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Re: [patch] ip27's _flush_cache_all uninitialized

To: Andrew Clausen <clausen@melbourne.sgi.com>
Subject: Re: [patch] ip27's _flush_cache_all uninitialized
From: Ralf Baechle <ralf@linux-mips.org>
Date: Fri, 14 Feb 2003 03:36:36 +0100
Cc: Linux-MIPS <linux-mips@linux-mips.org>
In-reply-to: <20030214022118.GM8408@pureza.melbourne.sgi.com>; from clausen@melbourne.sgi.com on Fri, Feb 14, 2003 at 01:21:18PM +1100
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References: <20030213060017.GL8408@pureza.melbourne.sgi.com> <20030214025835.A5760@linux-mips.org> <20030214022118.GM8408@pureza.melbourne.sgi.com>
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On Fri, Feb 14, 2003 at 01:21:18PM +1100, Andrew Clausen wrote:

> On Fri, Feb 14, 2003 at 02:58:35AM +0100, Ralf Baechle wrote:
> > > I'm not sure what the best solution is, but this makes things work:
> > 
> > And is guaranateed to crawl.  flush_cache_all() is a no-op for the R10k.
> 
> Right-o.  But who cares?  Apparently it almost never gets called.
> 
> Also, I couldn't find any documentation on what callers of
> flush_cache_all() expect...

Documentation/cachetlb.txt - but it takes alot of reading between the lines
that is reading of the generic mm code to understand that document.

  Ralf

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