Marcelo Tosatti wrote:
KVM: x86: do not execute halted vcpus

Alright, need_resched was actually checked in vcpu_enter_guest, so this
checks signal_pending too:

Offline or uninitialized vcpu's can be executed if requested to perform
userspace work.
Follow Avi's suggestion to handle halted vcpu's in the main loop,
simplifying kvm_emulate_halt(). Introduce a new vcpu->requests bit to
indicate events that promote state from halted to running.

Also standardize vcpu wake sites.

Applied, thanks.

--
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.

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