On Thu, Jul 26, 2012 at 9:15 PM, Avi Kivity <avi@xxxxxxxxxx> wrote: > On 07/26/2012 04:14 PM, liu ping fan wrote: >>> >>> From the description above, I don't see why it can't be a mutex. >>> >> Searching in the device tree (or MemoryRegion view) can be often in >> parallel, especially in mmio-dispatch code path > > In mmio dispatch we have a pointer to the object, we don't need to > search anything. Is device tree search a hot path? > I think, we need lock to protect searching --phys_page_find() from deleter--DeviceClass:unmap, so rwlock? > > -- > error compiling committee.c: too many arguments to function > > -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
