6901962 Tickless clock made tcp confuse 32 and 64 bit timestamps 6902263 latent struct sizing bug in clock_init()

PSARC/2009/396 Tickless Kernel Architecture / lbolt decoupling 6860030 tickless clock requires a clock() decoupled lbolt / lbolt64 Portions contributed by Chad Mynhier <cmynhier@gmail.com>

6811269 The clock tick accounting code uses softints wrongly 6802283 hang in delay() called from glm during boot 6810916 sparc system repeatedly hangs doing mpt tasks 6811294 APIs like nanosleep() wakeup prematurely when system time is changed 6809548 assertion failure expiration > 0 in callout.c

6619224 Tick accounting needs to be made scalable