From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kevin Traynor Subject: Re: [dpdk-stable] [PATCH v3] mem: Fix anonymous mapping on Power9. Date: Tue, 27 Nov 2018 10:50:21 +0000 Message-ID: <8e5aa4cb-f972-42a1-1114-bc7beb5aa05d@redhat.com> References: <20181116173538.5321-1-dwilder@us.ibm.com> <1547076.mggVMYh6Ii@xps> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Cc: stable@dpdk.org, dev@dpdk.org, chaozhu@linux.vnet.ibm.com To: Thomas Monjalon , David Wilder Return-path: In-Reply-To: <1547076.mggVMYh6Ii@xps> Content-Language: en-US List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" 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. > >