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
prev parent 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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