KVM: x86: TSC reset compensation

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Attempt to synchronize TSCs which are reset to the same value.  In the
case of a reliable hardware TSC, we can just re-use the same offset, but
on non-reliable hardware, we can get closer by adjusting the offset to
match the elapsed time.

Signed-off-by: Zachary Amsden <zamsden@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

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Zachary Amsden 2010-08-19 22:07:20 -10:00 • committed by Avi Kivity

parent 99e3e30aee

commit f38e098ff3

2 changed files with 33 additions and 1 deletions

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arch/x86/include/asm/kvm_host.h

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31

arch/x86/kvm/x86.c

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