netdev - [PATCH net-next 0/9] net: introduce u64_stats

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Date:   Thu,  7 Nov 2019 16:27:13 -0800
From:   Eric Dumazet <edumazet@...gle.com>
To:     "David S . Miller" <davem@...emloft.net>
Cc:     netdev <netdev@...r.kernel.org>,
        Eric Dumazet <edumazet@...gle.com>,
        Eric Dumazet <eric.dumazet@...il.com>
Subject: [PATCH net-next 0/9] net: introduce u64_stats_t

KCSAN found a data-race in per-cpu u64 stats accounting.

(The stack traces are included in the 8th patch :
 tun: switch to u64_stats_t)

This patch series first consolidate code in five patches.
Then the last three patches address the data-race resolution.

Eric Dumazet (9):
  net: provide dev_lstats_read() helper
  net: provide dev_lstats_add() helper
  net: nlmon: use standard dev_lstats_add() and dev_lstats_read()
  veth: use standard dev_lstats_add() and dev_lstats_read()
  vsockmon: use standard dev_lstats_add() and dev_lstats_read()
  net: dummy: use standard dev_lstats_add() and dev_lstats_read()
  u64_stats: provide u64_stats_t type
  tun: switch to u64_stats_t
  net: use u64_stats_t in struct pcpu_lstats

 drivers/net/dummy.c            | 36 ++++--------------------
 drivers/net/loopback.c         | 38 +++++++++++++------------
 drivers/net/nlmon.c            | 28 ++-----------------
 drivers/net/tun.c              | 32 ++++++++++-----------
 drivers/net/veth.c             | 43 ++++++++--------------------
 drivers/net/vsockmon.c         | 31 ++-------------------
 include/linux/netdevice.h      | 16 +++++++++--
 include/linux/u64_stats_sync.h | 51 +++++++++++++++++++++++++++++++---
 8 files changed, 118 insertions(+), 157 deletions(-)

-- 
2.24.0.432.g9d3f5f5b63-goog