linux-kernel - Re: [2.6 patch] blackfin: "extern inline" -> "static inline"

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Message-ID: <8bd0f97a0710250916v5d3f0166qbfacf4abb0fc3d45@mail.gmail.com>
Date:	Thu, 25 Oct 2007 12:16:40 -0400
From:	"Mike Frysinger" <vapier.adi@...il.com>
To:	"Adrian Bunk" <bunk@...nel.org>
Cc:	"H. Peter Anvin" <hpa@...or.com>,
	"Jie Zhang" <jzhang.linux@...il.com>, bryan.wu@...log.com,
	linux-kernel@...r.kernel.org
Subject: Re: [2.6 patch] blackfin: "extern inline" -> "static inline"

On 10/25/07, Adrian Bunk <bunk@...nel.org> wrote:
> On Wed, Oct 24, 2007 at 08:06:14PM -0700, H. Peter Anvin wrote:
> > Mike Frysinger wrote:
> >> we'll have to either use the gcc attributes to force old inline
> >> behavior or use the gcc flag to force it
> >
> > We should probably have an extern_inline define then, assuming this is a
> > function that does exist in a linkable version already -- otherwise "static
> > inline" is correct.
>
> Since we #define inline to be __attribute__((always_inline))
> "extern inline" with the old semantics would only behave differently
> if someone took the address of one of these string functions.

that isnt what we intended ;)

> Does this happen anywhere in the blackfin port?

gcc is also free to ignore the optimized inline in favor of an
external reference
-mike
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