Module Name: src
Committed By: pooka
Date: Wed Jun 3 16:06:10 UTC 2009
Modified Files:
src/sys/rump/librump/rumpkern: vm.c
Log Message:
Add user vmspace locking and remapping routines. Obviously, these
currently work only if the vmspace is local to the rump kernel.
To generate a diff of this commit:
cvs rdiff -u -r1.56 -r1.57 src/sys/rump/librump/rumpkern/vm.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/rump/librump/rumpkern/vm.c
diff -u src/sys/rump/librump/rumpkern/vm.c:1.56 src/sys/rump/librump/rumpkern/vm.c:1.57
--- src/sys/rump/librump/rumpkern/vm.c:1.56 Sun May 3 16:53:54 2009
+++ src/sys/rump/librump/rumpkern/vm.c Wed Jun 3 16:06:10 2009
@@ -1,4 +1,4 @@
-/* $NetBSD: vm.c,v 1.56 2009/05/03 16:53:54 pooka Exp $ */
+/* $NetBSD: vm.c,v 1.57 2009/06/03 16:06:10 pooka Exp $ */
/*
* Copyright (c) 2007 Antti Kantee. All Rights Reserved.
@@ -42,7 +42,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: vm.c,v 1.56 2009/05/03 16:53:54 pooka Exp $");
+__KERNEL_RCSID(0, "$NetBSD: vm.c,v 1.57 2009/06/03 16:06:10 pooka Exp $");
#include <sys/param.h>
#include <sys/atomic.h>
@@ -565,3 +565,37 @@
rumpuser_unmap((void *)vaddr, PAGE_SIZE);
}
+
+/*
+ * Mapping and vm space locking routines.
+ * XXX: these don't work for non-local vmspaces
+ */
+int
+uvm_vslock(struct vmspace *vs, void *addr, size_t len, vm_prot_t access)
+{
+
+ KASSERT(vs == &rump_vmspace);
+ return 0;
+}
+
+void
+uvm_vsunlock(struct vmspace *vs, void *addr, size_t len)
+{
+
+ KASSERT(vs == &rump_vmspace);
+}
+
+void
+vmapbuf(struct buf *bp, vsize_t len)
+{
+
+ bp->b_saveaddr = bp->b_data;
+}
+
+void
+vunmapbuf(struct buf *bp, vsize_t len)
+{
+
+ bp->b_data = bp->b_saveaddr;
+ bp->b_saveaddr = 0;
+}
