The patch titled
Subject: kernel/crash_core.c: print timestamp using time64_t
has been added to the -mm tree. Its filename is
crash-print-timestamp-using-time64_t.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/crash-print-timestamp-using-time64_t.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/crash-print-timestamp-using-time64_t.patch
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------------------------------------------------------
From: Arnd Bergmann <arnd@xxxxxxxx>
Subject: kernel/crash_core.c: print timestamp using time64_t
The get_seconds() call returns a 32-bit timestamp on some architectures,
and will overflow in the future. The newer ktime_get_real_seconds()
always returns a 64-bit timestamp that does not suffer from this problem.
Link: http://lkml.kernel.org/r/20180618150329.941903-1-arnd@xxxxxxxx
Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Dave Young <dyoung@xxxxxxxxxx>
Cc: Xunlei Pang <xlpang@xxxxxxxxxx>
Cc: Baoquan He <bhe@xxxxxxxxxx>
Cc: "Kirill A. Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx>
Cc: Petr Tesarik <ptesarik@xxxxxxx>
Cc: Marc-Andr Lureau <marcandre.lureau@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/crash_core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN kernel/crash_core.c~crash-print-timestamp-using-time64_t kernel/crash_core.c
--- a/kernel/crash_core.c~crash-print-timestamp-using-time64_t
+++ a/kernel/crash_core.c
@@ -344,7 +344,7 @@ void crash_save_vmcoreinfo(void)
if (vmcoreinfo_data_safecopy)
vmcoreinfo_data = vmcoreinfo_data_safecopy;
- vmcoreinfo_append_str("CRASHTIME=%ld\n", get_seconds());
+ vmcoreinfo_append_str("CRASHTIME=%lld\n", ktime_get_real_seconds());
update_vmcoreinfo_note();
}
_
Patches currently in -mm which might be from arnd@xxxxxxxx are
crash-print-timestamp-using-time64_t.patch
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