diff options
| -rw-r--r-- | sys/powerpc/aim/interrupt.c | 6 | ||||
| -rw-r--r-- | sys/powerpc/booke/interrupt.c | 8 |
2 files changed, 8 insertions, 6 deletions
diff --git a/sys/powerpc/aim/interrupt.c b/sys/powerpc/aim/interrupt.c index d7f489a..b436038 100644 --- a/sys/powerpc/aim/interrupt.c +++ b/sys/powerpc/aim/interrupt.c @@ -80,15 +80,17 @@ powerpc_interrupt(struct trapframe *framep) switch (framep->exc) { case EXC_EXI: - atomic_add_int(&td->td_intr_nesting_level, 1); + critical_enter(); PIC_DISPATCH(pic, framep); - atomic_subtract_int(&td->td_intr_nesting_level, 1); + critical_exit(); break; case EXC_DECR: + critical_enter(); atomic_add_int(&td->td_intr_nesting_level, 1); decr_intr(framep); atomic_subtract_int(&td->td_intr_nesting_level, 1); + critical_exit(); break; default: diff --git a/sys/powerpc/booke/interrupt.c b/sys/powerpc/booke/interrupt.c index 01ee3d9..2367bf9 100644 --- a/sys/powerpc/booke/interrupt.c +++ b/sys/powerpc/booke/interrupt.c @@ -118,9 +118,11 @@ powerpc_decr_interrupt(struct trapframe *framep) struct thread *td; td = PCPU_GET(curthread); + critical_enter(); atomic_add_int(&td->td_intr_nesting_level, 1); decr_intr(framep); atomic_subtract_int(&td->td_intr_nesting_level, 1); + critical_exit(); } /* @@ -129,10 +131,8 @@ powerpc_decr_interrupt(struct trapframe *framep) void powerpc_extr_interrupt(struct trapframe *framep) { - struct thread *td; - td = PCPU_GET(curthread); - atomic_add_int(&td->td_intr_nesting_level, 1); + critical_enter(); PIC_DISPATCH(pic, framep); - atomic_subtract_int(&td->td_intr_nesting_level, 1); + critical_exit(); } |
