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 87F3EC433EF for ; Mon, 25 Oct 2021 15:48:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6E5AF60F02 for ; Mon, 25 Oct 2021 15:48:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233098AbhJYPu5 (ORCPT ); Mon, 25 Oct 2021 11:50:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58772 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232776AbhJYPuv (ORCPT ); Mon, 25 Oct 2021 11:50:51 -0400 Received: from mail-pj1-x102b.google.com (mail-pj1-x102b.google.com [IPv6:2607:f8b0:4864:20::102b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B2D28C061767 for ; Mon, 25 Oct 2021 08:48:29 -0700 (PDT) Received: by mail-pj1-x102b.google.com with SMTP id q2-20020a17090a2e0200b001a0fd4efd49so214233pjd.1 for ; Mon, 25 Oct 2021 08:48:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=0lZC/4YVNiq6m54gciVPWUG9HJx9IWHvMOAiOdASGoo=; b=QyfrOXYXYzIEyrLD44pl5e5qrBHvKskln3PRReuWzpAgV2++kLJzI050rqe2oVwX2v /YSSz3klIowpfUugVLMls4E5ALzM885A+JjaGYEd8dI6xPFGzSKWWGCwhTUoU1wJJ2+4 q6QXjhMZdsCR4vmwSFpvR/7/SOjlriEKOoj6W/QPj/mWp9yfleITVSt3gv9SSl80X7Ip BvJTrYEOJKTHV3pbSlO8IHWn3hT4T3KR9LJVANxEXG1UOo91F4D+Bcp+BL0MB5OCLaKP Mo/ai6V2iZC0VqjsN2MnwKzxW/qxPY5ehn5rtVsOHSmvZ7PywSIV88EiySKFBzouQ+tc 9/iA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=0lZC/4YVNiq6m54gciVPWUG9HJx9IWHvMOAiOdASGoo=; b=N0xtWbYh6annShsBoJhRmBWo7DKdYLsOE9Ndotgac1VWzKwFh+WQ3BPzNKMiz0jTNw YiBiHYC3fxEQ7y74Mk8redMGvqx03Ou4z/Si7GJ60kFF+36R9o/DT1iUqzq+sIGHxNkD HkZfY+SBInODqy+7VY7U8LamnpYwyfkIrvfDfu0YR/CzbTWs3SbVgdV49BmS5sDKua1U Gv8MNOuEFfA670mgnBHp2hj4xKhAAnnqSgW8A3GMw0Dc8CJA4RkSNj4maHA9fbjajpW8 +PTlFMafO/eWyqqdj/GkaN1+UAr1fqlYt2UEWpFiDVq7PlOCEic6XkEdB72Wz8vSNWdw uJPQ== X-Gm-Message-State: AOAM533dXKYFs0wgTqeEqkE1NQnYRvVDT99kfdQCUUYbpnulD/tvdd+F bi9aSZuKCMbzs2xO2Mvc6S5Zyg== X-Google-Smtp-Source: ABdhPJxrKJ5kv/isPaW6TJ/VoEghKiV6FVNK9Q5PXIGPB6cKE19gMMU7U+s4ZFt4KBH5EHg4mjv+Qw== X-Received: by 2002:a17:90a:bf0e:: with SMTP id c14mr5921807pjs.180.1635176908950; Mon, 25 Oct 2021 08:48:28 -0700 (PDT) Received: from google.com (157.214.185.35.bc.googleusercontent.com. [35.185.214.157]) by smtp.gmail.com with ESMTPSA id g5sm11457677pfc.65.2021.10.25.08.48.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 25 Oct 2021 08:48:28 -0700 (PDT) Date: Mon, 25 Oct 2021 15:48:24 +0000 From: Sean Christopherson To: Paolo Bonzini Cc: Marc Zyngier , Huacai Chen , Aleksandar Markovic , Paul Mackerras , Anup Patel , Paul Walmsley , Palmer Dabbelt , Albert Ou , Christian Borntraeger , Janosch Frank , James Morse , Alexandru Elisei , Suzuki K Poulose , Atish Patra , David Hildenbrand , Cornelia Huck , Claudio Imbrenda , Vitaly Kuznetsov , Wanpeng Li , Jim Mattson , Joerg Roedel , linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, linux-mips@vger.kernel.org, kvm@vger.kernel.org, kvm-ppc@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, David Matlack , Oliver Upton , Jing Zhang Subject: Re: [PATCH v2 37/43] KVM: SVM: Unconditionally mark AVIC as running on vCPU load (with APICv) Message-ID: References: <20211009021236.4122790-1-seanjc@google.com> <20211009021236.4122790-38-seanjc@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Oct 25, 2021, Paolo Bonzini wrote: > On 09/10/21 04:12, Sean Christopherson wrote: > > + /* TODO: Document why the unblocking path checks for updates. */ > > Is that a riddle or what? :) Yes? I haven't been able to figure out why the unblocking path explicitly checks and handles an APICv update. 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 EB2ABC433F5 for ; Mon, 25 Oct 2021 15:49:03 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A206E60720 for ; Mon, 25 Oct 2021 15:49:03 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org A206E60720 Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=google.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=vHIY0R5/E9IvGddaEISk7K7RASzTi0PYqrIh5rWjrDs=; b=jmIydLT9SZQ8dD KAJToOs/yxaWHj6uBEIRyiKW68LxU5RxBqG3bcnugCmvjjLlMj9sIFYgA66AJKvA2XgVIxlQcAnaN RzsBYavs2VE/PrTbet8/7mFyo9P8qgjlsewkaRRgbyYfL6IX2QypwAJlD292Z1l02uH/MlDKHzLmY LLGSp7XexzTM8HJmhTLo02yAS3LkJiv111YsT0S4rblf6uHO9Vu51YxhR1raf0og6UxQAQYI9gync fftqz9Yp7y+34nT65xEHkCtCNsodtE8xU7pQlq3ctNi7jz0N1Cc8kETSvXj4zcKP976nNOakrn8eF WF2CizLKEAxB7Fxc6GNg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mf2DQ-00GuoB-94; Mon, 25 Oct 2021 15:48:48 +0000 Received: from mail-pl1-x632.google.com ([2607:f8b0:4864:20::632]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mf2DB-00GukE-Ja for linux-riscv@lists.infradead.org; Mon, 25 Oct 2021 15:48:36 +0000 Received: by mail-pl1-x632.google.com with SMTP id v16so2837738ple.9 for ; Mon, 25 Oct 2021 08:48:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=0lZC/4YVNiq6m54gciVPWUG9HJx9IWHvMOAiOdASGoo=; b=QyfrOXYXYzIEyrLD44pl5e5qrBHvKskln3PRReuWzpAgV2++kLJzI050rqe2oVwX2v /YSSz3klIowpfUugVLMls4E5ALzM885A+JjaGYEd8dI6xPFGzSKWWGCwhTUoU1wJJ2+4 q6QXjhMZdsCR4vmwSFpvR/7/SOjlriEKOoj6W/QPj/mWp9yfleITVSt3gv9SSl80X7Ip BvJTrYEOJKTHV3pbSlO8IHWn3hT4T3KR9LJVANxEXG1UOo91F4D+Bcp+BL0MB5OCLaKP Mo/ai6V2iZC0VqjsN2MnwKzxW/qxPY5ehn5rtVsOHSmvZ7PywSIV88EiySKFBzouQ+tc 9/iA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=0lZC/4YVNiq6m54gciVPWUG9HJx9IWHvMOAiOdASGoo=; b=nvUixniWIFJWCqCRpB3+86YH5LgfGJKSsJ4GuveVQ+4EpMeMx/h2GcY3pH8xz5L7Ln ieepGQIQ/bTzbhKbYIOvY6UQ2nV5y6mnp0AyBp3hGhpPIbZQt53rezlb1B7myysoqI/e ps+eD/S+I+MIqbBfWpvP10quQU8VmP2mCaEkLGC3HEr2AdZqoZhMltnIeC6no40pTaio Dy+o+xqAXjlC2Fdrzqon4Xxu8ToqNZksgqT8UQTLhI7CC6u1lv84tDnD2gVsmLGymOhB h6mRsXpHkyxCfH/3m2x9UWvxyWbmiE5nU+wcATEL6ejLlWXneSyCJPjdMY08dEfMdlLz kyGg== X-Gm-Message-State: AOAM5338aOFiCa+5Qk2agQkA5BItrMC99yxx1PHdYupoyqC2W3nPhjuB vD9qrq7HHq/4KfamBy9wQjRshA== X-Google-Smtp-Source: ABdhPJxrKJ5kv/isPaW6TJ/VoEghKiV6FVNK9Q5PXIGPB6cKE19gMMU7U+s4ZFt4KBH5EHg4mjv+Qw== X-Received: by 2002:a17:90a:bf0e:: with SMTP id c14mr5921807pjs.180.1635176908950; Mon, 25 Oct 2021 08:48:28 -0700 (PDT) Received: from google.com (157.214.185.35.bc.googleusercontent.com. [35.185.214.157]) by smtp.gmail.com with ESMTPSA id g5sm11457677pfc.65.2021.10.25.08.48.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 25 Oct 2021 08:48:28 -0700 (PDT) Date: Mon, 25 Oct 2021 15:48:24 +0000 From: Sean Christopherson To: Paolo Bonzini Cc: Marc Zyngier , Huacai Chen , Aleksandar Markovic , Paul Mackerras , Anup Patel , Paul Walmsley , Palmer Dabbelt , Albert Ou , Christian Borntraeger , Janosch Frank , James Morse , Alexandru Elisei , Suzuki K Poulose , Atish Patra , David Hildenbrand , Cornelia Huck , Claudio Imbrenda , Vitaly Kuznetsov , Wanpeng Li , Jim Mattson , Joerg Roedel , linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, linux-mips@vger.kernel.org, kvm@vger.kernel.org, kvm-ppc@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, David Matlack , Oliver Upton , Jing Zhang Subject: Re: [PATCH v2 37/43] KVM: SVM: Unconditionally mark AVIC as running on vCPU load (with APICv) Message-ID: References: <20211009021236.4122790-1-seanjc@google.com> <20211009021236.4122790-38-seanjc@google.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211025_084833_676346_CAE43D40 X-CRM114-Status: UNSURE ( 8.20 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On Mon, Oct 25, 2021, Paolo Bonzini wrote: > On 09/10/21 04:12, Sean Christopherson wrote: > > + /* TODO: Document why the unblocking path checks for updates. */ > > Is that a riddle or what? :) Yes? I haven't been able to figure out why the unblocking path explicitly checks and handles an APICv update. _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv 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 63E24C433FE for ; Mon, 25 Oct 2021 15:48:35 +0000 (UTC) Received: from mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by mail.kernel.org (Postfix) with ESMTP id CFFF560F70 for ; Mon, 25 Oct 2021 15:48:34 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org CFFF560F70 Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=google.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=lists.cs.columbia.edu Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 42E9C4B11E; Mon, 25 Oct 2021 11:48:34 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu Authentication-Results: mm01.cs.columbia.edu (amavisd-new); dkim=softfail (fail, message has been altered) header.i=@google.com Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id MlqZzFO6ibiZ; Mon, 25 Oct 2021 11:48:32 -0400 (EDT) Received: from mm01.cs.columbia.edu (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id EA7F44B0EC; Mon, 25 Oct 2021 11:48:32 -0400 (EDT) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id AC2014B0DD for ; Mon, 25 Oct 2021 11:48:31 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id sTtAlG5jiqIL for ; Mon, 25 Oct 2021 11:48:30 -0400 (EDT) Received: from mail-pl1-f170.google.com (mail-pl1-f170.google.com [209.85.214.170]) by mm01.cs.columbia.edu (Postfix) with ESMTPS id 4A000406E0 for ; Mon, 25 Oct 2021 11:48:30 -0400 (EDT) Received: by mail-pl1-f170.google.com with SMTP id n11so8227696plf.4 for ; Mon, 25 Oct 2021 08:48:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=0lZC/4YVNiq6m54gciVPWUG9HJx9IWHvMOAiOdASGoo=; b=QyfrOXYXYzIEyrLD44pl5e5qrBHvKskln3PRReuWzpAgV2++kLJzI050rqe2oVwX2v /YSSz3klIowpfUugVLMls4E5ALzM885A+JjaGYEd8dI6xPFGzSKWWGCwhTUoU1wJJ2+4 q6QXjhMZdsCR4vmwSFpvR/7/SOjlriEKOoj6W/QPj/mWp9yfleITVSt3gv9SSl80X7Ip BvJTrYEOJKTHV3pbSlO8IHWn3hT4T3KR9LJVANxEXG1UOo91F4D+Bcp+BL0MB5OCLaKP Mo/ai6V2iZC0VqjsN2MnwKzxW/qxPY5ehn5rtVsOHSmvZ7PywSIV88EiySKFBzouQ+tc 9/iA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=0lZC/4YVNiq6m54gciVPWUG9HJx9IWHvMOAiOdASGoo=; b=yCJGU970hcTcOh7JQia9VwI847+v7glyMzb0TpTduKO56rddOuHSvHH9huBgIv7yc4 9RCBsgQWagVRCqS7ChdTZKij/lxHEnlPhdY26rf8AHGfwT/j1UGJRtogw4HZ/YHahJN+ uAgC1oyBh2HoBP3GRGl6iBQVEB0MgQdkChkC7b7p9OIkk5rJuMHdd9rUTC6kNXiTkbqN ydA5SeInZo9+ov/1IfGdXKpi0l9NnUKhJuxgrwoi94O1zfn86d+J2bOzNt802mJwV4V1 Rwael9C8R5kEARZ2GZf7xP0dWbayapPm17C/xHCDtXieadHAi4RQJAFJJqB1BJAn6M+q o+aQ== X-Gm-Message-State: AOAM530kcNdP0kW4YYaSJY0U3WmV4LHGc63Qscx51q7Lutg0gvNsYTZE ovTmy2VIa8WHbirECD8HmM2vVQ== X-Google-Smtp-Source: ABdhPJxrKJ5kv/isPaW6TJ/VoEghKiV6FVNK9Q5PXIGPB6cKE19gMMU7U+s4ZFt4KBH5EHg4mjv+Qw== X-Received: by 2002:a17:90a:bf0e:: with SMTP id c14mr5921807pjs.180.1635176908950; Mon, 25 Oct 2021 08:48:28 -0700 (PDT) Received: from google.com (157.214.185.35.bc.googleusercontent.com. [35.185.214.157]) by smtp.gmail.com with ESMTPSA id g5sm11457677pfc.65.2021.10.25.08.48.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 25 Oct 2021 08:48:28 -0700 (PDT) Date: Mon, 25 Oct 2021 15:48:24 +0000 From: Sean Christopherson To: Paolo Bonzini Subject: Re: [PATCH v2 37/43] KVM: SVM: Unconditionally mark AVIC as running on vCPU load (with APICv) Message-ID: References: <20211009021236.4122790-1-seanjc@google.com> <20211009021236.4122790-38-seanjc@google.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Cc: Cornelia Huck , Wanpeng Li , kvm@vger.kernel.org, David Hildenbrand , linux-kernel@vger.kernel.org, Paul Mackerras , Atish Patra , linux-riscv@lists.infradead.org, Claudio Imbrenda , kvmarm@lists.cs.columbia.edu, Janosch Frank , Marc Zyngier , Joerg Roedel , Huacai Chen , Christian Borntraeger , Aleksandar Markovic , Albert Ou , kvm-ppc@vger.kernel.org, Paul Walmsley , David Matlack , linux-arm-kernel@lists.infradead.org, Jim Mattson , Anup Patel , linux-mips@vger.kernel.org, Palmer Dabbelt , kvm-riscv@lists.infradead.org, Vitaly Kuznetsov X-BeenThere: kvmarm@lists.cs.columbia.edu X-Mailman-Version: 2.1.14 Precedence: list List-Id: Where KVM/ARM decisions are made List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu On Mon, Oct 25, 2021, Paolo Bonzini wrote: > On 09/10/21 04:12, Sean Christopherson wrote: > > + /* TODO: Document why the unblocking path checks for updates. */ > > Is that a riddle or what? :) Yes? I haven't been able to figure out why the unblocking path explicitly checks and handles an APICv update. _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm 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 4FAF2C433F5 for ; Mon, 25 Oct 2021 15:50:02 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 1175B60F02 for ; Mon, 25 Oct 2021 15:50:02 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 1175B60F02 Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=google.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=uRDbseDk3/8lp8RaL6fbCzqyxeBZfgLlFpFTqhXW4l0=; b=QQkI0NeribPP+r 4VD0urT+aObuwzeWiw63N6+2FoCDYbEKezQAHR2rdbHDMicTYWVN8J1AvGbSBOxAjNgXA4Kwq++ET GRqbl5rfs1fYNh3z09NNOnMrS0T0giVYXcQHPLtrhbTiVgmJZ4DfPtOq5aPLKwhOEzbPVjclyqM10 RMky3bzNerKiPsRf3oe5snRCVCaxMSXQL3q78IS9qPs2cCZSjQRjPSTUVT+686u0UIg2xE+LVpPOi SZI9eLt2d7mbg0syCm4dy6tpc22h3WfKdMuD4B06PZjzqLb8i6aseLSa3GFS4Ap9Di+s6YZYLjZrq w/KWjtF0pjgLPhnUaU6w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mf2DF-00GumI-R7; Mon, 25 Oct 2021 15:48:38 +0000 Received: from mail-pl1-x632.google.com ([2607:f8b0:4864:20::632]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mf2DB-00GukF-JK for linux-arm-kernel@lists.infradead.org; Mon, 25 Oct 2021 15:48:34 +0000 Received: by mail-pl1-x632.google.com with SMTP id n12so3547150plc.2 for ; Mon, 25 Oct 2021 08:48:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=0lZC/4YVNiq6m54gciVPWUG9HJx9IWHvMOAiOdASGoo=; b=QyfrOXYXYzIEyrLD44pl5e5qrBHvKskln3PRReuWzpAgV2++kLJzI050rqe2oVwX2v /YSSz3klIowpfUugVLMls4E5ALzM885A+JjaGYEd8dI6xPFGzSKWWGCwhTUoU1wJJ2+4 q6QXjhMZdsCR4vmwSFpvR/7/SOjlriEKOoj6W/QPj/mWp9yfleITVSt3gv9SSl80X7Ip BvJTrYEOJKTHV3pbSlO8IHWn3hT4T3KR9LJVANxEXG1UOo91F4D+Bcp+BL0MB5OCLaKP Mo/ai6V2iZC0VqjsN2MnwKzxW/qxPY5ehn5rtVsOHSmvZ7PywSIV88EiySKFBzouQ+tc 9/iA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=0lZC/4YVNiq6m54gciVPWUG9HJx9IWHvMOAiOdASGoo=; b=XZa4/RfoyUGxbrJQw3EIPCag2BOr5tbqTG/z7PARkXoKfSX90b4y/1o+nH4pT4j9Ph 3HYQBJ3FveFFvphpB3BVE6dG88L2qePIDmb8LkJut58Dsw8PZz2Cx64kntCgvn62ftgp JhYJEnxlFQn8FEferpVQDD3HXbP3rwNi8QMdU+y4J1yNT3EkpBoCnOzZeiEytjYCWjB4 Pk0MpKGLlaS++lNgtW8BK0h6Djn76nZmmPRRWpLaz4Zf+2h3bA/Z7jGUqyhdb+gey8+h 42scQGRvDUVxAIpyvwNIkwfC4c2eAy0ilvLPiwrapFf6jRfxFr3atQRh5SnAN29lhlah aZ2g== X-Gm-Message-State: AOAM531YUYTALEmkDOQgwrGvnZvOjE9FZlPynJ0Vbpz0ibpNAYNRwXzw c3undv3fUh6fri0BMxUuvtL+oA== X-Google-Smtp-Source: ABdhPJxrKJ5kv/isPaW6TJ/VoEghKiV6FVNK9Q5PXIGPB6cKE19gMMU7U+s4ZFt4KBH5EHg4mjv+Qw== X-Received: by 2002:a17:90a:bf0e:: with SMTP id c14mr5921807pjs.180.1635176908950; Mon, 25 Oct 2021 08:48:28 -0700 (PDT) Received: from google.com (157.214.185.35.bc.googleusercontent.com. [35.185.214.157]) by smtp.gmail.com with ESMTPSA id g5sm11457677pfc.65.2021.10.25.08.48.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 25 Oct 2021 08:48:28 -0700 (PDT) Date: Mon, 25 Oct 2021 15:48:24 +0000 From: Sean Christopherson To: Paolo Bonzini Cc: Marc Zyngier , Huacai Chen , Aleksandar Markovic , Paul Mackerras , Anup Patel , Paul Walmsley , Palmer Dabbelt , Albert Ou , Christian Borntraeger , Janosch Frank , James Morse , Alexandru Elisei , Suzuki K Poulose , Atish Patra , David Hildenbrand , Cornelia Huck , Claudio Imbrenda , Vitaly Kuznetsov , Wanpeng Li , Jim Mattson , Joerg Roedel , linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, linux-mips@vger.kernel.org, kvm@vger.kernel.org, kvm-ppc@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, David Matlack , Oliver Upton , Jing Zhang Subject: Re: [PATCH v2 37/43] KVM: SVM: Unconditionally mark AVIC as running on vCPU load (with APICv) Message-ID: References: <20211009021236.4122790-1-seanjc@google.com> <20211009021236.4122790-38-seanjc@google.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211025_084833_672411_250F4CE4 X-CRM114-Status: UNSURE ( 9.72 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Oct 25, 2021, Paolo Bonzini wrote: > On 09/10/21 04:12, Sean Christopherson wrote: > > + /* TODO: Document why the unblocking path checks for updates. */ > > Is that a riddle or what? :) Yes? I haven't been able to figure out why the unblocking path explicitly checks and handles an APICv update. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel