Re: [PATCH v4] MIPS: Make CP0 config registers readable via sysfs.

["Maciej W. Rozycki" <macro@linux-mips.org>]

On Thu, 13 Dec 2012, Steven J. Hill wrote:

> Allow reading of CP0 config registers via sysfs for each core
> in the system. The registers will show up in sysfs at the path:
> 
>    /sys/devices/system/cpu/cpuX/configX

 You're exporting privileged context outside the kernel -- have all the 
security implications been considered?  At the very least I don't think 
these files should be word-readable.

  Maciej