From: Dan Malek <dan@embeddededge.com>
To: acurtis@directvinternet.com
Cc: Pantelis Antoniou <panto@intracom.gr>,
joakim.tjernlund@lumentis.se,
Tom Rini <trini@kernel.crashing.org>,
Paul Mackerras <paulus@au1.ibm.com>, Matt Porter <porter@cox.net>,
linuxppc-embedded@lists.linuxppc.org
Subject: Re: Regarding consistent_alloc
Date: Wed, 11 Dec 2002 22:32:21 -0500 [thread overview]
Message-ID: <3DF80345.4010808@embeddededge.com> (raw)
In-Reply-To: NCBBIINEHIPFGJPLBEIFCEPEDPAA.acurtis@directvinternet.com
acurtis@directvinternet.com wrote:
> As for a iova() routine, ioremap() will return a previously configured
> virtual address when asked to map the same physical memory space.
No, it does not. The ioremap() may do this in some cases on processors
that use BATs for large space mapping, but it usually (always on 8xx)
allocates new virtual space when mapping a physical address.
-- Dan
** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2002-12-12 3:32 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-12-06 13:18 Regarding consistent_alloc Pantelis Antoniou
2002-12-06 13:23 ` Pantelis Antoniou
2002-12-06 14:25 ` Joakim Tjernlund
2002-12-06 15:59 ` Matt Porter
2002-12-06 16:08 ` Joakim Tjernlund
2002-12-06 18:30 ` Matt Porter
2002-12-06 18:15 ` Joakim Tjernlund
2002-12-06 18:52 ` Matt Porter
2002-12-06 19:59 ` Dan Malek
2002-12-06 22:11 ` Joakim Tjernlund
2002-12-07 0:16 ` Paul Mackerras
2002-12-07 12:53 ` Joakim Tjernlund
2002-12-07 16:53 ` Dan Malek
2002-12-09 9:06 ` Pantelis Antoniou
2002-12-10 17:49 ` Tom Rini
2002-12-11 3:52 ` acurtis
2002-12-11 8:57 ` Joakim Tjernlund
2002-12-11 9:58 ` Pantelis Antoniou
2002-12-11 14:41 ` acurtis
2002-12-11 15:01 ` Pantelis Antoniou
2002-12-11 15:36 ` acurtis
2002-12-12 3:32 ` Dan Malek [this message]
2002-12-11 14:56 ` Tom Rini
2002-12-11 15:07 ` Pantelis Antoniou
2002-12-12 3:41 ` Dan Malek
2002-12-12 8:00 ` Pantelis Antoniou
2002-12-12 8:18 ` Wolfgang Denk
2002-12-12 8:37 ` Pantelis Antoniou
2002-12-12 12:56 ` Is the preemptive kernel patch unsafe for 8xx/PPC? Joakim Tjernlund
2002-12-12 18:28 ` Eugene Surovegin
2002-12-12 20:35 ` Joakim Tjernlund
2002-12-13 4:12 ` acurtis
2002-12-13 6:09 ` Eugene Surovegin
2002-12-13 7:47 ` Joakim Tjernlund
2002-12-16 14:41 ` acurtis
2002-12-13 4:08 ` acurtis
2002-12-12 16:53 ` "Missing" patches (Was: Re: Regarding consistent_alloc) Tom Rini
2002-12-06 16:56 ` Regarding consistent_alloc Dan Malek
2002-12-06 18:29 ` Matt Porter
2002-12-06 19:45 ` Dan Malek
2002-12-07 0:25 ` Paul Mackerras
2002-12-06 15:54 ` Matt Porter
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