From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Kanoj Sarcar <kanoj@google.engr.sgi.com>
Cc: "David S. Miller" <davem@redhat.com>,
alan@lxorguk.ukuu.org.uk, sct@redhat.com, roman@augan.com,
linux-mm@kvack.org, linux-kernel@vger.rutgers.edu,
rmk@arm.linux.org.uk, nico@cam.org, davidm@hpl.hp.com
Subject: Re: pte_pagenr/MAP_NR deleted in pre6
Date: Thu, 17 Aug 2000 20:56:05 +0100 (BST) [thread overview]
Message-ID: <E13PVlo-0003bV-00@the-village.bc.nu> (raw)
In-Reply-To: <200008171950.MAA45378@google.engr.sgi.com> from "Kanoj Sarcar" at Aug 17, 2000 12:50:40 PM
> So, unlike system vendors adding in dma mapping registers for PCI32
> devices to dma anywhere into their >32 bit physical address space, you
> are assuming no vendor will ever have a mapping scheme for ISA devices
> that let them get over the 16MB mark?
They did. Even on a few x86 boards. Supporting those bits of weirdness are
not important. If the ISA 16Mb window is offset someone can wrap it in their
arch specific isa_alloc_consistent code..
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next prev parent reply other threads:[~2000-08-17 19:56 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-08-10 17:18 Kanoj Sarcar
2000-08-11 2:24 ` David S. Miller
2000-08-14 0:34 ` Anton Blanchard
2000-08-11 11:50 ` Roman Zippel
2000-08-11 13:20 ` Russell King
2000-08-11 14:56 ` Roman Zippel
2000-08-12 9:18 ` Bjorn Wesen
2000-08-11 17:21 ` Kanoj Sarcar
2000-08-14 9:29 ` Roman Zippel
2000-08-15 16:19 ` Stephen C. Tweedie
2000-08-16 8:25 ` Roman Zippel
2000-08-16 17:13 ` Kanoj Sarcar
2000-08-16 18:20 ` Stephen C. Tweedie
2000-08-16 18:24 ` David S. Miller
2000-08-16 19:53 ` Stephen C. Tweedie
2000-08-16 18:47 ` Kanoj Sarcar
2000-08-16 18:39 ` David S. Miller
2000-08-16 19:30 ` Stephen C. Tweedie
2000-08-16 22:22 ` Kanoj Sarcar
2000-08-17 9:11 ` Stephen C. Tweedie
2000-08-17 19:07 ` Kanoj Sarcar
2000-08-17 19:01 ` David S. Miller
2000-08-17 19:19 ` Alan Cox
2000-08-17 19:20 ` David S. Miller
2000-08-17 19:33 ` Alan Cox
2000-08-17 19:36 ` Kanoj Sarcar
2000-09-07 14:31 ` Ralf Baechle
2000-08-17 19:50 ` Kanoj Sarcar
2000-08-17 19:41 ` David S. Miller
2000-09-07 14:26 ` Ralf Baechle
2000-08-17 19:56 ` Alan Cox [this message]
2000-08-17 19:24 ` Alan Cox
2000-08-17 19:32 ` Kanoj Sarcar
2000-08-17 19:30 ` David S. Miller
2000-08-17 20:00 ` Kanoj Sarcar
2000-08-16 18:17 ` Stephen C. Tweedie
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