diff options
| author | Dave Airlie <airlied@redhat.com> | 2024-04-22 14:35:22 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2024-04-22 14:35:52 +1000 |
| commit | 0208ca55aa9c9b997da1f5bc45c4e98916323f08 (patch) | |
| tree | e3130b2116f7738ac7cd79ad71698f545bb7db69 /net/core/dev.c | |
| parent | 2871ec40994912ce4f2e2d5072a428eb84c77d3c (diff) | |
| parent | ed30a4a51bb196781c8058073ea720133a65596f (diff) | |
Backmerge tag 'v6.9-rc5' into drm-next
Linux 6.9-rc5
I've had a persistent msm failure on clang, and the fix is in fixes
so just pull it back to fix that.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'net/core/dev.c')
| -rw-r--r-- | net/core/dev.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index 9a67003e49db..331848eca7d3 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -429,7 +429,7 @@ EXPORT_PER_CPU_SYMBOL(softnet_data); * PP consumers must pay attention to run APIs in the appropriate context * (e.g. NAPI context). */ -static DEFINE_PER_CPU_ALIGNED(struct page_pool *, system_page_pool); +static DEFINE_PER_CPU(struct page_pool *, system_page_pool); #ifdef CONFIG_LOCKDEP /* @@ -3775,6 +3775,10 @@ no_lock_out: return rc; } + if (unlikely(READ_ONCE(q->owner) == smp_processor_id())) { + kfree_skb_reason(skb, SKB_DROP_REASON_TC_RECLASSIFY_LOOP); + return NET_XMIT_DROP; + } /* * Heuristic to force contended enqueues to serialize on a * separate lock before trying to get qdisc main lock. @@ -3814,7 +3818,9 @@ no_lock_out: qdisc_run_end(q); rc = NET_XMIT_SUCCESS; } else { + WRITE_ONCE(q->owner, smp_processor_id()); rc = dev_qdisc_enqueue(skb, q, &to_free, txq); + WRITE_ONCE(q->owner, -1); if (qdisc_run_begin(q)) { if (unlikely(contended)) { spin_unlock(&q->busylock); |