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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8F109C433EF for ; Fri, 24 Sep 2021 16:32:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7592C604AC for ; Fri, 24 Sep 2021 16:32:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1347696AbhIXQeB (ORCPT ); Fri, 24 Sep 2021 12:34:01 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]:34337 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1347494AbhIXQdk (ORCPT ); Fri, 24 Sep 2021 12:33:40 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1632501126; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=oMd3mlble1sarM4+p7fceRGA3xM2nIsoq7CZoA8zc+Y=; b=TfdSGjmSPFVG+A3EcAJ+0vo0/BM1Tv/p86QK3PRsJjzqIgwXgoc9PhPK8SNP/8zsjK15V7 6GYhB92XX8CzdsT8AkAS99wCKHvZQrap2RglZGUf9+zYQ6XJIcu0+QH/8CRt8Sa/6zfW9V jzDZkXFVTvn+BdPQ5k8KQCfI2fVZ0WU= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-19-dRII3_NlMy-VPUttO-NsEg-1; Fri, 24 Sep 2021 12:32:03 -0400 X-MC-Unique: dRII3_NlMy-VPUttO-NsEg-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 0CBE610168C3; Fri, 24 Sep 2021 16:32:02 +0000 (UTC) Received: from virtlab701.virt.lab.eng.bos.redhat.com (virtlab701.virt.lab.eng.bos.redhat.com [10.19.152.228]) by smtp.corp.redhat.com (Postfix) with ESMTP id 9EC8060E1C; Fri, 24 Sep 2021 16:32:01 +0000 (UTC) From: Paolo Bonzini To: linux-kernel@vger.kernel.org, kvm@vger.kernel.org Cc: dmatlack@google.com, seanjc@google.com Subject: [PATCH v3 15/31] KVM: MMU: change tracepoints arguments to kvm_page_fault Date: Fri, 24 Sep 2021 12:31:36 -0400 Message-Id: <20210924163152.289027-16-pbonzini@redhat.com> In-Reply-To: <20210924163152.289027-1-pbonzini@redhat.com> References: <20210924163152.289027-1-pbonzini@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Pass struct kvm_page_fault to tracepoints instead of extracting the arguments from the struct. This also lets the kvm_mmu_spte_requested tracepoint pick the gfn directly from fault->gfn, instead of using the address. Signed-off-by: Paolo Bonzini --- arch/x86/kvm/mmu/mmu.c | 4 ++-- arch/x86/kvm/mmu/mmutrace.h | 18 +++++++++--------- arch/x86/kvm/mmu/paging_tmpl.h | 2 +- arch/x86/kvm/mmu/tdp_mmu.c | 2 +- 4 files changed, 13 insertions(+), 13 deletions(-) diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c index 7491dc685842..5ba0a844f576 100644 --- a/arch/x86/kvm/mmu/mmu.c +++ b/arch/x86/kvm/mmu/mmu.c @@ -2986,7 +2986,7 @@ static int __direct_map(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault) kvm_mmu_hugepage_adjust(vcpu, fault); - trace_kvm_mmu_spte_requested(fault->addr, fault->goal_level, fault->pfn); + trace_kvm_mmu_spte_requested(fault); for_each_shadow_entry(vcpu, fault->addr, it) { /* * We cannot overwrite existing page tables with an NX @@ -3276,7 +3276,7 @@ static int fast_page_fault(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault) } while (true); - trace_fast_page_fault(vcpu, fault->addr, fault->error_code, sptep, spte, ret); + trace_fast_page_fault(vcpu, fault, sptep, spte, ret); walk_shadow_page_lockless_end(vcpu); return ret; diff --git a/arch/x86/kvm/mmu/mmutrace.h b/arch/x86/kvm/mmu/mmutrace.h index 2924a4081a19..b8151bbca36a 100644 --- a/arch/x86/kvm/mmu/mmutrace.h +++ b/arch/x86/kvm/mmu/mmutrace.h @@ -252,9 +252,9 @@ TRACE_EVENT( TRACE_EVENT( fast_page_fault, - TP_PROTO(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa, u32 error_code, + TP_PROTO(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault, u64 *sptep, u64 old_spte, int ret), - TP_ARGS(vcpu, cr2_or_gpa, error_code, sptep, old_spte, ret), + TP_ARGS(vcpu, fault, sptep, old_spte, ret), TP_STRUCT__entry( __field(int, vcpu_id) @@ -268,8 +268,8 @@ TRACE_EVENT( TP_fast_assign( __entry->vcpu_id = vcpu->vcpu_id; - __entry->cr2_or_gpa = cr2_or_gpa; - __entry->error_code = error_code; + __entry->cr2_or_gpa = fault->addr; + __entry->error_code = fault->error_code; __entry->sptep = sptep; __entry->old_spte = old_spte; __entry->new_spte = *sptep; @@ -367,8 +367,8 @@ TRACE_EVENT( TRACE_EVENT( kvm_mmu_spte_requested, - TP_PROTO(gpa_t addr, int level, kvm_pfn_t pfn), - TP_ARGS(addr, level, pfn), + TP_PROTO(struct kvm_page_fault *fault), + TP_ARGS(fault), TP_STRUCT__entry( __field(u64, gfn) @@ -377,9 +377,9 @@ TRACE_EVENT( ), TP_fast_assign( - __entry->gfn = addr >> PAGE_SHIFT; - __entry->pfn = pfn | (__entry->gfn & (KVM_PAGES_PER_HPAGE(level) - 1)); - __entry->level = level; + __entry->gfn = fault->gfn; + __entry->pfn = fault->pfn | (fault->gfn & (KVM_PAGES_PER_HPAGE(fault->goal_level) - 1)); + __entry->level = fault->goal_level; ), TP_printk("gfn %llx pfn %llx level %d", diff --git a/arch/x86/kvm/mmu/paging_tmpl.h b/arch/x86/kvm/mmu/paging_tmpl.h index 4a263f4511a5..6bc0dbc0baff 100644 --- a/arch/x86/kvm/mmu/paging_tmpl.h +++ b/arch/x86/kvm/mmu/paging_tmpl.h @@ -730,7 +730,7 @@ static int FNAME(fetch)(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault, kvm_mmu_hugepage_adjust(vcpu, fault); - trace_kvm_mmu_spte_requested(fault->addr, gw->level, fault->pfn); + trace_kvm_mmu_spte_requested(fault); for (; shadow_walk_okay(&it); shadow_walk_next(&it)) { clear_sp_write_flooding_count(it.sptep); diff --git a/arch/x86/kvm/mmu/tdp_mmu.c b/arch/x86/kvm/mmu/tdp_mmu.c index 737af596adaf..3bf85a8c7d15 100644 --- a/arch/x86/kvm/mmu/tdp_mmu.c +++ b/arch/x86/kvm/mmu/tdp_mmu.c @@ -995,7 +995,7 @@ int kvm_tdp_mmu_map(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault) kvm_mmu_hugepage_adjust(vcpu, fault); - trace_kvm_mmu_spte_requested(fault->addr, fault->goal_level, fault->pfn); + trace_kvm_mmu_spte_requested(fault); rcu_read_lock(); -- 2.27.0