From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 763A0C10F14 for ; Tue, 8 Oct 2019 06:13:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 51FF921929 for ; Tue, 8 Oct 2019 06:13:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730090AbfJHGNw (ORCPT ); Tue, 8 Oct 2019 02:13:52 -0400 Received: from 59-120-53-16.HINET-IP.hinet.net ([59.120.53.16]:28978 "EHLO ATCSQR.andestech.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1730038AbfJHGNn (ORCPT ); Tue, 8 Oct 2019 02:13:43 -0400 Received: from mail.andestech.com (atcpcs16.andestech.com [10.0.1.222]) by ATCSQR.andestech.com with ESMTP id x985uHCM075309; Tue, 8 Oct 2019 13:56:17 +0800 (GMT-8) (envelope-from nickhu@andestech.com) Received: from atcsqa06.andestech.com (10.0.15.65) by ATCPCS16.andestech.com (10.0.1.222) with Microsoft SMTP Server id 14.3.123.3; Tue, 8 Oct 2019 14:12:08 +0800 From: Nick Hu To: , , , , , , , , , , , , , , , , , , , CC: Nick Hu Subject: [PATCH v3 1/3] kasan: Archs don't check memmove if not support it. Date: Tue, 8 Oct 2019 14:11:51 +0800 Message-ID: X-Mailer: git-send-email 2.17.0 In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.0.15.65] X-DNSRBL: X-MAIL: ATCSQR.andestech.com x985uHCM075309 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Skip the memmove checking for those archs who don't support it. Signed-off-by: Nick Hu --- mm/kasan/common.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/mm/kasan/common.c b/mm/kasan/common.c index 6814d6d6a023..897f9520bab3 100644 --- a/mm/kasan/common.c +++ b/mm/kasan/common.c @@ -107,6 +107,7 @@ void *memset(void *addr, int c, size_t len) return __memset(addr, c, len); } +#ifdef __HAVE_ARCH_MEMMOVE #undef memmove void *memmove(void *dest, const void *src, size_t len) { @@ -115,6 +116,7 @@ void *memmove(void *dest, const void *src, size_t len) return __memmove(dest, src, len); } +#endif #undef memcpy void *memcpy(void *dest, const void *src, size_t len) -- 2.17.0