Date: Thu, 8 Jul 2004 22:51:14 GMT From: David Xu <davidxu@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 56815 for review Message-ID: <200407082251.i68MpEDT030585@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=56815 Change 56815 by davidxu@davidxu_alona on 2004/07/08 22:50:22 More actively check upcall events. Affected files ... .. //depot/projects/davidxu_ksedbg/src/sys/kern/kern_kse.c#3 edit Differences ... ==== //depot/projects/davidxu_ksedbg/src/sys/kern/kern_kse.c#3 (text+ko) ==== @@ -1127,11 +1127,17 @@ mtx_lock_spin(&sched_lock); td->td_flags &= ~TDF_USTATCLOCK; mtx_unlock_spin(&sched_lock); - if (kg->kg_completed || - (td->td_upcall->ku_flags & KUF_DOUPCALL)) - thread_user_enter(p, td); } + /* + * Check if we should unbind and schedule upcall + * after returned from interrupt or etcs. + */ + if (td->td_mailbox == NULL && ku != NULL && + !(td->td_pflags & TDP_UPCALLING) && + (kg->kg_completed || ku->ku_flags & KUF_DOUPCALL)) + thread_user_enter(p, td); + uts_crit = (td->td_mailbox == NULL); /* * Optimisation:
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