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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 24812C433FE for ; Thu, 10 Nov 2022 17:53:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231305AbiKJRxi (ORCPT ); Thu, 10 Nov 2022 12:53:38 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38252 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231324AbiKJRxg (ORCPT ); Thu, 10 Nov 2022 12:53:36 -0500 Received: from mail-pj1-x1030.google.com (mail-pj1-x1030.google.com [IPv6:2607:f8b0:4864:20::1030]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 75434240B0 for ; Thu, 10 Nov 2022 09:53:34 -0800 (PST) Received: by mail-pj1-x1030.google.com with SMTP id f5-20020a17090a4a8500b002131bb59d61so5918044pjh.1 for ; Thu, 10 Nov 2022 09:53:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=2oKQDlB6eYx+fAXvKZFnqwvhnIR4JQKKCXs9/v8+asA=; b=USq4b5Vh1OXggTCD0w44axvUCuw0wgwmRJONRIlB95PFBRewtOpmoKc7I2XbMFe+Jt py6SLDlrcfHe9Q3VO4+7dfiMGs6dPX9qHKjrdWteekp4+U/DoQ8k4+BtA12MyhPAKSwW oWUbDGwbmbtRu0HlyiAF1gzP3/dmYGn+4ag1yp2zQxUQz3Y8R8NAepQDJa1zRgnFTAwp 482q2MupCDGAkGCVertYK1p6MwGRwEAvRckuUOPwVBujunwWETFLz4d1bnde8cgKCLkj 6U6T7ZnM4yWVZOheoRcwISEPaZCMlXQ5G+O2GSFI15kWlhWhoPX3ZMRej3KuRu/bUqnC oRxQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=2oKQDlB6eYx+fAXvKZFnqwvhnIR4JQKKCXs9/v8+asA=; b=inHE2f1UYo2piJuVy4aKTAjT2z7+xxZr/6HR0IdVQcy+c1qMyMEQ0ZwNoWmm87xigl G3TAbpI1GWYiXyZiSsdw4moM5iVoaG+6wY31l7/O28NaUdVQstPCqoUNqSNEI46zlu2d /B5CHflVdHoQK3n09wuXnLdgacnBtWQBXFRd949RA/ASzN4LMP85oNOMVwX665GoPu5H 5bkKhOXtX2HDrU+aSBBmiknNV9hUC3NeA/d9fqoq1RDY/6wh3OOHw3FemTgmW1mdXWmj Pwhdm12eEAaj94CTvinCOIAuupurBoPKcQgJYQ3iUiD6iGma+TGbh5/qUtZQTzxV2PXN 2bhQ== X-Gm-Message-State: ANoB5pnz35bqZYWmH2ndrH0NbIpOgDtt5QHEn1+rspiQcKGwPnROH7Jd gcxH/t2PYrtJcdq+WoeiXi1Bzw== X-Google-Smtp-Source: AA0mqf5Tm7voUfqlq46fUuj/FQZ0U+LCKMGUSx8RMJOkkJOakWUAIRLRpdmCoJrBserqv+E6AVAQEA== X-Received: by 2002:a17:903:120f:b0:188:82fc:e259 with SMTP id l15-20020a170903120f00b0018882fce259mr18758217plh.61.1668102813812; Thu, 10 Nov 2022 09:53:33 -0800 (PST) Received: from google.com (7.104.168.34.bc.googleusercontent.com. [34.168.104.7]) by smtp.gmail.com with ESMTPSA id i13-20020a170902c94d00b00172e19c5f8bsm11666966pla.168.2022.11.10.09.53.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 10 Nov 2022 09:53:33 -0800 (PST) Date: Thu, 10 Nov 2022 17:53:29 +0000 From: Sean Christopherson To: Chao Peng Cc: Fuad Tabba , kvm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, linux-arch@vger.kernel.org, linux-api@vger.kernel.org, linux-doc@vger.kernel.org, qemu-devel@nongnu.org, Paolo Bonzini , Jonathan Corbet , Vitaly Kuznetsov , Wanpeng Li , Jim Mattson , Joerg Roedel , Thomas Gleixner , Ingo Molnar , Borislav Petkov , x86@kernel.org, "H . Peter Anvin" , Hugh Dickins , Jeff Layton , "J . Bruce Fields" , Andrew Morton , Shuah Khan , Mike Rapoport , Steven Price , "Maciej S . Szmigiero" , Vlastimil Babka , Vishal Annapurve , Yu Zhang , "Kirill A . Shutemov" , luto@kernel.org, jun.nakajima@intel.com, dave.hansen@intel.com, ak@linux.intel.com, david@redhat.com, aarcange@redhat.com, ddutile@redhat.com, dhildenb@redhat.com, Quentin Perret , Michael Roth , mhocko@suse.com, Muchun Song , wei.w.wang@intel.com Subject: Re: [PATCH v9 4/8] KVM: Use gfn instead of hva for mmu_notifier_retry Message-ID: References: <20221025151344.3784230-1-chao.p.peng@linux.intel.com> <20221025151344.3784230-5-chao.p.peng@linux.intel.com> <20221104022813.GA4129873@chaop.bj.intel.com> <20221108071624.GA76278@chaop.bj.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20221108071624.GA76278@chaop.bj.intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-arch@vger.kernel.org On Tue, Nov 08, 2022, Chao Peng wrote: > On Fri, Nov 04, 2022 at 10:29:48PM +0000, Sean Christopherson wrote: > > The APICv case that this was added for could very well be broken because of > > this, and the resulting failures would be an absolute nightmare to debug. > > Given the apicv_inhibit should be rare, the change looks good to me. > Just to be clear, your will send out this fix, right? Ya, I'll post an official patch.