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From: Ralf Baechle <ralf@oss.sgi.com>
To: "Maciej W. Rozycki" <macro@ds2.pg.gda.pl>
Cc: "Kevin D. Kissell" <kevink@mips.com>,
	linux-mips@oss.sgi.com, Carsten Langgaard <carstenl@mips.com>,
	Michael Shmulevich <michaels@jungo.com>
Subject: Re: User applications
Date: Mon, 8 Jan 2001 14:27:29 -0200	[thread overview]
Message-ID: <20010108142729.D886@bacchus.dhis.org> (raw)
In-Reply-To: <Pine.GSO.3.96.1010108162406.23234I-100000@delta.ds2.pg.gda.pl>; from macro@ds2.pg.gda.pl on Mon, Jan 08, 2001 at 04:40:06PM +0100

On Mon, Jan 08, 2001 at 04:40:06PM +0100, Maciej W. Rozycki wrote:

> > than flushing the caches - so long as by "flush" we mean invalidate
> > with writeback (on copyback caches), of course.
> 
>  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.

  Ralf

  reply	other threads:[~2001-01-08 16:37 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-01-08  9:40 User applications Carsten Langgaard
2001-01-08 13:30 ` Michael Shmulevich
2001-01-08 13:52   ` Carsten Langgaard
2001-01-08 14:14   ` Kevin D. Kissell
2001-01-08 14:14     ` Kevin D. Kissell
2001-01-08 14:16     ` Carsten Langgaard
2001-01-08 16:03       ` Ralf Baechle
2001-01-08 15:07     ` Maciej W. Rozycki
2001-01-08 15:21       ` Kevin D. Kissell
2001-01-08 15:21         ` Kevin D. Kissell
2001-01-08 15:40         ` Maciej W. Rozycki
2001-01-08 16:27           ` Ralf Baechle [this message]
2001-01-08 16:43             ` Maciej W. Rozycki
2001-01-08 16:41               ` Ralf Baechle
2001-01-08 16:05       ` Ralf Baechle
2001-01-08 16:23         ` Carsten Langgaard
2001-01-08 16:30           ` Ralf Baechle
2001-01-08 16:50             ` Carsten Langgaard
2001-01-08 17:56               ` Maciej W. Rozycki
2001-01-08 16:40           ` Maciej W. Rozycki
2001-01-08 17:42             ` Ralf Baechle
2001-01-08 17:58               ` Maciej W. Rozycki
2001-01-09 11:49                 ` Michael Shmulevich
2001-01-09 12:15                   ` Geert Uytterhoeven
2001-01-09 12:17                   ` Alan Cox
2001-01-09 12:17                     ` Alan Cox
2001-01-09 13:00                   ` Maciej W. Rozycki
2001-01-08 16:34         ` Maciej W. Rozycki
2001-01-08 14:16   ` Maciej W. Rozycki
2001-01-08 16:25 ` Ralf Baechle

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