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Message-ID: <CAK8P3a31sVAMCPXLqyqMpvj-gsxOmuf2qL0bT5crDQo0Wcg__g@mail.gmail.com>
Date: Wed, 17 Oct 2018 17:11:00 +0200
From: Arnd Bergmann <arnd@...db.de>
To: Guo Ren <ren_guo@...ky.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
Daniel Lezcano <daniel.lezcano@...aro.org>,
David Miller <davem@...emloft.net>,
gregkh <gregkh@...uxfoundation.org>,
Christoph Hellwig <hch@...radead.org>,
Marc Zyngier <marc.zyngier@....com>,
Mark Rutland <mark.rutland@....com>,
Peter Zijlstra <peterz@...radead.org>,
Rob Herring <robh@...nel.org>,
Thomas Gleixner <tglx@...utronix.de>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
linux-arch <linux-arch@...r.kernel.org>,
DTML <devicetree@...r.kernel.org>,
Rob Herring <robh+dt@...nel.org>, c-sky_gcc_upstream@...ky.com
Subject: Re: [PATCH V9 08/21] csky: Process management and Signal
On Tue, Oct 16, 2018 at 5:01 AM Guo Ren <ren_guo@...ky.com> wrote:
>
> This patch adds files related to task_switch, sigcontext, signal,
> fpu context switch.
>
> Signed-off-by: Guo Ren <ren_guo@...ky.com>
> Cc: Arnd Bergmann <arnd@...db.de>
> ---
> Changelog:
> - abiv2/fpu.c: Userspace should never be sent NSIGXXX as a si_code.
> Use FPE_FLTUNK instead.
> - abiv2/fpu.c: Use force_sig_fault instead.
I'm hesitant to provide a Reviewed-by: tag for this one, as I don't
understand the signal handling enough myself, and it's something
that should be reviewed properly because of the ABI implications.
Maybe someone else can have a closer look at this?
Arnd
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