[ovs-dev] [PATCH net-next] net: openvswitch: fix to make sure flow_lookup() is not preempted
echaudro at redhat.com
Thu Oct 15 08:11:31 UTC 2020
On 15 Oct 2020, at 9:55, Sebastian Andrzej Siewior wrote:
> On 2020-10-14 12:44:23 [+0200], Eelco Chaudron wrote:
>> Let me know your thoughts.
> better. If your seccount is per-CPU then you get away without explicit
> writer locking if you rely on global per-CPU locking. You can't do
> preempt_disable() because this section can be interrupt by softirq.
> need something stronger :)
Thanks for your reply! Yes I had it replaced with local_bh_disable() in
my v2, as I noticed the hard IRQ to softirq part earlier.
> Side note: Adding a fixes tag and net-next looks like "stable material
> starting next merge window".
Have the patch on net-next, but will send it out on next (will do the
conversion later today and sent it out).
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