KVM: In kernel PIT model

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The patch moves the PIT model from userspace to kernel, and increases
the timer accuracy greatly.

[marcelo: make last_injected_time per-guest]

Signed-off-by: Sheng Yang <sheng.yang@intel.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Tested-and-Acked-by: Alex Davis <alex14641@yahoo.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

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Sheng Yang 2008-01-28 05:10:22 +08:00 • committed by Avi Kivity

parent 4fcaa98267

commit 7837699fa6

7 changed files with 664 additions and 1 deletions

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3

arch/x86/kvm/Makefile

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586

arch/x86/kvm/i8254.c

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61

arch/x86/kvm/i8254.h

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3

arch/x86/kvm/irq.c

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9

arch/x86/kvm/x86.c

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1

include/asm-x86/kvm_host.h

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2

include/linux/kvm.h

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