[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] RE: Passive domain support in Xenoprof 2.0
Santos, Jose Renato G wrote: > Xiaowei, > > The passive domain support implementation for Xen 2.0 had > some race conditions and that was the reason it was removed > from the patches for the Xen 3.0 implementation. The buffers > that are used to store PC samples do not use any > locks since they need to be accessed in NMI context. > In the previous implementation, samples of passive domains > were stored in dom0's buffer. This created the possibility > of a race condition if dom0 and a passive domain were > running on 2 different CPUs and accessing the buffer > simultaneously. > Hi Renato, Now I know your concern. Yes, I can work on passive domain support. Thanks! -Xiaowei _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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