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 724F2C433EF for ; Fri, 22 Oct 2021 01:00:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 577E46135F for ; Fri, 22 Oct 2021 01:00:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232154AbhJVBC0 (ORCPT ); Thu, 21 Oct 2021 21:02:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42602 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229512AbhJVBCZ (ORCPT ); Thu, 21 Oct 2021 21:02:25 -0400 Received: from mail-yb1-xb4a.google.com (mail-yb1-xb4a.google.com [IPv6:2607:f8b0:4864:20::b4a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DC80BC061764 for ; Thu, 21 Oct 2021 18:00:08 -0700 (PDT) Received: by mail-yb1-xb4a.google.com with SMTP id y16-20020a2586d0000000b005b752db8f97so2179829ybm.18 for ; Thu, 21 Oct 2021 18:00:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=reply-to:date:message-id:mime-version:subject:from:to:cc; bh=2UgrQ0TbtiMygLAQ30KfcdaZWOVXfYDqo/7DzZr+kXQ=; b=byM4g7M7PQ6D9fyuA99DCXow3SbtSFZcOZHnjVJgMCkmnQpxYhRff/XgUrEh9Vxg1T nmz22mu5RQ389eShoWaL3DnSFZKvNBs25oHnbbyhf1WuZfWXjhMr/USNfZfNYkyhsSl6 zOXDlCiUxaZy+qIOMhYDAdyQd+s19y7Ri1jT93ynQFPLYyxtLZvt7aUpjg3TYdk9aR8t CzTJ6whgeBUQwbqMW/jQx5Aa3WAM334TSkBgG5wIhKfj9EKluyZw1knuMihj3p1gA9LE 7/YpB4xWuPsGmlJIMBlqXJ3aOkFq763Vjgzw66YdNfOvYAENSFS0DEuslpVapCgeFvL3 ahHg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:reply-to:date:message-id:mime-version:subject :from:to:cc; bh=2UgrQ0TbtiMygLAQ30KfcdaZWOVXfYDqo/7DzZr+kXQ=; b=Z15jJIAXBeXrQMUatlHyegJTZqNIn/wluNTmrYmmcryZ20R79NW4wG3pjLS/JH0MQW lv5AtB1G2qdoRE5Y/qyU6TtqH4Rb7zntYmR7T+DAQTZ4TKbocsKkR7lDXFOLt7XW86FW iHb2OZPZbUaC6+5+uH7wU1z+82fnh+vs9gx94Wv86MiuawxQyodY3KMeODQ1lRbNvUkk kecFd+EfseEVuRdccfEGibUgyAsfBHorehFMtmqCSZzKHi6qUuB+QPkwUGKoYeNmoyjP nl2kSzE0bhSueATcNf35lzZc5Gl6FORSMwruOQ0wo6+zKtm8Nkj5r8OWOGbioYckLnka Qirg== X-Gm-Message-State: AOAM531bcmzvmlIg/WEEeohzKF34XFdeJsA/HRfs0kVRRlg3nW6aQ0ew 8qGSWiixxudf9IRaUX8JWg5rLGjC9lM= X-Google-Smtp-Source: ABdhPJyGehmVoo4k9RzI/CYf0VDRHZeq6+k4r/GhNtjW89q9nT4bvfEEaLKrZ1l/mRdMJYXQyuzlxB5dU1Y= X-Received: from seanjc798194.pdx.corp.google.com ([2620:15c:90:200:db63:c8c0:4e69:449d]) (user=seanjc job=sendgmr) by 2002:a25:8411:: with SMTP id u17mr10278689ybk.376.1634864408165; Thu, 21 Oct 2021 18:00:08 -0700 (PDT) Reply-To: Sean Christopherson Date: Thu, 21 Oct 2021 18:00:02 -0700 Message-Id: <20211022010005.1454978-1-seanjc@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.33.0.1079.g6e70778dc9-goog Subject: [PATCH 0/3] KVM: x86/mmu: Clean up kvm_zap_gfn_range() 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, Maxim Levitsky , "Maciej S . Szmigiero" , Ben Gardon Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Fix overzealous flushing in kvm_zap_gfn_range(), and clean up the mess that it's become by extracting the legacy MMU logic to a separate helper. Sean Christopherson (3): KVM: x86/mmu: Drop a redundant, broken remote TLB flush KVM: x86/mmu: Drop a redundant remote TLB flush in kvm_zap_gfn_range() KVM: x86/mmu: Extract zapping of rmaps for gfn range to separate helper arch/x86/kvm/mmu/mmu.c | 61 ++++++++++++++++++++++-------------------- 1 file changed, 32 insertions(+), 29 deletions(-) -- 2.33.0.1079.g6e70778dc9-goog