On Thu, 17 Sept 2026 at 22:11, Stephen Hemminger <[email protected]> wrote: > > The rte_atomicNN_* family was flagged for deprecation in 2021 by > commit 3ec965b6de12 ("doc: update atomic operation deprecation") > but removal had stalled and usage continued to grow. > > This series finishes converting every remaining in-tree caller to > the C11-style rte_atomic_*_explicit() / RTE_ATOMIC() API, then > removes the legacy functions. The deprecation has been out there > long enough so not a big surprise to users. > > Series-acked-by: Morten Brørup <[email protected]> > > v8 - drop unused in_use flag in dpaa > - consolidate fslmc changes > - vmbus: use acquire ordering on the wait for the previous > producer so an earlier producer's data writes are carried by > this thread's release store (Long Li) > - collect review tags > - more AI review comments > > v7 - fix some review comments > - remove unused macros > - remove ret_atomicNN functions (rather than deprecating them). > > v6 - rebase for 26.11 > - address some more AI review comments > > Stephen Hemminger (25): > bpf: use C11 atomics in BPF_ST_ATOMIC_REG > net/bonding: use stdatomic > net/nbl: remove unused rte_atomic16 field > net/ena: replace use of rte_atomicNN > net/failsafe: convert to stdatomic > net/enic: do not use deprecated rte_atomic64 > net/pfe: use ethdev linkstatus helpers > net/sfc: replace rte_atomic with stdatomic > crypto/ccp: replace use of rte_atomic64 with stdatomic > bus/dpaa: remove unused in_use field > bus/dpaa: replace rte_atomic16 with stdatomic > bus/fslmc: replace rte_atomic with stdatomic > common/dpaax: remove unused atomic wrappers > net/netvsc: replace rte_atomic32 with stdatomic > event/sw: convert from rte_atomic32 to stdatomic > bus/vmbus: convert from rte_atomic to stdatomic > net/bnx2x: convert from rte_atomic32 to stdatomic > drivers/event: replace rte_atomic32 in selftests > net/hinic: replace rte_atomic32 with stdatomic > net/txgbe: replace rte_atomic32 with stdatomic > net/vhost: use stdatomic for state flags > net/vhost: use stdatomic instead of rte_atomic32 > vdpa/ifc: replace rte_atomic32 with stdatomic > test/atomic: drop old rte_atomicNN tests > eal: remove rte_atomicNN functions > > app/test/test_atomic.c | 523 +--------- > devtools/checkpatches.sh | 8 - > .../prog_guide/writing_efficient_code.rst | 9 +- > doc/guides/rel_notes/deprecation.rst | 7 - > doc/guides/rel_notes/release_26_11.rst | 7 + > drivers/bus/dpaa/base/qbman/bman.c | 7 +- > drivers/bus/dpaa/base/qbman/qman.c | 9 +- > drivers/bus/fslmc/portal/dpaa2_hw_dpbp.c | 11 +- > drivers/bus/fslmc/portal/dpaa2_hw_dpci.c | 11 +- > drivers/bus/fslmc/portal/dpaa2_hw_dpcon.c | 11 +- > drivers/bus/fslmc/portal/dpaa2_hw_dpio.c | 14 +- > drivers/bus/fslmc/portal/dpaa2_hw_pvt.h | 9 +- > drivers/bus/fslmc/qbman/include/compat.h | 18 +- > drivers/bus/vmbus/private.h | 2 +- > drivers/bus/vmbus/vmbus_bufring.c | 40 +- > drivers/common/dpaax/compat.h | 14 - > drivers/crypto/ccp/ccp_crypto.c | 11 +- > drivers/crypto/ccp/ccp_crypto.h | 2 +- > drivers/crypto/ccp/ccp_dev.c | 10 +- > drivers/crypto/ccp/ccp_dev.h | 4 +- > drivers/event/dpaa2/dpaa2_eventdev_selftest.c | 26 +- > drivers/event/octeontx/ssovf_evdev_selftest.c | 57 +- > drivers/event/sw/sw_evdev.c | 8 +- > drivers/event/sw/sw_evdev.h | 4 +- > drivers/event/sw/sw_evdev_worker.c | 16 +- > drivers/net/bnx2x/bnx2x.c | 6 +- > drivers/net/bnx2x/bnx2x.h | 2 +- > drivers/net/bnx2x/ecore_sp.c | 6 +- > drivers/net/bonding/eth_bond_8023ad_private.h | 6 +- > drivers/net/bonding/rte_eth_bond_8023ad.c | 35 +- > drivers/net/ena/base/ena_plat_dpdk.h | 14 +- > drivers/net/ena/ena_ethdev.c | 21 +- > drivers/net/ena/ena_ethdev.h | 7 +- > drivers/net/enic/enic.h | 6 +- > drivers/net/enic/enic_compat.h | 1 - > drivers/net/enic/enic_main.c | 17 +- > drivers/net/enic/enic_rxtx.c | 14 +- > drivers/net/enic/enic_rxtx_vec_avx2.c | 4 +- > drivers/net/failsafe/failsafe_ops.c | 12 +- > drivers/net/failsafe/failsafe_private.h | 29 +- > drivers/net/failsafe/failsafe_rxtx.c | 2 +- > drivers/net/hinic/base/hinic_compat.h | 2 +- > drivers/net/hinic/base/hinic_pmd_hwdev.c | 24 +- > drivers/net/hinic/base/hinic_pmd_hwdev.h | 4 +- > drivers/net/nbl/nbl_hw/nbl_resource.h | 1 - > drivers/net/netvsc/hn_rndis.c | 28 +- > drivers/net/netvsc/hn_rxtx.c | 12 +- > drivers/net/netvsc/hn_var.h | 6 +- > drivers/net/pfe/pfe_ethdev.c | 32 +- > drivers/net/sfc/sfc.c | 9 +- > drivers/net/sfc/sfc.h | 4 +- > drivers/net/sfc/sfc_port.c | 7 +- > drivers/net/sfc/sfc_stats.h | 2 +- > drivers/net/txgbe/base/txgbe_mng.c | 4 +- > drivers/net/txgbe/base/txgbe_type.h | 2 +- > drivers/net/vhost/rte_eth_vhost.c | 92 +- > drivers/vdpa/ifc/ifcvf_vdpa.c | 37 +- > lib/bpf/bpf_exec.c | 13 +- > lib/eal/arm/include/rte_atomic_32.h | 4 - > lib/eal/arm/include/rte_atomic_64.h | 4 - > lib/eal/include/generic/rte_atomic.h | 928 ------------------ > lib/eal/loongarch/include/rte_atomic.h | 4 - > lib/eal/ppc/include/rte_atomic.h | 175 ---- > lib/eal/riscv/include/rte_atomic.h | 4 - > lib/eal/x86/include/meson.build | 1 - > lib/eal/x86/include/rte_atomic.h | 187 +--- > lib/eal/x86/include/rte_atomic_32.h | 212 ---- > lib/eal/x86/include/rte_atomic_64.h | 157 --- > 68 files changed, 416 insertions(+), 2559 deletions(-) > delete mode 100644 lib/eal/x86/include/rte_atomic_32.h
AI review spots that concurrent non atomic increments is undefined behavior (in at least net/ena). There is also one nit in net/enic. There may be some leftover, but I spotted nothing more for now. The series lgtm on the principle. -- David Marchand
