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* Type-safe ioport callbacksAvi Kivity2010-11-211-0/+30
The current ioport callbacks are not type-safe, in that they accept an "opaque" pointer as an argument whose type must match the argument to the registration function; this is not checked by the compiler. This patch adds an alternative that is type-safe. Instead of an opaque argument, both registation and the callback use a new IOPort type. The callback then uses container_of() to access its main structures. Currently the old and new methods exist side by side; once the old way is gone, we can also save a bunch of memory since the new method requires one pointer per ioport instead of 6. Acked-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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