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[src/trunk]: src/sys/kern Add a comment.
details: https://anonhg.NetBSD.org/src/rev/d3faf8c4ea04
branches: trunk
changeset: 746494:d3faf8c4ea04
user: maxv <maxv%NetBSD.org@localhost>
date: Thu Apr 02 16:31:37 2020 +0000
description:
Add a comment.
diffstat:
sys/kern/subr_csan.c | 9 +++++++--
1 files changed, 7 insertions(+), 2 deletions(-)
diffs (30 lines):
diff -r 91796c62322b -r d3faf8c4ea04 sys/kern/subr_csan.c
--- a/sys/kern/subr_csan.c Thu Apr 02 16:29:30 2020 +0000
+++ b/sys/kern/subr_csan.c Thu Apr 02 16:31:37 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: subr_csan.c,v 1.6 2019/12/01 08:15:58 maxv Exp $ */
+/* $NetBSD: subr_csan.c,v 1.7 2020/04/02 16:31:37 maxv Exp $ */
/*
* Copyright (c) 2019 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: subr_csan.c,v 1.6 2019/12/01 08:15:58 maxv Exp $");
+__KERNEL_RCSID(0, "$NetBSD: subr_csan.c,v 1.7 2020/04/02 16:31:37 maxv Exp $");
#include <sys/param.h>
#include <sys/device.h>
@@ -606,6 +606,11 @@
CSAN_ATOMIC_FUNC_INC(ulong, unsigned long, unsigned long);
CSAN_ATOMIC_FUNC_INC(ptr, void *, void);
+/*
+ * TODO: these two functions should qualify as atomic accesses. However
+ * for now we just whitelist them, to reduce the output.
+ */
+
void
kcsan_atomic_load(const volatile void *p, void *v, int size)
{
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