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FollowupFollowupPosted Oct 14, 2010 3:05 UTC (Thu) by corbet (editor, #1)Parent article: ARM's multiply-mapped memory mess Since the article was posted, Linus has merged a patch re-enabling ioremap() on system RAM which emits a big, scary warning.
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Puzzled Posted Oct 14, 2010 6:24 UTC (Thu) by ebiederm (subscriber, #35028) [Link]
With PAT on x86 we don't seem to have that limitation.
Can't the ARM guys just generalize the hard work that happened on x86 to guarantee to pages never get mapped to userspace with different attributes?
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