Commit 333b11e5 authored by Arnaldo Carvalho de Melo's avatar Arnaldo Carvalho de Melo Committed by Jonathan Corbet
Browse files

Documentation: Add minimum pahole version 

A report was made in https://github.com/acmel/dwarves/issues/26 about
pahole not being listed in the process/changes.rst file as being needed
for building the kernel, address that.

Link: https://github.com/acmel/dwarves/issues/26


Acked-by: default avatarAndrii Nakryiko <andrii@kernel.org>
Acked-by: default avatarDaniel Borkmann <daniel@iogearbox.net>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lore.kernel.org/lkml/YZPQ6+u2wTHRfR+W@kernel.org


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
Link: https://lore.kernel.org/r/YZfzQ0DvHD5o26Bt@kernel.org


Signed-off-by: default avatarJonathan Corbet <corbet@lwn.net>
parent aa9b5e0d

Documentation/process/changes.rst

+11 −0
Original line number Diff line number Diff line
@@ -35,6 +35,7 @@ GNU make 3.81 make --version 
binutils               2.23             ld -v

flex                   2.5.35           flex --version

bison                  2.0              bison --version

pahole                 1.16             pahole --version

util-linux             2.10o            fdformat --version

kmod                   13               depmod -V

e2fsprogs              1.41.4           e2fsck -V
@@ -108,6 +109,16 @@ Bison 
Since Linux 4.16, the build system generates parsers

during build.  This requires bison 2.0 or later.



pahole:

-------



Since Linux 5.2, if CONFIG_DEBUG_INFO_BTF is selected, the build system

generates BTF (BPF Type Format) from DWARF in vmlinux, a bit later from kernel

modules as well.  This requires pahole v1.16 or later.



It is found in the 'dwarves' or 'pahole' distro packages or from

https://fedorapeople.org/~acme/dwarves/.



Perl

----