Re: [PATCH V11 4/5] vsprintf: add printk specifier %px

[Geert Uytterhoeven]

Hi Linus,

On Wed, Dec 6, 2017 at 2:59 AM, Linus Torvalds
<torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
> On Tue, Dec 5, 2017 at 5:36 PM, Sergey Senozhatsky
> <sergey.senozhatsky.work@xxxxxxxxx> wrote:
>> I see some %p-s being used in _supposedly_ important output,
>> like arch/x86/mm/fault.c
>>
>> show_fault_oops(struct pt_regs *regs, unsigned long error_code,
>>                 unsigned long address)
>> ...
>>         printk(KERN_CONT " at %p\n", (void *) address);
>>         printk(KERN_ALERT "IP: %pS\n", (void *)regs->ip);
>
> So %pS isn't %p, and shows the symbolic name.

If the symbolic name is available.
Else it prints the non-hashed pointer value (FTR).

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