Re: Kernel 5.5.4 build fail for BPF-selftests with latest LLVM

From: Jesper Dangaard Brouer
Date: Wed Feb 19 2020 - 14:40:59 EST


On Wed, 19 Feb 2020 19:12:50 +0100
Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> wrote:

> On Wed, Feb 19, 2020 at 02:42:54PM +0100, Jesper Dangaard Brouer wrote:
> > On Wed, 19 Feb 2020 14:28:56 +0100
> > Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
> >
> > > On Wed, Feb 19, 2020 at 01:30:12PM +0100, Jesper Dangaard Brouer wrote:
> > > > Hi Andrii,
> > > >
> > > > Downloaded tarball for kernel release 5.5.4, and I cannot compile
> > > > tools/testing/selftests/bpf/ with latest LLVM release version 9.
> > >
[...]
> > > And has llvm 9 always worked here?
> >
> > Yes, llvm-9 used to work for tools/testing/selftests/bpf/.
>
> As of when?

Kernel v5.4 works when compiling BPF-selftests with LLVM 9.0.1.

--
Best regards,
Jesper Dangaard Brouer
MSc.CS, Principal Kernel Engineer at Red Hat
LinkedIn: http://www.linkedin.com/in/brouer