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 1C382C3A59D for ; Wed, 19 Oct 2022 15:55:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232428AbiJSPz2 (ORCPT ); Wed, 19 Oct 2022 11:55:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47902 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232356AbiJSPyx (ORCPT ); Wed, 19 Oct 2022 11:54:53 -0400 Received: from mail-ed1-x530.google.com (mail-ed1-x530.google.com [IPv6:2a00:1450:4864:20::530]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C154E179998 for ; Wed, 19 Oct 2022 08:52:44 -0700 (PDT) Received: by mail-ed1-x530.google.com with SMTP id a13so25963924edj.0 for ; Wed, 19 Oct 2022 08:52:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=D+geK99fBWdp7S2zDM4C3VUidei1SsKnOz1jjdUkhRw=; b=dEWV1sDV4kXLHev/Hf0F6/5EgNkXk+jSP5MubJFT1mtMEzrd0Su4L67vw2Cu3FelbA 7JmGBptdA8n2GhuqqwsT+tOLg5EgVgcAOGWmObLcsrHzKtFDkcKCWl/FITqP53I2kx78 V8/ZR1YpLgWj+N1ehWQQxqhOAZm4k9knX4TyFTeq3qO52XO5fnUjnaWt1U4TmMijI0uW sumVPG5JW5pMYkXeZvOWn7acri4szVe4PDz+ky/QjGRxpy4p+lgLcQcsPtFoI0urf1KU OMsJt0D9Cy0S4J+l0z/P3cNydADbJIVuFRhvlzvuFVEwFkZ9stQrrOent6f6qfFNAIfF jsPg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=D+geK99fBWdp7S2zDM4C3VUidei1SsKnOz1jjdUkhRw=; b=4cJwbT4BAjXwxBzXVnXZkipJEkTXgS+xbivNIwBZ1B58SS/wDNZY3IzEhVOdoc66zj niZyAoccuM/rHaVibUt787LAD9rTg2hRPTuxfK8664Qo3VeH5kSFz4IYPJrT4bK3i8rq 37+mOZMZp5Ejm3HhQefMqaOrcFkqaf+EZDRV949TooM/ZDgt/MpkKF7q2P3Q3FlnTsWd HXzDLFvvQqHW53487Kfu9prH1l0jErQ4+AM8gwz2GYiMi4cl18fN2Ysw7GTt/zILUQde lvQH4PP5UWHy/3Co4Jra03sGUf5Ka8hI0oHDXHRYGQS6jEdw/fdjB0IONRGxM9pjJVK1 qdXA== X-Gm-Message-State: ACrzQf3z7OH35PzEHQWeHAjG/fecdrYkpJYVQNnJBLAgPivjLvzXXS5I QgWlvtT9ylJL8J4STlzpXWkHIw== X-Google-Smtp-Source: AMsMyM5mBhT44kMTTWFESMD5g2Ta35xFYhiWJ7bOcxwEInRQ0foBv9qN42gqGXbQVduas/FNl/oLJA== X-Received: by 2002:a05:6402:c7:b0:457:cd5d:d777 with SMTP id i7-20020a05640200c700b00457cd5dd777mr7922898edu.245.1666194733534; Wed, 19 Oct 2022 08:52:13 -0700 (PDT) Received: from google.com (64.227.90.34.bc.googleusercontent.com. [34.90.227.64]) by smtp.gmail.com with ESMTPSA id v2-20020a1709067d8200b007815c3e95f6sm9274435ejo.146.2022.10.19.08.52.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 19 Oct 2022 08:52:13 -0700 (PDT) Date: Wed, 19 Oct 2022 15:52:10 +0000 From: Quentin Perret To: Will Deacon Cc: kvmarm@lists.linux.dev, Sean Christopherson , Vincent Donnefort , Alexandru Elisei , Catalin Marinas , James Morse , Chao Peng , Suzuki K Poulose , Mark Rutland , Fuad Tabba , Oliver Upton , Marc Zyngier , kernel-team@android.com, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH v4 20/25] KVM: arm64: Return guest memory from EL2 via dedicated teardown memcache Message-ID: References: <20221017115209.2099-1-will@kernel.org> <20221017115209.2099-21-will@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20221017115209.2099-21-will@kernel.org> Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On Monday 17 Oct 2022 at 12:52:04 (+0100), Will Deacon wrote: > struct kvm_protected_vm { > pkvm_handle_t handle; > struct mutex vm_lock; > - > - struct { > - void *pgd; > - void *vm; > - void *vcpus[KVM_MAX_VCPUS]; > - } hyp_donations; > + struct kvm_hyp_memcache teardown_mc; > }; Argh, I guess that somewhat invalidates my previous comment. Oh well :-)