Changes since -v2:
- drop sunrpc patch because of a preference for seq_printf() conversion
- fix available buffer size in vmcp patch
- add Acked-by: from maintainers
This series of patches is almost trivial replacement except for
introducing memory_read_from_buffer().
The only difference between memory_read_from_buffer() and
simple_read_from_buffer() is which address space the function copies to.
simple_read_from_buffer() copies to user space memory.
memory_read_from_buffer() copies to normal memory.
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