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| author | Arnd Bergmann <arnd@arndb.de> | 2015-11-25 16:22:25 +0100 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2015-12-06 21:17:17 -0500 |
| commit | 03927c8acb63100046260711c06ba28b6b5936fb (patch) | |
| tree | a9d112dd05a9baeb26500dcb085be2ed313b2d5c /fs/coredump.c | |
| parent | 0125f504ed320826a78b43d636de957d703465a8 (diff) | |
| download | lwn-03927c8acb63100046260711c06ba28b6b5936fb.tar.gz lwn-03927c8acb63100046260711c06ba28b6b5936fb.zip | |
coredump: Use 64bit time for unix time of coredump
struct timeval on 32-bit systems will have its tv_sec
value overflow in year 2038 and beyond.
Use a 64 bit value to print time of the coredump in seconds.
ktime_get_real_seconds is chosen here for efficiency reasons.
Suggested by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Tina Ruchandani <ruchandani.tina@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/coredump.c')
| -rw-r--r-- | fs/coredump.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/fs/coredump.c b/fs/coredump.c index 1777331eee76..b3c153ca435d 100644 --- a/fs/coredump.c +++ b/fs/coredump.c @@ -32,6 +32,7 @@ #include <linux/pipe_fs_i.h> #include <linux/oom.h> #include <linux/compat.h> +#include <linux/timekeeping.h> #include <asm/uaccess.h> #include <asm/mmu_context.h> @@ -232,9 +233,10 @@ static int format_corename(struct core_name *cn, struct coredump_params *cprm) break; /* UNIX time of coredump */ case 't': { - struct timeval tv; - do_gettimeofday(&tv); - err = cn_printf(cn, "%lu", tv.tv_sec); + time64_t time; + + time = ktime_get_real_seconds(); + err = cn_printf(cn, "%lld", time); break; } /* hostname */ |