On Mon, 4 Apr 2011, Alexander Bluhm wrote:

> On Mon, Apr 04, 2011 at 08:06:57PM +0200, Pascal Stumpf wrote:
> > net/pf.c:   pf_addr_compare (was probably ok before r1.729)
> 
> The current implementation has been discussed.  See also:
> http://www.greenend.org.uk/rjk/2003/03/inline.html
> 
> The function should be inline within pf.c and callable from pf_norm.c.
> Defining it inline in pf.c allows faster code there, declaring it
> non-inline in pfvar.h creates callable code in pf.o.  gcc always
> generates callable code, so it does not matter here.
> 
> Do pcc and clang compile and link if you put an inline in the pfvar.h
> declaration?

clang trunk v128001 has no problem if I __inline in pfvar.h.

FYI, I am running on a kernel built using that clang revision.

> 
> > Do those *have* to be inline?
> 
> Yes, pf_addr_compare() is used in pf state lookup.  So it must be
> fast.  The generated RB functions use it inline.
> 
> bluhm

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