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From: Stephen Hemminger <stephen@networkplumber.org>
To: Konstantin Ananyev <konstantin.ananyev@huawei.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [PATCH v3 03/27] ring: use compare-and-swap wrapper
Date: Mon, 25 May 2026 07:31:38 -0700	[thread overview]
Message-ID: <20260525073138.7b92de69@phoenix.local> (raw)
In-Reply-To: <b827bdd2f5994f24b9806e5cbae82cd3@huawei.com>

On Mon, 25 May 2026 07:41:13 +0000
Konstantin Ananyev <konstantin.ananyev@huawei.com> wrote:

> In fact, in rte_ring we do have 2 implementations of the same core functions:
> lib/ring/rte_ring_c11_pvt.h  - uses C11 atomics
> lib/ring/rte_ring_generic_pvt.h - uses legacy instructions (smp_mb, extra), 
> If we going remove these legacy instructions anyway (or reimplementing them using C11 atomics),
> then there is probably no point to keep rte_ring_generic_pvt.h.
> Konstantin

Good point will try heading that way.

  reply	other threads:[~2026-05-25 14:31 UTC|newest]

Thread overview: 105+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-05-21  4:17 [RFC 0/7] prepare deprecation of rte_atomicNN_*() family Stephen Hemminger
2026-05-21  4:17 ` [RFC 1/7] doc: update versions in deprecation file Stephen Hemminger
2026-05-21  4:17 ` [RFC 2/7] eal: reimplement rte_smp_*mb with rte_atomic_thread_fence Stephen Hemminger
2026-05-21 15:43   ` Wathsala Vithanage
2026-05-21  4:17 ` [RFC 3/7] ring: use C11 atomic operations for MP/SP head/tail Stephen Hemminger
2026-05-21 15:57   ` Wathsala Vithanage
2026-05-21  4:17 ` [RFC 4/7] net/zxdh: work around GCC bitfield uninit false positive Stephen Hemminger
2026-05-21  4:17 ` [RFC 5/7] net/bonding: use stdatomic Stephen Hemminger
2026-05-21  4:17 ` [RFC 6/7] net/nbl: remove unused rte_atomic16 field Stephen Hemminger
2026-05-21  4:17 ` [RFC 7/7] config: use RTE_FORCE_INTRINSICS on all platforms Stephen Hemminger
2026-05-21 18:04 ` [RFC v2 00/11] prepare deprecation of rte_atomicNN_*() family Stephen Hemminger
2026-05-21 18:04   ` [RFC v2 01/11] eal: use intrinsics for rte_atomic on all platforms Stephen Hemminger
2026-05-21 18:04   ` [RFC v2 02/11] eal: reimplement rte_smp_*mb with rte_atomic_thread_fence Stephen Hemminger
2026-05-21 18:04   ` [RFC v2 03/11] ring: use C11 atomic operations for MP/SP head/tail Stephen Hemminger
2026-05-21 18:04   ` [RFC v2 04/11] net/bonding: use stdatomic Stephen Hemminger
2026-05-21 18:04   ` [RFC v2 05/11] net/nbl: remove unused rte_atomic16 field Stephen Hemminger
2026-05-21 18:04   ` [RFC v2 06/11] net/ena: replace use of rte_atomicNN Stephen Hemminger
2026-05-21 18:04   ` [RFC v2 07/11] net/failsafe: convert to stdatomic Stephen Hemminger
2026-05-21 18:04   ` [RFC v2 08/11] net/enic: do not use deprecated rte_atomic64 Stephen Hemminger
2026-05-21 18:04   ` [RFC v2 09/11] net/pfe: use ethdev linkstatus helpers Stephen Hemminger
2026-05-21 18:04   ` [RFC v2 10/11] net/sfc: replace rte_atomic with stdatomic Stephen Hemminger
2026-05-21 18:04   ` [RFC v2 11/11] crypto/ccp: replace use of rte_atomic64 " Stephen Hemminger
2026-05-22 14:19   ` [RFC v2 00/11] prepare deprecation of rte_atomicNN_*() family Bruce Richardson
2026-05-22 14:45     ` Stephen Hemminger
2026-05-23 19:16 ` [PATCH v3 00/27] deprecate rte_atomicNN family Stephen Hemminger
2026-05-23 19:16   ` [PATCH v3 01/27] eal: use intrinsics for rte_atomic on all platforms Stephen Hemminger
2026-05-23 19:16   ` [PATCH v3 02/27] eal: reimplement rte_smp_*mb with rte_atomic_thread_fence Stephen Hemminger
2026-05-23 19:16   ` [PATCH v3 03/27] ring: use compare-and-swap wrapper Stephen Hemminger
2026-05-25  7:41     ` Konstantin Ananyev
2026-05-25 14:31       ` Stephen Hemminger [this message]
2026-05-25 15:35       ` Stephen Hemminger
2026-05-25 15:47         ` Morten Brørup
2026-05-23 19:16   ` [PATCH v3 04/27] bpf: replace atomic op macro with typed helpers Stephen Hemminger
2026-05-23 19:16   ` [PATCH v3 05/27] net/bonding: use stdatomic Stephen Hemminger
2026-05-23 19:16   ` [PATCH v3 06/27] net/nbl: remove unused rte_atomic16 field Stephen Hemminger
2026-05-23 19:16   ` [PATCH v3 07/27] net/ena: replace use of rte_atomicNN Stephen Hemminger
2026-05-23 19:16   ` [PATCH v3 08/27] net/failsafe: convert to stdatomic Stephen Hemminger
2026-05-23 19:16   ` [PATCH v3 09/27] net/enic: do not use deprecated rte_atomic64 Stephen Hemminger
2026-05-23 19:56 ` [PATCH v3 00/27] deprecate rte_atomicNN family Stephen Hemminger
2026-05-23 19:56   ` [PATCH v3 01/27] eal: use intrinsics for rte_atomic on all platforms Stephen Hemminger
2026-05-23 19:56   ` [PATCH v3 02/27] eal: reimplement rte_smp_*mb with rte_atomic_thread_fence Stephen Hemminger
2026-05-23 19:56   ` [PATCH v3 03/27] ring: use compare-and-swap wrapper Stephen Hemminger
2026-05-23 19:56   ` [PATCH v3 04/27] bpf: replace atomic op macro with typed helpers Stephen Hemminger
2026-05-25 10:49     ` Marat Khalili
2026-05-23 19:56   ` [PATCH v3 05/27] net/bonding: use stdatomic Stephen Hemminger
2026-05-23 19:56   ` [PATCH v3 06/27] net/nbl: remove unused rte_atomic16 field Stephen Hemminger
2026-05-23 19:56   ` [PATCH v3 07/27] net/ena: replace use of rte_atomicNN Stephen Hemminger
2026-05-23 19:56   ` [PATCH v3 08/27] net/failsafe: convert to stdatomic Stephen Hemminger
2026-05-23 19:56   ` [PATCH v3 09/27] net/enic: do not use deprecated rte_atomic64 Stephen Hemminger
2026-05-23 19:56   ` [PATCH v3 10/27] net/pfe: use ethdev linkstatus helpers Stephen Hemminger
2026-05-23 19:56   ` [PATCH v3 11/27] net/sfc: replace rte_atomic with stdatomic Stephen Hemminger
2026-05-23 19:56   ` [PATCH v3 12/27] crypto/ccp: replace use of rte_atomic64 " Stephen Hemminger
2026-05-23 19:56   ` [PATCH v3 13/27] bus/dpaa: replace rte_atomic16 " Stephen Hemminger
2026-05-23 19:56   ` [PATCH v3 14/27] drivers: " Stephen Hemminger
2026-05-23 19:56   ` [PATCH v3 15/27] net/netvsc: replace rte_atomic32 " Stephen Hemminger
2026-05-23 19:56   ` [PATCH v3 16/27] event/sw: convert from rte_atomic32 to stdatomic Stephen Hemminger
2026-05-23 19:56   ` [PATCH v3 17/27] bus/vmbus: convert from rte_atomic " Stephen Hemminger
2026-05-23 19:56   ` [PATCH v3 18/27] common/dpaax: remove unused atomic macros Stephen Hemminger
2026-05-23 19:56   ` [PATCH v3 19/27] net/bnx2x: convert from rte_atomic32 to stdatomic Stephen Hemminger
2026-05-23 19:56   ` [PATCH v3 20/27] bus/fslmc: replace rte_atomic32 with stdatomic Stephen Hemminger
2026-05-23 19:56   ` [PATCH v3 21/27] drivers/event: replace rte_atomic32 in selftests Stephen Hemminger
2026-05-23 19:56   ` [PATCH v3 22/27] net/hinic: replace rte_atomic32 with stdatomic Stephen Hemminger
2026-05-23 19:56   ` [PATCH v3 23/27] net/txgbe: " Stephen Hemminger
2026-05-23 19:56   ` [PATCH v3 24/27] net/vhost: use stdatomic instead of rte_atomic32 Stephen Hemminger
2026-05-23 19:56   ` [PATCH v3 25/27] vdpa/ifc: replace rte_atomic32 with stdatomic Stephen Hemminger
2026-05-23 19:56   ` [PATCH v3 26/27] test/atomic: suppress deprecation warnings for legacy APIs Stephen Hemminger
2026-05-23 19:56   ` [PATCH v3 27/27] eal: mark rte_atomicNN as deprecated Stephen Hemminger
2026-05-26 23:23 ` [PATCH v4 00/27] deprecate rte_atomicNN family Stephen Hemminger
2026-05-26 23:23   ` [PATCH v4 01/27] eal: use intrinsics for rte_atomic on all platforms Stephen Hemminger
2026-06-01 18:23     ` Konstantin Ananyev
2026-05-26 23:23   ` [PATCH v4 02/27] eal: reimplement rte_smp_*mb with rte_atomic_thread_fence Stephen Hemminger
2026-06-01 18:24     ` Konstantin Ananyev
2026-05-26 23:23   ` [PATCH v4 03/27] ring: unify memory model on C11, remove atomic32 Stephen Hemminger
2026-06-01 18:18     ` Konstantin Ananyev
2026-06-01 21:05       ` Stephen Hemminger
2026-06-01 21:18       ` Stephen Hemminger
2026-06-01 22:07     ` Stephen Hemminger
2026-05-26 23:23   ` [PATCH v4 04/27] bpf: use C11 atomics in BPF_ST_ATOMIC_REG Stephen Hemminger
2026-05-27 16:52     ` Marat Khalili
2026-05-26 23:23   ` [PATCH v4 05/27] net/bonding: use stdatomic Stephen Hemminger
2026-05-26 23:23   ` [PATCH v4 06/27] net/nbl: remove unused rte_atomic16 field Stephen Hemminger
2026-05-26 23:23   ` [PATCH v4 07/27] net/ena: replace use of rte_atomicNN Stephen Hemminger
2026-05-26 23:23   ` [PATCH v4 08/27] net/failsafe: convert to stdatomic Stephen Hemminger
2026-05-26 23:23   ` [PATCH v4 09/27] net/enic: do not use deprecated rte_atomic64 Stephen Hemminger
2026-05-26 23:24   ` [PATCH v4 10/27] net/pfe: use ethdev linkstatus helpers Stephen Hemminger
2026-05-26 23:24   ` [PATCH v4 11/27] net/sfc: replace rte_atomic with stdatomic Stephen Hemminger
2026-06-01  9:22     ` Andrew Rybchenko
2026-05-26 23:24   ` [PATCH v4 12/27] crypto/ccp: replace use of rte_atomic64 " Stephen Hemminger
2026-05-26 23:24   ` [PATCH v4 13/27] bus/dpaa: replace rte_atomic16 " Stephen Hemminger
2026-05-26 23:24   ` [PATCH v4 14/27] drivers: " Stephen Hemminger
2026-05-26 23:24   ` [PATCH v4 15/27] net/netvsc: replace rte_atomic32 " Stephen Hemminger
2026-05-27  0:29     ` [EXTERNAL] " Long Li
2026-05-31 16:35       ` Stephen Hemminger
2026-05-26 23:24   ` [PATCH v4 16/27] event/sw: convert from rte_atomic32 to stdatomic Stephen Hemminger
2026-05-26 23:24   ` [PATCH v4 17/27] bus/vmbus: convert from rte_atomic " Stephen Hemminger
2026-05-26 23:24   ` [PATCH v4 18/27] common/dpaax: use stdatomic instead of rte_atomic Stephen Hemminger
2026-05-26 23:24   ` [PATCH v4 19/27] net/bnx2x: convert from rte_atomic32 to stdatomic Stephen Hemminger
2026-05-26 23:24   ` [PATCH v4 20/27] bus/fslmc: replace rte_atomic32 with stdatomic Stephen Hemminger
2026-05-26 23:24   ` [PATCH v4 21/27] drivers/event: replace rte_atomic32 in selftests Stephen Hemminger
2026-05-26 23:24   ` [PATCH v4 22/27] net/hinic: replace rte_atomic32 with stdatomic Stephen Hemminger
2026-05-26 23:24   ` [PATCH v4 23/27] net/txgbe: " Stephen Hemminger
2026-05-26 23:24   ` [PATCH v4 24/27] net/vhost: use stdatomic instead of rte_atomic32 Stephen Hemminger
2026-05-26 23:24   ` [PATCH v4 25/27] vdpa/ifc: replace rte_atomic32 with stdatomic Stephen Hemminger
2026-05-26 23:24   ` [PATCH v4 26/27] test/atomic: suppress deprecation warnings for legacy APIs Stephen Hemminger
2026-05-26 23:24   ` [PATCH v4 27/27] eal: mark rte_atomicNN as deprecated Stephen Hemminger

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