Re: [PATCH v1 01/25] net: core: device_rename: Use rwsem instead of a seqcount

[Thomas Gleixner]

Stephen Hemminger <stephen@xxxxxxxxxxxxxxxxxx> writes:
> On Wed, 20 May 2020 00:23:48 +0200
> Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote:
>> No. We did not. -ENOTESTCASE
>
> Please try, it isn't that hard..
>
> # time for ((i=0;i<1000;i++)); do ip li add dev dummy$i type dummy; done
>
> real	0m17.002s
> user	0m1.064s
> sys	0m0.375s

And that solves the incorrectness of the current code in which way?