From: Linus Torvalds <torvalds@linux-foundation.org>
To: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: David Miller <davem@davemloft.net>,
hpa@zytor.com, kaos@ocs.com.au, xyzzy@speakeasy.org,
viro@ftp.linux.org.uk, 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 10:19:55 -0700 (PDT) [thread overview]
Message-ID: <alpine.LFD.0.999.0707251018280.3607@woody.linux-foundation.org> (raw)
In-Reply-To: <46A781A4.40103@goop.org>
On Wed, 25 Jul 2007, Jeremy Fitzhardinge wrote:
>
> No, not any more. The file and line info is out of line, in a separate
> section, indexed by the ud2a's eip.
That's irrelevant - the point is, we need to do the ud2 by hand, since we
need to control the code generation in order to associate the ud2 with the
proper file/linenr.
> The main problem with __builtin_trap is that there's no certain way to
> get the actual ud2a eip (ie, paste an asm label onto it).
Right. Which is why we need to do it as an inline asm.
Linus
next prev parent reply other threads:[~2007-07-25 17:20 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
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 [this message]
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
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