* [PATCH 1/1 v2] Documentation: Add minimum pahole version
@ 2021-11-19 18:56 Arnaldo Carvalho de Melo
2021-11-29 21:48 ` Jonathan Corbet
0 siblings, 1 reply; 3+ messages in thread
From: Arnaldo Carvalho de Melo @ 2021-11-19 18:56 UTC (permalink / raw)
To: Jonathan Corbet
Cc: Daniel Borkmann, Andrii Nakryiko, Alexei Starovoitov,
Andrii Nakryiko, Jiri Olsa, bpf, Networking,
Linux Kernel Mailing List
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
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: bpf@vger.kernel.org
Cc: netdev@vger.kernel.org
Link: http://lore.kernel.org/lkml/YZPQ6+u2wTHRfR+W@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
Documentation/process/changes.rst | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/Documentation/process/changes.rst b/Documentation/process/changes.rst
index e35ab74a0f804b04..572465db0db19e8f 100644
--- a/Documentation/process/changes.rst
+++ b/Documentation/process/changes.rst
@@ -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
----
--
2.31.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH 1/1 v2] Documentation: Add minimum pahole version
2021-11-19 18:56 [PATCH 1/1 v2] Documentation: Add minimum pahole version Arnaldo Carvalho de Melo
@ 2021-11-29 21:48 ` Jonathan Corbet
2021-11-30 14:38 ` Arnaldo Carvalho de Melo
0 siblings, 1 reply; 3+ messages in thread
From: Jonathan Corbet @ 2021-11-29 21:48 UTC (permalink / raw)
To: Arnaldo Carvalho de Melo
Cc: Daniel Borkmann, Andrii Nakryiko, Alexei Starovoitov,
Andrii Nakryiko, Jiri Olsa, bpf, Networking,
Linux Kernel Mailing List
Arnaldo Carvalho de Melo <acme@kernel.org> writes:
> 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
> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
> Acked-by: Andrii Nakryiko <andrii@kernel.org>
> Acked-by: Daniel Borkmann <daniel@iogearbox.net>
> Cc: Alexei Starovoitov <ast@kernel.org>
> Cc: Jiri Olsa <jolsa@redhat.com>
> Cc: Jonathan Corbet <corbet@lwn.net>
> Cc: bpf@vger.kernel.org
> Cc: netdev@vger.kernel.org
> Link: http://lore.kernel.org/lkml/YZPQ6+u2wTHRfR+W@kernel.org
> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
> ---
> Documentation/process/changes.rst | 11 +++++++++++
> 1 file changed, 11 insertions(+)
Applied (with the duplicate SOB removed), thanks.
jon
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH 1/1 v2] Documentation: Add minimum pahole version
2021-11-29 21:48 ` Jonathan Corbet
@ 2021-11-30 14:38 ` Arnaldo Carvalho de Melo
0 siblings, 0 replies; 3+ messages in thread
From: Arnaldo Carvalho de Melo @ 2021-11-30 14:38 UTC (permalink / raw)
To: Jonathan Corbet
Cc: Daniel Borkmann, Andrii Nakryiko, Alexei Starovoitov,
Andrii Nakryiko, Jiri Olsa, bpf, Networking,
Linux Kernel Mailing List
Em Mon, Nov 29, 2021 at 02:48:42PM -0700, Jonathan Corbet escreveu:
> Arnaldo Carvalho de Melo <acme@kernel.org> writes:
>
> > 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
> > Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
> > Acked-by: Andrii Nakryiko <andrii@kernel.org>
> > Acked-by: Daniel Borkmann <daniel@iogearbox.net>
> > Cc: Alexei Starovoitov <ast@kernel.org>
> > Cc: Jiri Olsa <jolsa@redhat.com>
> > Cc: Jonathan Corbet <corbet@lwn.net>
> > Cc: bpf@vger.kernel.org
> > Cc: netdev@vger.kernel.org
> > Link: http://lore.kernel.org/lkml/YZPQ6+u2wTHRfR+W@kernel.org
> > Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
> > ---
> > Documentation/process/changes.rst | 11 +++++++++++
> > 1 file changed, 11 insertions(+)
>
> Applied (with the duplicate SOB removed), thanks.
Oops, one should be enough indeed :-)
Thanks!
- Arnaldo
^ permalink raw reply [flat|nested] 3+ messages in thread
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2021-11-19 18:56 [PATCH 1/1 v2] Documentation: Add minimum pahole version Arnaldo Carvalho de Melo
2021-11-29 21:48 ` Jonathan Corbet
2021-11-30 14:38 ` Arnaldo Carvalho de Melo
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