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(parent: 96d1d89) | patch
vhost: remove unnecessary SMP barrier for desc flags
authorJoyce Kong <joyce.kong@arm.com>
Mon, 21 Dec 2020 15:50:28 +0000 (23:50 +0800)
committerFerruh Yigit <ferruh.yigit@intel.com>
Fri, 8 Jan 2021 17:07:55 +0000 (18:07 +0100)
commit8fc9eaaac7181bdfc024230a63a89d550c625dd0
treedf7f57fe149ae83289f8e25f083efb186721f19etree | snapshot
parent96d1d898dcbc4319d8416b222aa6ba081e605823commit | diff
vhost: remove unnecessary SMP barrier for desc flags

As function desc_is_avail performs a load-acquire barrier to
enforce the ordering between desc flags and desc content, it is
unnecessary to add a rte_smp_rmb barrier around the trace which
follows desc_is_avail.

Signed-off-by: Joyce Kong <joyce.kong@arm.com>
Reviewed-by: Ruifeng Wang <ruifeng.wang@arm.com>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
lib/librte_vhost/virtio_net.c diff | blob | history
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