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=-16.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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 CFAACC4338F for ; Tue, 10 Aug 2021 20:53:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B5EAC610FE for ; Tue, 10 Aug 2021 20:53:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233963AbhHJUxg (ORCPT ); Tue, 10 Aug 2021 16:53:36 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:60621 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233799AbhHJUxd (ORCPT ); Tue, 10 Aug 2021 16:53:33 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1628628790; 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=aLAddfVojiifFo+GvROj0e+TzI2OA7v/Ggomph5ZjKA=; b=RxjKSHIXx9fKD4qnUE1M9Tv0PyEAaAhUHRghzsWQGAV6OfMR8NNzk0lj3TysqttrLwY86F DictSVYVE3P1+YmJLogSiBJZ0Fs3wrrUszxPa9fq03U2oSuimhkAYmHcYTm3BCl9M1KQYk 9t3mV+ZUBbB3LHxCuojW9dYUUijaKB8= 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-471-iaoaixOFPCi1LYR0r-5lhA-1; Tue, 10 Aug 2021 16:53:07 -0400 X-MC-Unique: iaoaixOFPCi1LYR0r-5lhA-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 4FEFE100CF6F; Tue, 10 Aug 2021 20:53:05 +0000 (UTC) Received: from localhost.localdomain (unknown [10.35.206.50]) by smtp.corp.redhat.com (Postfix) with ESMTP id 8C80C69CBA; Tue, 10 Aug 2021 20:53:01 +0000 (UTC) From: Maxim Levitsky To: kvm@vger.kernel.org Cc: Jim Mattson , linux-kernel@vger.kernel.org, Wanpeng Li , Borislav Petkov , Joerg Roedel , Suravee Suthikulpanit , "H. Peter Anvin" , Paolo Bonzini , Thomas Gleixner , Ingo Molnar , Vitaly Kuznetsov , Sean Christopherson , x86@kernel.org (maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)), Maxim Levitsky Subject: [PATCH v4 02/16] KVM: x86/mmu: fix parameters to kvm_flush_remote_tlbs_with_address Date: Tue, 10 Aug 2021 23:52:37 +0300 Message-Id: <20210810205251.424103-3-mlevitsk@redhat.com> In-Reply-To: <20210810205251.424103-1-mlevitsk@redhat.com> References: <20210810205251.424103-1-mlevitsk@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org kvm_flush_remote_tlbs_with_address expects (start gfn, number of pages), and not (start gfn, end gfn) Signed-off-by: Maxim Levitsky --- arch/x86/kvm/mmu/mmu.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c index 9e3839971844..3080e25c8a3a 100644 --- a/arch/x86/kvm/mmu/mmu.c +++ b/arch/x86/kvm/mmu/mmu.c @@ -5675,13 +5675,17 @@ void kvm_zap_gfn_range(struct kvm *kvm, gfn_t gfn_start, gfn_t gfn_end) } } if (flush) - kvm_flush_remote_tlbs_with_address(kvm, gfn_start, gfn_end); + kvm_flush_remote_tlbs_with_address(kvm, gfn_start, + gfn_end - gfn_start); } if (is_tdp_mmu_enabled(kvm)) { for (i = 0; i < KVM_ADDRESS_SPACE_NUM; i++) flush = kvm_tdp_mmu_zap_gfn_range(kvm, i, gfn_start, gfn_end, flush); + if (flush) + kvm_flush_remote_tlbs_with_address(kvm, gfn_start, + gfn_end - gfn_start); } if (flush) -- 2.26.3