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scripts/gen-btf.sh: Use CONFIG_SHELL for execution

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According to the docs [1], kernel build scripts should be executed via
CONFIG_SHELL, which is sh by default.

Fixup gen-btf.sh to be runnable with sh, and use CONFIG_SHELL at every
invocation site.

See relevant discussion for context [2].

[1] https://docs.kernel.org/kbuild/makefiles.html#script-invocation
[2] https://lore.kernel.org/bpf/CAADnVQ+dxmSNoJAGb6xV89ffUCKXe5CJXovXZt22nv5iYFV5mw@mail.gmail.com/

Signed-off-by: Ihor Solodrai <ihor.solodrai@linux.dev>
Tested-by: Gary Guo <gary@garyguo.net>
Reported-by: Gary Guo <gary@garyguo.net>
Suggested-by: Thomas Weißschuh <linux@weissschuh.net>
Fixes: 522397d05e ("resolve_btfids: Change in-place update with raw binary output")
Link: https://lore.kernel.org/r/20260121181617.820300-1-ihor.solodrai@linux.dev
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Ihor Solodrai
2026-01-21 10:16:17 -08:00
committed by Alexei Starovoitov
parent d73cbe2c14
commit 26ad5d6e76
3 changed files with 6 additions and 6 deletions
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2
scripts/link-vmlinux.sh
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@@ -206,7 +206,7 @@ fi
if is_enabled CONFIG_DEBUG_INFO_BTF; then
info BTF .tmp_vmlinux1
if ! ${srctree}/scripts/gen-btf.sh .tmp_vmlinux1; then
if ! ${CONFIG_SHELL} ${srctree}/scripts/gen-btf.sh .tmp_vmlinux1; then
echo >&2 "Failed to generate BTF for vmlinux"
echo >&2 "Try to disable CONFIG_DEBUG_INFO_BTF"
exit 1