On Wed, 2022-07-27 at 14:49 +0200, Hauke Mehrtens wrote: > Hi Daniel, > > Is it possible to buy devices with this SoC in the retail market or on ebay? Hi, not yet. At least I don't know of any. Maybe @john knows ? > > Why do you select CONFIG_CC_OPTIMIZE_FOR_SIZE ? all other targets except > the mediatek/mt7629 use CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE. I used mt7629 as a reference, but CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE works as well. Once there is Wifi/Ethernet support, I will do some benchmarks and figure out which option works best. > > > +CONFIG_CHR_DEV_SCH=y > Why do you need CONFIG_CHR_DEV_SCH? > > > +CONFIG_CLONE_BACKWARDS=y > > +CONFIG_CMDLINE="rootfstype=squashfs,jffs2" > > +CONFIG_CMDLINE_FROM_BOOTLOADER=y > ..... > > +CONFIG_DCACHE_WORD_ACCESS=y > > +CONFIG_DEBUG_LL_INCLUDE="mach/debug-macro.S" > > +CONFIG_DEBUG_MISC=y > > +CONFIG_DEFAULT_HOSTNAME="(airoha)" > > Setting CONFIG_DEFAULT_HOSTNAME looks wrong. > > > +CONFIG_DMA_OPS=y > .... > > +CONFIG_HANDLE_DOMAIN_IRQ=y > > +# CONFIG_HARDENED_USERCOPY is not set > > Please activate CONFIG_HARDENED_USERCOPY. > > > +CONFIG_HARDEN_BRANCH_PREDICTOR=y > > +CONFIG_HARDIRQS_SW_RESEND=y > .... > > +CONFIG_NEED_DMA_MAP_STATE=y > > +CONFIG_NETFILTER=y > > +CONFIG_NET_FLOW_LIMIT=y > > +CONFIG_NET_SELFTESTS=y > > Please do not activate these CONFIG_NET options here. > > > +CONFIG_NLS=y > .... > > +CONFIG_OF_MDIO=y > > +CONFIG_OLD_SIGACTION=y > > +CONFIG_OLD_SIGSUSPEND3=y > > I think we do not need these CONFIG_OLT_* options. > > > +CONFIG_OUTER_CACHE=y > ..... > > +CONFIG_SRCU=y > > +CONFIG_STACKTRACE=y > > This should not be activated for only one target. > > > +# CONFIG_SWAP is not set > > +CONFIG_SWCONFIG=y > > Do you really need CONFIG_SWCONFIG? I cleaned up the kernel config. Removed all configs you mentioned and enabled CONFIG_HARDENED_USERCOPY.
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