linux-kernel - Re: Smatch check for Spectre stuff

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Date:   Mon, 23 Apr 2018 07:31:03 -0500
From:   "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To:     Peter Zijlstra <peterz@...radead.org>,
        Dan Carpenter <dan.carpenter@...cle.com>
Cc:     linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>, dan.j.williams@...el.com,
        Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: Smatch check for Spectre stuff

Hi Peter,

On 04/20/2018 07:00 AM, Peter Zijlstra wrote:
> 
> Hi Dan,
> 
> awesome stuff...
> 
> So I fear that many are actually things we want to fix. Our policy was
> to kill the speculation on the first load and not worry if it can be
> completed with a dependent load/store.
> 
I wonder if there is any thread where I can read the discussion about 
that policy that you mention.

Could you share it here, please?

Thanks
--
Gustavo