On Sat, Nov 14, 2020 at 01:18:37PM -0800, Raj, Ashok wrote: > On Sat, Nov 14, 2020 at 10:34:30AM +0000, Christoph Hellwig wrote: > > On Thu, Nov 12, 2020 at 11:42:46PM +0100, Thomas Gleixner wrote: > > > DMI vendor name is pretty good final check when the bit is 0. The > > > strings I'm aware of are: > > > > > > QEMU, Bochs, KVM, Xen, VMware, VMW, VMware Inc., innotek GmbH, Oracle > > > Corporation, Parallels, BHYVE, Microsoft Corporation > > > > > > which is not complete but better than nothing ;) > > > > Which is why I really think we need explicit opt-ins for "native" > > SIOV handling and for paravirtualized SIOV handling, with the kernel > > not offering support at all without either or a manual override on > > the command line. > > opt-in by device or kernel? The way we are planning to support this is: opt-in by the platform. Not sure if an ACPI interface or something else would be best. But basically the kernel needs to be able to query: Does this platform claim to support IMS, and if yes how. If there is no answer we need assume the platform doesn't.
