linux-kernel - Crashes with KPTI and -rc6

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Message-ID: <5b0de7f2-0753-dbfc-e6d3-a5bac3a02a3d@redhat.com>
Date:   Wed, 3 Jan 2018 08:35:29 -0800
From:   Laura Abbott <labbott@...hat.com>
To:     X86 ML <x86@...nel.org>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux-MM <linux-mm@...ck.org>
Subject: Crashes with KPTI and -rc6

Hi,

Fedora got a report via IRC of a double fault with KPTI
https://paste.fedoraproject.org/paste/SL~of04ZExXP6AN2gcJi7A

This is on -rc6 . I saw the one fix posted already which
I'll pull in but I wanted to report this as a heads up
in case there are other issues.

Full tree and configs are at
https://git.kernel.org/pub/scm/linux/kernel/git/jwboyer/fedora.git/log/?h=rawhide

Thanks,
Laura