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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2381DC433F5 for ; Fri, 15 Oct 2021 02:47:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0219260EFF for ; Fri, 15 Oct 2021 02:47:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233132AbhJOCtM (ORCPT ); Thu, 14 Oct 2021 22:49:12 -0400 Received: from out30-54.freemail.mail.aliyun.com ([115.124.30.54]:55701 "EHLO out30-54.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232833AbhJOCtJ (ORCPT ); Thu, 14 Oct 2021 22:49:09 -0400 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R981e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e04423;MF=xianting.tian@linux.alibaba.com;NM=1;PH=DS;RN=10;SR=0;TI=SMTPD_---0Us1llkI_1634266021; Received: from localhost(mailfrom:xianting.tian@linux.alibaba.com fp:SMTPD_---0Us1llkI_1634266021) by smtp.aliyun-inc.com(127.0.0.1); Fri, 15 Oct 2021 10:47:01 +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 v11 1/3] tty: hvc: use correct dma alignment size Date: Fri, 15 Oct 2021 10:46:56 +0800 Message-Id: <20211015024658.1353987-2-xianting.tian@linux.alibaba.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20211015024658.1353987-1-xianting.tian@linux.alibaba.com> References: <20211015024658.1353987-1-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)' as dma alignment is wrong. Signed-off-by: Xianting Tian Signed-off-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