From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Steve Wise" Subject: RE: [PATCH RFC v2 0/2] libibverbs memory barrier fixes Date: Wed, 25 May 2016 09:51:53 -0500 Message-ID: <00c801d1b694$f9d7f5b0$ed87e110$@opengridcomputing.com> References: <20160520200053.6983AE0B9D@smtp.ogc.us> <3ffd3089-ede9-aebf-4781-2e012bc65252@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <3ffd3089-ede9-aebf-4781-2e012bc65252-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> Content-Language: en-us Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: 'Doug Ledford' Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, 'Noa Osherovich' List-Id: linux-rdma@vger.kernel.org > On 05/20/2016 03:43 PM, Steve Wise wrote: > > This is v2 of the ARM64 mb* support, plus an additional patch to fail > > compiles if there is no platform implementation of the memory barriers. > > I've included the 2nd patch because I think it is important to not > > assume any default barrier implementation. Getting it wrong can result > > in data corruption. > > > > Changes since V1: > > > > Put the RFC tag back on because I want to retest this series. > > > > Implemented the ARM64 memory barrier macros from scratch using the AMD > > reference docs. > > > > Added 2nd patch to fail compiles if no mb* macros exist for the platform. > > > > Steve Wise (2): > > libibverbs: add ARM64 memory barrier macros > > Fail compiles if no platform specific memory barriers exist > > > > include/infiniband/arch.h | 15 +++++++++------ > > 1 files changed, 9 insertions(+), 6 deletions(-) > > > > Please remember to use --thread=shallow when sending patch emails using > git send-email (which is what I assume you did). > > Let me know how the testing comes out. The patches look fine to me > (thanks for adding the second one, it's the right thing to do). > Hey Doug, the series tests good with cxgb4 on ARM64. Do I need to repost a final series, or can you merge v2? Hey Noa, have you all had a chance to test this series? Thanks, Steve. -- 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