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Signed-off-by: Nicholas Chin <nic.c3.14@gmail.com>
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The pio.h header, although present on NetBSD, is not necessary, as it
only declares x86 port IO inx()/outx() functions which are not actually
implemented.
Signed-off-by: Nicholas Chin <nic.c3.14@gmail.com>
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The x86 port IO instructions do not access memory so it is not
needed in the clobber list.
Signed-off-by: Nicholas Chin <nic.c3.14@gmail.com>
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This more accurately describes the scope of the utility.
Signed-off-by: Nicholas Chin <nic.c3.14@gmail.com>
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