On 01.08.2019 16:31, Oleksandr wrote: > This is needed for the upcoming V2 of the IPMMU driver (ARM) [1] which may > request > deferred probing (returns -EPROBE_DEFER) depending on what device will be > probed the first > (Root device must be registered before Cache devices. If not the case, > driver will deny further Cache device probes until Root device is > registered). > > As we can't guarantee a fixed pre-defined order for the device nodes in DT, > we need to be ready for the situation where devices being probed > in "any" order. So, framework (drivers/passthrough/arm/iommu.c) will be > modified a bit to be able to handle -EPROBE_DEFER returning by driver.
I'm sure this can be had without introducing a new error code. Jan _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel