From: Daniel Jacobowitz <drow@false.org>
To: linuxppc-dev@lists.linuxppc.org
Subject: Re: [patch] VRAM detection in controlfb
Date: Sun, 4 Jun 2000 10:48:44 -0700 [thread overview]
Message-ID: <20000604104844.A13914@quaketop.them.org> (raw)
In-Reply-To: <v04003a00b5602003688d@[24.66.67.194]>; from nicoya@apia.dhs.org on Sun, Jun 04, 2000 at 10:08:39AM -0500
On Sun, Jun 04, 2000 at 10:08:39AM -0500, Tony Mantler wrote:
> dcbi = data cache block invalidate. If you do this on a dirty cache block,
> data will be lost.
>
> dcbf = data cache block flush. If you do this on a block that isn't in a
> coherent state, data will be lost.
>
> If you have a block that's both dirty and incoherent... well, don't do that. :)
Ew. I wonder if that's our problem...
Dan
/--------------------------------\ /--------------------------------\
| Daniel Jacobowitz |__| SCS Class of 2002 |
| Debian GNU/Linux Developer __ Carnegie Mellon University |
| dan@debian.org | | dmj+@andrew.cmu.edu |
\--------------------------------/ \--------------------------------/
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next prev parent reply other threads:[~2000-06-04 17:48 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-05-31 22:43 [patch] VRAM detection in controlfb Michel Lanners
2000-06-01 0:57 ` Takashi Oe
2000-06-03 6:28 ` Michel Lanners
2000-06-03 7:13 ` Takashi Oe
2000-06-03 7:30 ` Geert Uytterhoeven
2000-06-03 8:49 ` Michel Dänzer
2000-06-03 9:22 ` Geert Uytterhoeven
2000-06-06 19:25 ` Michael Schmitz
2000-06-06 21:52 ` Michel Lanners
2000-06-03 7:38 ` Geert Uytterhoeven
2000-06-05 6:01 ` Michel Lanners
2000-06-04 0:09 ` Daniel Jacobowitz
2000-06-04 0:31 ` Ani Joshi
2000-06-04 13:55 ` Michel Lanners
2000-06-05 12:59 ` Michel Dänzer
2000-06-03 9:16 ` Franz Sirl
2000-06-04 7:09 ` Michel Lanners
2000-06-04 15:08 ` Tony Mantler
2000-06-04 17:48 ` Daniel Jacobowitz [this message]
2000-06-05 5:48 ` Michel Lanners
2000-06-05 12:40 ` Tony Mantler
2000-06-05 13:51 ` Michel Lanners
2000-06-05 14:15 ` Geert Uytterhoeven
2000-06-05 23:49 ` Tony Mantler
2000-06-06 5:15 ` Timothy A. Seufert
2000-06-06 19:49 ` Michael Schmitz
2000-06-06 21:58 ` Michel Lanners
2000-06-07 7:59 ` Geert Uytterhoeven
[not found] <20000607233456Z.roikawa@rr.iij4u.or.jp>
2000-06-07 15:10 ` Geert Uytterhoeven
2000-06-07 15:20 ` Michael Schmitz
2000-06-07 15:41 ` Geert Uytterhoeven
2000-06-07 15:58 ` Ryuichi Oikawa
2000-06-07 19:11 ` Geert Uytterhoeven
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