On Thu, Dec 01, 2016 at 11:09:37AM -0800, Geoff Levand wrote: > Change the default purgatory sha256 code optimization from -O0 to -O2, and add a > new arch specific makefile variable $(ARCH)_PURGATORY_SHA256_CFLAGS which can > over ride this default. Set ia64_PURGATORY_SHA256_CFLAGS to -O0 to retain the > previous optimization level for ia64. > > The purgatory sha256 code needs the be built with -O0 for the ia64 > architecture. Currently this code is built with -O0 for all architectures, > which slows down the calculations for architectures which could otherwise > use -O2. > > On arm64, it takes around 20 second to verify SHA in purgatory when > vmlinuz image is around 13MB and initramfs is around 30M with -O2 > enabled. Otherwise, it takes more than 2 minutes. > > Cc: Pratyush Anand <panand at redhat.com> > Signed-off-by: Geoff Levand <geoff at infradead.org> Thanks, applied.
