Paolo Bonzini aefdc2ed44 KVM: Avoid atomic operations when kicking the running vCPU ... If we do have the vcpu mutex, as is the case if kvm_running_vcpu is set to the target vcpu of the kick, changes to vcpu->mode do not need atomic operations; cmpxchg is only needed _outside_ the mutex to ensure that the IN_GUEST_MODE->EXITING_GUEST_MODE change does not race with the vcpu thread going OUTSIDE_GUEST_MODE. Use this to optimize the case of a vCPU sending an interrupt to itself. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>		2021-12-08 04:24:44 -05:00
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kvm	KVM: Avoid atomic operations when kicking the running vCPU	2021-12-08 04:24:44 -05:00
lib	Revert "irqbypass: do not start cons/prod when failed connect"	2021-05-15 10:26:55 +01:00
Makefile	treewide: Add SPDX license identifier - Makefile/Kconfig	2019-05-21 10:50:46 +02:00