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Message-ID: <CA+55aFx=pwEJQHhab3gW6+qdom=ccFoWoK-aZokmqtPxNqTd8g@mail.gmail.com>
Date: Mon, 16 Apr 2018 11:04:09 -0700
From: Linus Torvalds <torvalds@...ux-foundation.org>
To: Dave Hansen <dave.hansen@...ux.intel.com>
Cc: Shuah Khan <shuahkh@....samsung.com>,
Andy Lutomirski <luto@...nel.org>,
Ingo Molnar <mingo@...nel.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
"open list:KERNEL SELFTEST FRAMEWORK"
<linux-kselftest@...r.kernel.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
"the arch/x86 maintainers" <x86@...nel.org>
Subject: Re: Linux 4.17-rc1 - kernel paging errors running x86 selftests
On Mon, Apr 16, 2018 at 10:58 AM, Dave Hansen
<dave.hansen@...ux.intel.com> wrote:
>
> Joerg just found and fixed something that would be poked by the x86
> selftests:
>
> https://lkml.org/lkml/2018/4/16/230
Yup.
And that silly bug explains the all-ones PTE.
I was going through the bisection, with just a couple more rounds to
go, but I guess I don't even need it.
Linus
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