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nexedi
linux
Commits
36ac829e
Commit
36ac829e
authored
Sep 28, 2009
by
Ralf Baechle
Browse files
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Plain Diff
MIPS: Sibyte: Get rid of BKL.
Signed-off-by:
Ralf Baechle
<
ralf@linux-mips.org
>
parent
553d6d5f
Changes
1
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1 changed file
with
15 additions
and
18 deletions
+15
-18
arch/mips/sibyte/common/sb_tbprof.c
arch/mips/sibyte/common/sb_tbprof.c
+15
-18
No files found.
arch/mips/sibyte/common/sb_tbprof.c
View file @
36ac829e
...
@@ -403,36 +403,31 @@ static int sbprof_zbprof_stop(void)
...
@@ -403,36 +403,31 @@ static int sbprof_zbprof_stop(void)
static
int
sbprof_tb_open
(
struct
inode
*
inode
,
struct
file
*
filp
)
static
int
sbprof_tb_open
(
struct
inode
*
inode
,
struct
file
*
filp
)
{
{
int
minor
;
int
minor
;
int
err
=
0
;
lock_kernel
();
minor
=
iminor
(
inode
);
minor
=
iminor
(
inode
);
if
(
minor
!=
0
)
{
if
(
minor
!=
0
)
err
=
-
ENODEV
;
return
-
ENODEV
;
goto
out
;
}
if
(
xchg
(
&
sbp
.
open
,
SB_OPENING
)
!=
SB_CLOSED
)
{
if
(
xchg
(
&
sbp
.
open
,
SB_OPENING
)
!=
SB_CLOSED
)
err
=
-
EBUSY
;
return
-
EBUSY
;
goto
out
;
}
memset
(
&
sbp
,
0
,
sizeof
(
struct
sbprof_tb
));
memset
(
&
sbp
,
0
,
sizeof
(
struct
sbprof_tb
));
sbp
.
sbprof_tbbuf
=
vmalloc
(
MAX_TBSAMPLE_BYTES
);
sbp
.
sbprof_tbbuf
=
vmalloc
(
MAX_TBSAMPLE_BYTES
);
if
(
!
sbp
.
sbprof_tbbuf
)
{
if
(
!
sbp
.
sbprof_tbbuf
)
{
err
=
-
ENOMEM
;
sbp
.
open
=
SB_CLOSED
;
goto
out
;
wmb
();
return
-
ENOMEM
;
}
}
memset
(
sbp
.
sbprof_tbbuf
,
0
,
MAX_TBSAMPLE_BYTES
);
memset
(
sbp
.
sbprof_tbbuf
,
0
,
MAX_TBSAMPLE_BYTES
);
init_waitqueue_head
(
&
sbp
.
tb_sync
);
init_waitqueue_head
(
&
sbp
.
tb_sync
);
init_waitqueue_head
(
&
sbp
.
tb_read
);
init_waitqueue_head
(
&
sbp
.
tb_read
);
mutex_init
(
&
sbp
.
lock
);
mutex_init
(
&
sbp
.
lock
);
sbp
.
open
=
SB_OPEN
;
sbp
.
open
=
SB_OPEN
;
wmb
();
out:
return
0
;
unlock_kernel
();
return
err
;
}
}
static
int
sbprof_tb_release
(
struct
inode
*
inode
,
struct
file
*
filp
)
static
int
sbprof_tb_release
(
struct
inode
*
inode
,
struct
file
*
filp
)
...
@@ -440,7 +435,7 @@ static int sbprof_tb_release(struct inode *inode, struct file *filp)
...
@@ -440,7 +435,7 @@ static int sbprof_tb_release(struct inode *inode, struct file *filp)
int
minor
;
int
minor
;
minor
=
iminor
(
inode
);
minor
=
iminor
(
inode
);
if
(
minor
!=
0
||
!
sbp
.
open
)
if
(
minor
!=
0
||
sbp
.
open
!=
SB_CLOSED
)
return
-
ENODEV
;
return
-
ENODEV
;
mutex_lock
(
&
sbp
.
lock
);
mutex_lock
(
&
sbp
.
lock
);
...
@@ -449,7 +444,8 @@ static int sbprof_tb_release(struct inode *inode, struct file *filp)
...
@@ -449,7 +444,8 @@ static int sbprof_tb_release(struct inode *inode, struct file *filp)
sbprof_zbprof_stop
();
sbprof_zbprof_stop
();
vfree
(
sbp
.
sbprof_tbbuf
);
vfree
(
sbp
.
sbprof_tbbuf
);
sbp
.
open
=
0
;
sbp
.
open
=
SB_CLOSED
;
wmb
();
mutex_unlock
(
&
sbp
.
lock
);
mutex_unlock
(
&
sbp
.
lock
);
...
@@ -583,7 +579,8 @@ static int __init sbprof_tb_init(void)
...
@@ -583,7 +579,8 @@ static int __init sbprof_tb_init(void)
}
}
tb_dev
=
dev
;
tb_dev
=
dev
;
sbp
.
open
=
0
;
sbp
.
open
=
SB_CLOSED
;
wmb
();
tb_period
=
zbbus_mhz
*
10000LL
;
tb_period
=
zbbus_mhz
*
10000LL
;
pr_info
(
DEVNAME
": initialized - tb_period = %lld
\n
"
,
pr_info
(
DEVNAME
": initialized - tb_period = %lld
\n
"
,
(
long
long
)
tb_period
);
(
long
long
)
tb_period
);
...
...
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