linux-kernel - Re: [PATCH v2 4/4] x86: Disable laoding 32bit processes if ia32

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Message-ID: <CAMzpN2iUfp_DFUHz30EWOKOo-81A6AhbC1dt7im4hxg8UcAvaw@mail.gmail.com>
Date:   Fri, 9 Jun 2023 12:45:38 -0400
From:   Brian Gerst <brgerst@...il.com>
To:     Nikolay Borisov <nik.borisov@...e.com>
Cc:     x86@...nel.org, linux-kernel@...r.kernel.org, mhocko@...e.com,
        jslaby@...e.cz
Subject: Re: [PATCH v2 4/4] x86: Disable laoding 32bit processes if
 ia32_disabled is true

On Fri, Jun 9, 2023 at 8:07 AM Nikolay Borisov <nik.borisov@...e.com> wrote:
>
> In addition to disabling 32bit syscall interface let's also disable the
> ability to load 32bit compat processes.
>
> Signed-off-by: Nikolay Borisov <nik.borisov@...e.com>

This patch needs to come beforethe patch that disables 32-bit
syscalls.  It makes no sense to be able to load a 32-bit executable
that cannot make syscalls.

Brian Gerst