We currently build the wrapper with Os. This builds it with O2 instead, reducing boot time when decompressing a compressed kernel. See patch 2 for details.
I've given this a spin with CONFIG_KERNEL_XZ on P9 and P8 as the petitboot kernel. Joel Stanley (2): powerpc/boot: Disable vector instructions powerpc/boot: Build boot wrapper with optimisations arch/powerpc/boot/Makefile | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) -- 2.17.1