[Xen-devel] PAE: config and file layout

[Karen White <kawhite@xxxxxxxxxx>]

To be able to add the PAE specific changes, we need to settle on a
#define for ifdefing around them in the core Xen code.

What about CONFIG_PAE?  We could add this to asm-x86/config.h if pae=y
is passed in on the make line (via Rules.mk)

New parallel files vs. ifdef existing files:

Has anyone settled on if the PAE code is going into the files under
xen/arch/x86/x86_32, using #ifdef's for PAE, or are you planning to add
a parallel directory to x86_32 and x86_64 under xen/arch?

Same question for headers.  Are you adding the 3-level page tables to
the existing include/asm-x86/x86_32/page.h using #ifdef's or adding a
new directory parallel to x86_32 and x86_64 which would have a new
page.h, etc?

Thanks,
Karen






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