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Since barrier_before_unreachable() is empty for !GCC it is trivial to unify the two definitions. Less is more. Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Acked-by: Josh Poimboeuf <jpoimboe@kernel.org> Link: https://lore.kernel.org/r/20241128094311.924381359@infradead.org