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=-9.0 required=3.0 tests=BAYES_00,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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 84B1FC432BE for ; Wed, 4 Aug 2021 16:37:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 69D9161002 for ; Wed, 4 Aug 2021 16:37:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238220AbhHDQh1 (ORCPT ); Wed, 4 Aug 2021 12:37:27 -0400 Received: from mail-wr1-f48.google.com ([209.85.221.48]:36767 "EHLO mail-wr1-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229912AbhHDQh1 (ORCPT ); Wed, 4 Aug 2021 12:37:27 -0400 Received: by mail-wr1-f48.google.com with SMTP id b13so2957315wrs.3; Wed, 04 Aug 2021 09:37:12 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=pC7bibdDVPfsZA3a8PgeXYRmZOp++TNQJNDaoefINLI=; b=VnjQIIpXyrB36559cJ7xXvw53Hz9As+KSD1vfpxR7P7s8Xl2bZ3Q0z/Vhp6x5Rr6M0 hdr40zempkd8HCBCHy5eev0TWZMmBgsqYp79MzWzU0JjfhV/aHhkJNuS30c29skz9mdu ELzi77L2Yn32fMM5xmAAXS2fnqi6dcEhsMZRRdcxSgPhDMkUdHVn6NbNrhQ8wsgPCbEw wGi/tPl0sLsREFYC3Smue5zqz7Sh3tNYyp4UlyF11g0Fih6nBl2ZKEXJKEyePsH3tCrx mjoZGaPy2PYteQMzORH/Tp53BbB3abGSNfoM77CXO/V583OPqTka6AGZHFyvRz293RhN PeHg== X-Gm-Message-State: AOAM532981mbjhVEYd3weykepZ6xuBVDCjY/eLWgQdgRff1ycTpxDnBD bX8JjezTUfy5smz5CVs3Jnk= X-Google-Smtp-Source: ABdhPJwVdpP0+AGfnKTfw1KDUmM7zLy9gvSYD6gbCcZvRinE6pdU+9uBwN7GL5/jZV/QCDRKh0pXuw== X-Received: by 2002:adf:de8a:: with SMTP id w10mr253473wrl.61.1628095032373; Wed, 04 Aug 2021 09:37:12 -0700 (PDT) Received: from liuwe-devbox-debian-v2 ([51.145.34.42]) by smtp.gmail.com with ESMTPSA id h12sm2984204wrm.62.2021.08.04.09.37.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Aug 2021 09:37:11 -0700 (PDT) Date: Wed, 4 Aug 2021 16:37:09 +0000 From: Wei Liu To: Catalin Marinas Cc: Michael Kelley , will@kernel.org, mark.rutland@arm.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-hyperv@vger.kernel.org, linux-efi@vger.kernel.org, wei.liu@kernel.org, kys@microsoft.com, sthemmin@microsoft.com, ardb@kernel.org Subject: Re: [PATCH v12 0/5] Enable Linux guests on Hyper-V on ARM64 Message-ID: <20210804163709.afu53w5sk35k23m7@liuwe-devbox-debian-v2> References: <1628092359-61351-1-git-send-email-mikelley@microsoft.com> <20210804162555.GD4857@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210804162555.GD4857@arm.com> Precedence: bulk List-ID: X-Mailing-List: linux-efi@vger.kernel.org On Wed, Aug 04, 2021 at 05:25:57PM +0100, Catalin Marinas wrote: > On Wed, Aug 04, 2021 at 08:52:34AM -0700, Michael Kelley wrote: > > This series enables Linux guests running on Hyper-V on ARM64 > > hardware. New ARM64-specific code in arch/arm64/hyperv initializes > > Hyper-V and its hypercall mechanism. Existing architecture > > independent drivers for Hyper-V's VMbus and synthetic devices just > > work when built for ARM64. Hyper-V code is built and included in > > the image and modules only if CONFIG_HYPERV is enabled. > [...] > > Hyper-V on ARM64 runs with a 4 Kbyte page size, but allows guests > > with 4K/16K/64K page size. Linux guests with this patch series > > work with all three supported ARM64 page sizes. > > > > The Hyper-V vPCI driver at drivers/pci/host/pci-hyperv.c has > > x86/x64-specific code and is not being built for ARM64. Enabling > > Hyper-V vPCI devices on ARM64 is in progress via a separate set > > of patches. > > > > This patch set is based on the linux-next20210720 code tree. > > Is it possible to rebase this on top of -rc3? Are there any > dependencies or do you plan to upstream this via a different tree? Some prerequisite patches are in hyperv-next. https://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux.git/log/?h=hyperv-next Wei.