From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by dpdk.org (Postfix) with ESMTP id ECC602C15; Tue, 27 Nov 2018 11:50:23 +0100 (CET) Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 367095F72B; Tue, 27 Nov 2018 10:50:23 +0000 (UTC) Received: from ktraynor.remote.csb (ovpn-117-230.ams2.redhat.com [10.36.117.230]) by smtp.corp.redhat.com (Postfix) with ESMTP id E8725608E6; Tue, 27 Nov 2018 10:50:21 +0000 (UTC) To: Thomas Monjalon , David Wilder Cc: stable@dpdk.org, dev@dpdk.org, chaozhu@linux.vnet.ibm.com References: <20181116173538.5321-1-dwilder@us.ibm.com> <1547076.mggVMYh6Ii@xps> From: Kevin Traynor Organization: Red Hat Message-ID: <8e5aa4cb-f972-42a1-1114-bc7beb5aa05d@redhat.com> Date: Tue, 27 Nov 2018 10:50:21 +0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.0 MIME-Version: 1.0 In-Reply-To: <1547076.mggVMYh6Ii@xps> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Tue, 27 Nov 2018 10:50:23 +0000 (UTC) Subject: Re: [dpdk-dev] [dpdk-stable] [PATCH v3] mem: Fix anonymous mapping on Power9. X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 27 Nov 2018 10:50:24 -0000 On 11/18/2018 01:41 PM, Thomas Monjalon wrote: > 16/11/2018 18:35, David Wilder: >> Removed the use of MAP_HUGETLB for anonymous mapping on ppc64. The >> MAP_HUGETLB had previously been added to workaround issues on IBM Power8 >> systems when mapping /dev/zero (see: commit >> 284ae3e9ff9a92575c28c858efd2c85c8de6d440). In the current code the >> MAP_HUGETLB flag will cause the anonymous mapping to fail on Power9. >> Note, Power8 is currently failing to correctly mmap Hugepages, with and >> without this change. >> >> Signed-off-by: David Wilder >> Reviewed-by: Pradeep Satyanarayana > > Applied, thanks > > Note: Cc stable@dpdk.org does not make sense in this context. > Backporting this patch to 17.11 would be a mistake, > and 17.08 is probably not in Power9 scope. > I think 17.08 is a typo for 18.08? Anyway, I won't backport to 18.08 unless I hear something further. > >