|
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Suspend/Save a machine under HVM (questions for implementation in Win GPL PV driveres)
On 26/2/08 11:27, "James Harper" <james.harper@xxxxxxxxxxxxxxxx> wrote: > *1 what happens if the outstanding requests were: > A - Read value from sector 42 > B - Write value X to sector 42 > C - Read value from sector 42 > > If all the requests had been completed by the backend but not yet > processed on the frontend, then when the operations are retransmitted, > operation A is going to return the value of X, instead of whatever was > previously in sector 42. Maybe this doesn't matter... This doesn't happen with Linux I'm pretty sure, as accesses to a single block are serialised at a higher level. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
|
 |
Lists.xenproject.org is hosted with RackSpace, monitoring our |