Message ID | 20211104002531.1176691-20-seanjc@google.com |
---|---|
State | New |
Headers | show
Return-Path: <kvm-ppc-owner@vger.kernel.org> X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: bilbo.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=google.com header.i=@google.com header.a=rsa-sha256 header.s=20210112 header.b=Uhm3v8WN; dkim-atps=neutral Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=kvm-ppc-owner@vger.kernel.org; receiver=<UNKNOWN>) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by bilbo.ozlabs.org (Postfix) with ESMTP id 4Hl4Gd6Jjkz9sPf for <incoming@patchwork.ozlabs.org>; Thu, 4 Nov 2021 11:27:37 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233400AbhKDAaM (ORCPT <rfc822;incoming@patchwork.ozlabs.org>); Wed, 3 Nov 2021 20:30:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52738 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233378AbhKDA3I (ORCPT <rfc822;kvm-ppc@vger.kernel.org>); Wed, 3 Nov 2021 20:29:08 -0400 Received: from mail-pf1-x449.google.com (mail-pf1-x449.google.com [IPv6:2607:f8b0:4864:20::449]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8A468C061714 for <kvm-ppc@vger.kernel.org>; Wed, 3 Nov 2021 17:26:31 -0700 (PDT) Received: by mail-pf1-x449.google.com with SMTP id l7-20020a622507000000b00494608c84a4so263204pfl.6 for <kvm-ppc@vger.kernel.org>; Wed, 03 Nov 2021 17:26:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=reply-to:date:in-reply-to:message-id:mime-version:references :subject:from:to:cc; bh=uYjj4f3K7aLt9wIaWKUjF6y1lKdICOYwfejCWHB3aF8=; b=Uhm3v8WNND1uUP79qkh3iF9ngMS/QpmsXEC/6vevUuzviyfyF3+tSzE2rdmLrNYnov ivEPHlTaSTgUBPTTi0LsyRVmw9xXp2mzAafjmpRwoFL1KovVk8wtgK3U+1IWl+jiRT2o 7QOXBMeLcoMyFIuk8nfYq8Z4cK4ySxLX4VQvCwivT4uBC8D1531XJeoZcVX+WcQdgv/2 15XpbR3gJyAolfjM0WcGNgJS3ceK1iyuvg9S+WhHGJq+B2HdNn7lGmW8IZ2NF2RpaP0n 2NlCasOBpN6Ngo/ODMi6fT9lbV6fzIJZALi7PZVoZsnpUFpAWoSzDGNfxoR0u+D8gkJP KhsQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:reply-to:date:in-reply-to:message-id :mime-version:references:subject:from:to:cc; bh=uYjj4f3K7aLt9wIaWKUjF6y1lKdICOYwfejCWHB3aF8=; b=eEyt+zY2HtN3mea6/iaJmMcKJ6NDr381GHlXURVHSGbnzNsoOR6rjbF/v041mOM0Bk Vgnnr7F4zMpHToMNwI1cdjr8Q/qU2L7eUu2EMFez9vR8fUyNbudIl8u5xhQd6GqCt35t KJE+9uqoTDNE87rbmMp8s3SELfFOUgFYuA7zA97lWDWcNw/Qypx4BDuquzu2dQNBS9pI mUalnRp4d3iFFVWpi+zX481YWYwsHteHzl9K5EFg4JvcjYPNW+grX4JXSrhKVDQlzJtk 2RoIERi7+or7VNErRydCwTvNMgsz+enMSsgCsmTGc2NuFVZtswswGNDlKZQ882raq++D vXmA== X-Gm-Message-State: AOAM533h6Km2pNJeRXXbvSLNWBZu6O23enxCGhlIzX6SSwUZmEhjOoji Md5A2h5vm38dWeuHrpYzpuCKkKEInB0= X-Google-Smtp-Source: ABdhPJyzJUVQ4+X7UL4YhSp9RCZBPi0XLOQZSFtg0LZxrgaDfXLCgqmWWI3ojjh232hTQrMrLyr2UsSbIBM= X-Received: from seanjc.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:3e5]) (user=seanjc job=sendgmr) by 2002:a05:6a00:1511:b0:492:61fe:9fa6 with SMTP id q17-20020a056a00151100b0049261fe9fa6mr9114017pfu.57.1635985590891; Wed, 03 Nov 2021 17:26:30 -0700 (PDT) Reply-To: Sean Christopherson <seanjc@google.com> Date: Thu, 4 Nov 2021 00:25:20 +0000 In-Reply-To: <20211104002531.1176691-1-seanjc@google.com> Message-Id: <20211104002531.1176691-20-seanjc@google.com> Mime-Version: 1.0 References: <20211104002531.1176691-1-seanjc@google.com> X-Mailer: git-send-email 2.33.1.1089.g2158813163f-goog Subject: [PATCH v5.5 19/30] KVM: x86: Don't call kvm_mmu_change_mmu_pages() if the count hasn't changed From: Sean Christopherson <seanjc@google.com> To: Marc Zyngier <maz@kernel.org>, Huacai Chen <chenhuacai@kernel.org>, Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>, Paul Mackerras <paulus@ozlabs.org>, Anup Patel <anup.patel@wdc.com>, Paul Walmsley <paul.walmsley@sifive.com>, Palmer Dabbelt <palmer@dabbelt.com>, Albert Ou <aou@eecs.berkeley.edu>, Christian Borntraeger <borntraeger@de.ibm.com>, Janosch Frank <frankja@linux.ibm.com>, Paolo Bonzini <pbonzini@redhat.com> Cc: James Morse <james.morse@arm.com>, Alexandru Elisei <alexandru.elisei@arm.com>, Suzuki K Poulose <suzuki.poulose@arm.com>, Atish Patra <atish.patra@wdc.com>, David Hildenbrand <david@redhat.com>, Cornelia Huck <cohuck@redhat.com>, Claudio Imbrenda <imbrenda@linux.ibm.com>, Sean Christopherson <seanjc@google.com>, Vitaly Kuznetsov <vkuznets@redhat.com>, Wanpeng Li <wanpengli@tencent.com>, Jim Mattson <jmattson@google.com>, Joerg Roedel <joro@8bytes.org>, linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, linux-mips@vger.kernel.org, kvm@vger.kernel.org, kvm-ppc@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, Ben Gardon <bgardon@google.com>, "Maciej S . Szmigiero" <maciej.szmigiero@oracle.com> Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: <kvm-ppc.vger.kernel.org> X-Mailing-List: kvm-ppc@vger.kernel.org |
Series |
KVM: Scalable memslots implementation
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diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 80183f7eadeb..4b0cb7390902 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -11836,7 +11836,8 @@ void kvm_arch_commit_memory_region(struct kvm *kvm, const struct kvm_memory_slot *new, enum kvm_mr_change change) { - if (!kvm->arch.n_requested_mmu_pages) + if (!kvm->arch.n_requested_mmu_pages && + (change == KVM_MR_CREATE || change == KVM_MR_DELETE)) kvm_mmu_change_mmu_pages(kvm, kvm_mmu_calculate_default_mmu_pages(kvm));