Re: [PATCH v2] trace: Add x86 irq vector entry/exit tracepoints

[H. Peter Anvin]

On 07/06/2011 04:56 PM, Frederic Weisbecker wrote:
> And even if tracepoints are not supposed to be stable ABI (I actually believe there
> is no absolute answer to that, it depends on the tracepoint and on the context),
> tools are much happier with a common tracepoint interface amongst archs.

What you're suggesting here is an ad hoc ABI.  This is insanely
irresponsible -- ABIs need to be designed, not randomly appeared.

	-hpa
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