On Mon, Apr 23, 2018 at 07:31:03AM -0500, Gustavo A. R. Silva wrote: > 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?
I think it was somewhere in the many spectre variant1 threads when Linus Alexei and Dan W were hashing out the mitigation thing. I cannot quickly find the specific email. Clarifying that position was one reason for the patches I did, Linus and Dan W are on Cc and I figure that if they all agree we should maybe add a little something to Documentation/speculation.txt.