linux-kernel - Re: [PATCH 4/6] arch: x86: Expose psABI on thread

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Message-ID: <CALCETrV=UKzsXqjctjMQL=a=FJtgrWC1MbCH_EizcNgowerWpg@mail.gmail.com>
Date:   Tue, 28 Jul 2020 20:44:22 -0700
From:   Andy Lutomirski <luto@...nel.org>
To:     Gabriel Krisman Bertazi <krisman@...labora.com>
Cc:     Andrew Lutomirski <luto@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Kees Cook <keescook@...omium.org>, X86 ML <x86@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>, kernel@...labora.com
Subject: Re: [PATCH 4/6] arch: x86: Expose psABI on thread_info

On Tue, Jul 28, 2020 at 1:22 PM Gabriel Krisman Bertazi
<krisman@...labora.com> wrote:
>
> Expose psABI in thread_info, in preparation for the TIF_IA32 and
> TIF_X32 flags removal.

NAK.  Linux threads don't have a user ABI like this.  See my other comments :)

--Andy