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 E2A9CC433EF for ; Tue, 29 Mar 2022 15:35:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238830AbiC2PhU (ORCPT ); Tue, 29 Mar 2022 11:37:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58160 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238809AbiC2PhN (ORCPT ); Tue, 29 Mar 2022 11:37:13 -0400 Received: from mail-pf1-x42b.google.com (mail-pf1-x42b.google.com [IPv6:2607:f8b0:4864:20::42b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EB73824F2A1; Tue, 29 Mar 2022 08:35:29 -0700 (PDT) Received: by mail-pf1-x42b.google.com with SMTP id t2so16203269pfj.10; Tue, 29 Mar 2022 08:35:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=ZaW1ShDM/2OnGyJMP0bodXnVQNIFn7WzT1GlIkRksjI=; b=aaN6MeHg94Te4I7Cta6tWpMAP48QzzbdXtyKtQcmJhXBSppoWEBehBQxN3CiutZyKk 25MgVQg7jcZIGeWDsuiou57WsZGo8lRLVLLkRyrCHHuvcuCiepsoEYwuDNRQ8oXhJJTP LcvswQ1ojfMcbVzgX939FhqAfnXo3D92dJWvyOtypFfUET7zNMKep2y1NsHeZhoJLCag E9OG7aQJSwXBM3d0JAU7BRIjcVYCOMR6Gfp9ipt2Gq/YfJIG/y1Piyn93joxp+f0vnm/ 6H+mih7UgzIL2lbVci6bgxGto6K61ZF2QU0BdeTMnwQlycKznLX+NZr0zdABGXe0IaP8 auvw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=ZaW1ShDM/2OnGyJMP0bodXnVQNIFn7WzT1GlIkRksjI=; b=vz1qzv/RATkdG2I9ViIUz/uoBv2MjEVWG/saqym+Nn/JOvSoGvTsPCw8h0gmSPPNYU oiulyr817ybQN1KNIyGm7YA+XFkS3oxnujUOHTaGwmmdtryhHdLR4jOsgWOgb4FKmEax WB7HcpWCbB20J69Z2aMqA2B4sW/Dfm83D920x0H3Tg2SA4U2FWwp2LobDRWFEdki5oga 4oAT8l4FZ0stGxiPmhH1mziOxGeueTPv1200EopYXHyYh1bne4rWJepLC0EA6MrweSsy 0NmFRHd3DxarXWVpPNUKnkmY0phZz3WK9ZPrWr0ofs6ztoKZ7+QimSih3YDtdhqxTJeM 1f0g== X-Gm-Message-State: AOAM533iv7zoGuHl9pl4YT9oewjGaONZ5pGF+O15wxV0ljtpHMg7vTmv mHxrOt1ajHV1LtLVjOyUU9bVi6D/h6o= X-Google-Smtp-Source: ABdhPJzMZGcLUB+u0PAc7F/aUR6QHUYJvodEUQrvUOixwzoxts5ogPz/PzbJAPFg4ZixNSganJluWw== X-Received: by 2002:a63:7b4a:0:b0:398:1337:e304 with SMTP id k10-20020a637b4a000000b003981337e304mr2407519pgn.371.1648568129045; Tue, 29 Mar 2022 08:35:29 -0700 (PDT) Received: from localhost ([47.251.3.230]) by smtp.gmail.com with ESMTPSA id s4-20020a056a00194400b004fb358ffe84sm12474241pfk.104.2022.03.29.08.35.27 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 29 Mar 2022 08:35:28 -0700 (PDT) From: Lai Jiangshan To: linux-kernel@vger.kernel.org, kvm@vger.kernel.org, Paolo Bonzini , Sean Christopherson Cc: Lai Jiangshan , Vitaly Kuznetsov , Wanpeng Li , Jim Mattson , Joerg Roedel , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" Subject: [RFC PATCH V2 1/4] KVM: X86: Add arguement gfn and role to kvm_mmu_alloc_page() Date: Tue, 29 Mar 2022 23:36:01 +0800 Message-Id: <20220329153604.507475-2-jiangshanlai@gmail.com> X-Mailer: git-send-email 2.19.1.6.gb485710b In-Reply-To: <20220329153604.507475-1-jiangshanlai@gmail.com> References: <20220329153604.507475-1-jiangshanlai@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Lai Jiangshan kvm_mmu_alloc_page() will access to more bits of the role. Signed-off-by: Lai Jiangshan --- arch/x86/kvm/mmu/mmu.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c index a7cb877f3784..8449ae089593 100644 --- a/arch/x86/kvm/mmu/mmu.c +++ b/arch/x86/kvm/mmu/mmu.c @@ -1706,13 +1706,14 @@ static void drop_parent_pte(struct kvm_mmu_page *sp, mmu_spte_clear_no_track(parent_pte); } -static struct kvm_mmu_page *kvm_mmu_alloc_page(struct kvm_vcpu *vcpu, int direct) +static struct kvm_mmu_page *kvm_mmu_alloc_page(struct kvm_vcpu *vcpu, gfn_t gfn, + union kvm_mmu_page_role role) { struct kvm_mmu_page *sp; sp = kvm_mmu_memory_cache_alloc(&vcpu->arch.mmu_page_header_cache); sp->spt = kvm_mmu_memory_cache_alloc(&vcpu->arch.mmu_shadow_page_cache); - if (!direct) + if (!role.direct) sp->gfns = kvm_mmu_memory_cache_alloc(&vcpu->arch.mmu_gfn_array_cache); set_page_private(virt_to_page(sp->spt), (unsigned long)sp); @@ -1724,6 +1725,8 @@ static struct kvm_mmu_page *kvm_mmu_alloc_page(struct kvm_vcpu *vcpu, int direct sp->mmu_valid_gen = vcpu->kvm->arch.mmu_valid_gen; list_add(&sp->link, &vcpu->kvm->arch.active_mmu_pages); kvm_mod_used_mmu_pages(vcpu->kvm, +1); + sp->gfn = gfn; + sp->role = role; return sp; } @@ -2107,10 +2110,7 @@ static struct kvm_mmu_page *kvm_mmu_get_page(struct kvm_vcpu *vcpu, ++vcpu->kvm->stat.mmu_cache_miss; - sp = kvm_mmu_alloc_page(vcpu, direct); - - sp->gfn = gfn; - sp->role = role; + sp = kvm_mmu_alloc_page(vcpu, gfn, role); hlist_add_head(&sp->hash_link, sp_list); if (!direct) { account_shadowed(vcpu->kvm, sp); -- 2.19.1.6.gb485710b