From ae1296a7bfe4f8e446677ccb761d9419926557bc Mon Sep 17 00:00:00 2001 From: Lai Jiangshan Date: Fri, 8 Mar 2024 17:42:52 +0800 Subject: workqueue: Move attrs->cpumask out of worker_pool's properties when attrs->affn_strict Allow more pools can be shared when attrs->affn_strict. Signed-off-by: Lai Jiangshan Signed-off-by: Tejun Heo --- kernel/workqueue.c | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) (limited to 'kernel/workqueue.c') diff --git a/kernel/workqueue.c b/kernel/workqueue.c index 45d2aae73c96..f03960f094fa 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -4625,6 +4625,8 @@ static void wqattrs_clear_for_pool(struct workqueue_attrs *attrs) { attrs->affn_scope = WQ_AFFN_NR_TYPES; attrs->ordered = false; + if (attrs->affn_strict) + cpumask_copy(attrs->cpumask, cpu_possible_mask); } /* hash value of the content of @attr */ @@ -4633,11 +4635,12 @@ static u32 wqattrs_hash(const struct workqueue_attrs *attrs) u32 hash = 0; hash = jhash_1word(attrs->nice, hash); - hash = jhash(cpumask_bits(attrs->cpumask), - BITS_TO_LONGS(nr_cpumask_bits) * sizeof(long), hash); + hash = jhash_1word(attrs->affn_strict, hash); hash = jhash(cpumask_bits(attrs->__pod_cpumask), BITS_TO_LONGS(nr_cpumask_bits) * sizeof(long), hash); - hash = jhash_1word(attrs->affn_strict, hash); + if (!attrs->affn_strict) + hash = jhash(cpumask_bits(attrs->cpumask), + BITS_TO_LONGS(nr_cpumask_bits) * sizeof(long), hash); return hash; } @@ -4647,11 +4650,11 @@ static bool wqattrs_equal(const struct workqueue_attrs *a, { if (a->nice != b->nice) return false; - if (!cpumask_equal(a->cpumask, b->cpumask)) + if (a->affn_strict != b->affn_strict) return false; if (!cpumask_equal(a->__pod_cpumask, b->__pod_cpumask)) return false; - if (a->affn_strict != b->affn_strict) + if (!a->affn_strict && !cpumask_equal(a->cpumask, b->cpumask)) return false; return true; } -- cgit v1.2.3