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| author | Jakub Kicinski <kuba@kernel.org> | 2024-12-05 11:48:58 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2024-12-05 11:50:14 -0800 |
| commit | 302cc446cbd92aadff72a647cebc13d5634f8342 (patch) | |
| tree | 759fe019d2e1c82ca8590f34c7ba46ab9ddada6e /net/core/dev.c | |
| parent | da4fa00abe5674d3d165cfd8032c740e8aab4d3b (diff) | |
| parent | 896d8946da97332d4dc80fa1937d8dd6b1c35ad4 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR (net-6.13-rc2).
No conflicts or adjacent changes.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/core/dev.c')
| -rw-r--r-- | net/core/dev.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index 13d00fc10f55..45a8c3dd4a64 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -6557,18 +6557,22 @@ static void __napi_hash_add_with_id(struct napi_struct *napi, static void napi_hash_add_with_id(struct napi_struct *napi, unsigned int napi_id) { - spin_lock(&napi_hash_lock); + unsigned long flags; + + spin_lock_irqsave(&napi_hash_lock, flags); WARN_ON_ONCE(napi_by_id(napi_id)); __napi_hash_add_with_id(napi, napi_id); - spin_unlock(&napi_hash_lock); + spin_unlock_irqrestore(&napi_hash_lock, flags); } static void napi_hash_add(struct napi_struct *napi) { + unsigned long flags; + if (test_bit(NAPI_STATE_NO_BUSY_POLL, &napi->state)) return; - spin_lock(&napi_hash_lock); + spin_lock_irqsave(&napi_hash_lock, flags); /* 0..NR_CPUS range is reserved for sender_cpu use */ do { @@ -6578,7 +6582,7 @@ static void napi_hash_add(struct napi_struct *napi) __napi_hash_add_with_id(napi, napi_gen_id); - spin_unlock(&napi_hash_lock); + spin_unlock_irqrestore(&napi_hash_lock, flags); } /* Warning : caller is responsible to make sure rcu grace period @@ -6586,11 +6590,13 @@ static void napi_hash_add(struct napi_struct *napi) */ static void napi_hash_del(struct napi_struct *napi) { - spin_lock(&napi_hash_lock); + unsigned long flags; + + spin_lock_irqsave(&napi_hash_lock, flags); hlist_del_init_rcu(&napi->napi_hash_node); - spin_unlock(&napi_hash_lock); + spin_unlock_irqrestore(&napi_hash_lock, flags); } static enum hrtimer_restart napi_watchdog(struct hrtimer *timer) |