John Baldwin wrote: > On Wednesday 25 April 2007 05:57:13 pm Nate Lawson wrote: >> Yes, that should be ok but why not do local first and then push up tree >> if it fails? Semantically, a child of your bus requested the resource >> so most of the time you should be able to handle it. > > Very few resources should really be alloc'd from sysresource though. No PCI > device should be alloc'ing from that for example. It's really only for > special drivers like IPMI (when it's not enumerated as an ACPI device, but > only via SMBIOS tables) where a system resource is reserving it because it is > in use and needs to keep another device (like on PCI where resources aren't > fixed) from using it. Thus, really only a specific allocation of a resource > in sys_resource should ever alloc from that, and all those specific > allocations will fail up in nexus since sys_resource has already claimed > those regions.
Ok, I buy that. -- Nate _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/cvs-all To unsubscribe, send any mail to "[EMAIL PROTECTED]"
