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 smtp1.osuosl.org (smtp1.osuosl.org [140.211.166.138]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id CB78FC433FE for ; Tue, 4 Jan 2022 15:55:29 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp1.osuosl.org (Postfix) with ESMTP id 975CB828A9; Tue, 4 Jan 2022 15:55:29 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp1.osuosl.org ([127.0.0.1]) by localhost (smtp1.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id uxZnIlIBHx_y; Tue, 4 Jan 2022 15:55:28 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [IPv6:2605:bc80:3010:104::8cd3:938]) by smtp1.osuosl.org (Postfix) with ESMTPS id 8EDD88268F; Tue, 4 Jan 2022 15:55:28 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 6B382C002F; Tue, 4 Jan 2022 15:55:28 +0000 (UTC) Received: from smtp3.osuosl.org (smtp3.osuosl.org [IPv6:2605:bc80:3010::136]) by lists.linuxfoundation.org (Postfix) with ESMTP id 4AF69C006E for ; Tue, 4 Jan 2022 15:55:26 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp3.osuosl.org (Postfix) with ESMTP id 39F2960D52 for ; Tue, 4 Jan 2022 15:55:26 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Authentication-Results: smtp3.osuosl.org (amavisd-new); dkim=pass (2048-bit key) header.d=collabora.com Received: from smtp3.osuosl.org ([127.0.0.1]) by localhost (smtp3.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Ev1npwgdo2L9 for ; Tue, 4 Jan 2022 15:55:25 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.8.0 Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e3e3]) by smtp3.osuosl.org (Postfix) with ESMTPS id AB35F60C01 for ; Tue, 4 Jan 2022 15:55:25 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: kholk11) with ESMTPSA id 595281F43595 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1641311724; bh=mT55sEIhz+ZViNl1TjdLrnqAEkSGD0ha5i2STjrdvA0=; h=Subject:To:Cc:References:From:Date:In-Reply-To:From; b=ZNbkj8e6y+LgMWHeFEfa+iWF8ALjy7AZee0LzFDih7hG97iQr1CXdNT6ACwpPNc6u n56MyNtfhzWCw6KNdIOa8fYIB+bMAc8ho5eetsvJ3Fc45BGlJk9IDQSkW0GGq7mFEK vOjZH3a/yqiZASpAWCQlJoTF9mmNYOUZHdGCEvuqzG7OCcXzHJ8WGji3ypr+AGvJYY IJJ5ALJxaoBRmcmWU8X0oTeYNN6iSzMNA6EyKgxQa+7vaO9LfXign1/KG8Qy3YotsR 6Vb0+0+puysGL07M7LfolZMhpKjckvMyRkfJVxft9bDQYGzCZKwgLDqZCmV5qPvObw QrtuPyHD8nHzw== Subject: Re: [PATCH v3 10/33] iommu/mediatek: Add tlb_lock in tlb_flush_all To: Yong Wu , Joerg Roedel , Rob Herring , Matthias Brugger , Will Deacon , Robin Murphy References: <20210923115840.17813-1-yong.wu@mediatek.com> <20210923115840.17813-11-yong.wu@mediatek.com> From: AngeloGioacchino Del Regno Message-ID: <4444ddfd-c028-9549-0a1a-a3380fdd2d54@collabora.com> Date: Tue, 4 Jan 2022 16:55:21 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0 MIME-Version: 1.0 In-Reply-To: <20210923115840.17813-11-yong.wu@mediatek.com> Content-Language: en-US Cc: youlin.pei@mediatek.com, devicetree@vger.kernel.org, srv_heupstream@mediatek.com, Krzysztof Kozlowski , linux-kernel@vger.kernel.org, yen-chang.chen@mediatek.com, chao.hao@mediatek.com, iommu@lists.linux-foundation.org, linux-mediatek@lists.infradead.org, Hsin-Yi Wang , anan.sun@mediatek.com, linux-arm-kernel@lists.infradead.org X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" Il 23/09/21 13:58, Yong Wu ha scritto: > The tlb_flush_all also touches the registers about tlb operations. > Add spinlock in it to protect the tlb registers. since the tlb_range > already hold the spinlock, move it a bit outside the spinlock to > print log. > > Signed-off-by: Yong Wu Reviewed-by: AngeloGioacchino Del Regno _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu