Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=f8c16bbaa9e14b309ffcf29cac0ea377a35b0dd2
Commit: f8c16bbaa9e14b309ffcf29cac0ea377a35b0dd2
Parent: cb498ea2ce1d3f3c0bc0a2522241dca10263e437
Author: Zhang Xiantao <[EMAIL PROTECTED]>
AuthorDate: Wed Nov 14 20:40:21 2007 +0800
Committer: Avi Kivity <[EMAIL PROTECTED]>
CommitDate: Wed Jan 30 17:53:03 2008 +0200
KVM: Portability: Move x86 specific code from kvm_init() to kvm_arch()
Signed-off-by: Zhang Xiantao <[EMAIL PROTECTED]>
Acked-by: Carsten Otte <[EMAIL PROTECTED]>
Signed-off-by: Avi Kivity <[EMAIL PROTECTED]>
---
drivers/kvm/kvm.h | 5 +++--
drivers/kvm/kvm_main.c | 26 ++++++--------------------
drivers/kvm/x86.c | 27 ++++++++++++++++++++++++++-
3 files changed, 35 insertions(+), 23 deletions(-)
diff --git a/drivers/kvm/kvm.h b/drivers/kvm/kvm.h
index 5e7be15..96d9c7d 100644
--- a/drivers/kvm/kvm.h
+++ b/drivers/kvm/kvm.h
@@ -495,7 +495,7 @@ void vcpu_put(struct kvm_vcpu *vcpu);
void decache_vcpus_on_cpu(int cpu);
-int kvm_init(struct kvm_x86_ops *ops, unsigned int vcpu_size,
+int kvm_init(void *opaque, unsigned int vcpu_size,
struct module *module);
void kvm_exit(void);
@@ -649,7 +649,8 @@ int kvm_arch_vcpu_ioctl_debug_guest(struct kvm_vcpu *vcpu,
struct kvm_debug_guest *dbg);
int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run);
-__init void kvm_arch_init(void);
+int kvm_arch_init(void *opaque);
+void kvm_arch_exit(void);
int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu);
void kvm_arch_vcpu_uninit(struct kvm_vcpu *vcpu);
diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c
index 2b3736e..e0f20d0 100644
--- a/drivers/kvm/kvm_main.c
+++ b/drivers/kvm/kvm_main.c
@@ -1434,7 +1434,7 @@ static void kvm_sched_out(struct preempt_notifier *pn,
kvm_arch_vcpu_put(vcpu);
}
-int kvm_init(struct kvm_x86_ops *ops, unsigned int vcpu_size,
+int kvm_init(void *opaque, unsigned int vcpu_size,
struct module *module)
{
int r;
@@ -1446,7 +1446,9 @@ int kvm_init(struct kvm_x86_ops *ops, unsigned int
vcpu_size,
kvm_init_debug();
- kvm_arch_init();
+ r = kvm_arch_init(opaque);
+ if (r)
+ goto out4;
bad_page = alloc_page(GFP_KERNEL | __GFP_ZERO);
@@ -1455,22 +1457,6 @@ int kvm_init(struct kvm_x86_ops *ops, unsigned int
vcpu_size,
goto out;
}
- if (kvm_x86_ops) {
- printk(KERN_ERR "kvm: already loaded the other module\n");
- return -EEXIST;
- }
-
- if (!ops->cpu_has_kvm_support()) {
- printk(KERN_ERR "kvm: no hardware support\n");
- return -EOPNOTSUPP;
- }
- if (ops->disabled_by_bios()) {
- printk(KERN_ERR "kvm: disabled by bios\n");
- return -EOPNOTSUPP;
- }
-
- kvm_x86_ops = ops;
-
r = kvm_arch_hardware_setup();
if (r < 0)
goto out;
@@ -1534,7 +1520,7 @@ out_free_1:
out_free_0:
kvm_arch_hardware_unsetup();
out:
- kvm_x86_ops = NULL;
+ kvm_arch_exit();
kvm_exit_debug();
kvm_mmu_module_exit();
out4:
@@ -1552,7 +1538,7 @@ void kvm_exit(void)
unregister_cpu_notifier(&kvm_cpu_notifier);
on_each_cpu(hardware_disable, NULL, 0, 1);
kvm_arch_hardware_unsetup();
- kvm_x86_ops = NULL;
+ kvm_arch_exit();
kvm_exit_debug();
__free_page(bad_page);
kvm_mmu_module_exit();
diff --git a/drivers/kvm/x86.c b/drivers/kvm/x86.c
index 4902b35..bbfa810 100644
--- a/drivers/kvm/x86.c
+++ b/drivers/kvm/x86.c
@@ -1645,11 +1645,36 @@ int kvm_emulate_pio_string(struct kvm_vcpu *vcpu,
struct kvm_run *run, int in,
}
EXPORT_SYMBOL_GPL(kvm_emulate_pio_string);
-__init void kvm_arch_init(void)
+int kvm_arch_init(void *opaque)
{
+ struct kvm_x86_ops *ops = (struct kvm_x86_ops *)opaque;
+
kvm_init_msr_list();
+
+ if (kvm_x86_ops) {
+ printk(KERN_ERR "kvm: already loaded the other module\n");
+ return -EEXIST;
+ }
+
+ if (!ops->cpu_has_kvm_support()) {
+ printk(KERN_ERR "kvm: no hardware support\n");
+ return -EOPNOTSUPP;
+ }
+ if (ops->disabled_by_bios()) {
+ printk(KERN_ERR "kvm: disabled by bios\n");
+ return -EOPNOTSUPP;
+ }
+
+ kvm_x86_ops = ops;
+
+ return 0;
}
+void kvm_arch_exit(void)
+{
+ kvm_x86_ops = NULL;
+ }
+
int kvm_emulate_halt(struct kvm_vcpu *vcpu)
{
++vcpu->stat.halt_exits;
-
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