- Add config option for KVM/MIPS with VZ support.
Signed-off-by: Sanjay Lal <sanj...@kymasys.com>
---
arch/mips/kvm/Kconfig | 14 +++++++++++++-
arch/mips/kvm/Makefile | 14 +++++++++-----
2 files changed, 22 insertions(+), 6 deletions(-)
diff --git a/arch/mips/kvm/Kconfig b/arch/mips/kvm/Kconfig
index 2c15590..963657f 100644
--- a/arch/mips/kvm/Kconfig
+++ b/arch/mips/kvm/Kconfig
@@ -25,9 +25,21 @@ config KVM
Support for hosting Guest kernels.
Currently supported on MIPS32 processors.
+config KVM_MIPS_VZ
+ bool "KVM support using the MIPS Virtualization ASE"
+ depends on KVM
+ ---help---
+ Support running unmodified guest kernels in virtual machines using
+ the MIPS virtualization ASE. If this option is not selected
+ then KVM will default to using trap and emulate to virtualize
+ guests, which will not be as optimal as using the VZ ASE.
+
+ If unsure, say N.
+
config KVM_MIPS_DYN_TRANS
bool "KVM/MIPS: Dynamic binary translation to reduce traps"
- depends on KVM
+ depends on KVM && !KVM_MIPS_VZ
+ default y
---help---
When running in Trap & Emulate mode patch privileged
instructions to reduce the number of traps.
diff --git a/arch/mips/kvm/Makefile b/arch/mips/kvm/Makefile
index 78d87bb..cc64bb4 100644
--- a/arch/mips/kvm/Makefile
+++ b/arch/mips/kvm/Makefile
@@ -5,9 +5,13 @@ common-objs = $(addprefix ../../../virt/kvm/, kvm_main.o
coalesced_mmio.o)
EXTRA_CFLAGS += -Ivirt/kvm -Iarch/mips/kvm
-kvm-objs := $(common-objs) kvm_mips.o kvm_mips_emul.o kvm_locore.o \
- kvm_mips_int.o kvm_mips_stats.o kvm_mips_commpage.o \
- kvm_mips_dyntrans.o kvm_trap_emul.o
+kvm-objs := $(common-objs) kvm_mips.o kvm_mips_emul.o kvm_locore.o
kvm_mips_int.o \
+ kvm_mips_stats.o kvm_mips_commpage.o kvm_mips_dyntrans.o
-obj-$(CONFIG_KVM) += kvm.o
-obj-y += kvm_cb.o kvm_tlb.o
+ifdef CONFIG_KVM_MIPS_VZ
+kvm-objs += kvm_vz.o
+else
+kvm-objs += kvm_trap_emul.o
+endif
+obj-$(CONFIG_KVM) += kvm.o
+obj-y += kvm_tlb.o kvm_cb.o kvm_vz_locore.o
--
1.7.11.3
--
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