Module Name: src
Committed By: maxv
Date: Fri Aug 25 11:05:46 UTC 2017
Modified Files:
src/sys/arch/amd64/amd64: copy.S
Log Message:
Split comment, otherwise it is misleading. kcopy operates on kernel
memory, and must *not* be used with userland pages.
To generate a diff of this commit:
cvs rdiff -u -r1.22 -r1.23 src/sys/arch/amd64/amd64/copy.S
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/amd64/amd64/copy.S
diff -u src/sys/arch/amd64/amd64/copy.S:1.22 src/sys/arch/amd64/amd64/copy.S:1.23
--- src/sys/arch/amd64/amd64/copy.S:1.22 Wed Aug 23 08:14:18 2017
+++ src/sys/arch/amd64/amd64/copy.S Fri Aug 25 11:05:46 2017
@@ -1,4 +1,4 @@
-/* $NetBSD: copy.S,v 1.22 2017/08/23 08:14:18 maxv Exp $ */
+/* $NetBSD: copy.S,v 1.23 2017/08/25 11:05:46 maxv Exp $ */
/*
* Copyright (c) 2001 Wasabi Systems, Inc.
@@ -107,9 +107,6 @@ ENTRY(do_pmap_load)
ret
/*
- * int kcopy(const void *from, void *to, size_t len);
- * Copy len bytes, abort on fault.
- *
* Copy routines from and to userland, plus a few more. See the
* section 9 manpages for info. Some cases can be optimized more.
*
@@ -125,6 +122,10 @@ ENTRY(do_pmap_load)
* be ably to do cache-line size copies....
*/
+/*
+ * int kcopy(const void *from, void *to, size_t len);
+ * Copy len bytes from and to kernel memory, and abort on fault.
+ */
ENTRY(kcopy)
xchgq %rdi,%rsi
movq %rdx,%rcx
