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Re: User applications

To: "Maciej W. Rozycki" <macro@ds2.pg.gda.pl>
Subject: Re: User applications
From: Ralf Baechle <ralf@oss.sgi.com>
Date: Mon, 8 Jan 2001 14:41:11 -0200
Cc: "Kevin D. Kissell" <kevink@mips.com>, linux-mips@oss.sgi.com, Carsten Langgaard <carstenl@mips.com>, Michael Shmulevich <michaels@jungo.com>
In-reply-to: <Pine.GSO.3.96.1010108174155.23234M-100000@delta.ds2.pg.gda.pl>; from macro@ds2.pg.gda.pl on Mon, Jan 08, 2001 at 05:43:24PM +0100
References: <20010108142729.D886@bacchus.dhis.org> <Pine.GSO.3.96.1010108174155.23234M-100000@delta.ds2.pg.gda.pl>
Sender: owner-linux-mips@oss.sgi.com
User-agent: Mutt/1.2.5i
On Mon, Jan 08, 2001 at 05:43:24PM +0100, Maciej W. Rozycki wrote:

> > >  What's wrong with cacheflush(addr, count, which) that actually checks if
> > > <addr; addr+count> lies within the caller's address space before
> > > performing the flush and returns -EPERM otherwise?  It would make the
> > > caller crawl like a turtle if it wished to but it would leave other
> > > processes alone. 
> > 
> > cacheflush(2) actually is supposed to handle things that way.
> 
>  Didn't I write it clearly-enough? ;-) 

return -EOVERBLOODINCAFFEIN;

  Ralf

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