On Fri, Jun 07, 2013 at 04:03:04PM -0700, David Daney wrote: > Subject: [PATCH 00/31] KVM/MIPS: Implement hardware virtualization via the > MIPS-VZ extensions. > > From: David Daney <david.daney@xxxxxxxxxx> > > These patches take a somewhat different approach to MIPS > virtualization via the MIPS-VZ extensions than the patches previously > sent by Sanjay Lal. > > Several facts about the code: > > o Existing exception handlers are modified to hook in to KVM instead > of intercepting all exceptions via the EBase register, and then > chaining to real exception handlers. > > o Able to boot 64-bit SMP guests that use the FPU (I have booted 4-way > SMP 64-bit MIPS/Linux). > > o Additional overhead on every exception even when *no* vCPU is running. > > o Lower interrupt overhead, than the EBase interception method, when > vCPU *is* running. > > o This code is somewhat smaller than the existing trap/emulate > implementation (about 2100 lines vs. about 5300 lines) > > o Currently probably only usable on the OCTEON III CPU model, as some > MIPS-VZ implementation-defined behaviors were assumed to have the > OCTEON III behavior. > > Note: I think Ralf already has the 17/31 (MIPS: Quit exposing Kconfig > symbols in uapi headers.) queued, but I also include it here. Yes; as the references to CONFIG_* symbols in UAPI were a bug, I've already merged this patch for 3.10 as 8f657933a3c2086d4731350c98f91a990783c0d3 [MIPS: Quit exposing Kconfig symbols in uapi headers.] Ralf
