Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=133de9021d2988f3fbdad84c2d26484c7a757526
Commit: 133de9021d2988f3fbdad84c2d26484c7a757526
Parent: 47e627bc8c9a70392d2049e6af5bd55fae61fe53
Author: Avi Kivity <[EMAIL PROTECTED]>
AuthorDate: Mon Feb 12 00:54:44 2007 -0800
Committer: Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Mon Feb 12 09:48:40 2007 -0800
[PATCH] KVM: Add a global list of all virtual machines
This will allow us to iterate over all vcpus and see which cpus they are
running on.
[EMAIL PROTECTED]: use standard (ugly) initialisers]
Signed-off-by: Avi Kivity <[EMAIL PROTECTED]>
Cc: Ingo Molnar <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
drivers/kvm/kvm.h | 1 +
drivers/kvm/kvm_main.c | 11 ++++++++++-
2 files changed, 11 insertions(+), 1 deletions(-)
diff --git a/drivers/kvm/kvm.h b/drivers/kvm/kvm.h
index 4ccb343..c48cebf 100644
--- a/drivers/kvm/kvm.h
+++ b/drivers/kvm/kvm.h
@@ -304,6 +304,7 @@ struct kvm {
int memory_config_version;
int busy;
unsigned long rmap_overflow;
+ struct list_head vm_list;
};
struct kvm_stat {
diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c
index 9b79d34..a6cd1c1 100644
--- a/drivers/kvm/kvm_main.c
+++ b/drivers/kvm/kvm_main.c
@@ -41,6 +41,9 @@
MODULE_AUTHOR("Qumranet");
MODULE_LICENSE("GPL");
+static DEFINE_SPINLOCK(kvm_lock);
+static LIST_HEAD(vm_list);
+
struct kvm_arch_ops *kvm_arch_ops;
struct kvm_stat kvm_stat;
EXPORT_SYMBOL_GPL(kvm_stat);
@@ -230,9 +233,13 @@ static int kvm_dev_open(struct inode *inode, struct file
*filp)
struct kvm_vcpu *vcpu = &kvm->vcpus[i];
mutex_init(&vcpu->mutex);
+ vcpu->cpu = -1;
vcpu->kvm = kvm;
vcpu->mmu.root_hpa = INVALID_PAGE;
INIT_LIST_HEAD(&vcpu->free_pages);
+ spin_lock(&kvm_lock);
+ list_add(&kvm->vm_list, &vm_list);
+ spin_unlock(&kvm_lock);
}
filp->private_data = kvm;
return 0;
@@ -292,6 +299,9 @@ static int kvm_dev_release(struct inode *inode, struct file
*filp)
{
struct kvm *kvm = filp->private_data;
+ spin_lock(&kvm_lock);
+ list_del(&kvm->vm_list);
+ spin_unlock(&kvm_lock);
kvm_free_vcpus(kvm);
kvm_free_physmem(kvm);
kfree(kvm);
@@ -546,7 +556,6 @@ static int kvm_dev_ioctl_create_vcpu(struct kvm *kvm, int n)
FX_IMAGE_ALIGN);
vcpu->guest_fx_image = vcpu->host_fx_image + FX_IMAGE_SIZE;
- vcpu->cpu = -1; /* First load will set up TR */
r = kvm_arch_ops->vcpu_create(vcpu);
if (r < 0)
goto out_free_vcpus;
-
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