Re: [F.A.Q.] perf ABI backwards and forwards compatibility

[Peter Zijlstra]

On Tue, 2011-11-08 at 11:22 +0100, Ingo Molnar wrote:
> 
> We do even more than that, the perf ABI is fully backwards *and* 
> forwards compatible: you can run older perf on newer ABIs and newer 
> perf on older ABIs. 

The ABI yes, the tool no, the tool very much relies on some newer ABI
parts. Supporting fallbacks isn't always possible/wanted.


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