Date: Mon, 25 Feb 2008 04:42:47 GMT From: Kip Macy <kmacy@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 136148 for review Message-ID: <200802250442.m1P4glXF021164@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=136148 Change 136148 by kmacy@pandemonium:kmacy:xen31 on 2008/02/25 04:41:49 assert that there aren't any pending updates when returning to user Affected files ... .. //depot/projects/xen31/sys/i386/include/xen/xenpmap.h#11 edit .. //depot/projects/xen31/sys/i386/xen/xen_machdep.c#19 edit .. //depot/projects/xen31/sys/kern/subr_trap.c#4 edit Differences ... ==== //depot/projects/xen31/sys/i386/include/xen/xenpmap.h#11 (text+ko) ==== @@ -46,6 +46,7 @@ void xen_pt_unpin(vm_paddr_t); void xen_flush_queue(void); void pmap_ref(pt_entry_t *pte, vm_paddr_t ma); +void xen_check_queue(void); #ifdef INVARIANTS #define xen_queue_pt_update(a, b) _xen_queue_pt_update((a), (b), __FILE__, __LINE__) ==== //depot/projects/xen31/sys/i386/xen/xen_machdep.c#19 (text+ko) ==== @@ -288,6 +288,12 @@ } void +xen_check_queue(void) +{ + KASSERT(XPQ_IDX == 0, ("pending operations XPQ_IDX=%d", XPQ_IDX)); +} + +void xen_invlpg(vm_offset_t va) { struct mmuext_op op; ==== //depot/projects/xen31/sys/kern/subr_trap.c#4 (text+ko) ==== @@ -86,6 +86,10 @@ CTR3(KTR_SYSC, "userret: thread %p (pid %d, %s)", td, p->p_pid, td->td_name); +#ifdef XEN + xen_check_queue(); +#endif + #ifdef DIAGNOSTIC /* Check that we called signotify() enough. */ PROC_LOCK(p);
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