[Bridge] [PATCH net-next v3 06/15] net: bridge: mcast: add support for group query retransmit

Nikolay Aleksandrov nikolay at cumulusnetworks.com
Sun Sep 6 21:14:51 UTC 2020


On 9/7/20 12:01 AM, Jakub Kicinski wrote:
> On Sat,  5 Sep 2020 11:24:01 +0300 Nikolay Aleksandrov wrote:
>> We need to be able to retransmit group-specific and group-and-source
>> specific queries. The new timer takes care of those.
> 
> What guarantees that timer will not use pg after free? Do timer
> callbacks hold the RCU read lock?
> 

See the last patch, it guarantees no entry timer will be used when it's freed.


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