net/tls: Replace TLS_RX_SYNC_RUNNING with RCU
authorMaxim Mikityanskiy <maximmi@nvidia.com>
Tue, 1 Jun 2021 12:07:59 +0000 (15:07 +0300)
committerDavid S. Miller <davem@davemloft.net>
Tue, 1 Jun 2021 22:58:05 +0000 (15:58 -0700)
commit05fc8b6cbd4f979a6f25759c4a17dd5f657f7ecd
tree79d371e6863c76af7cba97aa92fb4b6972cf899f
parentf336d0b93ae978f12c5e27199f828da89b91e56a
net/tls: Replace TLS_RX_SYNC_RUNNING with RCU

RCU synchronization is guaranteed to finish in finite time, unlike a
busy loop that polls a flag. This patch is a preparation for the bugfix
in the next patch, where the same synchronize_net() call will also be
used to sync with the TX datapath.

Signed-off-by: Maxim Mikityanskiy <maximmi@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
include/net/tls.h
net/tls/tls_device.c