[llvm-dev] FYI, we've posted a component of Spectre mitigation on llvm-commits

Chandler Carruth via llvm-dev llvm-dev at lists.llvm.org
Fri Jan 5 03:22:49 PST 2018

Awesome, replied.

We've been working on similar things, but didn't have them ready-to-publish
due to slightly lower urgency (there are reasonable ways to locally mimic
these kinds of things in sensitive areas like the Linux kernel, and even
finding code patterns for variant #1 is substantially harder). We have some
significantly different APIs we'd like to discuss here based on experience
trying to implement these on x86 and deploy them to a reasonably large body
of code. Hopefully more details soon as folks have time.

On Fri, Jan 5, 2018 at 6:15 AM Kristof Beyls <Kristof.Beyls at arm.com> wrote:

> Thanks for the notification, Chandler.
> I also wanted to note that I’ve just posted another component for Spectre
> mitigation (variant 1), see https://reviews.llvm.org/D41760 and
> https://reviews.llvm.org/D41761.
> I believe this is completely complementary to the retpoline mitigation you
> pointed to at https://reviews.llvm.org/D41723#, which is targeted at
> mitigating variant 2.
> Thanks,
> Kristof
> On 4 Jan 2018, at 11:23, Chandler Carruth via llvm-dev <
> llvm-dev at lists.llvm.org> wrote:
> Sending a note here as this seems likely to be of relatively broad
> interest.
> Thread:
> http://lists.llvm.org/pipermail/llvm-commits/Week-of-Mon-20180101/513630.html
> Review link:
> https://reviews.llvm.org/D41723#
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> llvm-dev at lists.llvm.org
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