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=-4.0 required=3.0 tests=BAYES_00,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no 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 06316C433F5 for ; Mon, 6 Sep 2021 09:46:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E1A6B60EC0 for ; Mon, 6 Sep 2021 09:46:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241620AbhIFJrW (ORCPT ); Mon, 6 Sep 2021 05:47:22 -0400 Received: from mail.kernel.org ([198.145.29.99]:39684 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241617AbhIFJrU (ORCPT ); Mon, 6 Sep 2021 05:47:20 -0400 Received: from disco-boy.misterjones.org (disco-boy.misterjones.org [51.254.78.96]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 71D2A60E76; Mon, 6 Sep 2021 09:46:16 +0000 (UTC) Received: from 82-132-228-124.dab.02.net ([82.132.228.124] helo=wait-a-minute.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 1mNBCg-009E0M-LO; Mon, 06 Sep 2021 10:46:14 +0100 Date: Mon, 06 Sep 2021 10:46:13 +0100 Message-ID: <87eea2c9zu.wl-maz@kernel.org> From: Marc Zyngier To: Juergen Gross Cc: kvm@vger.kernel.org, x86@kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, ehabkost@redhat.com, James Morse , Alexandru Elisei , Suzuki K Poulose , Catalin Marinas , Will Deacon , Paolo Bonzini , Sean Christopherson , Vitaly Kuznetsov , Wanpeng Li , Jim Mattson , Joerg Roedel , Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H. Peter Anvin" , kvmarm@lists.cs.columbia.edu Subject: Re: [PATCH v2 5/6] kvm: allocate vcpu pointer array separately In-Reply-To: <37699e98-9a47-732d-8522-daa90f35c52f@suse.com> References: <20210903130808.30142-1-jgross@suse.com> <20210903130808.30142-6-jgross@suse.com> <871r65wwk7.wl-maz@kernel.org> <37699e98-9a47-732d-8522-daa90f35c52f@suse.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: 82.132.228.124 X-SA-Exim-Rcpt-To: jgross@suse.com, kvm@vger.kernel.org, x86@kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, ehabkost@redhat.com, james.morse@arm.com, alexandru.elisei@arm.com, suzuki.poulose@arm.com, catalin.marinas@arm.com, will@kernel.org, pbonzini@redhat.com, seanjc@google.com, vkuznets@redhat.com, wanpengli@tencent.com, jmattson@google.com, joro@8bytes.org, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, hpa@zytor.com, kvmarm@lists.cs.columbia.edu X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 06 Sep 2021 05:33:35 +0100, Juergen Gross wrote: > > On 03.09.21 16:41, Marc Zyngier wrote: > > > At this stage, I really wonder why we are not using an xarray instead. > > > > I wrote this [1] a while ago, and nothing caught fire. It was also a > > net deletion of code... > > Indeed, I'd prefer that solution! > > Are you fine with me swapping my patch with yours in the series? Of course, feel free to grab the whole series. You'll probably need the initial patches to set the scene for this. On their own, they are a nice cleanup, and I trust you can write a decent commit message for the three patches affecting mips/s390/x86. I would normally do that myself, but my network connectivity is reduced to almost nothing at the moment. Thanks, M. -- Without deviation from the norm, progress is not possible.