Re: [PATCH 0/3] static keys: fix test/set races

[Steven Rostedt]

On Mon, 30 Jun 2014 17:43:50 -0400
Jason Baron <jbaron@xxxxxxxxxx> wrote:

> Hi Steve,
> 
> I took a closer look at this, and I'm thinking now that its simpler to
> just take the &inode->i_mutex in sched_feat_write(), surrounding the
> test/set jump_label call. It should be about 3 lines :)

Smaller patches are always nice.

> 
> I started re-working this with the patches in this series and it just
> seemed like a lot of code for only 1 current use-case. (The udp case
> doesn't appear to disable the branch and thus is not racy.)
> 
> So I've swung back to what Ingo originally said - I can test/post the
> suggested 3-line patch, unless there are other thoughts...

Well, the final decision lies with Peter and Ingo. I only noticed it
while cleaning out my inbox and didn't want it to be forgotten.

-- Steve

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