[PATCH v2 03/28] kernel: Add International Atomic Time support
From: Vincenzo Frascino <vincenzo.frascino@arm.com>
Date: 2018-11-29 17:12:35
Also in:
linux-arch
Subsystem:
generic vdso library, the rest · Maintainers:
Andy Lutomirski, Thomas Gleixner, Vincenzo Frascino, Linus Torvalds
Currently, datapage.h has no support for CLOCK_TAI. CLOCK_TAI is similar to CLOCK_REALTIME, but uses the International Atomic Time (TAI) reference instead of UTC to avoid jumping on leap second updates. This patch adds CLOCK_TAI (tai_sec) support to datapage.h. Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com> --- include/vdso/datapage.h | 1 + 1 file changed, 1 insertion(+)
diff --git a/include/vdso/datapage.h b/include/vdso/datapage.h
index 52189c21d422..d50a108afaed 100644
--- a/include/vdso/datapage.h
+++ b/include/vdso/datapage.h@@ -33,6 +33,7 @@ struct vdso_data { __u64 wtm_clock_sec; /* Wall to monotonic time */ __u64 wtm_clock_nsec; __u64 btm_nsec; /* Monotonic to boot time */ + __u64 tai_sec; /* International Atomic Time */ __u32 tb_seq_count; /* Timebase sequence counter */ __u32 cs_mono_mult; /* NTP-adjusted clocksource multiplier */ __u32 cs_shift; /* Clocksource shift (mono = raw) */
--
2.19.2
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