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[23.128.96.18]) by mx.google.com with ESMTP id q18si2524555edb.466.2020.10.28.09.01.56; Wed, 28 Oct 2020 09:02:20 -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 (test mode) header.i=@axis.com header.s=axis-central1 header.b=NFaT3Twf; 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=axis.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1814540AbgJ0Q5L (ORCPT + 99 others); Tue, 27 Oct 2020 12:57:11 -0400 Received: from smtp1.axis.com ([195.60.68.17]:38420 "EHLO smtp1.axis.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1794307AbgJ0PLI (ORCPT ); Tue, 27 Oct 2020 11:11:08 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=axis.com; l=430; q=dns/txt; s=axis-central1; t=1603811468; x=1635347468; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=cYAFVC2I7kC87mONlLHOpxS5S+sZKzhdDuTQreXUrGw=; b=NFaT3Twfvm6/286wRqekQ8iTlIfqfcPQ3ir0QOgp1zAyb0wrq0SehgHe EtQYpMIwFLTsa46xOeXniVUptYSEc1J3wCcu/BmI4JGS8lpQMPiGcdmDl hV9vf94/I8oXyREWvIIsjJ4vD3DwidfBUJkwrbp/lol2HEfc3aUYq2733 rYkXMWYAA/rD+M3l5xSS3+6XFaVvDRM8ol2N2Vl0xe0IXyAR1g1e37DBG 1hjdsqDx+pY+NB/PHgXgXA069QGNkiiIPVpihVDnIynUWg1jqs9sRHh8L 0d2KsMN1WEzzbGQxDZxZdArY/vxcuT2l/TAQlka/X55AT7NtnOaGiL/uX A==; IronPort-SDR: WQ2JBOaww3AO15TYN7su951w/wGZO/qqfbDMWofm3KvD+0+tcRaKFHutyFOUdSwkd2VCttpDu8 n17L7J0+LP3ZZyodu9Zwrq48WPY29j6K2+FkEO64wkRMXxnXx/lYKY9oPuQde1K3i6tKXufAWO n050c8x/00RXhsg5eXqLTsfJBCGZxFSVcEMlCLSBE/flqc12kwP9VzpaXO3zYoAT4wDx/FbmPm NykphuRp9525qnVEuwxt6QFWmcVciJMIKSo6Ta1oSjHXvvxnaUn2kIHM3I00CG07M/RxMyE+pq UQw= X-IronPort-AV: E=Sophos;i="5.77,424,1596492000"; d="scan'208";a="14470414" Date: Tue, 27 Oct 2020 16:11:06 +0100 From: Vincent Whitchurch To: Sherry Sun CC: "sudeep.dutt@intel.com" , "ashutosh.dixit@intel.com" , Christoph Hellwig , "gregkh@linuxfoundation.org" , "arnd@arndb.de" , "kishon@ti.com" , "lorenzo.pieralisi@arm.com" , "linux-kernel@vger.kernel.org" , dl-linux-imx Subject: Re: [PATCH V3 2/4] misc: vop: do not allocate and reassign the used ring Message-ID: <20201027151106.e4skr6dsbwvo4al6@axis.com> References: <20201022050638.29641-1-sherry.sun@nxp.com> <20201022050638.29641-3-sherry.sun@nxp.com> <20201023092650.GB29066@infradead.org> <20201027062802.GC207971@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20170113 (1.7.2) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Oct 27, 2020 at 08:05:43AM +0100, Sherry Sun wrote: > Can you help test the patch about removing the codes of reassign used > ring, and comment on the impact for Intel MIC platform? Thanks for > any help. I don't have access to MIC hardware myself, either. But this patch is quite certainly going to break it since guests using a kernel without the patch will not work with hosts with a kernel with the patch.