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SubjectRe: [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@redhat.com>
GPG KeyID: B826A3330E572FDD
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