From: Heiko Carstens <heiko.carstens@de.ibm.com>
To: David Miller <davem@davemloft.net>
Cc: jeremy@goop.org, hpa@zytor.com, kaos@ocs.com.au,
xyzzy@speakeasy.org, viro@ftp.linux.org.uk,
torvalds@linux-foundation.org, linux-kernel@vger.kernel.org,
linux-arch@vger.kernel.org
Subject: Re: [PATCH][RFC] getting rid of stupid loop in BUG()
Date: Wed, 25 Jul 2007 08:50:39 +0200 [thread overview]
Message-ID: <20070725065039.GA8555@osiris.boeblingen.de.ibm.com> (raw)
In-Reply-To: <20070724.232914.56812376.davem@davemloft.net>
On Tue, Jul 24, 2007 at 11:29:14PM -0700, David Miller wrote:
> From: Jeremy Fitzhardinge <jeremy@goop.org>
> Date: Tue, 24 Jul 2007 23:24:55 -0700
>
> > H. Peter Anvin wrote:
> > > How far back was __builtin_trap() supported?
> >
> > I think its relatively recent, but it might be within our supported
> > compiler window.
>
> I'm pretty sure it is.
We had this in include/asm-s390/bug.h to avoid compile errors with gcc 3.2:
+#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 3)
+ __builtin_trap();
+#else
+ asm volatile(".long 0");
+#endif
next prev parent reply other threads:[~2007-07-25 6:51 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-24 15:39 Al Viro
2007-07-24 16:56 ` Jeremy Fitzhardinge
2007-07-24 17:03 ` H. Peter Anvin
2007-07-24 17:14 ` Al Viro
2007-07-24 17:28 ` H. Peter Anvin
2007-07-24 18:58 ` Jeremy Fitzhardinge
2007-07-24 19:01 ` H. Peter Anvin
2007-07-24 19:13 ` Jeremy Fitzhardinge
2007-07-24 20:04 ` Al Viro
2007-07-24 21:14 ` Jeremy Fitzhardinge
2007-07-25 2:31 ` Trent Piepho
2007-07-25 2:50 ` Keith Owens
2007-07-25 5:09 ` H. Peter Anvin
2007-07-25 6:24 ` Jeremy Fitzhardinge
2007-07-25 6:29 ` David Miller
2007-07-25 6:50 ` Heiko Carstens [this message]
2007-07-25 16:56 ` Linus Torvalds
2007-07-25 17:00 ` Jeremy Fitzhardinge
2007-07-25 17:03 ` H. Peter Anvin
2007-07-25 17:19 ` Linus Torvalds
2007-07-25 17:25 ` Al Viro
2007-07-25 17:36 ` Jeremy Fitzhardinge
2007-07-25 19:35 ` David Miller
2007-07-25 20:26 ` H. Peter Anvin
2007-07-25 19:28 ` David Miller
2007-07-25 17:19 ` Al Viro
2007-07-25 17:22 ` H. Peter Anvin
2007-07-25 17:26 ` Al Viro
2007-07-25 17:35 ` David Howells
2007-07-25 17:41 ` Jeremy Fitzhardinge
2007-07-25 20:29 ` Chuck Ebbert
2007-07-25 20:37 ` H. Peter Anvin
2007-07-25 22:01 ` David Miller
2007-07-25 18:24 ` Linus Torvalds
2007-07-25 17:36 ` Al Viro
2007-07-25 17:44 ` Jeremy Fitzhardinge
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=20070725065039.GA8555@osiris.boeblingen.de.ibm.com \
--to=heiko.carstens@de.ibm.com \
--cc=davem@davemloft.net \
--cc=hpa@zytor.com \
--cc=jeremy@goop.org \
--cc=kaos@ocs.com.au \
--cc=linux-arch@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=torvalds@linux-foundation.org \
--cc=viro@ftp.linux.org.uk \
--cc=xyzzy@speakeasy.org \
/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
all inboxes | Powered by JetHome®