Linux MIPS Architecture development
 help / color / mirror / Atom feed
From: Ralf Baechle <ralf@linux-mips.org>
To: Klatt Uwe <U.Klatt@miwe.de>
Cc: "'linux-mips@linux-mips.org'" <linux-mips@linux-mips.org>
Subject: Re: Same mipsel binary für 2.4 and 2.6 kernel possible?
Date: Fri, 19 Sep 2008 12:34:33 +0200	[thread overview]
Message-ID: <20080919103433.GA14602@linux-mips.org> (raw)
In-Reply-To: <A1F06CF959C7E14EAC28F277F368175805686A8D6D@MAS15.arnstein.miwe.de>

On Fri, Sep 19, 2008 at 09:58:29AM +0200, Klatt Uwe wrote:

> I have a custom hardware (AU1100) with kernel 2.4 and an working binary using floats (compiled with gcc 3.3.5).
> Now I am testing with kernel 2.6.
> 
> When I use the old binary, float math isn't working anymore.
> I have to recompile the source with new gcc 4.1.2 but then the new binary is working only on kernel 2.6.

Are you using the kernel floating point emulator or a software floating
point library?

Whatever, it sounds like a bug.  The kernel is supposed to be backward
compatible with old binaries.

  Ralf

  parent reply	other threads:[~2008-09-19 10:34 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-09-19  7:58 Same mipsel binary für 2.4 and 2.6 kernel possible? Klatt Uwe
2008-09-19  9:42 ` [SPAM] " Markus Gothe
2008-09-19 10:34 ` Ralf Baechle [this message]
2008-09-19 10:56   ` AW: " Klatt Uwe
2008-09-19 13:28 ` Kevin D. Kissell
2008-09-19 13:40   ` AW: " Klatt Uwe

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=20080919103433.GA14602@linux-mips.org \
    --to=ralf@linux-mips.org \
    --cc=U.Klatt@miwe.de \
    --cc=linux-mips@linux-mips.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