KVM: Update Posted-Interrupts Descriptor when vCPU is blocked

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This patch updates the Posted-Interrupts Descriptor when vCPU
is blocked.

pre-block:
- Add the vCPU to the blocked per-CPU list
- Set 'NV' to POSTED_INTR_WAKEUP_VECTOR

post-block:
- Remove the vCPU from the per-CPU list

Signed-off-by: Feng Wu <feng.wu@intel.com>
[Concentrate invocation of pre/post-block hooks to vcpu_block. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

...

This commit is contained in:

Feng Wu 2015-09-18 22:29:55 +08:00 • committed by Paolo Bonzini

parent 28b835d60f

commit bf9f6ac8d7

6 changed files with 206 additions and 10 deletions

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12

Documentation/virtual/kvm/locking.txt

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11

arch/x86/include/asm/kvm_host.h

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153

arch/x86/kvm/vmx.c

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34

arch/x86/kvm/x86.c

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3

include/linux/kvm_host.h

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3

virt/kvm/kvm_main.c

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