Messages in this thread | | | Date | Tue, 23 Jan 2001 12:38:42 -0600 | From | Timur Tabi <> | Subject | Re: ioremap_nocache problem? |
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** Reply to message from Roman Zippel <zippel@fh-brandenburg.de> on Tue, 23 Jan 2001 19:12:36 +0100 (MET)
> ioremap creates a new mapping that shouldn't interfere with MTRR, whereas > you can map a MTRR mapped area into userspace. But I'm not sure if it's > correct that no flag is set for boot_cpu_data.x86 <= 3...
I was under the impression that the "don't cache" bit that ioremap_nocache sets overrides any MTRR.
-- Timur Tabi - ttabi@interactivesi.com Interactive Silicon - http://www.interactivesi.com
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