diff options
Diffstat (limited to 'arch/sh/math-emu/math.c')
| -rw-r--r-- | arch/sh/math-emu/math.c | 22 |
1 files changed, 3 insertions, 19 deletions
diff --git a/arch/sh/math-emu/math.c b/arch/sh/math-emu/math.c index 1fcdb122097..04aa55fa8c7 100644 --- a/arch/sh/math-emu/math.c +++ b/arch/sh/math-emu/math.c @@ -12,8 +12,8 @@ #include <linux/types.h> #include <linux/sched.h> #include <linux/signal.h> +#include <linux/perf_event.h> -#include <asm/system.h> #include <asm/uaccess.h> #include <asm/processor.h> #include <asm/io.h> @@ -574,24 +574,6 @@ static int ieee_fpe_handler(struct pt_regs *regs) return 0; } -asmlinkage void do_fpu_error(unsigned long r4, unsigned long r5, - unsigned long r6, unsigned long r7, - struct pt_regs regs) -{ - struct task_struct *tsk = current; - siginfo_t info; - - if (ieee_fpe_handler (®s)) - return; - - regs.pc += 2; - info.si_signo = SIGFPE; - info.si_errno = 0; - info.si_code = FPE_FLTINV; - info.si_addr = (void __user *)regs.pc; - force_sig_info(SIGFPE, &info, tsk); -} - /** * fpu_init - Initialize FPU registers * @fpu: Pointer to software emulated FPU registers. @@ -619,6 +601,8 @@ int do_fpu_inst(unsigned short inst, struct pt_regs *regs) struct task_struct *tsk = current; struct sh_fpu_soft_struct *fpu = &(tsk->thread.xstate->softfpu); + perf_sw_event(PERF_COUNT_SW_EMULATION_FAULTS, 1, regs, 0); + if (!(task_thread_info(tsk)->status & TS_USEDFPU)) { /* initialize once. */ fpu_init(fpu); |