); + td->td_md.md_spinlock_count = 1; + td->td_md.md_saved_flags = flags; + } else + td->td_md.md_spinlock_count++; critical_enter(); } @@ -2352,12 +2356,14 @@ void spinlock_exit(void) { struct thread *td; + register_t flags; td = curthread; critical_exit(); + flags = td->td_md.md_saved_flags; td->td_md.md_spinlock_count--; if (td->td_md.md_spinlock_count == 0) - intr_restore(td->td_md.md_saved_flags); + intr_restore(flags); } #if defined(I586_CPU) && !defined(NO_F00F_HACK) |
