Re: [PATCH for-next] RDMA/hns: Add interface to support lock free

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On 2020/3/13 1:27, Jason Gunthorpe wrote:
> On Thu, Mar 12, 2020 at 01:04:05PM -0400, Andrew Boyer wrote:
>>    What would you say to a per-process env variable to disable locking in
>>    a userspace provider?
> 
> That is also a no. verbs now has 'thread domain' who's purpose is to
> allow data plane locks to be skipped.
> 
> Generally new env vars in verbs are going to face opposition from
> me.
> 
> Jason
> 


Hi Leon and Jason,

Thanks for your comments. Do you have some suggestions on how to
achieve lockless flows in kernel? Are there any similar interfaces
in kernel like the thread domain in userspace?

Weihang



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