YM Yen wrote:
> hi,
>
> I am looking for a way to program the APIC timer in a kernel module so
> that the module depends only on the hardware timer instead of the timer
> provided by the kernel. Programming the LVT is easy, however I can't
> find a way to have the Linux kernel to call my interrupt service routine
> in addition to smp_apic_timer_interrupt().
>
> Is doing this even possible? There doesn't seem to be any sort of hook
> or notifier chain I can install a ISR to. Thanks in advance.


It might be possible, but likely not easy and not recommended. Why is a
kernel timer not sufficient for what you need?
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