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f3e615b4db
Now that gen-atomic-fallback.sh is only used to generate the arch_* fallbacks, we don't need to also generate the non-arch_* forms, and can removethe infrastructure this needed. There is no change to any of the generated headers as a result of this patch. Signed-off-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/r/20210713105253.7615-3-mark.rutland@arm.com
249 B
Executable File
249 B
Executable File
cat <<EOF static _always_inline bool arch${atomic}_dec_unless_positive(${atomic}t *v) { ${int} c = arch${atomic}_read(v);
do {
if (unlikely(c > 0))
return false;
} while (!arch_${atomic}_try_cmpxchg(v, &c, c - 1));
return true;
} EOF