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| author | Linus Torvalds <[email protected]> | 2019-07-15 00:17:34 +0000 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2019-07-15 00:17:34 +0000 |
| commit | f2772a0e4833d1af1901b6f1a38136fb71d1350c (patch) | |
| tree | 28bf6f0944d745e19947273022224ebc6b2d07c8 /arch/um/include/shared/timer-internal.h | |
| parent | Merge tag 'stream_open-5.3' of https://lab.nexedi.com/kirr/linux (diff) | |
| parent | um: fix build without CONFIG_UML_TIME_TRAVEL_SUPPORT (diff) | |
| download | kernel-f2772a0e4833d1af1901b6f1a38136fb71d1350c.tar.gz kernel-f2772a0e4833d1af1901b6f1a38136fb71d1350c.zip | |
Merge tag 'for-linus-5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml
Pull UML updates from Richard Weinberger:
- A new timer mode, time travel, for testing with UML
- Many bugixes/improvements for the serial line driver
- Various bugfixes
* tag 'for-linus-5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml:
um: fix build without CONFIG_UML_TIME_TRAVEL_SUPPORT
um: Fix kcov crash during startup
um: configs: Remove useless UEVENT_HELPER_PATH
um: Support time travel mode
um: Pass nsecs to os timer functions
um: Remove drivers/ssl.h
um: Don't garbage collect in deactivate_all_fds()
um: Silence lockdep complaint about mmap_sem
um: Remove locking in deactivate_all_fds()
um: Timer code cleanup
um: fix os_timer_one_shot()
um: Fix IRQ controller regression on console read
Diffstat (limited to 'arch/um/include/shared/timer-internal.h')
| -rw-r--r-- | arch/um/include/shared/timer-internal.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/arch/um/include/shared/timer-internal.h b/arch/um/include/shared/timer-internal.h index 03e6f217f807..8574338bf23b 100644 --- a/arch/um/include/shared/timer-internal.h +++ b/arch/um/include/shared/timer-internal.h @@ -10,4 +10,52 @@ #define TIMER_MULTIPLIER 256 #define TIMER_MIN_DELTA 500 +enum time_travel_mode { + TT_MODE_OFF, + TT_MODE_BASIC, + TT_MODE_INFCPU, +}; + +enum time_travel_timer_mode { + TT_TMR_DISABLED, + TT_TMR_ONESHOT, + TT_TMR_PERIODIC, +}; + +#ifdef CONFIG_UML_TIME_TRAVEL_SUPPORT +extern enum time_travel_mode time_travel_mode; +extern unsigned long long time_travel_time; +extern enum time_travel_timer_mode time_travel_timer_mode; +extern unsigned long long time_travel_timer_expiry; +extern unsigned long long time_travel_timer_interval; + +static inline void time_travel_set_time(unsigned long long ns) +{ + time_travel_time = ns; +} + +static inline void time_travel_set_timer(enum time_travel_timer_mode mode, + unsigned long long expiry) +{ + time_travel_timer_mode = mode; + time_travel_timer_expiry = expiry; +} +#else +#define time_travel_mode TT_MODE_OFF +#define time_travel_time 0 +#define time_travel_timer_expiry 0 +#define time_travel_timer_interval 0 + +static inline void time_travel_set_time(unsigned long long ns) +{ +} + +static inline void time_travel_set_timer(enum time_travel_timer_mode mode, + unsigned long long expiry) +{ +} + +#define time_travel_timer_mode TT_TMR_DISABLED +#endif + #endif |