lkml.org 
[lkml]   [2021]   [Jul]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Subject[PATCH bpf-next v3 0/2] libbpf: Introduce 'btf_custom_path' to 'bpf_obj_open_opts'
Date
Patch 1: Add 'btf_custom_path' to 'bpf_obj_open_opts', allow developers 
to use custom btf to perform CO-RE relocation.

Patch 2: Fixed the memory leak problem pointed out by Andrii.

Changelog:
----------

v2: https://lore.kernel.org/bpf/CAEf4Bza_ua+tjxdhyy4nZ8Boeo+scipWmr_1xM1pC6N5wyuhAA@mail.gmail.com/T/#mf9cf86ae0ffa96180ac29e4fd12697eb70eccd0f
v2->v3:
--- Load the BTF specified by btf_custom_path to btf_vmlinux_override
instead of btf_bmlinux.
--- Fix the memory leak that may be introduced by the second version
of the patch.
--- Add a new patch to fix the possible memory leak caused by
obj->kconfig.

v1: https://lore.kernel.org/bpf/CAEf4BzaGjEC4t1OefDo11pj2-HfNy0BLhs_G2UREjRNTmb2u=A@mail.gmail.com/t/#m4d9f7c6761fbd2b436b5dfe491cd864b70225804
v1->v2:
-- Change custom_btf_path to btf_custom_path.
-- If the length of btf_custom_path of bpf_obj_open_opts is too long,
return ERR_PTR(-ENAMETOOLONG).
-- Add `custom BTF is in addition to vmlinux BTF`
with btf_custom_path field.

Shuyi Cheng (2):
libbpf: Introduce 'btf_custom_path' to 'bpf_obj_open_opts'
libbpf: Fix the possible memory leak caused by obj->kconfig

tools/lib/bpf/libbpf.c | 52 ++++++++++++++++++++++++++++++++++++++++++++++----
tools/lib/bpf/libbpf.h | 6 +++++-
2 files changed, 53 insertions(+), 5 deletions(-)

--
1.8.3.1

\
 
 \ /
  Last update: 2021-07-09 04:49    [W:0.289 / U:0.348 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site