Re: [PATCH V9 08/21] csky: Process management and Signal

From: Arnd Bergmann
Date: Wed Oct 17 2018 - 11:11:19 EST

On Tue, Oct 16, 2018 at 5:01 AM Guo Ren <ren_guo@xxxxxxxxx> wrote:
> This patch adds files related to task_switch, sigcontext, signal,
> fpu context switch.
> Signed-off-by: Guo Ren <ren_guo@xxxxxxxxx>
> Cc: Arnd Bergmann <arnd@xxxxxxxx>
> ---
> 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?