On 11/9/20 6:19 PM, Andrii Nakryiko wrote:
> diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
> index d7a7bc3b6098..1e78faaf20a5 100644
> --- a/lib/Kconfig.debug
> +++ b/lib/Kconfig.debug
> @@ -274,6 +274,15 @@ config DEBUG_INFO_BTF
> Turning this on expects presence of pahole tool, which
On Mon, Nov 16, 2020 at 1:24 PM Jakub Kicinski wrote:
>
> On Mon, 16 Nov 2020 12:34:17 -0800 Andrii Nakryiko wrote:
> > > This change, commit 5f9ae91f7c0d ("kbuild: Build kernel module BTFs if
> > > BTF is enabled and pahole
> > > supports it") currently in net-next, linux-next, etc. breaks the u
On Mon, 16 Nov 2020 12:34:17 -0800 Andrii Nakryiko wrote:
> > This change, commit 5f9ae91f7c0d ("kbuild: Build kernel module BTFs if BTF
> > is enabled and pahole
> > supports it") currently in net-next, linux-next, etc. breaks the use-case
> > of compiling only a specific
> > kernel module (both
nn ;
> > Kernel Team ; open list > ker...@vger.kernel.org>; raf...@kernel.org; j...@kernel.org; Arnaldo
> > Carvalho de Melo ; Greg Kroah-Hartman
> > ; Masahiro Yamada
> >
> > Subject: Re: [PATCH v4 bpf-next 3/5] kbuild: build kernel module BTFs if
> > BTF is
> &
naldo
> Carvalho de Melo ; Greg Kroah-Hartman
> ; Masahiro Yamada
>
> Subject: Re: [PATCH v4 bpf-next 3/5] kbuild: build kernel module BTFs if BTF
> is
> enabled and pahole supports it
>
>
>
> > On Nov 9, 2020, at 5:19 PM, Andrii Nakryiko wrote:
>
> [...]
&
> On Nov 9, 2020, at 5:19 PM, Andrii Nakryiko wrote:
[...]
> SPLIT BTF
> =
>
> $ for f in $(find . -name '*.ko'); do size -A -d $f | grep BTF | awk '{print
> $2}'; done | awk '{ s += $1 } END { print s }'
> 5194047
>
> $ for f in $(find . -name '*.ko'); do printf "%s %d\n" $f $(siz
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