Merge tag 'objtool-core-2026-10-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull objtool updates from Ingo Molnar:

 - Add unit test suite for objtool klp functionality and
   known failure modes (by Song Liu and Puranjay Mohan,
   with fixes by Joe Lawrence)

* tag 'objtool-core-2026-10-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (58 commits)
  objtool/klp: Add test for ThinLTO symbols sharing a demangled name
  objtool/klp: Add test for Clang switch jump tables
  objtool/klp: Add test for UBSAN metadata in an unchanged function
  objtool/klp: Add test for absolute and __ADDRESSABLE symbols
  objtool/klp: Add test for a patch which strips a data annotation
  objtool/klp: Add test for the alignment of cloned data sections
  objtool/klp: Add test for alternative replacement code in checksums
  objtool/klp: Add test for instruction operand checksums
  objtool/klp: Add test for a static call introduced by the patch
  objtool/klp: Add test for tracepoint and pr_debug static branch keys
  objtool/klp: Add test for a static branch introduced by the patch
  objtool/klp: Add test for symbols with no checksum entry of their own
  objtool/klp: Add test for data object checksums
  objtool/klp: Test text annotations on alternative replacements
  objtool/klp: Test a hand-built livepatch module's static call keys
  objtool/klp: Test rejection of a file-local static branch key
  objtool/klp: Add test for symbols whose linkage the patch changes
  objtool/klp: Add test for kCFI prefix symbols and traps
  objtool/klp: Add test for __bug_table, __ex_table and __mcount_loc extraction
  objtool/klp: Add test for static locals which must not be correlated
  ...

1 files changed, 17 insertions, 0 deletions

diff --git a/tools/objtool/tests/generic/test-basic.sh b/tools/objtool/tests/generic/test-basic.sh
new file mode 100755
index 000000000000..562edfbc8646
--- /dev/null
+++ b/tools/objtool/tests/generic/test-basic.sh
@@ -0,0 +1,17 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+#
+# Only functions whose code changed get cloned into the patch.
+
+. "$(dirname "$0")/../lib.sh"
+
+setup
+build_pair basic.c
+run_diff
+
+assert_patched     changed
+assert_not_patched untouched
+assert_section     ".init.klp_funcs"
+assert_section     ".init.klp_objects"
+
+pass "changed function cloned, unchanged function left alone"