usb kthreads

[Kostik Belousov]

On Thu, Aug 13, 2009 at 12:30:02AM -0700, Andrew Thompson wrote:
> Hi,
> 
> 
> Here is an aesthetic patch to change the usb kernel processes to threads,
> this hides them from the usual 'ps' output. Please test and review.
> 
>  1290  ??  DL     0:00.00 [usbus0]
>  [lots and lots more...]
>  1309  ??  DL     0:00.00 [usbus4]
> 
> After the patch they can be seen as kernel threads.
> 
>   PID    TID COMM             TDNAME           CPU  PRI STATE   WCHAN    
>     0 100000 kernel           swapper            0   68 sleep   sched     
>     0 100009 kernel           firmware taskq     0   92 sleep   -         
>     0 100020 kernel           kqueue taskq       0   92 sleep   -         
>     0 100021 kernel           acpi_task_0        0   92 sleep   -         
>     0 100022 kernel           acpi_task_1        0   92 sleep   -         
>     0 100023 kernel           acpi_task_2        0   92 sleep   -         
>     0 100027 kernel           thread taskq       0   92 sleep   -         
>     0 100031 kernel           bwi0 taskq         0   16 sleep   -         
>     0 100032 kernel           bwi0 taskq         0   16 sleep   -         
>     0 100106 kernel           usbus0             0   20 sleep   wmsg      
>     0 100107 kernel           usbus0             0   16 sleep   wmsg      
>     0 100108 kernel           usbus0             0   20 sleep   wmsg      
>     0 100109 kernel           usbus0             0   20 sleep   wmsg      
>     [ ... ]
>     0 100127 kernel           usbus4             0   20 sleep   wmsg      
> 
Can you use this opportunity to change "wmsg" wait channel name
to something having "usb" in the name ?
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