On Thu, Nov 15, 2018 at 12:08 PM Bruce Ashfield < bruce.ashfi...@windriver.com> wrote:
> On 2018-11-15 12:29 p.m., Jon Mason wrote: > > I'm having difficulty determining where the kernel defconfigs are > > defined and located. I'm specifically looking for the qemuarm and > > qemuarm64 kernel defconfigs. I've looked at the relevant > > documentation, > https://www.yoctoproject.org/docs/2.5.1/kernel-dev/kernel-dev.html#using-an-in-tree-defconfig-file > > and > > no SRC_URI with defconfig or KBUILD_DEFCONFIG_KMACHINE defined in > > meta/recipes-kernel/linux/linux-yocto_4.18.bb > > > > What am I missing? > > The reference machines with linux-yocto don't use defconfigs at all. > They are fully assembled from the configuration fragments in the > kernel-cache repo. > > You'll see the location of the kernel-cache, and the routines that > gather up the fragments in the linux-yocto* recipes. > > The kernel development manual has that detail as well: > > > https://www.yoctoproject.org/docs/2.5.1/kernel-dev/kernel-dev.html#kernel-dev-advanced > > Bruce > > > > > Also, "A defconfig file is simply a .config renamed to "defconfig"." > > is not correct. A properly created defconfig is created by `make > > savedefconfig` and is a minimal file which only has the delta between > > the desired config and defaults from the Kconfig files. > > > https://www.yoctoproject.org/docs/2.5.1/kernel-dev/kernel-dev.html#creating-a-defconfig-file > > > > Thanks, > > Jon > Jon - see https://www.yoctoproject.org/docs/2.5.1/kernel-dev/kernel-dev.html#creating-a-defconfig-file for some re-phrasing. > > > -- > _______________________________________________ > yocto mailing list > yocto@yoctoproject.org > https://lists.yoctoproject.org/listinfo/yocto >
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