For someone who wants to get their feet wet in the kernel, an relatively
easy task would be to clean up some of the cases where char * is used,
but const char * could be used instead.
For example, the ddi_log_sysevent(), ddi_create_minor_node(), and
similar interfaces take char * arguments, where const char * would be
sufficient. (IMO, the use of char * in these things makes it harder to
use const char * elsewhere, especially in device drivers.)
Another benefit is that the compiler can do better optimizations on some
of these routines. In places like ddi_log_sysevent() (and the
underlying structures and code), this could add up, especially on
particularly busy systems where a lot of sysevents are getting tossed
around.
There are probably a bunch more opportunities to cleanup char * -> const
char *, but if anyone wants to help out here, let me know. If I don't
hear any takers for this oss-bite-sized task (which doesn't have a CR at
the moment, I think), I might just do it myself.
-- Garrett
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