Module Name: src
Committed By: pedro
Date: Fri Jan 10 16:47:07 UTC 2014
Modified Files:
src/sys/arch/i386/i386: copy.S
Log Message:
Fix a comment describing the check performed by copyin(); the value
checked against VM_MAXUSER_ADDRESS is derived from the source address,
not the destination address. OK rmind@.
To generate a diff of this commit:
cvs rdiff -u -r1.22 -r1.23 src/sys/arch/i386/i386/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/i386/i386/copy.S
diff -u src/sys/arch/i386/i386/copy.S:1.22 src/sys/arch/i386/i386/copy.S:1.23
--- src/sys/arch/i386/i386/copy.S:1.22 Wed Jul 7 01:21:15 2010
+++ src/sys/arch/i386/i386/copy.S Fri Jan 10 16:47:07 2014
@@ -1,4 +1,4 @@
-/* $NetBSD: copy.S,v 1.22 2010/07/07 01:21:15 chs Exp $ */
+/* $NetBSD: copy.S,v 1.23 2014/01/10 16:47:07 pedro Exp $ */
/* NetBSD: locore.S,v 1.34 2005/04/01 11:59:31 yamt Exp $ */
/*-
@@ -65,7 +65,7 @@
*/
#include <machine/asm.h>
-__KERNEL_RCSID(0, "$NetBSD: copy.S,v 1.22 2010/07/07 01:21:15 chs Exp $");
+__KERNEL_RCSID(0, "$NetBSD: copy.S,v 1.23 2014/01/10 16:47:07 pedro Exp $");
#include "assym.h"
@@ -270,9 +270,9 @@ ENTRY(copyin)
movl 16(%esp),%edi
movl 20(%esp),%eax
/*
- * We check that the end of the destination buffer is not past the end
- * of the user's address space. If it's not, then we only need to
- * check that each page is readable, and the CPU will do that for us.
+ * We check that the end of the source buffer is not past the end of
+ * the user's address space. If it's not, then we only need to check
+ * that each page is readable, and the CPU will do that for us.
*/
.Lcopyin_start:
movl %esi,%edx
