[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH v2 5/6] ARM: Dummy Virtual Machine platform support
On 20/12/12 13:12, Stefano Stabellini wrote: > On Wed, 19 Dec 2012, Christopher Covington wrote: >>> What would be the point of using DCC? >> >> It seemed like ARM-Ltd.-architected peripherals were picked for the timer and >> interrupt controller, so I wondered why not for the console as well. As best >> I'm aware, unless one ventures into the PrimeCell line with the PL011, DCC is >> the closest match for an officially architected console mechanism. > > I certainly wouldn't want to mandate the presence of any devices that > require emulation in the DT for a virtual machine, including DCC, as > simple as it might be. Indeed. GIC and timers have explicit support for virtualization in hardware. Emulating random IPs is up to the implementor, and given that virtio already exists (and performs rather well), I don't feel the urge to reinvent the wheel. M. -- Jazz is not dead. It just smells funny... _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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