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=-5.2 required=3.0 tests=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 7BAAEC433E0 for ; Mon, 6 Jul 2020 17:24:16 +0000 (UTC) Received: from mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by mail.kernel.org (Postfix) with ESMTP id 1FF0D20720 for ; Mon, 6 Jul 2020 17:24:15 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1FF0D20720 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvmarm-bounces@lists.cs.columbia.edu Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id A6CA04B3AE; Mon, 6 Jul 2020 13:24:15 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 1JhuzLwfghrt; Mon, 6 Jul 2020 13:24:13 -0400 (EDT) Received: from mm01.cs.columbia.edu (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id BAEAA4B3BF; Mon, 6 Jul 2020 13:24:13 -0400 (EDT) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 7D13C4B3AE for ; Mon, 6 Jul 2020 13:24:13 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id kPLerSWpsOrx for ; Mon, 6 Jul 2020 13:24:12 -0400 (EDT) Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by mm01.cs.columbia.edu (Postfix) with ESMTPS id 37A194B3A5 for ; Mon, 6 Jul 2020 13:24:12 -0400 (EDT) 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) Cc: kernel-team@android.com, kvm@vger.kernel.org, Andre Przywara , kvmarm@lists.cs.columbia.edu, Will Deacon , George Cherian , "Zengtao \(B\)" , Dave Martin , linux-arm-kernel@lists.infradead.org X-BeenThere: kvmarm@lists.cs.columbia.edu X-Mailman-Version: 2.1.14 Precedence: list List-Id: Where KVM/ARM decisions are made List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu 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/ _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm