[LSF/MM/BPF TOPIC] Changes in RCU over the past few years

Chaitanya Kulkarni chaitanyak at nvidia.com
Mon Mar 14 22:58:26 PDT 2022


On 3/9/22 13:38, Paul E. McKenney wrote:
> On Mon, Mar 07, 2022 at 03:50:43AM +0000, Chaitanya Kulkarni wrote:
>> On 3/3/22 19:51, Paul E. McKenney wrote:
>>> Hello!
>>>
>>> There have been a number of changes to RCU over the past few years,
>>> including consolidating the update-side RCU-preempt, RCU-sched,
>>> and RCU-bh flavors, the addition of TREE SRCU, non-sleeping polled
>>> grace-period interfaces for RCU and SRCU, and addition of a couple
>>> variants of Tasks RCU.  This topic would include a quick overview of
>>> these changes, with special attention to challenges when back porting to
>>> pre-consolidated-RCU kernels.  Time permitting, it might also be useful
>>> to look at some of the nuances of SLAB_DESTROY_BY_RCU.
>>>
>>> This would also be an opportunity to discuss RCU use cases and potential
>>> changes to RCU itself.
>>>
>>> 						Thanx, Paul
>>>
>>
>> I'll be very much interested in this topic and I think everyone
>> non-only mm but fs/storage tracks can also benefit from this.
>>
>> Perhaps we should add respective mailing list to this thread ?
>> (linux-block and linux-fsdevel)
> 
> Works for me!
> 
> 							Thanx, Paul
> 

adding linux-block, linux-nvme and linux-fsdevel.

-ck




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