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[LINUX] /proc/iomem should not be initialised from pseudophysical e820 map.
authorkaf24@firebug.cl.cam.ac.uk <kaf24@firebug.cl.cam.ac.uk>
Thu, 31 Aug 2006 02:05:40 +0000 (03:05 +0100)
committerkaf24@firebug.cl.cam.ac.uk <kaf24@firebug.cl.cam.ac.uk>
Thu, 31 Aug 2006 02:05:40 +0000 (03:05 +0100)
commit1a1adcfe49f607f2967157b80fe2f626377a0ff4
treee357208fc4ffebba9f44fee735458365674ff8eftree | snapshot
parent8a1ca3b97e518d0f3eb2f0f82f19da84351a5466commit | diff
[LINUX] /proc/iomem should not be initialised from pseudophysical e820 map.
This is because it should only contain real I/O memory address ranges,
otherwise we can get false conflicts between a real I/O range and a
'pseudophysical' RAM range, causing drivers to fail to work in a domU.
Also prevent kernel code/data being requested as iomem resources --
they are not contiguous in 'io memory' space so this would not make
sense.

Signed-off-by: Keir Fraser <keir@xensource.com>
linux-2.6-xen-sparse/arch/i386/kernel/setup-xen.c diff | blob | history
linux-2.6-xen-sparse/arch/x86_64/kernel/e820-xen.c diff | blob | history
linux-2.6-xen-sparse/arch/x86_64/kernel/setup-xen.c diff | blob | history
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