From: Stephen Hemminger <stephen@networkplumber.org>
To: Pravin B Shelar <pshelar@ovn.org>
Cc: netdev@vger.kernel.org
Subject: Re: [PATCH net 1/2] vxlan: avoid using stale vxlan socket.
Date: Thu, 27 Oct 2016 16:02:19 -0700 [thread overview]
Message-ID: <20161027160219.06a946f4@xeon-e3> (raw)
In-Reply-To: <1477594316-118234-1-git-send-email-pshelar@ovn.org>
On Thu, 27 Oct 2016 11:51:55 -0700
Pravin B Shelar <pshelar@ovn.org> wrote:
> - vxlan->vn4_sock = NULL;
> + rcu_assign_pointer(vxlan->vn4_sock, NULL);
> #if IS_ENABLED(CONFIG_IPV6)
> - vxlan->vn6_sock = NULL;
> + rcu_assign_pointer(vxlan->vn6_sock, NULL);
> if (ipv6 || metadata)
User RCU_INIT_POINTER when setting pointer to NULL.
It avoids unnecessary barrier.
next prev parent reply other threads:[~2016-10-27 23:02 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-27 18:51 [PATCH net 1/2] vxlan: avoid using stale vxlan socket Pravin B Shelar
2016-10-27 18:51 ` [PATCH net 2/2] geneve: avoid using stale geneve socket Pravin B Shelar
2016-10-28 14:27 ` John W. Linville
2016-10-28 17:01 ` Pravin Shelar
2016-10-27 23:02 ` Stephen Hemminger [this message]
2016-10-28 16:59 ` [PATCH net 1/2] vxlan: avoid using stale vxlan socket Pravin Shelar
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