On Mon, 2 Feb 2026 00:14:52 -0800 [email protected] wrote: > From: Scott <[email protected]> > > This series fixes critical thread safety bugs in the af_packet PMD > and adds performance optimizations. > > Patch 1 fixes two major correctness issues: > - Thread safety: tp_status was accessed without memory barriers, > violating the kernel's PACKET_MMAP protocol. On aarch64 and other > weakly-ordered architectures, this causes packet corruption due to > missing memory ordering. The fix matches the kernel's memory model: > volatile unaligned reads/writes with explicit rte_smp_rmb/wmb > barriers and __may_alias__ protection. > > - Frame calculations: Fixed incorrect frame overhead and address > calculations that caused memory corruption when frames don't evenly > divide blocks.
Fix patch 4 and resubmit.
