Add a test that klp-build rejects patches to lib/, the vDSO, real mode code and assembly files, which it can't build a livepatch for.
Assisted-by: Claude:claude-opus-5 Signed-off-by: Song Liu <[email protected]> --- .../livepatch/test_klp_build/Makefile | 3 +- .../test_klp_build/test-unsupported-files.sh | 30 +++++++++++++++++++ 2 files changed, 32 insertions(+), 1 deletion(-) create mode 100755 tools/testing/selftests/livepatch/test_klp_build/test-unsupported-files.sh diff --git a/tools/testing/selftests/livepatch/test_klp_build/Makefile b/tools/testing/selftests/livepatch/test_klp_build/Makefile index 83f4e23460ac..af8f350226c2 100644 --- a/tools/testing/selftests/livepatch/test_klp_build/Makefile +++ b/tools/testing/selftests/livepatch/test_klp_build/Makefile @@ -6,7 +6,8 @@ TEST_PROGS := \ test-independent-patches.sh \ test-cancelling-patches.sh \ test-new-and-deleted-files.sh \ - test-line-directives.sh + test-line-directives.sh \ + test-unsupported-files.sh TEST_PROGS_EXTENDED := functions.sh diff --git a/tools/testing/selftests/livepatch/test_klp_build/test-unsupported-files.sh b/tools/testing/selftests/livepatch/test_klp_build/test-unsupported-files.sh new file mode 100755 index 000000000000..968ae80f7128 --- /dev/null +++ b/tools/testing/selftests/livepatch/test_klp_build/test-unsupported-files.sh @@ -0,0 +1,30 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +. "$(dirname "$0")/functions.sh" + +setup_tree + +# - patches to lib/, the vDSO, real mode code and assembly are rejected + +for file in lib/string.c \ + arch/x86/entry/vdso/vma.c \ + arch/x86/realmode/rm/video-mode.c \ + arch/x86/kernel/head_64.S; do + + start_test "patch to $file" + + add_patch unsupported.patch <<EOT +--- a/$file ++++ b/$file +@@ -1 +1 @@ +-int x; ++int y; +EOT + + run_klp_build unsupported.patch + + expect_error "$PATCH_DIR/unsupported.patch: unsupported patch to $file" +done + +exit 0 -- 2.53.0-Meta
