Re: [PATCH V2] IB/core: Add mitigation for Spectre V1

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On Wed, 2019-07-31 at 14:52 -0400, Doug Ledford wrote:
> On Wed, 2019-07-31 at 12:52 -0500, Gustavo A. R. Silva wrote:
> > This is insufficient. The speculation windows are large:
> > 
> > "Speculative  execution  on  modern  CPUs  can  run  several
> > hundred  instructions  ahead." [1]
> > 
> > [1] https://spectreattack.com/spectre.pdf
> 
> Thanks, I'll take a look at that.  That issue aside, returning without
> wasting time on two mutexes is still better IMO, so I like my patch
> more
> than the proposed one.  Tony, would you like to resubmit?
> 

Never mind, I took your V2 and fixed it up like I wanted.  Patch
applied, thanks.

-- 
Doug Ledford <dledford@xxxxxxxxxx>
    GPG KeyID: B826A3330E572FDD
    Fingerprint = AE6B 1BDA 122B 23B4 265B  1274 B826 A333 0E57 2FDD

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