netdev - Re: [PATCH v6 20/36] nds32: Signal handling support

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Date:   Wed, 24 Jan 2018 12:13:45 +0100
From:   Arnd Bergmann <arnd@...db.de>
To:     Vincent Chen <deanbo422@...il.com>
Cc:     Greentime Hu <green.hu@...il.com>,
        Greentime <greentime@...estech.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-arch <linux-arch@...r.kernel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Jason Cooper <jason@...edaemon.net>,
        Marc Zyngier <marc.zyngier@....com>,
        Rob Herring <robh+dt@...nel.org>,
        Networking <netdev@...r.kernel.org>,
        DTML <devicetree@...r.kernel.org>,
        Al Viro <viro@...iv.linux.org.uk>,
        David Howells <dhowells@...hat.com>,
        Will Deacon <will.deacon@....com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        linux-serial@...r.kernel.org,
        Geert Uytterhoeven <geert.uytterhoeven@...il.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Mark Rutland <mark.rutland@....com>, Greg KH <greg@...ah.com>,
        Guo Ren <ren_guo@...ky.com>,
        Randy Dunlap <rdunlap@...radead.org>,
        David Miller <davem@...emloft.net>,
        Jonas Bonn <jonas@...thpole.se>,
        Stefan Kristiansson <stefan.kristiansson@...nalahti.fi>,
        Stafford Horne <shorne@...il.com>,
        Vincent Chen <vincentc@...estech.com>
Subject: Re: [PATCH v6 20/36] nds32: Signal handling support

On Wed, Jan 24, 2018 at 1:56 AM, Vincent Chen <deanbo422@...il.com> wrote:
> 2018-01-18 18:30 GMT+08:00 Arnd Bergmann <arnd@...db.de>:
>> On Mon, Jan 15, 2018 at 6:53 AM, Greentime Hu <green.hu@...il.com> wrote:
>>> From: Greentime Hu <greentime@...estech.com>
>>>
>>> This patch adds support for signal handling.
>>>
>>> Signed-off-by: Vincent Chen <vincentc@...estech.com>
>>> Signed-off-by: Greentime Hu <greentime@...estech.com>
>>
>> I never feel qualified enough to properly review signal handling code, so
>> no Ack from me for this code even though I don't see anything wrong with it.
>> Hopefully someone else can give an Ack after looking more closely.
>>
>
> Dear Arnd:
>
> We'd be glad to improve signal handling code to meet your requirement.
> Could you
> tell us which part we need to refine or which implementation is good
> for us to refer?

No, as I said, the problem is on my side, I just don't understand enough of it.
I would assume that the arm64 and risc-v implementations are the most
thoroughly reviewed, but haven't looked at those in enough detail either.
If your code does something that risc-v doesn't do, try to understand whether
there should be a difference or not.

      Arnd