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

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Message-ID: <CAJwJo6YZEN75XB8YaMS26rbFAR0x77B-gfLKv37ib_eB_OLMBg@mail.gmail.com>
Date:   Wed, 31 Aug 2016 17:07:14 +0300
From:   Dmitry Safonov <0x7f454c46@...il.com>
To:     Dmitry Safonov <dsafonov@...tuozzo.com>,
        Oleg Nesterov <oleg@...hat.com>
Cc:     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

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?

2016-08-31 16:59 GMT+03:00 Dmitry Safonov <dsafonov@...tuozzo.com>:
> Introduce new flags that defines which ABI to use on creating sigframe.
> Those flags kernel will set according to sigaction syscall ABI,
> which set handler for the signal being delivered.
>
> So that will drop the dependency on TIF_IA32/TIF_X32 flags on signal deliver.
> Those flags will be used only under CONFIG_COMPAT.
>
> Similar way ARM uses sa_flags to differ in which mode deliver signal
> for 26-bit applications (look at SA_THIRYTWO).
>
> Cc: Andy Lutomirski <luto@...nel.org>
> Cc: Oleg Nesterov <oleg@...hat.com>
> Cc: Thomas Gleixner <tglx@...utronix.de>
> Cc: "H. Peter Anvin" <hpa@...or.com>
> Cc: Ingo Molnar <mingo@...hat.com>
> Cc: linux-mm@...ck.org
> Cc: x86@...nel.org
> Cc: Cyrill Gorcunov <gorcunov@...nvz.org>
> Cc: Pavel Emelyanov <xemul@...tuozzo.com>
> Signed-off-by: Dmitry Safonov <dsafonov@...tuozzo.com>
> Reviewed-by: Andy Lutomirski <luto@...nel.org>

Thanks,
             Dmitry