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? Arnd