diff options
Diffstat (limited to 'arch/openrisc/kernel/traps.c')
| -rw-r--r-- | arch/openrisc/kernel/traps.c | 48 |
1 files changed, 19 insertions, 29 deletions
diff --git a/arch/openrisc/kernel/traps.c b/arch/openrisc/kernel/traps.c index 90554a555..9370888c9 100644 --- a/arch/openrisc/kernel/traps.c +++ b/arch/openrisc/kernel/traps.c @@ -180,39 +180,29 @@ asmlinkage void unhandled_exception(struct pt_regs *regs, int ea, int vector) asmlinkage void do_fpe_trap(struct pt_regs *regs, unsigned long address) { - if (user_mode(regs)) { - int code = FPE_FLTUNK; - unsigned long fpcsr = regs->fpcsr; - - if (fpcsr & SPR_FPCSR_IVF) - code = FPE_FLTINV; - else if (fpcsr & SPR_FPCSR_OVF) - code = FPE_FLTOVF; - else if (fpcsr & SPR_FPCSR_UNF) - code = FPE_FLTUND; - else if (fpcsr & SPR_FPCSR_DZF) - code = FPE_FLTDIV; - else if (fpcsr & SPR_FPCSR_IXF) - code = FPE_FLTRES; - - /* Clear all flags */ - regs->fpcsr &= ~SPR_FPCSR_ALLF; - - force_sig_fault(SIGFPE, code, (void __user *)regs->pc); - } else { - pr_emerg("KERNEL: Illegal fpe exception 0x%.8lx\n", regs->pc); - die("Die:", regs, SIGFPE); - } + int code = FPE_FLTUNK; + unsigned long fpcsr = regs->fpcsr; + + if (fpcsr & SPR_FPCSR_IVF) + code = FPE_FLTINV; + else if (fpcsr & SPR_FPCSR_OVF) + code = FPE_FLTOVF; + else if (fpcsr & SPR_FPCSR_UNF) + code = FPE_FLTUND; + else if (fpcsr & SPR_FPCSR_DZF) + code = FPE_FLTDIV; + else if (fpcsr & SPR_FPCSR_IXF) + code = FPE_FLTRES; + + /* Clear all flags */ + regs->fpcsr &= ~SPR_FPCSR_ALLF; + + force_sig_fault(SIGFPE, code, (void __user *)regs->pc); } asmlinkage void do_trap(struct pt_regs *regs, unsigned long address) { - if (user_mode(regs)) { - force_sig_fault(SIGTRAP, TRAP_BRKPT, (void __user *)regs->pc); - } else { - pr_emerg("KERNEL: Illegal trap exception 0x%.8lx\n", regs->pc); - die("Die:", regs, SIGILL); - } + force_sig_fault(SIGTRAP, TRAP_BRKPT, (void __user *)regs->pc); } asmlinkage void do_unaligned_access(struct pt_regs *regs, unsigned long address) |