From: "H. Peter Anvin" <hpa@zytor.com>
To: Tim Bird <tim.bird@am.sony.com>
Cc: linux kernel <linux-kernel@vger.kernel.org>
Subject: Re: Is extern inline -> static inline OK?
Date: Fri, 06 Aug 2004 15:29:23 -0700 [thread overview]
Message-ID: <41140643.70704@zytor.com> (raw)
In-Reply-To: <41140654.3060609@am.sony.com>
Tim Bird wrote:
>
> Thanks!
>
> From what I have read, for either 'extern inline' or 'static inline'
> the compiler is free to not inline the code. Is this wrong?
>
> It is my understanding that...
> In the 'static inline' case the compiler may create a function in the
> local compilation unit. But in the 'extern inline' case an extern
> non-inline function must exist. If the compiler decides not to inline
> the function, and a non-inline function does not exist, you get a linker
> error. Are you saying that, therefore, 'extern inline' functions are
> used (without definition of extern non-inline functions to back them)
> in order to guarantee that NO non-inline version of the function exists?
>
Yes; the final link will fail with an undefined symbol if "extern inline"
fails to inline.
-=hpa
next prev parent reply other threads:[~2004-08-06 22:30 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-06 0:39 Is extern inline -> static inline OK? Tim Bird
2004-08-06 0:58 ` H. Peter Anvin
2004-08-06 22:29 ` Tim Bird
2004-08-06 22:29 ` H. Peter Anvin [this message]
[not found] ` <20040806070027.GA20642@twiddle.net>
2004-08-06 18:57 ` Tim Bird
2004-08-07 2:41 ` Richard Henderson
[not found] <2q0Wb-2Tc-17@gated-at.bofh.it>
[not found] ` <2q1pe-3hq-17@gated-at.bofh.it>
[not found] ` <2qlo1-wO-37@gated-at.bofh.it>
2004-08-06 23:26 ` Andi Kleen
2004-08-07 1:26 ` Adrian Bunk
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=41140643.70704@zytor.com \
--to=hpa@zytor.com \
--cc=linux-kernel@vger.kernel.org \
--cc=tim.bird@am.sony.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox