diff options
| author |   Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> | 2015-07-07 12:21:10 -0400 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2015-07-08 15:18:04 +1000 |
| commit | 442053e57a4fc58b719b6ceab60f29ef9cf4404c (patch) | |
| tree | 4324bb8ef8837bdf25870b7fdcf574f98e449bc1 /arch/powerpc | |
| parent | cxl: Fix off by one error allowing subsequent mmap page to be accessed (diff) | |
| download | linux-dev-442053e57a4fc58b719b6ceab60f29ef9cf4404c.tar.xz linux-dev-442053e57a4fc58b719b6ceab60f29ef9cf4404c.zip | |
powerpc/perf/24x7: Fix lockdep warning
The sysfs attributes for the 24x7 counters are dynamically allocated.
Initialize the attributes using sysfs_attr_init() to fix following
warning which occurs when CONFIG_DEBUG_LOCK_VMALLOC=y.
[ 0.346249] audit: initializing netlink subsys (disabled)
[ 0.346284] audit: type=2000 audit(1436295254.340:1): initialized
[ 0.346489] BUG: key c0000000efe90198 not in .data!
[ 0.346491] DEBUG_LOCKS_WARN_ON(1)
[ 0.346502] ------------[ cut here ]------------
[ 0.346504] WARNING: at ../kernel/locking/lockdep.c:3002
[ 0.346506] Modules linked in:
Reported-by: Gustavo Luiz Duarte <gustavold@linux.vnet.ibm.com>
Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Tested-by: Gustavo Luiz Duarte <gustavold@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/perf/hv-24x7.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/perf/hv-24x7.c b/arch/powerpc/perf/hv-24x7.c index ec2eb20631d1..df956295c2a7 100644 --- a/arch/powerpc/perf/hv-24x7.c +++ b/arch/powerpc/perf/hv-24x7.c @@ -320,6 +320,8 @@ static struct attribute *device_str_attr_create_(char *name, char *str) if (!attr) return NULL; + sysfs_attr_init(&attr->attr.attr); + attr->var = str; attr->attr.attr.name = name; attr->attr.attr.mode = 0444; |