[PATCH 0/6] Create common VMWare host port communication macros v3

[Sinclair Yeh]

The first patch in this series creates three macros for communicating
with the host from a Linux guest.

Most of the subsequent patches convert the existing assembly code
to using these new macros.

Reviewed-by: Thomas Hellstrom <thellstrom@xxxxxxxxxx> (entire series)
Reviewed-by: Alok N Kataria <akataria@xxxxxxxxxx> (all except 4/6)
Acked-by: Xavier Deguillard <xdeguillard@xxxxxxxxxx> (6/6)

Signed-off-by: Sinclair Yeh <syeh@xxxxxxxxxx>

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v2
Updated the patchset with comments from reviews

v3
vmw_balloon.c's usage of the macro has changed since this series
was originally created in December 2015.  The updated macros
also addressed some of the variable initialization requirement
comments from earlier reviews.