ysr [Wed, 10 Dec 2008 23:46:10 -0800] rev 1667
6782457: CMS: Livelock in CompactibleFreeListSpace::block_size()
6736295: SIGSEGV in product jvm, assertion "these are the only valid states during a mark sweep" in fastdebug
Summary: Restructured the code in the perm gen allocation retry loop so as to avoid "safepoint-blocking" on locks, in this case the Heap_lock, while holding uninitialized allocated heap storage.
Reviewed-by: apetrusenko, iveresov, jcoomes, jmasa, poonam
blacklion [Fri, 12 Dec 2008 10:19:39 -0800] rev 1666
Merge
blacklion [Thu, 11 Dec 2008 03:22:04 -0800] rev 1665
6639341: sometimes contended-exit event comes after contended-entered on another thread
Summary: DTrace probe "contended-exit" should be fired before unparking object, or context could be lost. Probe firing was moved to proper place.
Reviewed-by: coleenp, kamg
coleenp [Wed, 10 Dec 2008 15:14:29 -0800] rev 1664
6727377: VM stack guard pages on Windows should PAGE_READWRITE not PAGE_EXECUTE_READWRITE
Summary: Make reguard_stack change access to RW, not execute and use os::protect_memory with the new parameter when change needed to X.
Reviewed-by: acorn, jcoomes