Re: [PATCH] vsprintf: Fix memory barriers of ptr_key to have_filed_random_ptr_key

From: Linus Torvalds
Date: Tue May 15 2018 - 18:31:55 EST


On Tue, May 15, 2018 at 1:10 PM Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:
> The work queue looks to run immediately.

2ms is definitely not "immediately". It's just "soon".

The whole - and _only_ reason we're doing all these changes is that people
wanted reliable object hashes from very early bootup tracing, so I think it
matters.

> we could always do this:

Ugh. I think I prefer the barriers.

Linus