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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no 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 5143EC1975A for ; Wed, 25 Mar 2020 15:48:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3A48020719 for ; Wed, 25 Mar 2020 15:48:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727913AbgCYPsN (ORCPT ); Wed, 25 Mar 2020 11:48:13 -0400 Received: from mga03.intel.com ([134.134.136.65]:41526 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727488AbgCYPsM (ORCPT ); Wed, 25 Mar 2020 11:48:12 -0400 IronPort-SDR: H7QHC5JvcRqbdIxTOlGsqRWkg5rV+ZM8TKJjwjweEte28FiRCDtHFPN3/HjRTvdRhm93nSc4NZ iIC83QxYrHwQ== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Mar 2020 08:48:12 -0700 IronPort-SDR: cueDm/sOY9PGMvf3GoIW8dpFzWxkHFbyNLfYb/y86MuDHH4bAV7S6l6IHqmSdsP3daRE039x/X +IWa1pi/7NNg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.72,304,1580803200"; d="scan'208";a="446660860" Received: from sjchrist-coffee.jf.intel.com (HELO linux.intel.com) ([10.54.74.202]) by fmsmga005.fm.intel.com with ESMTP; 25 Mar 2020 08:48:10 -0700 Date: Wed, 25 Mar 2020 08:48:10 -0700 From: Sean Christopherson To: Vitaly Kuznetsov Cc: Paolo Bonzini , Wanpeng Li , Jim Mattson , Joerg Roedel , kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Ben Gardon , Junaid Shahid , Liran Alon , Boris Ostrovsky , John Haxby , Miaohe Lin , Tom Lendacky Subject: Re: [PATCH v3 14/37] KVM: x86: Move "flush guest's TLB" logic to separate kvm_x86_ops hook Message-ID: <20200325154810.GE14294@linux.intel.com> References: <20200320212833.3507-1-sean.j.christopherson@intel.com> <20200320212833.3507-15-sean.j.christopherson@intel.com> <87369w7mxe.fsf@vitty.brq.redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87369w7mxe.fsf@vitty.brq.redhat.com> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On Wed, Mar 25, 2020 at 11:23:41AM +0100, Vitaly Kuznetsov wrote: > Sean Christopherson writes: > I *think* I've commented on the previous version that we also have > hyperv-style PV TLB flush and this will likely need to be switched to > tlb_flush_guest(). Oh, you most definitely commented about HyperV's PV TLB flush, looking at that code is what led me down this rabbit hole :-)