Re: [PATCH v1 24/25] kdb: Switch to use %pt

From: Arnd Bergmann
Date: Fri Oct 13 2017 - 03:42:52 EST


On Thu, Oct 12, 2017 at 7:05 PM, Andy Shevchenko
<andriy.shevchenko@xxxxxxxxxxxxxxx> wrote:
> On Thu, 2017-10-12 at 15:31 +0200, Arnd Bergmann wrote:
>> On Thu, Jun 8, 2017 at 3:48 PM, Andy Shevchenko
>> <andriy.shevchenko@xxxxxxxxxxxxxxx> wrote:
>>
>> > diff --git a/kernel/debug/kdb/kdb_main.c
>> > b/kernel/debug/kdb/kdb_main.c
>> > index c8146d53ca67..2a6f12be79d8 100644
>> > --- a/kernel/debug/kdb/kdb_main.c
>> > +++ b/kernel/debug/kdb/kdb_main.c
>> > @@ -2556,12 +2556,7 @@ static int kdb_summary(int argc, const char
>> > **argv)
>> >
>> > now = __current_kernel_time();
>> > kdb_gmtime(&now, &tm);
>> > - kdb_printf("date %04d-%02d-%02d %02d:%02d:%02d "
>> > - "tz_minuteswest %d\n",
>> > - 1900+tm.tm_year, tm.tm_mon+1, tm.tm_mday,
>> > - tm.tm_hour, tm.tm_min, tm.tm_sec,
>> > - sys_tz.tz_minuteswest);
>> > -
>>
>> I just experimented with a similar change and noticed your version.
>>
>> You forgot to remove the kdb_gmtime() function that is now completely
>> unneeded. My patch takes care of that now.
>
> So, are you going to substitute entire series by your variant?
>
> What did you choose to be format for the %p extension?

My patch doesn't touch printf at all, instead it removes the
__current_kernel_time() function, so it's unrelated but happens
to change the same lines here. Since kdb_gmtime() doesn't
work with 64-bit time_t, I replaced it using the generic
time64_to_tm() helper and removed it here.

Arnd