[PATCH 3/9] arm64: Introduce arm64_force_sig_info and hook up in arm64_notify_die

[Mark Rutland]

On Thu, Feb 22, 2018 at 02:00:51PM +0000, Will Deacon wrote:
> +void arm64_force_sig_info(struct siginfo *info, const char *str,
> +			  struct task_struct *tsk)
> +{
> +	unsigned int esr = tsk->thread.fault_code;
> +	struct pt_regs *regs = task_pt_regs(tsk);
> +
> +	if (!unhandled_signal(tsk, info->si_signo))
> +		goto send_sig;
> +
> +	if (!show_unhandled_signals_ratelimited())
> +		goto send_sig;
> +
> +	pr_info("%s[%d]: unhandled exception: ", tsk->comm, task_pid_nr(tsk));
> +	if (esr)
> +		pr_cont("%s, ESR 0x%03x, ", esr_get_class_string(esr), esr);

Can we make that 0x%08x please? ESR_ELx.EC occupies bits 31-26...

I guess this was copied from __do_user_fault, and it's odd there, as
wherever that's called the EC is non-zero.

Thanks,
Mark.