The patch titled
KVM: create kvm-intel.ko module
has been added to the -mm tree. Its filename is
kvm-create-kvm-intelko-module.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: KVM: create kvm-intel.ko module
From: Avi Kivity <avi@xxxxxxxxxxxx>
This patch lays the foundation for arch-independent kvm: it creates the
kvm-intel.ko module and prepares an arch function vector for the arch-specific
implementation.
Signed-off-by: Avi Kivity <avi@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
drivers/kvm/Kconfig | 12 ++++++++++--
drivers/kvm/Makefile | 2 ++
drivers/kvm/kvm.h | 7 +++++++
drivers/kvm/kvm_main.c | 13 +++++++++++++
drivers/kvm/vmx.c | 39 +++++++++++++++++++++++++++++++++++++++
5 files changed, 71 insertions(+), 2 deletions(-)
diff -puN drivers/kvm/Kconfig~kvm-create-kvm-intelko-module drivers/kvm/Kconfig
--- a/drivers/kvm/Kconfig~kvm-create-kvm-intelko-module
+++ a/drivers/kvm/Kconfig
@@ -6,8 +6,9 @@ config KVM
depends on X86 && EXPERIMENTAL
---help---
Support hosting fully virtualized guest machines using hardware
- virtualization extensions. You will need a fairly recent Intel
- processor equipped with VT extensions.
+ virtualization extensions. You will need a fairly recent
+ processor equipped with virtualization extensions. You will also
+ need to select one or more of the processor modules below.
This module provides access to the hardware capabilities through
a character device node named /dev/kvm.
@@ -16,3 +17,10 @@ config KVM
will be called kvm.
If unsure, say N.
+
+config KVM_INTEL
+ tristate "KVM for Intel processors support"
+ depends on KVM
+ ---help---
+ Provides support for KVM on Intel processors equipped with the VT
+ extensions.
diff -puN drivers/kvm/Makefile~kvm-create-kvm-intelko-module drivers/kvm/Makefile
--- a/drivers/kvm/Makefile~kvm-create-kvm-intelko-module
+++ a/drivers/kvm/Makefile
@@ -4,3 +4,5 @@
kvm-objs := kvm_main.o mmu.o x86_emulate.o
obj-$(CONFIG_KVM) += kvm.o
+kvm-intel-objs = vmx.o
+obj-$(CONFIG_KVM_INTEL) += kvm-intel.o
diff -puN drivers/kvm/kvm.h~kvm-create-kvm-intelko-module drivers/kvm/kvm.h
--- a/drivers/kvm/kvm.h~kvm-create-kvm-intelko-module
+++ a/drivers/kvm/kvm.h
@@ -235,11 +235,18 @@ struct kvm_stat {
u32 irq_exits;
};
+struct kvm_arch_ops {
+};
+
extern struct kvm_stat kvm_stat;
+extern struct kvm_arch_ops *kvm_arch_ops;
#define kvm_printf(kvm, fmt ...) printk(KERN_DEBUG fmt)
#define vcpu_printf(vcpu, fmt...) kvm_printf(vcpu->kvm, fmt)
+void kvm_init_arch(struct kvm_arch_ops *ops);
+void kvm_exit_arch(void);
+
void kvm_mmu_destroy(struct kvm_vcpu *vcpu);
int kvm_mmu_init(struct kvm_vcpu *vcpu);
diff -puN drivers/kvm/kvm_main.c~kvm-create-kvm-intelko-module drivers/kvm/kvm_main.c
--- a/drivers/kvm/kvm_main.c~kvm-create-kvm-intelko-module
+++ a/drivers/kvm/kvm_main.c
@@ -41,6 +41,7 @@
MODULE_AUTHOR("Qumranet");
MODULE_LICENSE("GPL");
+struct kvm_arch_ops *kvm_arch_ops;
struct kvm_stat kvm_stat;
static struct kvm_stats_debugfs_item {
@@ -3611,6 +3612,15 @@ static void kvm_exit_debug(void)
hpa_t bad_page_address;
+void kvm_init_arch(struct kvm_arch_ops *ops)
+{
+ kvm_arch_ops = ops;
+}
+
+void kvm_exit_arch(void)
+{
+}
+
static __init int kvm_init(void)
{
static struct page *bad_page;
@@ -3670,3 +3680,6 @@ static __exit void kvm_exit(void)
module_init(kvm_init)
module_exit(kvm_exit)
+
+EXPORT_SYMBOL_GPL(kvm_init_arch);
+EXPORT_SYMBOL_GPL(kvm_exit_arch);
diff -puN /dev/null drivers/kvm/vmx.c
--- /dev/null
+++ a/drivers/kvm/vmx.c
@@ -0,0 +1,39 @@
+/*
+ * Kernel-based Virtual Machine driver for Linux
+ *
+ * This module enables machines with Intel VT-x extensions to run virtual
+ * machines without emulation or binary translation.
+ *
+ * Copyright (C) 2006 Qumranet, Inc.
+ *
+ * Authors:
+ * Avi Kivity <avi@xxxxxxxxxxxx>
+ * Yaniv Kamay <yaniv@xxxxxxxxxxxx>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2. See
+ * the COPYING file in the top-level directory.
+ *
+ */
+
+#include "kvm.h"
+#include <linux/module.h>
+
+MODULE_AUTHOR("Qumranet");
+MODULE_LICENSE("GPL");
+
+static struct kvm_arch_ops vmx_arch_ops = {
+};
+
+static int __init vmx_init(void)
+{
+ kvm_init_arch(&vmx_arch_ops);
+ return 0;
+}
+
+static void __exit vmx_exit(void)
+{
+ kvm_exit_arch();
+}
+
+module_init(vmx_init)
+module_exit(vmx_exit)
_
Patches currently in -mm which might be from avi@xxxxxxxxxxxx are
kvm-userspace-interface.patch
kvm-userspace-interface-make-enum-values-in-userspace-interface-explicit.patch
kvm-intel-virtual-mode-extensions-definitions.patch
kvm-kvm-data-structures.patch
kvm-random-accessors-and-constants.patch
kvm-virtualization-infrastructure.patch
kvm-virtualization-infrastructure-kvm-fix-guest-cr4-corruption.patch
kvm-virtualization-infrastructure-include-desch.patch
kvm-virtualization-infrastructure-fix-segment-state-changes-across-processor-mode-switches.patch
kvm-virtualization-infrastructure-fix-asm-constraints-for-segment-loads.patch
kvm-virtualization-infrastructure-fix-mmu-reset-locking-when-setting-cr0.patch
kvm-memory-slot-management.patch
kvm-vcpu-creation-and-maintenance.patch
kvm-vcpu-creation-and-maintenance-segment-access-cleanup.patch
kvm-workaround-cr0cd-cache-disable-bit-leak-from-guest-to.patch
kvm-vcpu-execution-loop.patch
kvm-define-exit-handlers.patch
kvm-define-exit-handlers-pass-fs-gs-segment-bases-to-x86-emulator.patch
kvm-less-common-exit-handlers.patch
kvm-less-common-exit-handlers-handle-rdmsrmsr_efer.patch
kvm-mmu.patch
kvm-x86-emulator.patch
kvm-clarify-licensing.patch
kvm-x86-emulator-fix-emulator-mov-cr-decoding.patch
kvm-plumbing.patch
kvm-dynamically-determine-which-msrs-to-load-and-save.patch
kvm-fix-calculation-of-initial-value-of-rdx-register.patch
kvm-avoid-using-vmx-instruction-directly.patch
kvm-avoid-using-vmx-instruction-directly-fix-asm-constraints.patch
kvm-expose-interrupt-bitmap.patch
kvm-add-time-stamp-counter-msr-and-accessors.patch
kvm-expose-msrs-to-userspace.patch
kvm-expose-msrs-to-userspace-v2.patch
kvm-create-kvm-intelko-module.patch
kvm-make-dev-registration-happen-when-the-arch.patch
kvm-make-hardware-detection-an-arch-operation.patch
kvm-make-the-per-cpu-enable-disable-functions-arch.patch
kvm-make-the-hardware-setup-operations-non-percpu.patch
kvm-make-the-guest-debugger-an-arch-operation.patch
kvm-make-msr-accessors-arch-operations.patch
kvm-make-the-segment-accessors-arch-operations.patch
kvm-cache-guest-cr4-in-vcpu-structure.patch
kvm-cache-guest-cr0-in-vcpu-structure.patch
kvm-add-get_segment_base-arch-accessor.patch
kvm-add-idt-and-gdt-descriptor-accessors.patch
kvm-make-syncing-the-register-file-to-the-vcpu.patch
kvm-make-the-vcpu-execution-loop-an-arch-operation.patch
kvm-move-the-vmx-exit-handlers-to-vmxc.patch
kvm-make-vcpu_setup-an-arch-operation.patch
kvm-make-__set_cr0-and-dependencies-arch-operations.patch
kvm-make-__set_cr4-an-arch-operation.patch
kvm-make-__set_efer-an-arch-operation.patch
kvm-make-set_cr3-and-tlb-flushing-arch-operations.patch
kvm-make-inject_page_fault-an-arch-operation.patch
kvm-make-inject_gp-an-arch-operation.patch
kvm-use-the-idt-and-gdt-accessors-in-realmode-emulation.patch
kvm-use-the-general-purpose-register-accessors-rather.patch
kvm-move-the-vmx-tsc-accessors-to-vmxc.patch
kvm-access-rflags-through-an-arch-operation.patch
kvm-move-the-vmx-segment-field-definitions-to-vmxc.patch
kvm-add-an-arch-accessor-for-cs-d-b-and-l-bits.patch
kvm-add-a-set_cr0_no_modeswitch-arch-accessor.patch
kvm-make-vcpu_load-and-vcpu_put-arch-operations.patch
kvm-make-vcpu-creation-and-destruction-arch-operations.patch
kvm-move-vmcs-static-variables-to-vmxc.patch
kvm-make-is_long_mode-an-arch-operation.patch
kvm-use-the-tlb-flush-arch-operation-instead-of-an.patch
kvm-remove-guest_cpl.patch
kvm-move-vmcs-accessors-to-vmxc.patch
kvm-move-vmx-helper-inlines-to-vmxc.patch
kvm-remove-vmx-includes-from-arch-independent-code.patch
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