lkml.org 
[lkml]   [2020]   [Aug]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH v2 0/3] Build ORC fast lookup table in scripts/sorttable tool
From
Date
Hi,Ingo

This patchset reverts the hacks from patchset v1. Also it includes some other fixes upon v1 as suggested.
Will you please have a look at this?

The previous links are:
https://lore.kernel.org/lkml/20200724135531.GB648324@gmail.com/

Thanks,
huaixin

> On Aug 7, 2020, at 12:17 PM, Huaixin Chang <changhuaixin@linux.alibaba.com> 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. It
> adds a little more than 7ms to boot time when testing on the same CPU.
>
> Changelog v2:
> 1. Write .orc_lookup section header via objtool
> 2. Move two ORC lookup table macro from orc_lookup.h into orc_types.h
> 3. Spell 'ORC' in capitalized fashion
>
> Huaixin Chang (3):
> objtool: Write .orc_lookup section header
> scripts/sorttable: Build ORC fast lookup table via sorttable tool
> x86/unwind/orc: Simplify unwind_init() for x86 boot
>
> arch/x86/include/asm/orc_lookup.h | 16 ------
> arch/x86/include/asm/orc_types.h | 16 ++++++
> arch/x86/kernel/unwind_orc.c | 41 +--------------
> arch/x86/kernel/vmlinux.lds.S | 2 +-
> scripts/sorttable.h | 96 +++++++++++++++++++++++++++++++---
> tools/arch/x86/include/asm/orc_types.h | 16 ++++++
> tools/objtool/orc_gen.c | 4 ++
> 7 files changed, 128 insertions(+), 63 deletions(-)
>
> --
> 2.14.4.44.g2045bb6

\
 
 \ /
  Last update: 2020-08-19 05:04    [W:0.103 / U:0.892 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site