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 X-Spam-Level: X-Spam-Status: No, score=-5.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9ED4CC433E0 for ; Mon, 6 Jul 2020 17:25:56 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 6DA8F20EDD for ; Mon, 6 Jul 2020 17:25:56 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="W0C46yoc" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6DA8F20EDD Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References:Message-ID: Subject:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=hVz5piX4jRC8h7DyptnW1Ocpm3LVieLULybWQ+QRqBU=; b=W0C46yoca4WSnaSWr4yQxOlqx iP2wyMZel0xWISIqHX7FDm7XGemV3PlHhcoYCFALkwmLtc3McJQKGyPAnKa3Dpp4Hka2d0GuupsWD 5vh1uuHF8FpzIqLk8bEmtmWrCqrH8yUZ7tKbCVDdnpSFHfiboi9qvIKW6SKgGA1vp3YKktxKYHEPt E3B9uUSFccGbewJ+8duTSWYYwnn4G04HBKZZoYHl96AO0WuxfkPi1lHStzpmSq6xbkao42IlkO4N1 0sNSK7+XAlZ/MPxOZ8sFIdFE+dCY/7wXo5kHH0ODu2oJuo90n47UmH3z+zugKvtbDDJdHRoSzmOve Z5YlaRoKA==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jsUqj-00026B-LZ; Mon, 06 Jul 2020 17:24:13 +0000 Received: from mail.kernel.org ([198.145.29.99]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jsUqh-00025l-Qf for linux-arm-kernel@lists.infradead.org; Mon, 06 Jul 2020 17:24:12 +0000 Received: from gaia (unknown [95.146.230.158]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 6BA2A2070C; Mon, 6 Jul 2020 17:24:08 +0000 (UTC) Date: Mon, 6 Jul 2020 18:24:06 +0100 From: Catalin Marinas To: Marc Zyngier Subject: Re: [PATCH v3 02/17] arm64: Detect the ARMv8.4 TTL feature Message-ID: <20200706172405.GI28170@gaia> References: <20200706125425.1671020-1-maz@kernel.org> <20200706125425.1671020-3-maz@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200706125425.1671020-3-maz@kernel.org> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200706_132411_927784_AA009775 X-CRM114-Status: UNSURE ( 9.97 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , kernel-team@android.com, kvm@vger.kernel.org, Suzuki K Poulose , Jintack Lim , Andre Przywara , Christoffer Dall , kvmarm@lists.cs.columbia.edu, Will Deacon , George Cherian , James Morse , Andrew Scull , "Zengtao \(B\)" , Julien Thierry , Alexandru Elisei , Dave Martin , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Jul 06, 2020 at 01:54:10PM +0100, Marc Zyngier wrote: > In order to reduce the cost of TLB invalidation, the ARMv8.4 TTL > feature allows TLBs to be issued with a level allowing for quicker > invalidation. > > Let's detect the feature for now. Further patches will implement > its actual usage. > > Reviewed-by : Suzuki K Polose > Signed-off-by: Marc Zyngier It looks like I had a reviewed-by in the other series [1]. Feel free to add it here as well: Reviewed-by: Catalin Marinas [1] https://lore.kernel.org/linux-arm-kernel/20200625080314.230-1-yezhenyu2@huawei.com/ _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel