[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH 1 of 4] Improve ring management for memory events
On Mon, Nov 14, Andres Lagar-Cavilla wrote: I will do a more complete review later, a few comments below. > + free_requests = RING_FREE_REQUESTS(&med->front_ring); > + if ( unlikely(free_requests < d->max_vcpus) ) > + { > + /* This may happen during normal operation (hopefully not often). */ > + gdprintk(XENLOG_INFO, "mem_event request slots for domain %d: %d\n", > + d->domain_id, free_requests); What is the purpose of this printk? The ring can and does fillup quickly with paging. > + if ( mem_event_ring_free(d, med) == 0 ) > + { > + /* This *may* happen, but only when foreign mappings generate > events. */ > + gdprintk(XENLOG_WARNING, "possible lost mem_event for domain %d\n", > + d->domain_id); This printk is not needed, callers have to try again. Olaf _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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