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| author | Thomas Weißschuh <thomas.weissschuh@linutronix.de> | 2025-07-01 11:58:05 +0300 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2025-07-18 14:45:33 +0300 |
| commit | 380b84e168e57c54d0a9e053a5558fddc43f0c1a (patch) | |
| tree | a6c5e8b5cb747d13716de16d75636ff171d8bd8a /include/linux | |
| parent | 9b7fc3f14576c268f62fe0b882fac5e61239b659 (diff) | |
| download | linux-380b84e168e57c54d0a9e053a5558fddc43f0c1a.tar.xz | |
vdso/vsyscall: Update auxiliary clock data in the datapage
Expose the auxiliary clock data so it can be read from the vDSO.
Architectures not using the generic vDSO time framework,
namely SPARC64, are not supported.
Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20250701-vdso-auxclock-v1-11-df7d9f87b9b8@linutronix.de
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/timekeeper_internal.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/timekeeper_internal.h b/include/linux/timekeeper_internal.h index ca79938b62f3..c27aac67cb3f 100644 --- a/include/linux/timekeeper_internal.h +++ b/include/linux/timekeeper_internal.h @@ -190,4 +190,10 @@ static inline void update_vsyscall_tz(void) } #endif +#if defined(CONFIG_GENERIC_GETTIMEOFDAY) && defined(CONFIG_POSIX_AUX_CLOCKS) +extern void vdso_time_update_aux(struct timekeeper *tk); +#else +static inline void vdso_time_update_aux(struct timekeeper *tk) { } +#endif + #endif /* _LINUX_TIMEKEEPER_INTERNAL_H */ |