From patchwork Thu Jan 10 18:07:02 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sean Christopherson X-Patchwork-Id: 10756593 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id CD8F06C2 for ; Thu, 10 Jan 2019 18:07:30 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BF30029E78 for ; Thu, 10 Jan 2019 18:07:30 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B396529E80; Thu, 10 Jan 2019 18:07:30 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5BF0B29E78 for ; Thu, 10 Jan 2019 18:07:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730829AbfAJSHZ (ORCPT ); Thu, 10 Jan 2019 13:07:25 -0500 Received: from mga06.intel.com ([134.134.136.31]:10463 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730801AbfAJSHV (ORCPT ); Thu, 10 Jan 2019 13:07:21 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga104.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 10 Jan 2019 10:07:19 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,462,1539673200"; d="scan'208";a="137176437" Received: from sjchrist-coffee.jf.intel.com ([10.54.74.154]) by fmsmga001.fm.intel.com with ESMTP; 10 Jan 2019 10:07:19 -0800 From: Sean Christopherson To: Paolo Bonzini , =?utf-8?b?UmFkaW0gS3LEjW3DocWZ?= Cc: kvm@vger.kernel.org, Xiao Guangrong Subject: [PATCH 10/14] Revert "KVM: MMU: add tracepoint for kvm_mmu_invalidate_all_pages" Date: Thu, 10 Jan 2019 10:07:02 -0800 Message-Id: <20190110180706.24974-11-sean.j.christopherson@intel.com> X-Mailer: git-send-email 2.19.2 In-Reply-To: <20190110180706.24974-1-sean.j.christopherson@intel.com> References: <20190110180706.24974-1-sean.j.christopherson@intel.com> MIME-Version: 1.0 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP ...as part of removing x86 KVM's fast invalidate mechanism, i.e. this is one part of a revert all patches from the series that introduced the mechanism[1]. This reverts commit 35006126f024f68727c67001b9cb703c38f69268. [1] https://lkml.kernel.org/r/1369960590-14138-1-git-send-email-xiaoguangrong@linux.vnet.ibm.com Cc: Xiao Guangrong Signed-off-by: Sean Christopherson --- arch/x86/kvm/mmu.c | 1 - arch/x86/kvm/mmutrace.h | 21 --------------------- 2 files changed, 22 deletions(-) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 431cc545ac92..ce5d5ec99fa5 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -5906,7 +5906,6 @@ static void kvm_zap_obsolete_pages(struct kvm *kvm) void kvm_mmu_invalidate_zap_all_pages(struct kvm *kvm) { spin_lock(&kvm->mmu_lock); - trace_kvm_mmu_invalidate_zap_all_pages(kvm); kvm->arch.mmu_valid_gen++; kvm_zap_obsolete_pages(kvm); diff --git a/arch/x86/kvm/mmutrace.h b/arch/x86/kvm/mmutrace.h index c73bf4e4988c..cac88910b310 100644 --- a/arch/x86/kvm/mmutrace.h +++ b/arch/x86/kvm/mmutrace.h @@ -282,27 +282,6 @@ TRACE_EVENT( ) ); -TRACE_EVENT( - kvm_mmu_invalidate_zap_all_pages, - TP_PROTO(struct kvm *kvm), - TP_ARGS(kvm), - - TP_STRUCT__entry( - __field(unsigned long, mmu_valid_gen) - __field(unsigned int, mmu_used_pages) - ), - - TP_fast_assign( - __entry->mmu_valid_gen = kvm->arch.mmu_valid_gen; - __entry->mmu_used_pages = kvm->arch.n_used_mmu_pages; - ), - - TP_printk("kvm-mmu-valid-gen %lx used_pages %x", - __entry->mmu_valid_gen, __entry->mmu_used_pages - ) -); - - TRACE_EVENT( check_mmio_spte, TP_PROTO(u64 spte, unsigned int kvm_gen, unsigned int spte_gen),