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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham 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 B26C2CA9EAF for ; Tue, 22 Oct 2019 01:59:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8D78221906 for ; Tue, 22 Oct 2019 01:59:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730873AbfJVB7j (ORCPT ); Mon, 21 Oct 2019 21:59:39 -0400 Received: from mga14.intel.com ([192.55.52.115]:61583 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730796AbfJVB7e (ORCPT ); Mon, 21 Oct 2019 21:59:34 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 21 Oct 2019 18:59:34 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.67,325,1566889200"; d="scan'208";a="196293754" Received: from sjchrist-coffee.jf.intel.com ([10.54.74.41]) by fmsmga008.fm.intel.com with ESMTP; 21 Oct 2019 18:59:33 -0700 From: Sean Christopherson To: Marc Zyngier , James Hogan , Paul Mackerras , Christian Borntraeger , Janosch Frank , Paolo Bonzini , =?UTF-8?q?Radim=20Kr=C4=8Dm=C3=A1=C5=99?= Cc: James Morse , Julien Thierry , Suzuki K Poulose , David Hildenbrand , Cornelia Huck , Sean Christopherson , Vitaly Kuznetsov , Wanpeng Li , Jim Mattson , Joerg Roedel , linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, linux-mips@vger.kernel.org, kvm-ppc@vger.kernel.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 04/45] KVM: VMX: Allocate VPID after initializing VCPU Date: Mon, 21 Oct 2019 18:58:44 -0700 Message-Id: <20191022015925.31916-5-sean.j.christopherson@intel.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20191022015925.31916-1-sean.j.christopherson@intel.com> References: <20191022015925.31916-1-sean.j.christopherson@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Do VPID allocation after calling the common kvm_vcpu_init() as a step towards doing vCPU allocation (via kmem_cache_zalloc()) and calling kvm_vcpu_init() back-to-back. Squishing allocation and initialization together will eventually allow the sequence to be moved to arch-agnostic creation code. Note, the VPID is not consumed until KVM_RUN, slightly delaying its allocation should have no real function impact. VPID allocation was arbitrarily placed in the original patch, commit 2384d2b326408 ("KVM: VMX: Enable Virtual Processor Identification (VPID)"). Signed-off-by: Sean Christopherson --- arch/x86/kvm/vmx/vmx.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c index e660e28e9ae0..501e88bd6204 100644 --- a/arch/x86/kvm/vmx/vmx.c +++ b/arch/x86/kvm/vmx/vmx.c @@ -6726,14 +6726,14 @@ static struct kvm_vcpu *vmx_create_vcpu(struct kvm *kvm, unsigned int id) goto free_user_fpu; } - vmx->vpid = allocate_vpid(); - err = kvm_vcpu_init(&vmx->vcpu, kvm, id); if (err) goto free_vcpu; err = -ENOMEM; + vmx->vpid = allocate_vpid(); + /* * If PML is turned on, failure on enabling PML just results in failure * of creating the vcpu, therefore we can simplify PML logic (by @@ -6823,8 +6823,8 @@ static struct kvm_vcpu *vmx_create_vcpu(struct kvm *kvm, unsigned int id) vmx_destroy_pml_buffer(vmx); uninit_vcpu: kvm_vcpu_uninit(&vmx->vcpu); + free_vpid(vmx->vpid); free_vcpu: - free_vpid(vmx->vpid); kmem_cache_free(x86_fpu_cache, vmx->vcpu.arch.guest_fpu); free_user_fpu: kmem_cache_free(x86_fpu_cache, vmx->vcpu.arch.user_fpu); -- 2.22.0 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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham 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 9BBD6CA9EB0 for ; Tue, 22 Oct 2019 01:59:41 +0000 (UTC) Received: from mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by mail.kernel.org (Postfix) with ESMTP id 568F421783 for ; Tue, 22 Oct 2019 01:59:41 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 568F421783 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvmarm-bounces@lists.cs.columbia.edu Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 113484A9E6; Mon, 21 Oct 2019 21:59:41 -0400 (EDT) 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 1i+1UPysCBDS; Mon, 21 Oct 2019 21:59:40 -0400 (EDT) Received: from mm01.cs.columbia.edu (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 765134A9EE; Mon, 21 Oct 2019 21:59:38 -0400 (EDT) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 60BB04A9C2 for ; Mon, 21 Oct 2019 21:59:36 -0400 (EDT) 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 1wyTG0RlcfTo for ; Mon, 21 Oct 2019 21:59:35 -0400 (EDT) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by mm01.cs.columbia.edu (Postfix) with ESMTPS id 3A3404A9A9 for ; Mon, 21 Oct 2019 21:59:35 -0400 (EDT) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 21 Oct 2019 18:59:34 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.67,325,1566889200"; d="scan'208";a="196293754" Received: from sjchrist-coffee.jf.intel.com ([10.54.74.41]) by fmsmga008.fm.intel.com with ESMTP; 21 Oct 2019 18:59:33 -0700 From: Sean Christopherson To: Marc Zyngier , James Hogan , Paul Mackerras , Christian Borntraeger , Janosch Frank , Paolo Bonzini , =?UTF-8?q?Radim=20Kr=C4=8Dm=C3=A1=C5=99?= Subject: [PATCH 04/45] KVM: VMX: Allocate VPID after initializing VCPU Date: Mon, 21 Oct 2019 18:58:44 -0700 Message-Id: <20191022015925.31916-5-sean.j.christopherson@intel.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20191022015925.31916-1-sean.j.christopherson@intel.com> References: <20191022015925.31916-1-sean.j.christopherson@intel.com> MIME-Version: 1.0 Cc: kvm-ppc@vger.kernel.org, Wanpeng Li , kvm@vger.kernel.org, David Hildenbrand , Joerg Roedel , Cornelia Huck , linux-mips@vger.kernel.org, Sean Christopherson , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Vitaly Kuznetsov , kvmarm@lists.cs.columbia.edu, Jim Mattson 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 Do VPID allocation after calling the common kvm_vcpu_init() as a step towards doing vCPU allocation (via kmem_cache_zalloc()) and calling kvm_vcpu_init() back-to-back. Squishing allocation and initialization together will eventually allow the sequence to be moved to arch-agnostic creation code. Note, the VPID is not consumed until KVM_RUN, slightly delaying its allocation should have no real function impact. VPID allocation was arbitrarily placed in the original patch, commit 2384d2b326408 ("KVM: VMX: Enable Virtual Processor Identification (VPID)"). Signed-off-by: Sean Christopherson --- arch/x86/kvm/vmx/vmx.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c index e660e28e9ae0..501e88bd6204 100644 --- a/arch/x86/kvm/vmx/vmx.c +++ b/arch/x86/kvm/vmx/vmx.c @@ -6726,14 +6726,14 @@ static struct kvm_vcpu *vmx_create_vcpu(struct kvm *kvm, unsigned int id) goto free_user_fpu; } - vmx->vpid = allocate_vpid(); - err = kvm_vcpu_init(&vmx->vcpu, kvm, id); if (err) goto free_vcpu; err = -ENOMEM; + vmx->vpid = allocate_vpid(); + /* * If PML is turned on, failure on enabling PML just results in failure * of creating the vcpu, therefore we can simplify PML logic (by @@ -6823,8 +6823,8 @@ static struct kvm_vcpu *vmx_create_vcpu(struct kvm *kvm, unsigned int id) vmx_destroy_pml_buffer(vmx); uninit_vcpu: kvm_vcpu_uninit(&vmx->vcpu); + free_vpid(vmx->vpid); free_vcpu: - free_vpid(vmx->vpid); kmem_cache_free(x86_fpu_cache, vmx->vcpu.arch.guest_fpu); free_user_fpu: kmem_cache_free(x86_fpu_cache, vmx->vcpu.arch.user_fpu); -- 2.22.0 _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm 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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 5EE9CCA9EAF for ; Tue, 22 Oct 2019 02:01:25 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2EB922173B for ; Tue, 22 Oct 2019 02:01:25 +0000 (UTC) Authentication-Results: mail.kernel.org; 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Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iMjU4-0006Wm-Fy; Tue, 22 Oct 2019 02:01:16 +0000 Received: from mga07.intel.com ([134.134.136.100]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iMjSR-0003sj-0H for linux-arm-kernel@lists.infradead.org; Tue, 22 Oct 2019 01:59:37 +0000 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by orsmga105.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 21 Oct 2019 18:59:34 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.67,325,1566889200"; d="scan'208";a="196293754" Received: from sjchrist-coffee.jf.intel.com ([10.54.74.41]) by fmsmga008.fm.intel.com with ESMTP; 21 Oct 2019 18:59:33 -0700 From: Sean Christopherson To: Marc Zyngier , James Hogan , Paul Mackerras , Christian Borntraeger , Janosch Frank , Paolo Bonzini , =?UTF-8?q?Radim=20Kr=C4=8Dm=C3=A1=C5=99?= Subject: [PATCH 04/45] KVM: VMX: Allocate VPID after initializing VCPU Date: Mon, 21 Oct 2019 18:58:44 -0700 Message-Id: <20191022015925.31916-5-sean.j.christopherson@intel.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20191022015925.31916-1-sean.j.christopherson@intel.com> References: <20191022015925.31916-1-sean.j.christopherson@intel.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191021_185935_089079_FBBBA2DC X-CRM114-Status: GOOD ( 13.17 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kvm-ppc@vger.kernel.org, Wanpeng Li , kvm@vger.kernel.org, David Hildenbrand , Joerg Roedel , Cornelia Huck , linux-mips@vger.kernel.org, Sean Christopherson , linux-kernel@vger.kernel.org, James Morse , linux-arm-kernel@lists.infradead.org, Vitaly Kuznetsov , Suzuki K Poulose , kvmarm@lists.cs.columbia.edu, Julien Thierry , Jim Mattson Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Do VPID allocation after calling the common kvm_vcpu_init() as a step towards doing vCPU allocation (via kmem_cache_zalloc()) and calling kvm_vcpu_init() back-to-back. Squishing allocation and initialization together will eventually allow the sequence to be moved to arch-agnostic creation code. Note, the VPID is not consumed until KVM_RUN, slightly delaying its allocation should have no real function impact. VPID allocation was arbitrarily placed in the original patch, commit 2384d2b326408 ("KVM: VMX: Enable Virtual Processor Identification (VPID)"). Signed-off-by: Sean Christopherson --- arch/x86/kvm/vmx/vmx.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c index e660e28e9ae0..501e88bd6204 100644 --- a/arch/x86/kvm/vmx/vmx.c +++ b/arch/x86/kvm/vmx/vmx.c @@ -6726,14 +6726,14 @@ static struct kvm_vcpu *vmx_create_vcpu(struct kvm *kvm, unsigned int id) goto free_user_fpu; } - vmx->vpid = allocate_vpid(); - err = kvm_vcpu_init(&vmx->vcpu, kvm, id); if (err) goto free_vcpu; err = -ENOMEM; + vmx->vpid = allocate_vpid(); + /* * If PML is turned on, failure on enabling PML just results in failure * of creating the vcpu, therefore we can simplify PML logic (by @@ -6823,8 +6823,8 @@ static struct kvm_vcpu *vmx_create_vcpu(struct kvm *kvm, unsigned int id) vmx_destroy_pml_buffer(vmx); uninit_vcpu: kvm_vcpu_uninit(&vmx->vcpu); + free_vpid(vmx->vpid); free_vcpu: - free_vpid(vmx->vpid); kmem_cache_free(x86_fpu_cache, vmx->vcpu.arch.guest_fpu); free_user_fpu: kmem_cache_free(x86_fpu_cache, vmx->vcpu.arch.user_fpu); -- 2.22.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sean Christopherson Date: Tue, 22 Oct 2019 01:58:44 +0000 Subject: [PATCH 04/45] KVM: VMX: Allocate VPID after initializing VCPU Message-Id: <20191022015925.31916-5-sean.j.christopherson@intel.com> List-Id: References: <20191022015925.31916-1-sean.j.christopherson@intel.com> In-Reply-To: <20191022015925.31916-1-sean.j.christopherson@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Marc Zyngier , James Hogan , Paul Mackerras , Christian Borntraeger , Janosch Frank , Paolo Bonzini , =?UTF-8?q?Radim=20Kr=C4=8Dm=C3=A1=C5=99?= Cc: James Morse , Julien Thierry , Suzuki K Poulose , David Hildenbrand , Cornelia Huck , Sean Christopherson , Vitaly Kuznetsov , Wanpeng Li , Jim Mattson , Joerg Roedel , linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, linux-mips@vger.kernel.org, kvm-ppc@vger.kernel.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org Do VPID allocation after calling the common kvm_vcpu_init() as a step towards doing vCPU allocation (via kmem_cache_zalloc()) and calling kvm_vcpu_init() back-to-back. Squishing allocation and initialization together will eventually allow the sequence to be moved to arch-agnostic creation code. Note, the VPID is not consumed until KVM_RUN, slightly delaying its allocation should have no real function impact. VPID allocation was arbitrarily placed in the original patch, commit 2384d2b326408 ("KVM: VMX: Enable Virtual Processor Identification (VPID)"). Signed-off-by: Sean Christopherson --- arch/x86/kvm/vmx/vmx.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c index e660e28e9ae0..501e88bd6204 100644 --- a/arch/x86/kvm/vmx/vmx.c +++ b/arch/x86/kvm/vmx/vmx.c @@ -6726,14 +6726,14 @@ static struct kvm_vcpu *vmx_create_vcpu(struct kvm *kvm, unsigned int id) goto free_user_fpu; } - vmx->vpid = allocate_vpid(); - err = kvm_vcpu_init(&vmx->vcpu, kvm, id); if (err) goto free_vcpu; err = -ENOMEM; + vmx->vpid = allocate_vpid(); + /* * If PML is turned on, failure on enabling PML just results in failure * of creating the vcpu, therefore we can simplify PML logic (by @@ -6823,8 +6823,8 @@ static struct kvm_vcpu *vmx_create_vcpu(struct kvm *kvm, unsigned int id) vmx_destroy_pml_buffer(vmx); uninit_vcpu: kvm_vcpu_uninit(&vmx->vcpu); + free_vpid(vmx->vpid); free_vcpu: - free_vpid(vmx->vpid); kmem_cache_free(x86_fpu_cache, vmx->vcpu.arch.guest_fpu); free_user_fpu: kmem_cache_free(x86_fpu_cache, vmx->vcpu.arch.user_fpu); -- 2.22.0