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Date:   Tue, 19 May 2020 19:57:22 -0700 (PDT)
From:   David Miller <>
Subject: Re: [PATCH v1 01/25] net: core: device_rename: Use rwsem instead
 of a seqcount

From: Thomas Gleixner <>
Date: Wed, 20 May 2020 01:42:30 +0200

> Stephen Hemminger <> writes:
>> On Wed, 20 May 2020 00:23:48 +0200
>> Thomas Gleixner <> 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?

You mentioned that there wasn't a test case, he gave you one to try.

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