Received: by 2002:a05:6a10:1d13:0:0:0:0 with SMTP id pp19csp280224pxb; Tue, 31 Aug 2021 21:41:06 -0700 (PDT) X-Google-Smtp-Source: ABdhPJy+JnLj+MXfvlpgHk/iu/sKuw7I3Ok5/TyzMKItdGhh+ef5zgKrVKj11sGsDzZ4D9wAPst4 X-Received: by 2002:a05:6402:1d04:: with SMTP id dg4mr32007896edb.157.1630471265793; Tue, 31 Aug 2021 21:41:05 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1630471265; cv=none; d=google.com; s=arc-20160816; b=hzLug0fHfIVVV45E5nmmWVmP03Vk3eJNp8FaDo587Ecpvyp8sGW/vlYTn8rodIXYJr Y3cp97PpiMJJBNwLdks3Zz4l9Bt3risly6VLY4eaO43KrM8mOAB6wsm7sGmshllVfBeQ R/VGPJ/lcQmn+4skz1UAzaP0llRsNX7Vns25OFQWYWQbiOoBr9jOsE5VOauY2PB+pPp4 komDNWmuhLAnhMA10KOKhdPHAXKncSL7srp9xrPDty944I2TiP7BOpGhm+UpMcfpx30R bC4VRvJcPvb5B8sgIPTxdp3724qjMEG/1JNCrEt6ehNHC6tpX+9SbFLG36/Jv1ngg+vQ bObQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:mime-version:user-agent :content-transfer-encoding:references:in-reply-to:date:cc:to:from :subject:message-id:dkim-signature; bh=1yBJDx44Nya7xDZWygpeSnX032AHSUDSn5k/kmjUYjw=; b=d8OqDtdNyVn9DvtHfv7X+8K+N2n4FAme12j9uLETFDzs+yOqPpw8ZTLDgei4+x1UpW 5lZSO2mWbkEljqH0+nSwDxtpT1ECqpC7MTUVtrwYnJtpzVaQWQv5SShYwfkiciClTo6e kQ/mu3LCM3KuMlKCPBVyuPJzq8wFcff6wstRgJgKJkIrFDbe3xNhIOehPqKrU+xcj2kz gSZfJzRgbqXWL9vvI5BjLFhL/iKokCZYNd8mgC44sdKh2xhMKh3H6ge4E2TT8je6iz+f gN+Yv0umPFromsLaIolt1LoRRkF9IB1Idf9LCn+eadvQVL1Mksb7Q6aPz2klmVXNaKoM gXiw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=cJz5MCwv; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id di4si9617161edb.11.2021.08.31.21.40.37; Tue, 31 Aug 2021 21:41:05 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=cJz5MCwv; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241791AbhIAEkG (ORCPT + 99 others); Wed, 1 Sep 2021 00:40:06 -0400 Received: from mail.kernel.org ([198.145.29.99]:52954 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237454AbhIAEkF (ORCPT ); Wed, 1 Sep 2021 00:40:05 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id AE46960724; Wed, 1 Sep 2021 04:39:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1630471149; bh=1yBJDx44Nya7xDZWygpeSnX032AHSUDSn5k/kmjUYjw=; h=Subject:From:To:Cc:Date:In-Reply-To:References:From; b=cJz5MCwvixy3dZNyqhBPmcEFHUX1/m1Eb6agmQ/Zk3uBC3tdORyD12hQekvfS7lqH SyIt2iybQoEbu9oyPk6OlQauD4r/JMBqIrubFrq3yd5NglJicQcLj7r2kJMkpEK3oE oCQnutVUJNInq2uWxJEAnn6sVX1QaOE3aGdCSyEqtm2yWigK3u9pEWmitex/UN7FGl AVevGKlqYEf3kuPlHu6B5h5zZncMVeNUFGH6jpoLp1HY86xPGaXV2QKly5eqri0pR8 1hRDPjy7gCfPsljQdll0kCbRaK/KKzgNZe/vRjk4I9gh7IDdP5y+pv8CTFQuvi5Jp7 y/a/FkipvajOA== Message-ID: <1dffe39c34dead9dd1a3782344b637757404d0c6.camel@kernel.org> Subject: Re: [PATCH 1/4] KVM: x86: Introduce .pcpu_is_idle() stub infrastructure From: Jarkko Sakkinen To: Tianqiang Xu , x86@kernel.org Cc: pbonzini@redhat.com, seanjc@google.com, vkuznets@redhat.com, wanpengli@tencent.com, jmattson@google.com, joro@8bytes.org, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, kvm@vger.kernel.org, hpa@zytor.com, dave.hansen@linux.intel.com, linux-kernel@vger.kernel.org, linux-sgx@vger.kernel.org Date: Wed, 01 Sep 2021 07:39:06 +0300 In-Reply-To: <20210831015919.13006-1-skyele@sjtu.edu.cn> References: <20210831015919.13006-1-skyele@sjtu.edu.cn> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.36.5-0ubuntu1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 2021-08-31 at 09:59 +0800, Tianqiang Xu wrote: > This patch series aims to fix performance issue caused by current > para-virtualized scheduling design. Series? This looks to me like a patch, not a cover letter. If you want a cover letter, please make one. /Jarkko