Re: [PATCH v2 2/4] kdb: Switch to use %ptTs

From: Daniel Thompson
Date: Thu May 13 2021 - 05:31:42 EST


On Tue, May 11, 2021 at 06:39:56PM +0300, Andy Shevchenko wrote:
> Use %ptTs instead of open-coded variant to print contents
> of time64_t type in human readable form.
>
> Cc: Jason Wessel <jason.wessel@xxxxxxxxxxxxx>
> Cc: Daniel Thompson <daniel.thompson@xxxxxxxxxx>
> Cc: kgdb-bugreport@xxxxxxxxxxxxxxxxxxxxx
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> Reviewed-by: Petr Mladek <pmladek@xxxxxxxx>
> Reviewed-by: Douglas Anderson <dianders@xxxxxxxxxxxx>

Reviewed-by: Daniel Thompson <daniel.thompson@xxxxxxxxxx>

Any clue what route this will take into the kernel? I'm certainly happy
for someone else to take the kdb bits alongside the vsprintf stuff
(so here's an acked-by too in case they are fussy about that sort of
thing ;-) ):
Acked-by: Daniel Thompson <daniel.thompson@xxxxxxxxxx>


Daniel.

> ---
> v2: collected tags
> kernel/debug/kdb/kdb_main.c | 9 +--------
> 1 file changed, 1 insertion(+), 8 deletions(-)
>
> diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c
> index 1baa96a2ecb8..622410c45da1 100644
> --- a/kernel/debug/kdb/kdb_main.c
> +++ b/kernel/debug/kdb/kdb_main.c
> @@ -2488,7 +2488,6 @@ static void kdb_sysinfo(struct sysinfo *val)
> static int kdb_summary(int argc, const char **argv)
> {
> time64_t now;
> - struct tm tm;
> struct sysinfo val;
>
> if (argc)
> @@ -2502,13 +2501,7 @@ static int kdb_summary(int argc, const char **argv)
> kdb_printf("domainname %s\n", init_uts_ns.name.domainname);
>
> now = __ktime_get_real_seconds();
> - time64_to_tm(now, 0, &tm);
> - kdb_printf("date %04ld-%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);
> -
> + kdb_printf("date %ptTs tz_minuteswest %d\n", &now, sys_tz.tz_minuteswest);
> kdb_sysinfo(&val);
> kdb_printf("uptime ");
> if (val.uptime > (24*60*60)) {
> --
> 2.30.2
>