On 01/31/2017 10:19 AM, Felix Fietkau wrote: > On 2017-01-29 22:37, Philip Prindeville wrote: >> Hi. >> >> I’m working on a project where I need to be able to force certain >> kernel configuration parameters from a script, to automate building >> tailored kernels for performance testing, certification, etc. >> >> I love the way that I can use “scripts/diffconfig.sh” to save the >> deltas into a file… update the cloning/checkout of master over time, >> yet retain my saved overrides by doing a “cp ../my.config .config ; >> make defconfig oldconfig” and always end up with a known/good >> configuration. >> >> Alas, I can’t do the same for the target kernel in a scripted way. >> >> I’d like to put out a bounty for doing so. If you’re interested, >> contact me via email to discuss the deliverable and the terms of >> payment. >> >> Ideally, this would be of broad enough applicability that I’d want to >> upstream this back to OpenWRT for everyone, so keep that in mind as >> well. > This is already implemented. You can put any kernel configuration > overrides into env/kernel-config. > Generating those is fairly easy too, you can use this command: > make kernel_menuconfig CONFIG_TARGET=env > You can also put a full kernel config in that file instead of a delta. > Running make kernel_oldconfig CONFIG_TARGET=env afterwards will reduce > that full config to a delta relative to the defaults that LEDE uses.
Dear Felix & All, might be slightly off-topic, but: Is there any similar mechanism to customize/override not only the kernel config but also the device tree file? > > - Felix > _______________________________________________ > openwrt-devel mailing list > openwrt-de...@lists.openwrt.org > https://lists.openwrt.org/cgi-bin/mailman/listinfo/openwrt-devel Thx in advance, regards, Zoltan Gyarmati https://zgyarmati.de
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