Re: [PATCH 1/1] ARM: oprofile: add A5/A7/A15 entries in op_perf_name

[Robert Richter]

On 20.11.12 17:08:17, Will Deacon wrote:
> > The advantage of a solution where userland updates cpu_type is that we
> > never need to update the kernel anymore. This means, cpu detection can
> > be part of the tools.
> 
> True, but the kernel-side perf code still needs updating to support the new
> CPU so I don't think you win much.

You also need perf support to use operf. If oprofile can update
cpu_type, the oprofile kernel interface would work for new hardware
without changes. We have support for both then, operf and opcontrol.

-Robert


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