From 9c82de55d4783e906f18219f833ad97fd8d9c5df Mon Sep 17 00:00:00 2001 From: Tiwei Bie Date: Mon, 27 Oct 2025 08:18:11 +0800 Subject: um: Define timers on a per-CPU basis Define timers on a per-CPU basis to enable each CPU to have its own timer. This is a preparation for adding SMP support. Signed-off-by: Tiwei Bie Link: https://patch.msgid.link/20251027001815.1666872-5-tiwei.bie@linux.dev Signed-off-by: Johannes Berg --- arch/um/include/linux/time-internal.h | 3 +++ 1 file changed, 3 insertions(+) (limited to 'arch/um/include/linux/time-internal.h') diff --git a/arch/um/include/linux/time-internal.h b/arch/um/include/linux/time-internal.h index 138908b999d7..c274eb5ad55e 100644 --- a/arch/um/include/linux/time-internal.h +++ b/arch/um/include/linux/time-internal.h @@ -90,4 +90,7 @@ extern unsigned long tt_extra_sched_jiffies; * which is intentional since we really shouldn't link it in that case. */ void time_travel_ndelay(unsigned long nsec); + +int um_setup_timer(void); + #endif /* __TIMER_INTERNAL_H__ */ -- cgit v1.2.3