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 16082D2F000 for ; Tue, 27 Jan 2026 12:28:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Subject:CC: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=Vq0+pay01iCH5O3M8SeguB0rBEFvN6Ud8yLFr7RxasU=; b=iBeJBrXgGivMCGJzjVSdEPTiA8 zrIZeAVy2uaq2SrABj6JGrloYs79wgFkARNtabmnUXQh0xPb+HyyuzcKE6hGSuC40qD4Z3NpjjysA Qe8x3MPUw2lomZX3jrhM8fjCOxjph+lFYtCvfHlq6kRZufvy5sLrfryiWSdjG8NMkNkG7ZFWzhpny k9cp2129IlIWNvw8psSgn9GYzJm3h1J9mdgPl5jLMdlbE5eGJCVmz7Q/yOTLFVFcMXxrX9l2JqqHu E7KHXb8dBVI219vq28uoE8oHyzGqCQA5SWpBRI2LlzND22No1Bi12pmdJBnGeqjCOZijLsHa1kMgY aOz/n80w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vkiBQ-0000000EFJQ-1lQe; Tue, 27 Jan 2026 12:28:36 +0000 Received: from sinmsgout03.his.huawei.com ([119.8.177.38]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vkiBN-0000000EFJ7-2dZL for linux-arm-kernel@lists.infradead.org; Tue, 27 Jan 2026 12:28:35 +0000 dkim-signature: v=1; a=rsa-sha256; d=huawei.com; s=dkim; c=relaxed/relaxed; q=dns/txt; h=From; bh=Vq0+pay01iCH5O3M8SeguB0rBEFvN6Ud8yLFr7RxasU=; b=S3Ek7suBV0kwPBkO3bhPfYzQJFyyEfY3KZ1spJuhvEUlAlxR30ROmuh3mkuFNykZxm9nNcUVY 0L2hoxCQmvlT69wczkrBPR3UDKan8kOIApRkmyIciwNpexZfmx6Vjxli1wddW+QbedFjAIqk6cT B10aaYmbtdegaK6TTUXOWX8= Received: from frasgout.his.huawei.com (unknown [172.18.146.32]) by sinmsgout03.his.huawei.com (SkyGuard) with ESMTPS id 4f0l4L45LczMs5x; Tue, 27 Jan 2026 20:25:54 +0800 (CST) Received: from mail.maildlp.com (unknown [172.18.224.83]) by frasgout.his.huawei.com (SkyGuard) with ESMTPS id 4f0l6M213QzHnH6L; Tue, 27 Jan 2026 20:27:39 +0800 (CST) Received: from dubpeml500005.china.huawei.com (unknown [7.214.145.207]) by mail.maildlp.com (Postfix) with ESMTPS id C8D3940086; Tue, 27 Jan 2026 20:28:24 +0800 (CST) Received: from localhost (10.203.177.15) by dubpeml500005.china.huawei.com (7.214.145.207) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Tue, 27 Jan 2026 12:28:24 +0000 Date: Tue, 27 Jan 2026 12:28:22 +0000 From: Jonathan Cameron To: Ryan Roberts CC: Will Deacon , Ard Biesheuvel , Catalin Marinas , Mark Rutland , Linus Torvalds , Oliver Upton , Marc Zyngier , "Dev Jain" , Linu Cherian , , Subject: Re: [PATCH v2 10/13] arm64: mm: Refactor __flush_tlb_range() to take flags Message-ID: <20260127122822.00005fa0@huawei.com> In-Reply-To: <20260119172202.1681510-11-ryan.roberts@arm.com> References: <20260119172202.1681510-1-ryan.roberts@arm.com> <20260119172202.1681510-11-ryan.roberts@arm.com> X-Mailer: Claws Mail 4.3.0 (GTK 3.24.42; x86_64-w64-mingw32) MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.203.177.15] X-ClientProxiedBy: lhrpeml500010.china.huawei.com (7.191.174.240) To dubpeml500005.china.huawei.com (7.214.145.207) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260127_042833_895300_5761B232 X-CRM114-Status: UNSURE ( 9.79 ) X-CRM114-Notice: Please train this message. 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, 19 Jan 2026 17:21:57 +0000 Ryan Roberts wrote: > We have function variants with "_nosync", "_local", "_nonotify" as well > as the "last_level" parameter. Let's generalize and simplify by using a > flags parameter to encode all these variants. > > As a first step, convert the "last_level" boolean parameter to a flags > parameter and create the first flag, TLBF_NOWALKCACHE. When present, > walk cache entries are not evicted, which is the same as the old > last_level=true. > > Reviewed-by: Linu Cherian > Signed-off-by: Ryan Roberts Reviewed-by: Jonathan Cameron