Re: sections mismatch detection

From: Michal Marek
Date: Fri Jan 08 2010 - 08:19:02 EST

Sam Ravnborg napsal(a):
>> I would prefer to see (logically) the same section mismatch not be
>> reported multiple times, even though they are in different binary
>> files. This would reduce the noise level quite a bit IMO.
> That would be nice but is not trivially doable.
> We need to discover when there is a section mismatch
> resulting from for example a function in kernel/*
> calling a function in arch/$ARCH/kernel so we
> need to execute the check on multiple levels
> i order to catch the bugs as early as possible.
> The easy 'fix' would be to execute the check only
> on vmlinux.o (default behaviour) but the added
> checks with the option enabled allows us to
> be much more precise in reporting where
> the section mismatch originate from.

But we could remember the (caller,callee) pairs and only emit the first
warning. Or am I missing something?

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