K 10 svn:author V 3 jhb K 8 svn:date V 27 2009-03-10T18:57:10.856305Z K 7 svn:log V 375 MFC: Expand the scope of the sysctllock sx lock to protect the sysctl tree itself. This also includes changes to the ia64 machine check code to defer adding machine check records to the sysctl tree, removing Giant from the CAM code that created dynamic sysctls, and tweaking the teardown of da(4) and cd(4) peripheral devices to not hold locks when freeing the sysctl tree. END