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SubjectRe: CONFIG_PAGE_TABLE_ISOLATION=y on x86_64 causes gcc to segfault when building x86_32 binaries
Am Wed, 3 Jan 2018 19:52:04 +0100 (CET)
schrieb Thomas Gleixner <tglx@linutronix.de>:

> On Wed, 3 Jan 2018, Thomas Gleixner wrote:
>
> > On Wed, 3 Jan 2018, Lars Wendler wrote:
> > > Am Wed, 3 Jan 2018 13:05:38 +0100 (CET)
> > > schrieb Thomas Gleixner <tglx@linutronix.de>:
> > > > Also can you please try Linus v4.15-rc6 with PTI enabled so we
> > > > can see whether that's a backport issue or a general one?
> > >
> > > Same problem with 4.15-rc6. So I suppose that means it's a general
> > > issue.
> >
> > Just a shot in the dark as I just decoded another issue on a AMD
> > CPU. Can you please try the patch below?
>
> Ok. Found the real issue. This is a problem on AMD boxen.
>
> Fix below.
>
> Can Xen folks please have a look at that as well?
>
> Thanks,
>
> tglx

That indeed fixes the issue. Thank you!

Kind regards
Lars
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