lkml.org 
[lkml]   [2021]   [Nov]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v2] kbuild: Enable armthumb BCJ filter for Thumb-2 kernel
On 2021-11-20 Jubin Zhong wrote:
> xz_wrap.sh use $SRCARCH to detect the BCJ filter. However, assigning
> arm BCJ filter to Thumb-2 kernel is not optimal. In my case, about 5%
> decrease of image size is observed with armthumb BCJ filter:
>
> Test results:
> hardware: QEMU emulator version 3.1.0
> config: vexpress_defconfig with THUMB2_KERNEL & KERNEL_XZ on
> arm BCJ: 4029808
> armthumb BCJ: 3827280
>
> Choose armthumb BCJ filter for Thumb-2 kernel to make smaller images.
>
> Signed-off-by: Jubin Zhong <zhongjubin@huawei.com>

I still didn't test it but it looks good to me.

Acked-by: Lasse Collin <lasse.collin@tukaani.org>

--
Lasse Collin

\
 
 \ /
  Last update: 2021-11-21 22:38    [W:1.475 / U:0.044 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site