Re: [PATCH V6 08/33] csky: Process management and Signal

2018-09-29 Thread Guo Ren
On Thu, Sep 27, 2018 at 09:50:43PM +0200, Eric W. Biederman wrote: > Guo Ren writes: > > > --- /dev/null > > +++ b/arch/csky/abiv2/fpu.c > > +void fpu_fpe(struct pt_regs * regs) > > +{ > > + int sig; > > + unsigned int fesr; > > + siginfo_t info; > > + > > + fesr = mfcr("cr<2, 2>"); > > +

Re: [PATCH V6 08/33] csky: Process management and Signal

2018-09-28 Thread Guo Ren
On Thu, Sep 27, 2018 at 09:50:43PM +0200, Eric W. Biederman wrote: > Guo Ren writes: > > > --- /dev/null > > +++ b/arch/csky/abiv2/fpu.c > > +void fpu_fpe(struct pt_regs * regs) > > +{ > > + int sig; > > + unsigned int fesr; > > + siginfo_t info; > > + > > + fesr = mfcr("cr<2, 2>"); > > +

Re: [PATCH V6 08/33] csky: Process management and Signal

2018-09-27 Thread Eric W. Biederman
Guo Ren writes: > --- /dev/null > +++ b/arch/csky/abiv2/fpu.c > +void fpu_fpe(struct pt_regs * regs) > +{ > + int sig; > + unsigned int fesr; > + siginfo_t info; > + > + fesr = mfcr("cr<2, 2>"); > + > + if(fesr & FPE_ILLE){ > + info.si_code = ILL_ILLOPC; > +