[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] pv-ops domU not working with MSI interrupts on Nehalem
> >> You can't use SG buffers? And chain them together and provide them > >> to the device? A lot of other drivers do this ... > > > > Perhaps. I don't know. I'm not the driver author. I think that it > > worked using 1 giant buffer before so there was no need to use SG > > buffers. > > Got some more info. It's a hardware requirement for the tachyon chip. > It uses a 2 MB block for the FC SEST index table. It's one place where > we can't use SG. OK, pci_alloc_consistent is the way. I think you can go up to 2MB with it. > It really not a matter of laziness. <nods> _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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