[lkml]   [2018]   [May]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH 00/14] Modify action API for implementing lockless actions
Mon, May 14, 2018 at 08:03:20PM CEST, wrote:
>On 14/05/18 10:27 AM, Vlad Buslov wrote:
>> Currently, all netlink protocol handlers for updating rules, actions and
>> qdiscs are protected with single global rtnl lock which removes any
>> possibility for parallelism. This patch set is a first step to remove
>> rtnl lock dependency from TC rules update path. It updates act API to
>> use atomic operations, rcu and spinlocks for fine-grained locking. It
>> also extend API with functions that are needed to update existing
>> actions for parallel execution.
>> Outline of changes:
>> - Change tc action to use atomic reference and bind counters, rcu
>> mechanism for cookie update.
>> - Extend action ops API with 'delete' function and 'unlocked' flag.
>> - Change action API to work with actions in lockless manner based on
>> primitives implemented in previous patches.
>> - Extend action API with new functions necessary to implement unlocked
>> actions.
>Please run all the tdc tests with these changes. This area has almost
>good test coverage at this point. If you need help just ping me.

Oh, that reminds me. Vlad, please run also:


 \ /
  Last update: 2018-05-15 10:21    [W:0.612 / U:0.228 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site