sparse warnings on undeclared asmlinkage

[Ben Dooks]

I was reviewing the sparse output for the current kernel release and
note there are a number of warnings about un-declared functions which
are only used for code in assembly.

I was wondering if we should just ignore those, and have either a
new attribute for "undeclared is ok" or to make spare just ignore
anything with the syscall_linkage attribute?

--
Ben Dooks				http://www.codethink.co.uk/
Senior Engineer				Codethink - Providing Genius

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