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c5ea7660
编写于
2月 20, 2007
作者:
A
Avi Kivity
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
KVM: Move kvm_vm_ioctl_create_vcpu() around
In preparation of some hacking. Signed-off-by:
N
Avi Kivity
<
avi@qumranet.com
>
上级
2c6f5df9
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
51 addition
and
51 deletion
+51
-51
drivers/kvm/kvm_main.c
drivers/kvm/kvm_main.c
+51
-51
未找到文件。
drivers/kvm/kvm_main.c
浏览文件 @
c5ea7660
...
...
@@ -598,57 +598,6 @@ void fx_init(struct kvm_vcpu *vcpu)
}
EXPORT_SYMBOL_GPL
(
fx_init
);
/*
* Creates some virtual cpus. Good luck creating more than one.
*/
static
int
kvm_vm_ioctl_create_vcpu
(
struct
kvm
*
kvm
,
int
n
)
{
int
r
;
struct
kvm_vcpu
*
vcpu
;
r
=
-
EINVAL
;
if
(
!
valid_vcpu
(
n
))
goto
out
;
vcpu
=
&
kvm
->
vcpus
[
n
];
mutex_lock
(
&
vcpu
->
mutex
);
if
(
vcpu
->
vmcs
)
{
mutex_unlock
(
&
vcpu
->
mutex
);
return
-
EEXIST
;
}
vcpu
->
host_fx_image
=
(
char
*
)
ALIGN
((
hva_t
)
vcpu
->
fx_buf
,
FX_IMAGE_ALIGN
);
vcpu
->
guest_fx_image
=
vcpu
->
host_fx_image
+
FX_IMAGE_SIZE
;
r
=
kvm_arch_ops
->
vcpu_create
(
vcpu
);
if
(
r
<
0
)
goto
out_free_vcpus
;
r
=
kvm_mmu_create
(
vcpu
);
if
(
r
<
0
)
goto
out_free_vcpus
;
kvm_arch_ops
->
vcpu_load
(
vcpu
);
r
=
kvm_mmu_setup
(
vcpu
);
if
(
r
>=
0
)
r
=
kvm_arch_ops
->
vcpu_setup
(
vcpu
);
vcpu_put
(
vcpu
);
if
(
r
<
0
)
goto
out_free_vcpus
;
return
0
;
out_free_vcpus:
kvm_free_vcpu
(
vcpu
);
mutex_unlock
(
&
vcpu
->
mutex
);
out:
return
r
;
}
/*
* Allocate some memory and give it an address in the guest physical address
* space.
...
...
@@ -1964,6 +1913,57 @@ static int kvm_vm_ioctl_debug_guest(struct kvm *kvm,
return
r
;
}
/*
* Creates some virtual cpus. Good luck creating more than one.
*/
static
int
kvm_vm_ioctl_create_vcpu
(
struct
kvm
*
kvm
,
int
n
)
{
int
r
;
struct
kvm_vcpu
*
vcpu
;
r
=
-
EINVAL
;
if
(
!
valid_vcpu
(
n
))
goto
out
;
vcpu
=
&
kvm
->
vcpus
[
n
];
mutex_lock
(
&
vcpu
->
mutex
);
if
(
vcpu
->
vmcs
)
{
mutex_unlock
(
&
vcpu
->
mutex
);
return
-
EEXIST
;
}
vcpu
->
host_fx_image
=
(
char
*
)
ALIGN
((
hva_t
)
vcpu
->
fx_buf
,
FX_IMAGE_ALIGN
);
vcpu
->
guest_fx_image
=
vcpu
->
host_fx_image
+
FX_IMAGE_SIZE
;
r
=
kvm_arch_ops
->
vcpu_create
(
vcpu
);
if
(
r
<
0
)
goto
out_free_vcpus
;
r
=
kvm_mmu_create
(
vcpu
);
if
(
r
<
0
)
goto
out_free_vcpus
;
kvm_arch_ops
->
vcpu_load
(
vcpu
);
r
=
kvm_mmu_setup
(
vcpu
);
if
(
r
>=
0
)
r
=
kvm_arch_ops
->
vcpu_setup
(
vcpu
);
vcpu_put
(
vcpu
);
if
(
r
<
0
)
goto
out_free_vcpus
;
return
0
;
out_free_vcpus:
kvm_free_vcpu
(
vcpu
);
mutex_unlock
(
&
vcpu
->
mutex
);
out:
return
r
;
}
static
long
kvm_vm_ioctl
(
struct
file
*
filp
,
unsigned
int
ioctl
,
unsigned
long
arg
)
{
...
...
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