Re: [PATCH 04/28] nios2: Exception handling

[Geert Uytterhoeven]

Hi Ley,

On Wed, Apr 23, 2014 at 4:47 AM, Ley Foon Tan <lftan@xxxxxxxxxx> wrote:
> On Tue, Apr 22, 2014 at 8:33 PM, Arnd Bergmann <arnd@xxxxxxxx> wrote:
>> On Friday 18 April 2014, Ley Foon Tan wrote:
>>> +static const struct file_operations misalign_fops = {
>>> +       .open           = proc_misaligned_open,
>>> +       .read           = seq_read,
>>> +       .llseek         = seq_lseek,
>>> +       .release        = single_release,
>>> +       .write          = proc_misaligned_write,
>>> +};
>>> +#endif /* CONFIG_PROC_FS */
>>
>> We really shouldn't be doing new architecture specific procfs files
>> any more. I suggest you drop this one for now, and add back the
>> functionality using perf or ftrace at a later point.
>
> Okay, will remove this.

MIPS and powerpc handle this through debugfs, cfr.
arch/mips/kernel/unaligned.c and arch/powerpc/kernel/traps.c.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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