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From: Christoph Hellwig <hch@lst.de>
To: "David S. Miller" <davem@redhat.com>,
	Paul Mackerras <paulus@samba.org>,
	torvalds@transmeta.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] fix ppc ioremap prototype
Date: Thu, 4 Sep 2003 11:51:28 +0200	[thread overview]
Message-ID: <20030904095128.GA16696@lst.de> (raw)
In-Reply-To: <20030904104801.A7387@flint.arm.linux.org.uk>

On Thu, Sep 04, 2003 at 10:48:01AM +0100, Russell King wrote:
> 2. The resource tree won't know about the upper bits or whatever sitting
>    in flags, and as such identical addresses on two different buses will
>    clash.
> 
> Resource start,end needs to be some unique quantity no matter which (PCI)
> bus you are on.

Yupp.  This makes me question again how the phys_addr_t thing is
supposed to work at all given struct resource uses unsigned long
for start and len, so the whole generic resource infrastructure
doesn't know about the higher bits...

Could someone point me a to a driver actually making use of the
extented ioremap address on ppc 44x?


  reply	other threads:[~2003-09-04  9:51 UTC|newest]

Thread overview: 53+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-09-03 20:32 [PATCH] fix ppc ioremap prototype Christoph Hellwig
2003-09-04  0:33 ` Paul Mackerras
2003-09-04  7:13   ` Christoph Hellwig
2003-09-04  7:25     ` David S. Miller
2003-09-04  7:30     ` Russell King
2003-09-04  7:38       ` Christoph Hellwig
2003-09-04  8:09         ` David S. Miller
2003-09-04  8:12           ` Linus Torvalds
2003-09-04  8:10             ` David S. Miller
2003-09-04  8:28               ` Christoph Hellwig
2003-09-04 10:06                 ` Benjamin Herrenschmidt
2003-09-04 11:03                 ` Paul Mackerras
2003-09-04 12:21                   ` Geert Uytterhoeven
2003-09-04 12:41                     ` Paul Mackerras
2003-09-04 12:41                       ` David S. Miller
2003-09-04 12:57                       ` Geert Uytterhoeven
2003-09-04 15:58                         ` Deepak Saxena
2003-09-04 16:15                           ` Geert Uytterhoeven
2003-09-04 16:36                           ` Jes Sorensen
2003-09-04 23:18                         ` Paul Mackerras
2003-09-05 20:56                           ` Geert Uytterhoeven
2003-09-04 16:41                     ` Linus Torvalds
2003-09-04 16:43                       ` David S. Miller
2003-09-04 17:06                         ` Linus Torvalds
2003-09-04 17:03                           ` David S. Miller
2003-09-04 17:16                             ` Linus Torvalds
2003-09-04 17:13                       ` Jeff Garzik
2003-09-04 17:24                         ` Linus Torvalds
2003-09-05  8:02                       ` Eric W. Biederman
2003-09-04  8:22             ` Christoph Hellwig
2003-09-04  9:29           ` Christoph Hellwig
2003-09-04 10:07             ` Benjamin Herrenschmidt
2003-09-04  9:21       ` Paul Mackerras
2003-09-04  9:36         ` David S. Miller
2003-09-04  9:48           ` Russell King
2003-09-04  9:51             ` Christoph Hellwig [this message]
2003-09-04 12:38               ` Paul Mackerras
2003-09-04 12:59             ` Paul Mackerras
2003-09-04 13:01               ` David S. Miller
2003-09-04 14:15                 ` Matt Porter
2003-09-04 14:12                   ` David S. Miller
2003-09-04 13:30               ` Russell King
2003-09-04 15:50               ` Deepak Saxena
2003-09-04 16:09                 ` David S. Miller
2003-09-04 10:34           ` Alan Cox
2003-09-04 10:33             ` David S. Miller
2003-09-04 12:42             ` Jeff Garzik
2003-09-04 12:43               ` David S. Miller
2003-09-04 14:36           ` Matt Porter
2003-09-04 14:30             ` David S. Miller
2003-09-04 15:26               ` Matt Porter
2003-09-04 16:03                 ` David S. Miller
2003-09-04 15:35             ` Linus Torvalds

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