Received: by 2002:a05:6a10:1d13:0:0:0:0 with SMTP id pp19csp258291pxb; Wed, 18 Aug 2021 01:25:11 -0700 (PDT) X-Google-Smtp-Source: ABdhPJz68EeciRqpjLNZc00TBQnhRi5vmDfYEFs2g4YJHudIZP2GG+9VF2ymH69uKaurDr0k0jpO X-Received: by 2002:aa7:cace:: with SMTP id l14mr8885836edt.14.1629275111717; Wed, 18 Aug 2021 01:25:11 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1629275111; cv=none; d=google.com; s=arc-20160816; b=pnWuOjyYS/tQ9CXyxP+sGtUgMHd8eL9JUR3L/OiTcAuEU2FH/NuGRZrY0Ds9cSDoNs GJU5+ePVp/EezpBE1AVQU8o+DKiVEQFXjKBKnjp3StOoPK7vDKzzEMKmBdaBbUsn/5P1 eQEuc4sNjOkGHOtYGXXTm7CRu25191Mb7oVB/a7fZXaPAXwy1JyRiGrrQt4xCyGjm+F0 DCLhViSAKFVYVUw7ymi0oVeAiTfE6kQlf9t3kHK4UdnnSnHP01To1VXSrGWo1XufPmWe L2eQYvqKr80ex7FiVI1Xzh6oMGU4oTAEJf7GLhOyhqm52vXz/xdI+kQ6b+ZIhVlSXJj8 md1Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:references:in-reply-to:message-id:date:subject :cc:to:from; bh=5lACOeB6w+/WuBSkzxoSdqaily0qyLKLvSrLBbjbBZc=; b=vohgjs3zmxvsGkM43htcRCjjVFWUug4QAGp4/iP88h75LPg1UFBTQg8p4msZ7UU6n0 MUjXO3GKfpdNTnTy6F8bXlfVXvOdc9/XfZpZeU8sLGvypvPOLwxHG66+eYaBKLIxHMnD NtyqXUqF/eN0N+8SUZrwm/Ql0PgLqpDUyp6V85oZdTHykyX3OOHVcwaT/4oUMZqRVSCt RK9rxiiNa5bzq/8cEm0zCG12JdzbBYbHQUO7P3ruIMpaOhQz6/ZziPSSRuZR5R9EzEey 4+repTnfRhbyw7amb57YBWUz1bZh27itA9dRzZHscPUS5vOhIj3DSdaJoflZAAXvLwTi WfbA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=alibaba.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id hq21si1988160ejc.116.2021.08.18.01.24.48; Wed, 18 Aug 2021 01:25:11 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=alibaba.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238978AbhHRIWG (ORCPT + 99 others); Wed, 18 Aug 2021 04:22:06 -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