Pull kselftest fixes from Shuah Khan:
- Fix for build failures in tests that use an empty FIXTURE() seen in
Android's build environment, which uses -D_FORTIFY_SOURCE=3, a build
failure occurs in tests that use an empty FIXTURE()
- Fix func_traceonoff_triggers.tc sometimes failures on Kunpeng-920
board resulting from including transient trace file name in checksum
compare
- Fix to remove available_events requirement from toplevel-enable for
instance as it isn't a valid requirement for this test
* tag 'linux_kselftest-fixes-6.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
kselftest/harness: Use helper to avoid zero-size memset warning
selftests/ftrace: Test toplevel-enable for instance
selftests/ftrace: traceonoff_triggers: strip off names