Avi Kivity wrote: > Zhang, Xiantao wrote: >> Hi, Avi >> Please review and apply the three patches! The last two are key >> fixes for linux-2.6.28-rc2, and please also push them into upstream. >> > > Applied all, thanks. Is the third patch needed for 2.6.28? What > scenario does it fix? Hi, Avi It is a potential issue. If the vcpu goes to halt with the lock taken, other vcpus wants to take write lock, they have to wait until the all halted vcpus are waken up, so it may impact performance. :) Thanks Xiantao-- To unsubscribe from this list: send the line "unsubscribe kvm-ia64" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html