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
next prev parent 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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