selftests/bpf: Tolerate missing files during install

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With partial builds, some TEST_GEN_FILES entries can be absent at install
time. rsync treats missing source arguments as fatal and aborts kselftest
installation.

Override INSTALL_SINGLE_RULE in selftests/bpf to use --ignore-missing-args,
while keeping the existing bpf-specific INSTALL_RULE extension logic. Also
add --ignore-missing-args to the TEST_INST_SUBDIRS rsync loop so that
subdirectories with no .bpf.o files (e.g. when a test runner flavor was
skipped) do not abort installation.

Note that the INSTALL_SINGLE_RULE override applies globally to all file
categories including static source files (TEST_PROGS, TEST_FILES). These
are version-controlled and should always be present, so the practical risk
is negligible.

Signed-off-by: Ricardo B. Marlière <rbm@suse.com>
Link: https://lore.kernel.org/r/20260602-selftests-bpf_misconfig-v12-11-27f898b3ba26@suse.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

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Ricardo B. Marlière 2026-06-02 10:03:00 -03:00 • committed by Alexei Starovoitov

parent b85e63cb65

commit 3ca6543464

1 changed files with 14 additions and 3 deletions

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tools/testing/selftests/bpf/Makefile

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