STI, HLT in acpi_cpu_idle_c1
scottl at freebsd.org
Fri Jun 25 11:32:29 PDT 2004
Gerrit Nagelhout wrote:
> Scott Long wrote:
>>This likely means that you're no longer getting any interrupts at all.
>>Btw, is the aac driver running it MPSAFE or FAST mode? I'm
>>not sure if
>>changing it to MPSAFE mode will make a difference, and it
>>change the timings in our system.
> Looks like it's running in FAST mode. What will change by running it in
> MPSAFE mode?
In FAST mode, the interrupt handler is directly dispatched when the
interrupt comes in. In MPSAFE mode, it runs in an ithread.
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