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=-11.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 96EB8C433E0 for ; Wed, 29 Jul 2020 13:40:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 701CB206D8 for ; Wed, 29 Jul 2020 13:40:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727113AbgG2Nj7 (ORCPT ); Wed, 29 Jul 2020 09:39:59 -0400 Received: from foss.arm.com ([217.140.110.172]:51864 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726365AbgG2Nj7 (ORCPT ); Wed, 29 Jul 2020 09:39:59 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 694621FB; Wed, 29 Jul 2020 06:39:58 -0700 (PDT) Received: from [192.168.1.84] (unknown [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 59E5C3F66E; Wed, 29 Jul 2020 06:39:56 -0700 (PDT) Subject: Re: [patch V5 00/15] entry, x86, kvm: Generic entry/exit functionality for host and guest To: Thomas Gleixner , LKML Cc: x86@kernel.org, linux-arch@vger.kernel.org, Will Deacon , Arnd Bergmann , Mark Rutland , Kees Cook , Keno Fischer , Paolo Bonzini , kvm@vger.kernel.org, Gabriel Krisman Bertazi , Sean Christopherson References: <20200722215954.464281930@linutronix.de> <878sf8tz51.fsf@nanos.tec.linutronix.de> From: Steven Price Message-ID: Date: Wed, 29 Jul 2020 14:39:51 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <878sf8tz51.fsf@nanos.tec.linutronix.de> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-GB Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 24/07/2020 21:51, Thomas Gleixner wrote: > Thomas Gleixner writes: >> This is the 5th version of generic entry/exit functionality for host and >> guest. > > I've merged the pile in two steps. Patch 1-5, i.e. the generic code is > here: > > git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git core/entry > > and merged this branch and patch 6-15 into > > git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/entry > > core/entry is immutable and any updates, changes go on top. It's meant > as a base for other architecture developers who want to fiddle with that > without having to get the x86 mess as well. Hi Thomas, Just FYI: I'm going to take a look at arm64 support for this. I know Mark previously posted[1] a series moving much of the code to C, so hopefully I can build on that and make use of the generic code. Thanks, Steve [1] https://lore.kernel.org/r/20200108185634.1163-1-mark.rutland@arm.com