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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 51CFFC433F5 for ; Tue, 4 Jan 2022 16:09:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date:Message-ID:From: References:Cc:To:Subject:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=NrHvTF2FJRHJh/08qF/A18zcVA+tYVIN4TRRexbYpno=; b=LzLlvO3eE0Fp+a5P6KopXeRt5M 86H2oQExn+hlWpqqTwpL0/BjrOX+/LQqtInkabwc1ScCCVOBOpJj68lTQyUj2UWTbXRCPWcMuTMD/ 5ytJFxbj9Bfr5OgNchvejb5dbsh3YLp/m/YsAyzePeYGbfjehqKCfGe2jjI+pSL1Kxs8nqjbO2d0F QpGHFkfC5Nc7/sBlfDJdAQhMApOqd06hZgWuVCjZtWw5JQWfABwcWKZKQ7zgC5GFZRyw8pOArm94H 3b6KDDlO2RB3Ief0GQRV1Mst7XK11DaNF6uqHFaM6vQrUUerrhyq+aCvpvRFhU1gpfW9+3cpn/aRx DdPCrpsg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1n4mLc-00CAly-M6; Tue, 04 Jan 2022 16:07:41 +0000 Received: from bhuna.collabora.co.uk ([46.235.227.227]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1n4m9l-00C4ve-Ez; Tue, 04 Jan 2022 15:55:26 +0000 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 Cc: Krzysztof Kozlowski , Tomasz Figa , linux-mediatek@lists.infradead.org, srv_heupstream@mediatek.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, iommu@lists.linux-foundation.org, Hsin-Yi Wang , youlin.pei@mediatek.com, anan.sun@mediatek.com, chao.hao@mediatek.com, yen-chang.chen@mediatek.com 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220104_075525_692026_C4F9DFFE X-CRM114-Status: GOOD ( 11.45 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel