Received: by 2002:a05:6a10:5bc5:0:0:0:0 with SMTP id os5csp218557pxb; Fri, 15 Oct 2021 04:15:08 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxpOzki+uRq4si+ftRdj7VL+ZZay6qpp3ZuIYVZw3sdKH8jx9GBvn7ahhVQ1yiGaAShV0uY X-Received: by 2002:a05:6a00:1a46:b0:44d:7a3f:2043 with SMTP id h6-20020a056a001a4600b0044d7a3f2043mr9245061pfv.56.1634296508717; Fri, 15 Oct 2021 04:15:08 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1634296508; cv=none; d=google.com; s=arc-20160816; b=ohIIeDEnDyf+Itin7JzYbYbnaxeqARmrXOciCaTGdmVYZl9fwajfsFZcjtIlzfpEw7 E5rdlCs91P77BT1ecyf2um8PeCiT9nYdnaGI8I2esvTfaiju+rHrJwxw0LegjOyoYIVv 7UpoNYYNUsEa3U+FgnV1VkGYmMxic3vP2Hxg13+5svDMjJ9PaJPC/wxvYDJbvuYayUJQ Bb7OzXv9AvYZks7BIcqLfRwiOt3nm6MQFdOWtcTzTzoqVv2vjjPfF4s+DtK1RWKUQEui CXQqYT0L8jkIMJXYxFhewX9eS/GzcvMFVFhbFZ8fkuPEB3j+MntaykIEbclWBUy072N5 sySQ== 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=HA5CIISVG8OnbAP0qmS2jwdgUB7xgbWMTFwRAC3MSYs=; b=ZEFTYqSnevFZ+RpNyvNH9RI2QWOH9ytMI+kvStbTBwhxAzDN8uKDYtljTA/Wt+AgEh oskNW0anEyufXGSbp2k8soCVF9c1H9HkfDLHXASQcqDSJW7zbhdzJitrE1ayzW6Ldjk4 hn84MLJnjeWH285n23rK0NR8S2Ccz17QGMq2X1SEg4TF6fbpSGoZ/3v2p94Wcr8zuezI MDmQ9DoHTZnszvAoH0pUe8RBXDT+aQKF4dHrXBTEk/skLXR5Dt/seSw0wf1WKRyMxDzQ ioXwS5CAd/KCOID3DKOWuy4qQ/8yqXTp4BXpeVTf5jscBj8gKd8gxmSSYLuh0H1Mpdl5 2SNA== 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 x63si6623819pgd.510.2021.10.15.04.14.55; Fri, 15 Oct 2021 04:15:08 -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 S233102AbhJOCtM (ORCPT + 99 others); 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