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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 63417C43334 for ; Fri, 1 Jul 2022 10:36:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236468AbiGAKgV (ORCPT ); Fri, 1 Jul 2022 06:36:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56864 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236388AbiGAKgS (ORCPT ); Fri, 1 Jul 2022 06:36:18 -0400 Received: from out0.migadu.com (out0.migadu.com [94.23.1.103]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C5EEF796B7 for ; Fri, 1 Jul 2022 03:36:17 -0700 (PDT) Date: Fri, 1 Jul 2022 12:36:15 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1656671776; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=xKnujC1lUGcxYTHtclqkqpYSHQWQtlsVYghDNNV/IpQ=; b=dfn5/NgGI30rt9WSZ7rMQWvK6tUxMj0IWKJzMcz5Y1pxpOlysBtPipAtXR8SxxmI9eGwIq JHmSBsJjVGqtLk6zm49ern2Vw0gtq68nLbMl+gCpfQ2F4TytoyoxHc0n9HmrUgu33wXjAC TOcQ3g+105U5iw5NObHjAjyXpHJOERQ= X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Andrew Jones To: Nikos Nikoleris Cc: Alexandru Elisei , kvm@vger.kernel.org, pbonzini@redhat.com, jade.alglave@arm.com, ricarkol@google.com Subject: Re: [kvm-unit-tests PATCH v3 15/27] arm/arm64: mmu_disable: Clean and invalidate before disabling Message-ID: <20220701103615.xtz2nnzc4uxi6xrc@kamzik> References: <20220630100324.3153655-1-nikos.nikoleris@arm.com> <20220630100324.3153655-16-nikos.nikoleris@arm.com> <16eda3c9-ec36-cd45-5c1a-0307f60dbc5f@arm.com> <218172cd-25fc-8888-96cc-a7b5a9c65f73@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <218172cd-25fc-8888-96cc-a7b5a9c65f73@arm.com> X-Migadu-Flow: FLOW_OUT X-Migadu-Auth-User: linux.dev Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On Thu, Jun 30, 2022 at 04:16:09PM +0100, Nikos Nikoleris wrote: ... > So unless UEFI maps all memory as Device-nGnRnE we have to do something. I > will try to find out more about UEFI's page tables. > UEFI will map memory as normal-cacheable. You may find section 2.3.6 of the UEFI spec informative. Thanks, drew