Received: by 2002:a6b:500f:0:0:0:0:0 with SMTP id e15csp198589iob; Tue, 3 May 2022 15:02:27 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxG7Yhgsx9SMJujcnP3P6m4BrzO/aNSqBB8GGjxS4i5u28zX1nUcfV3A8On31KU59CJK3xB X-Received: by 2002:a92:6706:0:b0:2cd:f8ad:dddf with SMTP id b6-20020a926706000000b002cdf8addddfmr7570107ilc.212.1651615347400; Tue, 03 May 2022 15:02:27 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1651615347; cv=none; d=google.com; s=arc-20160816; b=kmwabDabx0Med5qVUZu8KX8LWcKf7Ij1hpRj1o3mBcHIeFakdjHSV1NddKFa8p/b15 nf6MYD+FpVsbC8hTPZa6gs3NqcuIxQN/AHMlgQy9gjv6SIt0WgwAPEP/f4Nz75/sMVYE ZYJ9id8B0KJSqhhHDbhjvYLUAMLPWawLf6yRWJ9nWvRMK1rUFrlf+Jco1s7hIc/hNFlw yw8yPQ7JyMLaGwiWABXiT/EqK+2v57o+sZPFcGEp2ITmdB44T0D1qrLgjqK+jtIOoAeG NzJ+cPr0oxBhurZgiYtYF68zSJPTu1rrbk0KRJrB6lT/F4YsXaxnYjesw1IBDztSXbxf gfkg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:mime-version:user-agent:references:in-reply-to :subject:cc:to:from:message-id:date:dkim-signature; bh=B/fuGHodHsxAsqmSMb4342O7+z+k1oAaFJx0cmISpos=; b=Hl5UdIskLZUVb9nLwLsEUx/fdwagOFF0hhGrrbIEXM8QFVUyEZ7FnA3lQjjvzNMHUg znRydXXsj+6YQHkNJYG/m0AeBDMa3fwVfAakb0oeQO74QTCKy5kWhptqFn+bT/cZF5Mq thsP4+Nz141f5fRSHQDjdjS4RSHHo8Eb4vtTSIRO4v1T9L8fbCtQwZ2lo7aHx2ghKR+F BpWW2aK0PlbIgY4ZodZGIyFsKVP0BU70I/dymoSSVntRJyqtmRoLBtC+2DOhaZFphhGV KX0HC+dNzla+kD3UHFKLieo3wJn4KU1t60ldjwwFej0/Mms0ZX28YJR4bZc5Nzv9uzq3 dszw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=KWJk8cLb; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id n18-20020a056638265200b0032b183a253asi11365283jat.149.2022.05.03.15.02.13; Tue, 03 May 2022 15:02:27 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=KWJk8cLb; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240279AbiECR2G (ORCPT + 99 others); Tue, 3 May 2022 13:28:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41596 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240273AbiECR2E (ORCPT ); Tue, 3 May 2022 13:28:04 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C3A343D49F; Tue, 3 May 2022 10:24:31 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 35EB36157D; Tue, 3 May 2022 17:24:31 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8E665C385A9; Tue, 3 May 2022 17:24:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1651598670; bh=ZclUTAJVzBmAqi9BEeXN8C+8mbdCK0z2xVVYE8dxTGw=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=KWJk8cLbF3BYq7Tluv9hEJA7x8pggxI5Obth4XqtfhIrsf7Pa3t21QthuzeyaYwI0 ZdouCzs88HYZUI1ZHDsGZM7AiDMUoGS8ubXhv4OaThgncdhWVCQMNphNE5cY0EWskk ePpZqv2/iqWbaeKufjyACAImqPOYh7r53pDnJWICtPn/DBHLN/NOErvPp2bV4mRuej 1vo6OignF/5H/z+nbw6GjTp+WbxvlnNAHDKc0bdOMoFcx82ZdcagdcUpCNNcLwBaZM 1Sajx7KbZlIMJZmcJdlj2470LQLrNPJ/xhUwKHhG75JhiB/C8G4UcdxFZSb9ymODWE lCiRdFSRxTweg== Received: from sofa.misterjones.org ([185.219.108.64] helo=why.misterjones.org) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1nlwGB-008ht2-Vk; Tue, 03 May 2022 18:24:28 +0100 Date: Tue, 03 May 2022 18:24:27 +0100 Message-ID: <878rri8r78.wl-maz@kernel.org> From: Marc Zyngier To: Raghavendra Rao Ananta Cc: Andrew Jones , James Morse , Alexandru Elisei , Suzuki K Poulose , Paolo Bonzini , Catalin Marinas , Will Deacon , Peter Shier , Ricardo Koller , Oliver Upton , Reiji Watanabe , Jing Zhang , linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, linux-kernel@vger.kernel.org, kvm@vger.kernel.org Subject: Re: [PATCH v7 0/9] KVM: arm64: Add support for hypercall services selection In-Reply-To: <20220502233853.1233742-1-rananta@google.com> References: <20220502233853.1233742-1-rananta@google.com> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/27.1 (x86_64-pc-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: rananta@google.com, drjones@redhat.com, james.morse@arm.com, alexandru.elisei@arm.com, suzuki.poulose@arm.com, pbonzini@redhat.com, catalin.marinas@arm.com, will@kernel.org, pshier@google.com, ricarkol@google.com, oupton@google.com, reijiw@google.com, jingzhangos@google.com, linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, linux-kernel@vger.kernel.org, kvm@vger.kernel.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-Spam-Status: No, score=-7.7 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 03 May 2022 00:38:44 +0100, Raghavendra Rao Ananta wrote: > > Hello, > > Continuing the discussion from [1], the series tries to add support > for the userspace to elect the hypercall services that it wishes > to expose to the guest, rather than the guest discovering them > unconditionally. The idea employed by the series was taken from > [1] as suggested by Marc Z. As it took some time to get there, and that there was still a bunch of things to address, I've taken the liberty to apply my own fixes to the series. Please have a look at [1], and let me know if you're OK with the result. If you are, I'll merge the series for 5.19. Thanks, M. [1] https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git/log/?h=kvm-arm64/hcall-selection -- Without deviation from the norm, progress is not possible.