linux

SLOB and SLAB are deprecated; use SLUB instead
bsdtar patch: https://lore.kernel.org/lkml/[email protected]/T/
INSTALL_MOD_STRIP=1 for make install
Check linux/kernel/gen_kheaders.sh
Check linux/scripts/package/buildtar
modules.*.bin and modules.pcimap should be automatically generated
Check CONFIG_UEVENT_HELPER for hotplug
Consider stripping the kernel with:

strip --strip-debug -o vmlinux.stripped vmlinux

To strip kernel modules use INSTALL_MOD_STRIP=1 (which does a --strip-debug):

make modules_install INSTALL_MOD_STRIP=1

Do not use INSTALL_MOD_STRIP="--strip-all" as it breaks the modules
headers_check is obsolete (no-op)
make xconfig is a bit more ergonomic but it requires qt; check make gconfig
Kernel builds can be further optimized with KCFLAGS?
libelf (or elfutils-libelf) is required for kernel orc unwinding
Examine:

dmesg -t > dmesg_current
dmesg -t -k > dmesg_kernel
for i in emerg alert crit err warn; do
  dmesg -t -l $i > dmesg_current_$i
done

Previous build command:

CROSS_COMPILE=x86_64-glaucus-linux-musl- \
CC="$toolchain/bin/x86_64-glaucus-linux-musl-gcc" \
HOSTCC="$toolchain/bin/x86_64-glaucus-linux-musl-gcc" \
PATH="$toolchain/bin:/usr/bin" \
make \
  O=$PWD/../build \ # needs to be changed
  ARCH=x86_64 \
  menuconfig

References