On Thursday 29 June 2006 01:01, Milena Milenkovic wrote:
> Hi all,
>
> The mmu_cr4_features variable was "unexported" in 2.6.12 kernel
> (A patch submitted by Adrian Bunk, [2.6 patch] unexport mmu_cr4_features).
Normal policy is to unexport symbols that are not used in the core
kernel.
However I think there is a deprecation policy with prior
warning that might not have been followed here.
> However, this variable is needed if a loadable kernel module wants to
> enable
> access to performance counters from user space.
Ok I guess it's a reasonable request (although we will likely
eventually add a standard API for this and then it might
be removed again)
-Andi
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