linux-kernel - Re: [PATCHv4 6/6] x86/signal: add SA_{X32,IA32}_ABI sa

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Message-ID: <20160901122744.GA7438@redhat.com>
Date:   Thu, 1 Sep 2016 14:27:44 +0200
From:   Oleg Nesterov <oleg@...hat.com>
To:     Dmitry Safonov <0x7f454c46@...il.com>
Cc:     Dmitry Safonov <dsafonov@...tuozzo.com>,
        linux-kernel@...r.kernel.org, Andy Lutomirski <luto@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        "H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...hat.com>,
        linux-mm@...ck.org, X86 ML <x86@...nel.org>,
        Cyrill Gorcunov <gorcunov@...nvz.org>,
        Pavel Emelyanov <xemul@...tuozzo.com>
Subject: Re: [PATCHv4 6/6] x86/signal: add SA_{X32,IA32}_ABI sa_flags

On 08/31, Dmitry Safonov wrote:
>
> Hi Oleg,
> can I have your acks or reviewed-by tags for 4-5-6 patches in the series,
> or there is something left to fix?

Well yes... Although let me repeat, I am not sure I personally like
the very idea of 3/6 and 6/6. But as I already said I do not feel I
understand the problem space enough, so I won't argue.

However, let me ask again. Did you consider another option? Why criu
can't exec a dummy 32-bit binary before anything else?

Oleg.