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The unwind user framework in general requires an architecture-specific implementation of unwind_user_word_size() to be present for any unwind method, whether that is fp or a future other method, such as potentially sframe. Guard unwind_user_word_size() by the availability of the UNWIND_USER framework instead of the specific HAVE_UNWIND_USER_FP method. This facilitates to selectively disable HAVE_UNWIND_USER_FP on x86 (e.g. for test purposes) once a new unwind method is added to unwind user. Signed-off-by: Jens Remus <jremus@linux.ibm.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://patch.msgid.link/20251208160352.1363040-4-jremus@linux.ibm.com