Received: by 2002:ac0:950c:0:0:0:0:0 with SMTP id f12csp2035319imc; Tue, 12 Mar 2019 05:56:44 -0700 (PDT) X-Google-Smtp-Source: APXvYqy3pw0XVZVoWYQujai74HPQDHNLD90YT7iWds0Nl4JgANYRe1O+3UGFz4mfBn0rLlKW4rAb X-Received: by 2002:a62:4586:: with SMTP id n6mr38791681pfi.43.1552395404492; Tue, 12 Mar 2019 05:56:44 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1552395404; cv=none; d=google.com; s=arc-20160816; b=hwe59BLhPaQD7AtcT91a2Y4JngiWuxvXHxhyL4wQK+e4nhbnM6uQwslfyUpjxHSbTq zwjNd+lcWrQ6Qdbc5xOZRQ/Cojk1s4IhyD/6zNbcjQJWlIdHjO8SLZCq09hdXbGXgcLl 5EU4kwxzuQ2Ot+XeSbEjhrJmrFqQuH2oYs2ZfZ/Va24Uox1Xg4F2AhWBovl4y6TtUJyP N4sQg/O6oVYrnucG49blgAI8Dzb2WOU8WP2TK+LlTvktSVp9dxeC5Q/MwpbDkH3uMx69 Q//yNX+6wihi2zLLZBme1TQdfWh5BcLt1NEnLKtC0U26xW2kybkdH31ClJGqx1ued9wR EAKw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:dkim-signature; bh=PE0YJynY8KAjlMuMLBd7fMqFN8VzIkS5XDx5BpwBXG8=; b=uSJ84IL8upjzWMqwV0+kTA1bvMHKa0oEaOR0giWEdxCR6C8pfrEp3pByHkAsr2ITSu TmHrzPXBmvf7xyx1GGoz3TBnYQ+IVkR8Px2v+ZdaGjyTuPivxth5LvcZu0Ncip/m9v4C RTo3WruyONEQmMHLHhJOJ2Jv3+dgw6FPic4TQ3r7CtbuOatPXn8R0fFz3teGgQ92+wgD C/2h4HdGzpc9AkcXoCRCvfegrat3t4VD35HjspTV2YQpJfZAurLuHth6PPtbUB0XeYUC +ah7FADn0Bpg25ulwB459LmrwalHmkkBEt9YVom2o77HOfkkg6on8cdIDo/FWVbfaX4z /HAg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=E4klf6XK; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id w16si4443963ply.103.2019.03.12.05.56.28; Tue, 12 Mar 2019 05:56:44 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=E4klf6XK; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726556AbfCLM4B (ORCPT + 99 others); Tue, 12 Mar 2019 08:56:01 -0400 Received: from mail.kernel.org ([198.145.29.99]:41326 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725873AbfCLM4B (ORCPT ); Tue, 12 Mar 2019 08:56:01 -0400 Received: from localhost (unknown [12.27.65.221]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id A6069206BA; Tue, 12 Mar 2019 12:56:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1552395360; bh=HTw32ICmUS6/OkVq9cu+3LMLNyUDmjek2zM8KY6ylbw=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=E4klf6XK3Rl89gF91Jr4odFri1VCV81ryQxBfe5gUji8qOXGOENRfD283nxfOBKkN qd1udgYtMIBwVRnwFKuwoiEeciFWGFS8RRETIP73V3jad4yiBQjaWDRH3g/fEC4JlB zWWRza2AtulUB6ebdH6piU+/EjtimIWYNeTd1iRA= Date: Tue, 12 Mar 2019 05:56:00 -0700 From: Greg KH To: Dongli Zhang Cc: stable@vger.kernel.org, jgross@suse.com, herbert.van.den.bergh@oracle.com, sstabellini@kernel.org, sboyd@kernel.org, frederic@kernel.org, joe.jin@oracle.com, linux-kernel@vger.kernel.org, john.stultz@linaro.org, xen-devel@lists.xenproject.org, boris.ostrovsky@oracle.com, tglx@linutronix.de Subject: Re: [Xen-devel] [PATCH v4.9 1/1] jiffies: use jiffies64_to_nsecs() to fix 100% steal usage for xen vcpu hotplug Message-ID: <20190312125600.GF23540@kroah.com> References: <1551772744-524-1-git-send-email-dongli.zhang@oracle.com> <15c804c0-eeb1-2adb-9cbf-4a28d39983a0@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <15c804c0-eeb1-2adb-9cbf-4a28d39983a0@oracle.com> User-Agent: Mutt/1.11.3 (2019-02-01) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Mar 06, 2019 at 03:35:40PM +0800, Dongli Zhang wrote: > Thanks to Joe Jin's reminding, this patch is applicable to mainline linux > kernel, although there is no issue due to this kind of bug in mainline kernel. > > Therefore, can I first submit this patch to mainline kernel and then backport it > to stable linux with more detailed explanation how the issue is reproduced on xen? Yes, please do that. thanks, greg k-h