Module Name:    src
Committed By:   scole
Date:           Sat Apr 14 19:58:20 UTC 2018

Modified Files:
        src/sys/arch/ia64/ia64: vm_machdep.c

Log Message:
Add XXX note regarding incomplete forking


To generate a diff of this commit:
cvs rdiff -u -r1.13 -r1.14 src/sys/arch/ia64/ia64/vm_machdep.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sys/arch/ia64/ia64/vm_machdep.c
diff -u src/sys/arch/ia64/ia64/vm_machdep.c:1.13 src/sys/arch/ia64/ia64/vm_machdep.c:1.14
--- src/sys/arch/ia64/ia64/vm_machdep.c:1.13	Sat Apr  8 17:38:43 2017
+++ src/sys/arch/ia64/ia64/vm_machdep.c	Sat Apr 14 19:58:20 2018
@@ -1,4 +1,4 @@
-/*	$NetBSD: vm_machdep.c,v 1.13 2017/04/08 17:38:43 scole Exp $	*/
+/*	$NetBSD: vm_machdep.c,v 1.14 2018/04/14 19:58:20 scole Exp $	*/
 
 /*
  * Copyright (c) 2006 The NetBSD Foundation, Inc.
@@ -133,6 +133,14 @@ cpu_lwp_fork(struct lwp *l1, struct lwp 
 		KASSERT(l1 == &lwp0);
 	}
 
+	/*
+	 * XXX this seems incomplete, each thread apparently needs its
+	 * own stack and bspstore, and to re-adjust the RSE "ndirty"
+	 * registers.  See
+	 * http://fxr.watson.org/fxr/source/ia64/ia64/vm_machdep.c?v=FREEBSD10#L262
+	 * Also should verify u-area usage is consistent, which may be
+	 * different than freebsd.
+	 */
 	*pcb2 = *pcb1;
 
 	l2->l_md.md_flags = l1->l_md.md_flags;

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