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;
