Re: [PATCH] base firmware: Fix BUG from sysfs attributes change incommit a2db6842873c8e5a70652f278d469128cb52db70

[Larry Finger]

On 03/13/2010 04:32 PM, Linus Torvalds wrote:
> 
> 
> On Sat, 13 Mar 2010, Larry Finger wrote:
>>
>> Commit a2db6842873c8e5a70652f278d469128cb52db70 changed the way that
>> sysfs attributes are handled. With lockdep checking enabled, a firmware
>> loading request from b43 generates the following BUG:
>>
>> BUG: key ffff8800b85f4870 not in .data!
>> ------------[ cut here ]------------
>> WARNING: at kernel/lockdep.c:2706 lockdep_init_map+0x236/0x5d0()
> 
> I don't think we can fix these problems this way.
> 
> Lookie here:
> 
> 	[torvalds@i5 linux]$ git grep sysfs_create_bin_file | wc
> 	     68     319    5999
> 	[torvalds@i5 linux]$ git grep sysfs_bin_attr_init | wc
> 	      8      24     522
> 
> and you sent in patches to fix _two_ of the remaining 60 cases.

Those are the two that showed up on my machine, and as Jiri says, not all 68
will be needed. I need them to see any lockdep problems on the driver I'm
developing. I'll watch for developments.

Larry

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/