[Xen-devel] Local APIC doesn't implement "One shot" mode?

[alarson@xxxxxxxx]

I've now have gotten our OS running on Xen 4.0.  Many thanks.

However it appears that the Local APIC presented to the client only 
implements the "periodic" timer mode, and not "one shot" (bit 17 of the 
APIC Local Vector Table).  I say "apparently" because I have limited time 
on the hardware so I didn't have time to write a definitive test case, but 
the external visible behavior is that the local apic timer does not stop 
at zero when programmed for "one-shot" mode.  This isn't overly difficult 
for me to work around, but I thought I'd mention it just in case it 
warranted fixing.  If desired, I can confirm my conjecture the next time I 
have time on the hardware.

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