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From: Harald Koerfgen <hkoerfg@web.de>
To: Jun Sun <jsun@mvista.com>, "H . J . Lu" <hjl@lucon.org>
Cc: linux-mips@oss.sgi.com
Subject: Re: A new mips toolchain is available
Date: Wed, 13 Jun 2001 22:55:00 +0200	[thread overview]
Message-ID: <01061322550001.00617@intel> (raw)
In-Reply-To: <3B27B56F.65BAE189@mvista.com>

On Wednesday 13 June 2001 20:48, Jun Sun wrote:
> The latest CVS tree removed MIPS_ATOMIC_SET for CPUs without ll/sc.  See
> the diff below.

[diff snipped]

> It seems that the checkin is a mistake because apparently it is not what
> linux-vr is doing.  They used to have a piece of code for CPUs without
> ll/sc. And recently they moved to ll/sc instruction emulation.

Well, you seem to have a different linux-vr tree than I do :-)

> Ralf, the following patch includes the original vr code for
> MIPS_ATOMIC_SET, no ll/sc case.  Although we all know it is buggy (for
> small negative set values), it is still better than nothing.

Anyway, the linux-vr source tree has a partially working ll/sc emulation, at 
least enough for glibc, and MIPS_ATOMIC_SET is not neccessarily needed.
In fact, MIPS_ATOMIC_SET has been removed from the vr tree.

Regards,
Harald

  reply	other threads:[~2001-06-14  7:44 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-06-12  4:03 A new mips toolchain is available H . J . Lu
2001-06-12 11:39 ` Ralf Baechle
2001-06-12 16:40   ` H . J . Lu
2001-06-12 19:11     ` Ralf Baechle
2001-06-12 19:38       ` H . J . Lu
2001-06-13  7:57 ` Maciej W. Rozycki
2001-06-13 15:08   ` H . J . Lu
2001-06-13 15:22     ` Maciej W. Rozycki
2001-06-13 15:24       ` H . J . Lu
2001-06-13 15:39         ` Maciej W. Rozycki
2001-06-13 15:44           ` H . J . Lu
2001-06-13 18:48             ` Jun Sun
2001-06-13 20:55               ` Harald Koerfgen [this message]
2001-06-14 10:26                 ` Maciej W. Rozycki

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