The patch titled
KVM: make /dev/registration happen when the arch specific module is loaded
has been added to the -mm tree. Its filename is
kvm-make-dev-registration-happen-when-the-arch.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: make /dev/registration happen when the arch specific module is loaded
From: Avi Kivity <avi@xxxxxxxxxxxx>
This avoids exposing the driver capabilities before they are loaded.
Signed-off-by: Avi Kivity <avi@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
drivers/kvm/kvm.h | 2 +-
drivers/kvm/kvm_main.c | 24 ++++++++++++++----------
drivers/kvm/vmx.c | 2 +-
3 files changed, 16 insertions(+), 12 deletions(-)
diff -puN drivers/kvm/kvm.h~kvm-make-dev-registration-happen-when-the-arch drivers/kvm/kvm.h
--- a/drivers/kvm/kvm.h~kvm-make-dev-registration-happen-when-the-arch
+++ a/drivers/kvm/kvm.h
@@ -244,7 +244,7 @@ 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);
+int kvm_init_arch(struct kvm_arch_ops *ops, struct module *module);
void kvm_exit_arch(void);
void kvm_mmu_destroy(struct kvm_vcpu *vcpu);
diff -puN drivers/kvm/kvm_main.c~kvm-make-dev-registration-happen-when-the-arch drivers/kvm/kvm_main.c
--- a/drivers/kvm/kvm_main.c~kvm-make-dev-registration-happen-when-the-arch
+++ a/drivers/kvm/kvm_main.c
@@ -3558,7 +3558,6 @@ static int kvm_dev_mmap(struct file *fil
}
static struct file_operations kvm_chardev_ops = {
- .owner = THIS_MODULE,
.open = kvm_dev_open,
.release = kvm_dev_release,
.unlocked_ioctl = kvm_dev_ioctl,
@@ -3612,13 +3611,26 @@ static void kvm_exit_debug(void)
hpa_t bad_page_address;
-void kvm_init_arch(struct kvm_arch_ops *ops)
+int kvm_init_arch(struct kvm_arch_ops *ops, struct module *module)
{
+ int r;
+
kvm_arch_ops = ops;
+ kvm_chardev_ops.owner = module;
+
+ r = misc_register(&kvm_dev);
+ if (r) {
+ printk (KERN_ERR "kvm: misc device register failed\n");
+ goto out_free;
+ }
+
+out_free:
+ return r;
}
void kvm_exit_arch(void)
{
+ misc_deregister(&kvm_dev);
}
static __init int kvm_init(void)
@@ -3644,13 +3656,6 @@ static __init int kvm_init(void)
on_each_cpu(kvm_enable, 0, 0, 1);
register_reboot_notifier(&kvm_reboot_notifier);
- r = misc_register(&kvm_dev);
- if (r) {
- printk (KERN_ERR "kvm: misc device register failed\n");
- goto out_free;
- }
-
-
if ((bad_page = alloc_page(GFP_KERNEL)) == NULL) {
r = -ENOMEM;
goto out_free;
@@ -3671,7 +3676,6 @@ out:
static __exit void kvm_exit(void)
{
kvm_exit_debug();
- misc_deregister(&kvm_dev);
unregister_reboot_notifier(&kvm_reboot_notifier);
on_each_cpu(kvm_disable, 0, 0, 1);
free_kvm_area();
diff -puN drivers/kvm/vmx.c~kvm-make-dev-registration-happen-when-the-arch drivers/kvm/vmx.c
--- a/drivers/kvm/vmx.c~kvm-make-dev-registration-happen-when-the-arch
+++ a/drivers/kvm/vmx.c
@@ -26,7 +26,7 @@ static struct kvm_arch_ops vmx_arch_ops
static int __init vmx_init(void)
{
- kvm_init_arch(&vmx_arch_ops);
+ kvm_init_arch(&vmx_arch_ops, THIS_MODULE);
return 0;
}
_
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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