From mboxrd@z Thu Jan 1 00:00:00 1970 From: agustin.benito@codethink.co.uk (Agustin Benito Bethencourt) Date: Mon, 28 Nov 2016 15:17:34 +0100 Subject: [cip-dev] Features backports In-Reply-To: <2a7cf15f-4b7b-b23d-5385-e72e16fe465a@siemens.com> References: <582EF368.4090006@codethink.co.uk> <2a7cf15f-4b7b-b23d-5385-e72e16fe465a@siemens.com> Message-ID: <583C3C7E.5000904@codethink.co.uk> To: cip-dev@lists.cip-project.org List-Id: cip-dev.lists.cip-project.org Hi, On 28/11/16 14:47, Jan Kiszka wrote: > On 2016-11-18 13:26, Agustin Benito Bethencourt wrote: >> Hi, >> >> as you probably know, the more features we backport, the higher will be >> the maintenance cost overtime so as a strategy, we need to be very >> conservative. >> >> I sent a mail some days ago about the features backported already by >> Linaro for their LSK (Linaro Stable Kernel) for your evaluation. I bring >> today some potential backports related with security features and >> hardware support that has been identified by Ben H. >> >> * UBSAN support: >> >> >> * Increased user-space ASLR range for ARM: >> >> >> * Page poisoning on free: >> , >> >> >> * SLAB/SLUB freelist randomisation >> >> * Hardened usercopy >> >> * Do Members use SLUB? if not, we should take a look at KASAN support >> for SLAB >> >> * drm/tilcdc update? (many bug fixes post-4.4) >> >> * AM33xx RTC support: >> >> , >> >> > > To add two features areas from our requirement list: > > - Distributed Switch Architecture, basically the level of 4.8 would be > sufficient. However, there might be too many dependencies on > networking core changes. If we pick 4.9 as next SLTS, then this > becomes obsolete. > > - Graphic support for AM57xx from more recent kernels, but things may > even still depend on TI's vendor kernel (in which case it would be > too early). > > Both are a bit vague yet, but I'm trying to clarify more details. > Comments are already welcome, of course. This is good. It allows us to dig a little and provide some light. > > Jan > _______________________________________________ > cip-dev mailing list > cip-dev at lists.cip-project.org > https://lists.cip-project.org/mailman/listinfo/cip-dev > -- Agustin Benito Bethencourt Principal Consultant - FOSS at Codethink agustin.benito at codethink.co.uk