• Tony Lindgren's avatar
    ARM: OMAP: Avoid updating system time for sub-jiffy interrupts · afdf472d
    Tony Lindgren authored
    Updating system time and reprogramming timer can cause latency
    issues on busy systems with lots of interrupts with constant
    updating of time and reprogramming the system timer.
    
    If a non-timer dyntick interrupt happens within a jiffy from
    the last interrupt, updating time and reprogramming the timer
    is unnecessary as we will get a timer interrupt soon anyways.
    Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
    afdf472d
timer32k.c 9.69 KB