On 26/02/14 15:14, Waiman Long wrote: > This patch adds para-virtualization support to the queue spinlock code > by enabling the queue head to kick the lock holder CPU, if known, > in when the lock isn't released for a certain amount of time. It > also enables the mutual monitoring of the queue head CPU and the > following node CPU in the queue to make sure that their CPUs will > stay scheduled in.
I'm not really understanding how this is supposed to work. There appears to be an assumption that a guest can keep one of its VCPUs running by repeatedly kicking it? This is not possible under Xen and I doubt it's possible under KVM or any other hypervisor. David _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization
