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Subject[patch V2 11/11] x66/vdso: Add CLOCK_TAI support
With the storage array in place it's now trivial to support CLOCK_TAI in
the vdso. Extend the base time storage array and add the update code.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---

V2: Remove the masking trick

arch/x86/entry/vsyscall/vsyscall_gtod.c | 4 ++++
arch/x86/include/asm/vgtod.h | 4 ++--
2 files changed, 6 insertions(+), 2 deletions(-)

--- a/arch/x86/entry/vsyscall/vsyscall_gtod.c
+++ b/arch/x86/entry/vsyscall/vsyscall_gtod.c
@@ -51,6 +51,10 @@ void update_vsyscall(struct timekeeper *
base->sec = tk->xtime_sec;
base->nsec = tk->tkr_mono.xtime_nsec;

+ base = &vdata->basetime[CLOCK_TAI];
+ base->sec = tk->xtime_sec + (s64)tk->tai_offset;
+ base->nsec = tk->tkr_mono.xtime_nsec;
+
base = &vdata->basetime[CLOCK_MONOTONIC];
base->sec = tk->xtime_sec + tk->wall_to_monotonic.tv_sec;
nsec = tk->tkr_mono.xtime_nsec;
--- a/arch/x86/include/asm/vgtod.h
+++ b/arch/x86/include/asm/vgtod.h
@@ -18,8 +18,8 @@ struct vgtod_ts {
u64 nsec;
};

-#define VGTOD_BASES (CLOCK_MONOTONIC_COARSE + 1)
-#define VGTOD_HRES (BIT(CLOCK_REALTIME) | BIT(CLOCK_MONOTONIC))
+#define VGTOD_BASES (CLOCK_TAI + 1)
+#define VGTOD_HRES (BIT(CLOCK_REALTIME) | BIT(CLOCK_MONOTONIC) | BIT(CLOCK_TAI))
#define VGTOD_COARSE (BIT(CLOCK_REALTIME_COARSE) | BIT(CLOCK_MONOTONIC_COARSE))

/*

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