[src/trunk]: src/sys/arch/vax/vax add MD part of SA/pthread pagefault handlin...

[cl <cl%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/81efb8d062ec
branches:  trunk
changeset: 552100:81efb8d062ec
user:      cl <cl%NetBSD.org@localhost>
date:      Thu Sep 18 22:38:36 2003 +0000

description:
add MD part of SA/pthread pagefault handling on vax

diffstat:

 sys/arch/vax/vax/trap.c |  18 ++++++++++++------
 1 files changed, 12 insertions(+), 6 deletions(-)

diffs (48 lines):

diff -r a5ac8f7da682 -r 81efb8d062ec sys/arch/vax/vax/trap.c
--- a/sys/arch/vax/vax/trap.c   Thu Sep 18 22:37:38 2003 +0000
+++ b/sys/arch/vax/vax/trap.c   Thu Sep 18 22:38:36 2003 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: trap.c,v 1.81 2003/07/15 02:15:06 lukem Exp $     */
+/*     $NetBSD: trap.c,v 1.82 2003/09/18 22:38:36 cl Exp $     */
 
 /*
  * Copyright (c) 1994 Ludd, University of Lule}, Sweden.
@@ -33,7 +33,7 @@
  /* All bugs are subject to removal without further notice */
                
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: trap.c,v 1.81 2003/07/15 02:15:06 lukem Exp $");
+__KERNEL_RCSID(0, "$NetBSD: trap.c,v 1.82 2003/09/18 22:38:36 cl Exp $");
 
 #include "opt_ddb.h"
 #include "opt_ktrace.h"
@@ -261,9 +261,14 @@
                else
                        ftype = VM_PROT_READ;
 
-               if (umode)
+               if (umode) {
                        KERNEL_PROC_LOCK(l);
-               else
+                       if (l->l_flag & L_SA) {
+                               KDASSERT(p != NULL && p->p_sa != NULL);
+                               p->p_sa->sa_vp_faultaddr = (vaddr_t)frame->code;
+                               l->l_flag |= L_SA_PAGEFAULT;
+                       }
+               } else
                        KERNEL_LOCK(LK_CANRECURSE|LK_EXCLUSIVE);
 
                nss = 0;
@@ -303,9 +308,10 @@
                        if (nss != 0 && nss > vm->vm_ssize)
                                vm->vm_ssize = nss;
                }
-               if (umode) 
+               if (umode) {
+                       l->l_flag &= ~L_SA_PAGEFAULT;
                        KERNEL_PROC_UNLOCK(l);
-               else
+               } else
                        KERNEL_UNLOCK();
                break;