K 10
svn:author
V 2
br
K 8
svn:date
V 27
2018-08-02T12:12:13.031969Z
K 7
svn:log
V 224
o Don't overwrite tp in fork_trampoline().
o Save and restore tp in cpu_switch().
o Restore tp in cpu_throw().
o Save tp in savectx().

This makes libthr tests happy. In particular fork_test:fork.

Sponsored by:	DARPA, AFRL

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