scripts/atomic/fallbacks/fetch_add_unless


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cat << EOF
static __always_inline ${int}
arch_${atomic}_fetch_add_unless(${atomic}_t *v, ${int} a, ${int} u)
{
	${int} c = arch_${atomic}_read(v);

	do {
		if (unlikely(c == u))
			break;
	} while (!arch_${atomic}_try_cmpxchg(v, &c, c + a));

	return c;
}
EOF