On Wed, Apr 29, 2020 at 02:46:24PM +0800, Huaixin Chang wrote: > Move building of fast lookup table from boot to sorttable tool. This saves us > 6380us boot time on Intel(R) Xeon(R) CPU E5-2682 v4 @ 2.50GHz with cores. > > Huaixin Chang (2): > scripts/sorttable: Build orc fast lookup table via sorttable tool > x86/unwind/orc: Remove unwind_init() from x86 boot > > arch/x86/include/asm/unwind.h | 2 - > arch/x86/kernel/setup.c | 2 - > arch/x86/kernel/unwind_orc.c | 51 ---------------------- > scripts/sorttable.h | 99 ++++++++++++++++++++++++++++++++++++++++--- > 4 files changed, 92 insertions(+), 62 deletions(-) I tested this (rebased on tip/master), it seems to break ORC completely... e.g. /proc/self/stack is empty. -- Josh