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[Xen-devel][PATCH] Multiple HVM time device model support in HV
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| Subject: | [Xen-devel][PATCH] Multiple HVM time device model support in HV |
| From: | "Dong, Eddie" <eddie.dong@xxxxxxxxx> |
| Date: | Thu, 25 May 2006 10:51:53 +0800 |
| Delivery-date: | Wed, 24 May 2006 19:52:30 -0700 |
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| Thread-topic: | [Xen-devel][PATCH] Multiple HVM time device model support in HV |
This patch targets to support multiple HVM time device models coming
soon.
1: Adopt an abstract layer for periodic time on top of different
HV time device models like PIT, RTC and ACPI time.
2: Extract VMM knowledge from PIT DM code and keep close with
qemu for easy maintain in future.
3: Use guest time (TSC) to drive PIT CLK that helps us to remove
a lot of extra logic previously introduced to convert from host time to
guest time.
4: Some cleanup for SMP code like move cache_tsc_offset to per
VP.
Signed-off-by: Eddie Dong <eddie.dong@xxxxxxxxx>
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