On 10/11/18 2:47 PM, Dario Faggioli wrote: > For doing load balancing between runqueues, we check the load of each > runqueue, select the one more "distant" than our own load, and then take > the proper runq lock and attempt vcpu migrations. > > If we fail to take such lock, we try again, and the idea was to give up > and bail if, during the checking phase, we can't take the lock of any > runqueue (check the comment near to the 'goto retry;', in the middle of > balance_load()) > > However, the variable that controls the "give up and bail" part, is not > reset upon retries. Therefore, provided we did manage to check the load of > at least one runqueue during the first pass, if we can't get any runq lock, > we don't bail, but we try again taking the lock of that same runqueue > (and that may even more than once). > > Signed-off-by: Dario Faggioli <dfaggi...@suse.com>
Reviewed-by: George Dunlap <george.dun...@citrix.com> Sorry for the delay. _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
