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SubjectRe: [PATCH] perf/x86/intel: Mark expected switch fall-throughs
On Tue, Jun 25, 2019 at 10:12:42AM -0700, Kees Cook wrote:
> On Tue, Jun 25, 2019 at 09:18:46AM +0200, Peter Zijlstra wrote:
> > Can it build a kernel without patches yet? That is, why should I care
> > what LLVM does?
> Yes. LLVM trunk builds and boots x86 now. As for distro availability,
> AIUI, the asm-goto feature missed the 9.0 LLVM branch point, so it'll
> appear in the following release.
> --
> Kees Cook

I don't think that's right. LLVM 9 hasn't been branched yet so it should
make it in.

If anyone wants to play around with it before then, we wrote a
self-contained script that will build an LLVM toolchain suitable for
kernel development:


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