From mboxrd@z Thu Jan 1 00:00:00 1970 From: agustin.benito@codethink.co.uk (Agustin Benito Bethencourt) Date: Tue, 29 Nov 2016 10:01:38 +0100 Subject: [cip-dev] Features backports In-Reply-To: <390B4EACA1A32748BA6BC7F859F7D71655274E10@GSjpTKYDCembx31.service.hitachi.net> References: <582EF368.4090006@codethink.co.uk> <390B4EACA1A32748BA6BC7F859F7D71655274E10@GSjpTKYDCembx31.service.hitachi.net> Message-ID: <583D43F2.50301@codethink.co.uk> To: cip-dev@lists.cip-project.org List-Id: cip-dev.lists.cip-project.org Hi, On 29/11/16 03:57, ???? / KOGUCHI?TAKUO wrote: > Hi, > > Regarding to Altera Socfpga Cyclone V, we might want to backport from 4.9; > - L2cache ECC(./arch/arm/mm/cache-l2x0.c) > - QSPI Flash controller(drivers/mtd/spi-nor/cadence-quadspi.c) > > 4.9 is still missing the followings which exist in the verdor tree(linux-socfpga); > - HPS2FPGA(drivers/fpga/altera-hps2fpga.c) > - NAND Flash controller(drivers/mtd/nand/denali_dt.c) > I hope we can encourage Altera to push these features upstream or do it ourselves. I think we have a good chance once they see we are testing Beaglebone Black in the open. That would be a good opportunity we might add value to them. Definitely I would talk to them before. If they are not pushing the patches upstream, it would be a good question why. > > Takuo > > >> -----Original Message----- >> From: cip-dev-bounces at lists.cip-project.org >> [mailto:cip-dev-bounces at lists.cip-project.org] On Behalf Of Agustin Benito >> Bethencourt >> Sent: Friday, November 18, 2016 9:26 PM >> To: cip-dev at lists.cip-project.org >> Subject: [!][cip-dev] Features backports >> >> 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: >> > d>, >> >> >> * 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: >> >> >> , >> >> >> >> Best Regards >> -- >> Agustin Benito Bethencourt >> Principal Consultant - FOSS at Codethink agustin.benito at codethink.co.uk >> _______________________________________________ >> 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