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 mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3EE7DC433EF for ; Fri, 11 Mar 2022 08:48:54 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id DCBBB49EE7; Fri, 11 Mar 2022 03:48:53 -0500 (EST) X-Virus-Scanned: at lists.cs.columbia.edu Authentication-Results: mm01.cs.columbia.edu (amavisd-new); dkim=softfail (fail, message has been altered) header.i=@google.com Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id u+2JB3wgg0iL; Fri, 11 Mar 2022 03:48:52 -0500 (EST) Received: from mm01.cs.columbia.edu (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id AB8E049F4C; Fri, 11 Mar 2022 03:48:43 -0500 (EST) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 0E1A240C2B for ; Thu, 10 Mar 2022 19:25:52 -0500 (EST) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Li73fs9k8wPd for ; Thu, 10 Mar 2022 19:25:51 -0500 (EST) Received: from mail-pl1-f202.google.com (mail-pl1-f202.google.com [209.85.214.202]) by mm01.cs.columbia.edu (Postfix) with ESMTPS id F04DF40CF5 for ; Thu, 10 Mar 2022 19:25:50 -0500 (EST) Received: by mail-pl1-f202.google.com with SMTP id d14-20020a170902654e00b001518cc774d3so3569127pln.2 for ; Thu, 10 Mar 2022 16:25:50 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=zCJDCK8B0lL6JubhIyGfaHMZb5Qp7vvPx+3RInS6vEE=; b=bEo8CbzbHriKnkqNIGJfYKHguuXOz576eX2T4cHlipuA8XvhukRnyam2cGRz+vvTpw RKJ42EslOVMjlUZ5CqQ4Ro08rbQLot9XVom2AtVhJJsFRpPuXeGRD7+kE5bpRt8Qchq7 mMho4sxejFkUfAZbxPpKnDuYiyy3NfeZqL47umZAHwKfmYzRsaUKEQSMQF6uEpU395dt bTBuze3KrAItL51NXFJk8Yx6OLDDZZ+pkLmxqY+EN/KoiYLwEqHKxOtAT/Xc+klpzLNy L6eSziMkwAPaIASt9BXbcqjCoVM19WcMyU3KXGrS5/AslQMgCIEuuN29MySTWd/dS5VG L/aA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=zCJDCK8B0lL6JubhIyGfaHMZb5Qp7vvPx+3RInS6vEE=; b=vowjDDAt5Q+PhuNnHde+aaWcY1O+bGWWVLMbEzb+VxIzsNl3DaUzGGUU+xa1unTMru nQW5uLm4+7h4/BZDbSEa0e4UffxZo1aL1xw1E0EeCYpicoHdH3ndToGLxbyGIS1DRytN FIjuo0HJuypQ1aFLDbKd53KgwjtNnsP7P4+05gGGLF/YJg6sBKKcxgEcuNlGWhPtkyp4 KEkg8+0CkEi3PPN9Gw8Qsxz5HDYldpZq+PubmrcBFJ1XIg6cBHTMt3DV2JclpNG/kWOs QF+22aimQIJ8p0NwrypU58GhEM+u4wAsObjrHiEFZxotcK3sVKUmfEYMgp+11SKs4Kxe Mx4g== X-Gm-Message-State: AOAM533EzHKQcvDDNvN6Of67WvUXFam+apNbuBF6Q+UTUFq1jtKom3cp 9iXAluZoGycgSjG/s2pYLPaD73wC2t6zzA== X-Google-Smtp-Source: ABdhPJz4xnTY2m6Isi4IBgbuJhluKtEZACOCW6bqOZj5r5ynVvnXZt7dHD/2bSBFHfhe17fyQtZKmIVyCTxRMw== X-Received: from dmatlack-heavy.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:19cd]) (user=dmatlack job=sendgmr) by 2002:a05:6a00:238f:b0:4f7:78b1:2f6b with SMTP id f15-20020a056a00238f00b004f778b12f6bmr4873058pfc.17.1646958350133; Thu, 10 Mar 2022 16:25:50 -0800 (PST) Date: Fri, 11 Mar 2022 00:25:13 +0000 In-Reply-To: <20220311002528.2230172-1-dmatlack@google.com> Message-Id: <20220311002528.2230172-12-dmatlack@google.com> Mime-Version: 1.0 References: <20220311002528.2230172-1-dmatlack@google.com> X-Mailer: git-send-email 2.35.1.723.g4982287a31-goog Subject: [PATCH v2 11/26] KVM: x86/mmu: Use common code to allocate kvm_mmu_page structs from vCPU caches From: David Matlack To: Paolo Bonzini X-Mailman-Approved-At: Fri, 11 Mar 2022 03:48:42 -0500 Cc: Albert Ou , "open list:KERNEL VIRTUAL MACHINE FOR MIPS \(KVM/mips\)" , Marc Zyngier , Huacai Chen , "open list:KERNEL VIRTUAL MACHINE FOR MIPS \(KVM/mips\)" , David Matlack , Aleksandar Markovic , Palmer Dabbelt , "open list:KERNEL VIRTUAL MACHINE FOR RISC-V \(KVM/riscv\)" , Paul Walmsley , Ben Gardon , maciej.szmigiero@oracle.com, "moderated list:KERNEL VIRTUAL MACHINE FOR ARM64 \(KVM/arm64\)" , Peter Feiner X-BeenThere: kvmarm@lists.cs.columbia.edu X-Mailman-Version: 2.1.14 Precedence: list List-Id: Where KVM/ARM decisions are made List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu Now that allocating a kvm_mmu_page struct is isolated to a helper function, it can be re-used in the TDP MMU. No functional change intended. Signed-off-by: David Matlack --- arch/x86/kvm/mmu/mmu.c | 3 +-- arch/x86/kvm/mmu/mmu_internal.h | 1 + arch/x86/kvm/mmu/tdp_mmu.c | 8 +------- 3 files changed, 3 insertions(+), 9 deletions(-) diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c index 2dcafbef5ffc..4c8feaeb063d 100644 --- a/arch/x86/kvm/mmu/mmu.c +++ b/arch/x86/kvm/mmu/mmu.c @@ -1704,8 +1704,7 @@ 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_shadow_page(struct kvm_vcpu *vcpu, - bool direct) +struct kvm_mmu_page *kvm_mmu_alloc_shadow_page(struct kvm_vcpu *vcpu, bool direct) { struct kvm_mmu_page *sp; diff --git a/arch/x86/kvm/mmu/mmu_internal.h b/arch/x86/kvm/mmu/mmu_internal.h index 5f91e4d07a95..d4e2de5f2a6d 100644 --- a/arch/x86/kvm/mmu/mmu_internal.h +++ b/arch/x86/kvm/mmu/mmu_internal.h @@ -173,6 +173,7 @@ void unaccount_huge_nx_page(struct kvm *kvm, struct kvm_mmu_page *sp); struct kvm_mmu_page *kvm_mmu_alloc_direct_sp_for_split(bool locked); +struct kvm_mmu_page *kvm_mmu_alloc_shadow_page(struct kvm_vcpu *vcpu, bool direct); void kvm_mmu_free_shadow_page(struct kvm_mmu_page *sp); #endif /* __KVM_X86_MMU_INTERNAL_H */ diff --git a/arch/x86/kvm/mmu/tdp_mmu.c b/arch/x86/kvm/mmu/tdp_mmu.c index 184874a82a1b..f285fd76717b 100644 --- a/arch/x86/kvm/mmu/tdp_mmu.c +++ b/arch/x86/kvm/mmu/tdp_mmu.c @@ -269,13 +269,7 @@ static struct kvm_mmu_page *tdp_mmu_next_root(struct kvm *kvm, static struct kvm_mmu_page *tdp_mmu_alloc_sp(struct kvm_vcpu *vcpu) { - 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); - set_page_private(virt_to_page(sp->spt), (unsigned long)sp); - - return sp; + return kvm_mmu_alloc_shadow_page(vcpu, true); } static void tdp_mmu_init_sp(struct kvm_mmu_page *sp, tdp_ptep_t sptep, -- 2.35.1.723.g4982287a31-goog _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm