From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sagi Grimberg Subject: Re: [PATCH 1/3] IB/uverbs: reject invalid or unknown opcodes Date: Thu, 20 Aug 2015 11:49:55 +0300 Message-ID: <55D594B3.7090807@dev.mellanox.co.il> References: <1440002254-795-1-git-send-email-hch@lst.de> <1440002254-795-2-git-send-email-hch@lst.de> <20150819174614.GC22646@obsidianresearch.com> <20150819174802.GA13875@lst.de> <20150819175425.GE22646@obsidianresearch.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20150819175425.GE22646-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Jason Gunthorpe , Christoph Hellwig Cc: Doug Ledford , Sean Hefty , Hal Rosenstock , Eli Cohen , linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, stable-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-rdma@vger.kernel.org On 8/19/2015 8:54 PM, Jason Gunthorpe wrote: > On Wed, Aug 19, 2015 at 07:48:02PM +0200, Christoph Hellwig wrote: >> On Wed, Aug 19, 2015 at 11:46:14AM -0600, Jason Gunthorpe wrote: >>> Reviewed-by: Jason Gunthorpe >>> >>> AFAIK, this path is rarely (never?) actually used. I think all the >>> drivers we have can post directly from userspace. >> >> Oh, interesting. Is there any chance to deprecate it? Not having >> to care for the uvers command would really help with some of the >> upcoming changes I have in my mind. > > Hmm, we'd need a survey of the userspace side to see if it is rarely > or never... > > And we'd have to talk to the soft XXX guys to see if they plan to use > it.. Checked in librxe (user-space softroce). Looks like posts are going via this path... -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wi0-f180.google.com ([209.85.212.180]:38561 "EHLO mail-wi0-f180.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752958AbbHTItw (ORCPT ); Thu, 20 Aug 2015 04:49:52 -0400 Received: by wicja10 with SMTP id ja10so29889398wic.1 for ; Thu, 20 Aug 2015 01:49:51 -0700 (PDT) Subject: Re: [PATCH 1/3] IB/uverbs: reject invalid or unknown opcodes To: Jason Gunthorpe , Christoph Hellwig References: <1440002254-795-1-git-send-email-hch@lst.de> <1440002254-795-2-git-send-email-hch@lst.de> <20150819174614.GC22646@obsidianresearch.com> <20150819174802.GA13875@lst.de> <20150819175425.GE22646@obsidianresearch.com> Cc: Doug Ledford , Sean Hefty , Hal Rosenstock , Eli Cohen , linux-rdma@vger.kernel.org, stable@vger.kernel.org From: Sagi Grimberg Message-ID: <55D594B3.7090807@dev.mellanox.co.il> Date: Thu, 20 Aug 2015 11:49:55 +0300 MIME-Version: 1.0 In-Reply-To: <20150819175425.GE22646@obsidianresearch.com> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Sender: stable-owner@vger.kernel.org List-ID: On 8/19/2015 8:54 PM, Jason Gunthorpe wrote: > On Wed, Aug 19, 2015 at 07:48:02PM +0200, Christoph Hellwig wrote: >> On Wed, Aug 19, 2015 at 11:46:14AM -0600, Jason Gunthorpe wrote: >>> Reviewed-by: Jason Gunthorpe >>> >>> AFAIK, this path is rarely (never?) actually used. I think all the >>> drivers we have can post directly from userspace. >> >> Oh, interesting. Is there any chance to deprecate it? Not having >> to care for the uvers command would really help with some of the >> upcoming changes I have in my mind. > > Hmm, we'd need a survey of the userspace side to see if it is rarely > or never... > > And we'd have to talk to the soft XXX guys to see if they plan to use > it.. Checked in librxe (user-space softroce). Looks like posts are going via this path...