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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,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 54EF9C4338F for ; Wed, 18 Aug 2021 08:21:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3932A61051 for ; Wed, 18 Aug 2021 08:21:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239253AbhHRIWJ (ORCPT ); Wed, 18 Aug 2021 04:22:09 -0400 Received: from out30-42.freemail.mail.aliyun.com ([115.124.30.42]:37391 "EHLO out30-42.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238050AbhHRIWC (ORCPT ); Wed, 18 Aug 2021 04:22:02 -0400 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R111e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e04426;MF=xianting.tian@linux.alibaba.com;NM=1;PH=DS;RN=10;SR=0;TI=SMTPD_---0UjfSYRK_1629274885; Received: from localhost(mailfrom:xianting.tian@linux.alibaba.com fp:SMTPD_---0UjfSYRK_1629274885) by smtp.aliyun-inc.com(127.0.0.1); Wed, 18 Aug 2021 16:21:25 +0800 From: Xianting Tian To: gregkh@linuxfoundation.org, jirislaby@kernel.org, amit@kernel.org, arnd@arndb.de, osandov@fb.com Cc: shile.zhang@linux.alibaba.com, linuxppc-dev@lists.ozlabs.org, virtualization@lists.linux-foundation.org, linux-kernel@vger.kernel.org, Xianting Tian Subject: [PATCH v8 1/3] tty: hvc: use correct dma alignment size Date: Wed, 18 Aug 2021 16:21:20 +0800 Message-Id: <20210818082122.166881-2-xianting.tian@linux.alibaba.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210818082122.166881-1-xianting.tian@linux.alibaba.com> References: <20210818082122.166881-1-xianting.tian@linux.alibaba.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Use L1_CACHE_BYTES as the dma alignment size, use 'sizeof(long)' is wrong. Signed-off-by: Xianting Tian Reviewed-by: Shile Zhang --- drivers/tty/hvc/hvc_console.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/tty/hvc/hvc_console.c b/drivers/tty/hvc/hvc_console.c index 5bb8c4e44..5957ab728 100644 --- a/drivers/tty/hvc/hvc_console.c +++ b/drivers/tty/hvc/hvc_console.c @@ -49,7 +49,7 @@ #define N_OUTBUF 16 #define N_INBUF 16 -#define __ALIGNED__ __attribute__((__aligned__(sizeof(long)))) +#define __ALIGNED__ __attribute__((__aligned__(L1_CACHE_BYTES))) static struct tty_driver *hvc_driver; static struct task_struct *hvc_task; -- 2.17.1