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From: Ralf Baechle <ralf@linux-mips.org>
To: "Maciej W. Rozycki" <macro@linux-mips.org>
Cc: linux-mips@linux-mips.org
Subject: Re: Fix fallback atomic operations
Date: Tue, 14 Jun 2005 08:23:39 +0100	[thread overview]
Message-ID: <20050614072339.GA5183@linux-mips.org> (raw)
In-Reply-To: <Pine.LNX.4.61L.0506132131030.1725@blysk.ds.pg.gda.pl>

On Mon, Jun 13, 2005 at 09:40:20PM +0100, Maciej W. Rozycki wrote:

>  You may argue it's best to define a private copy of "cpu_has_llsc"  
> expanding to a constant for selecting the right set of atomic operations 
> at the compilation time and I would agree, but AFAIK the whole idea behind 
> our current implementation is to provide a snail-speed fallback or perhaps 
> to support more generic configurations at one point (e.g. one kernel for 
> all DECstations).
> 
>  For most processor settings the current setup already works, as they 
> provide ll/sc anyway, but not for MIPS I ones, like the R3k.  Here's a 
> patch that makes the affected code work for such processors as well.
> 
>  OK to apply?

Go ahead.

Al had a bunch of other complaints which I'll try to take care of asap.

  Ralf

      reply	other threads:[~2005-06-14  7:26 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-06-13 20:40 Fix fallback atomic operations Maciej W. Rozycki
2005-06-14  7:23 ` Ralf Baechle [this message]

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