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From: Russell King <rmk+lkml@arm.linux.org.uk>
To: Haavard Skinnemoen <hskinnemoen@atmel.com>
Cc: Andrew Morton <akpm@osdl.org>,
	linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org
Subject: Re: [PATCH 4/14] Generic ioremap_page_range: arm conversion
Date: Mon, 14 Aug 2006 08:19:56 +0100	[thread overview]
Message-ID: <20060814071955.GA26225@flint.arm.linux.org.uk> (raw)
In-Reply-To: <11552258272417-git-send-email-hskinnemoen@atmel.com>

On Thu, Aug 10, 2006 at 06:03:36PM +0200, Haavard Skinnemoen wrote:
> From: Russell King <rmk@arm.linux.org.uk>
> 
> Convert ARM to use generic ioremap_page_range()

NAK.  There are already issues with using the xxx_kernel variants of
the page table functions for IO mappings on later architectures (caused
by speculative loads hitting IO regions.)  This code needs to change
slightly so that we have xxx_io versions of pte_alloc and friends.

(It also means that we need an ioremap region and a separate vmalloc
region on ARM...)

-- 
Russell King
 Linux kernel    2.6 ARM Linux   - http://www.arm.linux.org.uk/
 maintainer of:  2.6 Serial core

  parent reply	other threads:[~2006-08-14  7:20 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-08-10 16:03 [PATCH 0/14] Generic ioremap_page_range: introduction Haavard Skinnemoen
2006-08-10 16:03 ` [PATCH 1/14] Generic ioremap_page_range: implementation Haavard Skinnemoen
2006-08-10 16:03   ` [PATCH 2/14] Generic ioremap_page_range: flush_cache_vmap Haavard Skinnemoen
2006-08-10 16:03     ` [PATCH 3/14] Generic ioremap_page_range: alpha conversion Haavard Skinnemoen
2006-08-10 16:03       ` [PATCH 4/14] Generic ioremap_page_range: arm conversion Haavard Skinnemoen
2006-08-10 16:03         ` [PATCH 5/14] Generic ioremap_page_range: avr32 conversion Haavard Skinnemoen
2006-08-10 16:03           ` [PATCH 6/14] Generic ioremap_page_range: cris conversion Haavard Skinnemoen
2006-08-10 16:03             ` [PATCH 7/14] Generic ioremap_page_range: i386 conversion Haavard Skinnemoen
2006-08-10 16:03               ` [PATCH 8/14] Generic ioremap_page_range: m32r conversion Haavard Skinnemoen
2006-08-10 16:03                 ` [PATCH 9/14] Generic ioremap_page_range: mips conversion Haavard Skinnemoen
2006-08-10 16:03                   ` [PATCH 10/14] Generic ioremap_page_range: parisc conversion Haavard Skinnemoen
2006-08-10 16:03                     ` [PATCH 11/14] Generic ioremap_page_range: s390 conversion Haavard Skinnemoen
2006-08-10 16:03                       ` [PATCH 12/14] Generic ioremap_page_range: sh conversion Haavard Skinnemoen
2006-08-10 16:03                         ` [PATCH 13/14] Generic ioremap_page_range: sh64 conversion Haavard Skinnemoen
2006-08-10 16:03                           ` [PATCH 14/14] Generic ioremap_page_range: x86_64 conversion Haavard Skinnemoen
2006-08-10 16:54                             ` Andi Kleen
2006-08-10 16:53               ` [PATCH 7/14] Generic ioremap_page_range: i386 conversion Andi Kleen
2006-08-10 17:39                 ` Håvard Skinnemoen
2006-08-14  7:19         ` Russell King [this message]
2006-08-10 18:42 ` [PATCH 0/14] Generic ioremap_page_range: introduction Håvard Skinnemoen
2006-08-10 18:51   ` Andrew Morton
2006-08-10 18:56     ` Haavard Skinnemoen

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