diff options
Diffstat (limited to 'sys/kern/subr_trap.c')
| -rw-r--r-- | sys/kern/subr_trap.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/sys/kern/subr_trap.c b/sys/kern/subr_trap.c index 9eb4aed..fe5f1e4 100644 --- a/sys/kern/subr_trap.c +++ b/sys/kern/subr_trap.c @@ -253,8 +253,14 @@ ast(struct trapframe *framep) sigs++; } PROC_UNLOCK(p); - if (p->p_flag & P_THREADED && sigs) - thread_signal_upcall(td); + if (p->p_flag & P_THREADED && sigs) { + struct kse_upcall *ku = td->td_upcall; + if ((void *)TRAPF_PC(framep) != ku->ku_func) { + mtx_lock_spin(&sched_lock); + ku->ku_flags |= KUF_DOUPCALL; + mtx_unlock_spin(&sched_lock); + } + } } userret(td, framep, sticks); |
