timer: APIC timer count is a lock free accessor

Selects the hidden Kconfig to note that the APIC timer's cycle count
accessor is a lock free path and may use the spin lock time limit check.

Signed-off-by: Tom Burdick <thomas.burdick@intel.com>
This commit is contained in:
Tom Burdick 2022-10-04 16:43:20 -05:00 committed by Carles Cufí
commit 94251ac843

View file

@ -8,6 +8,7 @@ menuconfig APIC_TIMER
depends on X86
depends on LOAPIC
select TICKLESS_CAPABLE
select SYSTEM_CLOCK_LOCK_FREE_COUNT
help
Use the x86 local APIC in one-shot mode as the system time
source. NOTE: this probably isn't what you want except on