Re: [PATCH 4/4] compat: add some tracing backport work

From: Johannes Berg
Date: Mon Mar 26 2012 - 04:49:29 EST

On Wed, 2012-03-21 at 21:29 -0700, Luis R. Rodriguez wrote:

> But no dice. I then figured it may be my kernel with
> CONFIG_TRACEPOINTS=y and indeed that is the case -- so we have to
> consider the case where the target kernel may have tracing enabled and
> we have to disable it somehow. Undef'ing CONFIG_TRACEPOINTS and
> DECLARE_TRACE doesn't really do it.

Oh, ok, yuck. So I guess we can't easily disable tracing if it's enabled
in the base kernel ...

> We may need to redefine each macro to some COMPAT_TRACE_ macro, not sure yet.

That would require patches again though, no fun either.


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