From patchwork Tue Oct 27 21:23:38 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sean Christopherson X-Patchwork-Id: 11861993 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=-12.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 7023EC4363A for ; Tue, 27 Oct 2020 22:04:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0DFCC20878 for ; Tue, 27 Oct 2020 22:04:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2505734AbgJ0WEz (ORCPT ); Tue, 27 Oct 2020 18:04:55 -0400 Received: from mga02.intel.com ([134.134.136.20]:56183 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S373764AbgJ0VXx (ORCPT ); Tue, 27 Oct 2020 17:23:53 -0400 IronPort-SDR: qlJE5TLc89lcrV2zCklCPu9OFDfQ0gKazQlVOG9QOzkJ3TFtVsl2TnrIRohWyGZAXs+nIrsp2Q egF7MxNKr6NA== X-IronPort-AV: E=McAfee;i="6000,8403,9787"; a="155133701" X-IronPort-AV: E=Sophos;i="5.77,424,1596524400"; d="scan'208";a="155133701" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Oct 2020 14:23:50 -0700 IronPort-SDR: 4JNPBWdgSdsf8ADQJ6GylQiZmOh5AeqfcZ/GD2hdtne5kLROeee31lwRVblU0yYgTzxuhEugf2 WXNYeknAejmQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.77,424,1596524400"; d="scan'208";a="524886383" Received: from sjchrist-coffee.jf.intel.com ([10.54.74.160]) by fmsmga006.fm.intel.com with ESMTP; 27 Oct 2020 14:23:50 -0700 From: Sean Christopherson To: Paolo Bonzini Cc: Sean Christopherson , Vitaly Kuznetsov , Wanpeng Li , Jim Mattson , Joerg Roedel , kvm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 03/11] KVM: VMX: Stash kvm_vmx in a local variable for Hyper-V paravirt TLB flush Date: Tue, 27 Oct 2020 14:23:38 -0700 Message-Id: <20201027212346.23409-4-sean.j.christopherson@intel.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201027212346.23409-1-sean.j.christopherson@intel.com> References: <20201027212346.23409-1-sean.j.christopherson@intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Capture kvm_vmx in a local variable instead of polluting hv_remote_flush_tlb_with_range() with to_kvm_vmx(kvm). No functional change intended. Reviewed-by: Vitaly Kuznetsov Signed-off-by: Sean Christopherson --- arch/x86/kvm/vmx/vmx.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c index ebc87df4da4d..a6442a861ffc 100644 --- a/arch/x86/kvm/vmx/vmx.c +++ b/arch/x86/kvm/vmx/vmx.c @@ -520,26 +520,27 @@ static inline int hv_remote_flush_eptp(u64 eptp, struct kvm_tlb_range *range) static int hv_remote_flush_tlb_with_range(struct kvm *kvm, struct kvm_tlb_range *range) { + struct kvm_vmx *kvm_vmx = to_kvm_vmx(kvm); struct kvm_vcpu *vcpu; int ret = 0, i; - spin_lock(&to_kvm_vmx(kvm)->ept_pointer_lock); + spin_lock(&kvm_vmx->ept_pointer_lock); - if (to_kvm_vmx(kvm)->ept_pointers_match == EPT_POINTERS_CHECK) + if (kvm_vmx->ept_pointers_match == EPT_POINTERS_CHECK) check_ept_pointer_match(kvm); - if (to_kvm_vmx(kvm)->ept_pointers_match != EPT_POINTERS_MATCH) { + if (kvm_vmx->ept_pointers_match != EPT_POINTERS_MATCH) { kvm_for_each_vcpu(i, vcpu, kvm) { /* If ept_pointer is invalid pointer, bypass flush request. */ if (VALID_PAGE(to_vmx(vcpu)->ept_pointer)) ret |= hv_remote_flush_eptp(to_vmx(vcpu)->ept_pointer, range); } - } else if (VALID_PAGE(to_kvm_vmx(kvm)->hv_tlb_eptp)) { - ret = hv_remote_flush_eptp(to_kvm_vmx(kvm)->hv_tlb_eptp, range); + } else if (VALID_PAGE(kvm_vmx->hv_tlb_eptp)) { + ret = hv_remote_flush_eptp(kvm_vmx->hv_tlb_eptp, range); } - spin_unlock(&to_kvm_vmx(kvm)->ept_pointer_lock); + spin_unlock(&kvm_vmx->ept_pointer_lock); return ret; } static int hv_remote_flush_tlb(struct kvm *kvm)