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| author | Arnd Bergmann <arnd@arndb.de> | 2020-09-24 15:21:43 +0200 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2020-10-30 21:57:04 +0100 |
| commit | b3550164a19d62e515af6cacb5a31f0b2b3f9501 (patch) | |
| tree | 237ecf1236ea097d572c1021d704933def5bbaeb /kernel/time/Kconfig | |
| parent | timekeeping: remove arch_gettimeoffset (diff) | |
| download | linux-b3550164a19d62e515af6cacb5a31f0b2b3f9501.tar.xz linux-b3550164a19d62e515af6cacb5a31f0b2b3f9501.zip | |
timekeeping: add CONFIG_LEGACY_TIMER_TICK
All platforms that currently do not use generic clockevents roughly call
the same set of functions in their timer interrupts: xtime_update(),
update_process_times() and profile_tick(), sometimes in a different
sequence.
Add a helper function that performs all three of them, to make the
callers more uniform and simplify the interface.
Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'kernel/time/Kconfig')
| -rw-r--r-- | kernel/time/Kconfig | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/kernel/time/Kconfig b/kernel/time/Kconfig index 51d298ccbe05..c6867f29d279 100644 --- a/kernel/time/Kconfig +++ b/kernel/time/Kconfig @@ -57,6 +57,13 @@ config POSIX_CPU_TIMERS_TASK_WORK bool default y if POSIX_TIMERS && HAVE_POSIX_CPU_TIMERS_TASK_WORK +config LEGACY_TIMER_TICK + bool + help + The legacy timer tick helper is used by platforms that + lack support for the generic clockevent framework. + New platforms should use generic clockevents instead. + if GENERIC_CLOCKEVENTS menu "Timers subsystem" |