[PATCH 0/2] Build ORC fast lookup table in scripts/sorttable tool

From: Huaixin Chang
Date: Wed Apr 29 2020 - 02:46:44 EST


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(-)

--
2.14.4.44.g2045bb6