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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2018-10-23 21:07:25 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-10-23 21:07:25 +0300 |
| commit | 034bda1cd5abbe7b170ce76b618768d164030bbd (patch) | |
| tree | 608cd989121f2657194e16fc0c746e939e91000c /kernel | |
| parent | d82924c3b8d0607094b94fab290a33c5ad7d586c (diff) | |
| parent | 99c19e6a8fe4a95fa0dac191207a1d40461b1604 (diff) | |
| download | linux-034bda1cd5abbe7b170ce76b618768d164030bbd.tar.xz | |
Merge branch 'x86-vdso-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 vdso updates from Ingo Molnar:
"Two main changes:
- Cleanups, simplifications and CLOCK_TAI support (Thomas Gleixner)
- Improve code generation (Andy Lutomirski)"
* 'x86-vdso-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/vdso: Rearrange do_hres() to improve code generation
x86/vdso: Document vgtod_ts better
x86/vdso: Remove "memory" clobbers in the vDSO syscall fallbacks
x66/vdso: Add CLOCK_TAI support
x86/vdso: Move cycle_last handling into the caller
x86/vdso: Simplify the invalid vclock case
x86/vdso: Replace the clockid switch case
x86/vdso: Collapse coarse functions
x86/vdso: Collapse high resolution functions
x86/vdso: Introduce and use vgtod_ts
x86/vdso: Use unsigned int consistently for vsyscall_gtod_data:: Seq
x86/vdso: Enforce 64bit clocksource
x86/time: Implement clocksource_arch_init()
clocksource: Provide clocksource_arch_init()
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/time/Kconfig | 4 | ||||
| -rw-r--r-- | kernel/time/clocksource.c | 2 |
2 files changed, 6 insertions, 0 deletions
diff --git a/kernel/time/Kconfig b/kernel/time/Kconfig index 78eabc41eaa6..58b981f4bb5d 100644 --- a/kernel/time/Kconfig +++ b/kernel/time/Kconfig @@ -12,6 +12,10 @@ config CLOCKSOURCE_WATCHDOG config ARCH_CLOCKSOURCE_DATA bool +# Architecture has extra clocksource init called from registration +config ARCH_CLOCKSOURCE_INIT + bool + # Clocksources require validation of the clocksource against the last # cycle update - x86/TSC misfeature config CLOCKSOURCE_VALIDATE_LAST_CYCLE diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c index 0e6e97a01942..ffe081623aec 100644 --- a/kernel/time/clocksource.c +++ b/kernel/time/clocksource.c @@ -937,6 +937,8 @@ int __clocksource_register_scale(struct clocksource *cs, u32 scale, u32 freq) { unsigned long flags; + clocksource_arch_init(cs); + /* Initialize mult/shift and max_idle_ns */ __clocksource_update_freq_scale(cs, scale, freq); |