Merge tag 'timers-vdso-2025-07-29' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull VDSO selftest updates from Thomas Gleixner:

 - Skip the chacha test when the architecture does not provide the
   random infrastructure in the VDSO

 - Switch back to a symlink for vdso_standalone_test_x86 to avoid code
   duplication.

 - Improve code quality and TAP output compliance

* tag 'timers-vdso-2025-07-29' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  selftests: vDSO: vdso_standalone_test_x86: Replace source file with symlink
  selftests: vDSO: vdso_test_getrandom: Always print TAP header
  selftests: vDSO: vdso_test_correctness: Fix -Wstrict-prototypes
  selftests: vDSO: Enable -Wall
  selftests: vDSO: vdso_config: Avoid -Wunused-variables
  selftests: vDSO: vdso_test_getrandom: Avoid -Wunused
  selftests: vDSO: vdso_test_getrandom: Drop unused include of linux/compiler.h
  selftests: vDSO: clock_getres: Drop unused include of err.h
  selftests: vDSO: chacha: Correctly skip test if necessary