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 X-Spam-Level: X-Spam-Status: No, score=-4.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6C023C2BB1D for ; Thu, 12 Mar 2020 09:26:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4372E206F1 for ; Thu, 12 Mar 2020 09:26:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1584005204; bh=Wj63A9YwlumOEGHLBydb2h7ouZkcXbP/yKGfKsQ6pWc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=LQKPX9/WhavqR84qLLRCGb97a9mA9A38DGCKtRRWVTnPin7rhMLXQJeJHlEHooirF FVhvGDjzpPFwvDFJPq6ZFDbs+CixLLdI7i5bykEsAah/0DzpTWAUvfC9JH3nvahOy4 wudNMah6d8LXYODsoRtu63TdFMUm3Rz2CBGhpIzw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726464AbgCLJ0n (ORCPT ); Thu, 12 Mar 2020 05:26:43 -0400 Received: from mail.kernel.org ([198.145.29.99]:47366 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726438AbgCLJ0n (ORCPT ); Thu, 12 Mar 2020 05:26:43 -0400 Received: from localhost (unknown [193.47.165.251]) (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 7BD692067C; Thu, 12 Mar 2020 09:26:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1584005203; bh=Wj63A9YwlumOEGHLBydb2h7ouZkcXbP/yKGfKsQ6pWc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=0Gjk+V4+U5nWBUg4y6gXzPp50x7EsV7BBjbOOlAy9810MDU6bifPsGeiSE7edNWpr aXjWferT249rm6nEiAuCnVrvUY48mksL74Tc7I6fUyBiY3qRMf/X+8VX2TaKWWD/pv HZtpuETkPpr9tCUFpm7d+kITNF2qiwbQFmVXsKdA= Date: Thu, 12 Mar 2020 11:26:40 +0200 From: Leon Romanovsky To: Weihang Li Cc: dledford@redhat.com, jgg@ziepe.ca, linux-rdma@vger.kernel.org, linuxarm@huawei.com Subject: Re: [PATCH for-next] RDMA/hns: Add interface to support lock free Message-ID: <20200312092640.GA31504@unreal> References: <1583999290-20514-1-git-send-email-liweihang@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1583999290-20514-1-git-send-email-liweihang@huawei.com> Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org On Thu, Mar 12, 2020 at 03:48:10PM +0800, Weihang Li wrote: > From: Jiaran Zhang > > In some scenarios, ULP can ensure that there is no concurrency when > processing io, thus lock free can be used to improve performance. > > Signed-off-by: Jiaran Zhang > Signed-off-by: Yixian Liu > Signed-off-by: Weihang Li > --- > drivers/infiniband/hw/hns/hns_roce_device.h | 1 + > drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 112 ++++++++++++++++++++-------- > drivers/infiniband/hw/hns/hns_roce_qp.c | 1 + > 3 files changed, 84 insertions(+), 30 deletions(-) > NAK, everything in this patch is wrong, starting from exposure, implementation and description. Thanks