APPLIED [O] Re: [PATCH] UBUNTU: [Packaging] do not attempt to generate BTF header on armhf

[Timo Aaltonen]

luca.boccassi at gmail.com kirjoitti 21.8.2024 klo 13.13:
> From: Luca Boccassi <bluca at debian.org>
> 
> BugLink: https://bugs.launchpad.net/bugs/2050083
> 
> armhf does not have working BTF for now, so create an empty header file
> like Debian does for now, to be dropped once that issue is fixed.
> 
> Follow-up for 60df5eb6035b53143695d8e6a6bff62a05fd0884
> 
> Signed-off-by: Luca Boccassi <bluca at debian.org>
> ---
>   debian/rules.d/2-binary-arch.mk | 5 +++++
>   1 file changed, 5 insertions(+)
> 
> diff --git a/debian/rules.d/2-binary-arch.mk b/debian/rules.d/2-binary-arch.mk
> index 792276bf8458..5486ceb672f8 100644
> --- a/debian/rules.d/2-binary-arch.mk
> +++ b/debian/rules.d/2-binary-arch.mk
> @@ -659,7 +659,12 @@ ifeq ($(do_tools_perf),true)
>   endif
>   	mv $(builddirpa)/tools/bpf/bpftool/vmlinux $(builddirpa)/vmlinux
>   	$(kmake) NO_LIBTRACEEVENT=1 CROSS_COMPILE=$(CROSS_COMPILE) -C $(builddirpa)/tools/bpf/bpftool
> +	# TODO: armhf does not have working BTF, so ship a stub header for now, can be removed once it's fixed
> +ifneq ($(arch),armhf)
>   	$(builddirpa)/tools/bpf/bpftool/bpftool btf dump file $(builddirpa)/vmlinux format c > $(builddirpa)/vmlinux.h
> +else
> +	echo '#error "Kernel does not support CONFIG_DEBUG_INFO_BTF"' > $(builddirpa)/vmlinux.h
> +endif
>   	rm -f $(builddirpa)/vmlinux
>   ifeq ($(do_tools_x86),true)
>   	cd $(builddirpa)/tools/power/x86/x86_energy_perf_policy && make CROSS_COMPILE=$(CROSS_COMPILE)


Applied with minor changes, added do_tools_bpftool_stub=true to armhf.mk 
to avoid hardcoding the arch in rules.

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