Re: Does vdso_install attempt to re-compile objects under root privilege?

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To: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Subject: Re: Does vdso_install attempt to re-compile objects under root privilege?
From: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Date: Wed, 24 Apr 2019 08:57:38 +0200
Cc: Andy Lutomirski <luto@xxxxxxxxxx>, Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>, Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>, linux-arch <linux-arch@xxxxxxxxxxxxxxx>, X86 ML <x86@xxxxxxxxxx>, linux-arm-kernel <linux-arm-kernel@xxxxxxxxxxxxxxxxxxx>
In-reply-to: <CAHk-=wiV2gLQkp6JFQYewL1uzgWnwEK9fKWP3AfZbcu2Lv_GrQ@mail.gmail.com>
References: <CAK7LNAQwHRJL=3yD_7P2mMSVnwZbayww+dHC22+v4oTpMZv58w@mail.gmail.com> <CALCETrVSM0vrMVr2y0ECAQ=tNGvBs=im2Kxongq-jvdzUBevbg@mail.gmail.com> <CAHk-=wiV2gLQkp6JFQYewL1uzgWnwEK9fKWP3AfZbcu2Lv_GrQ@mail.gmail.com>
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On Tue, Apr 23, 2019 at 04:38:35PM -0700, Linus Torvalds wrote:

> So anybody who builds the kernel as root is doing something seriously
> wrong, in my opinion.

Some of my test boxes don't have a user account... if they fall over,
I'll just re-image them.

So I've been doing it wrong?

References:
- Does vdso_install attempt to re-compile objects under root privilege?
  - From: Masahiro Yamada
- Re: Does vdso_install attempt to re-compile objects under root privilege?
  - From: Andy Lutomirski
- Re: Does vdso_install attempt to re-compile objects under root privilege?
  - From: Linus Torvalds

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