tschatzl [Thu, 11 Jan 2018 11:28:51 +0100] rev 48633
8129440: G1 crash during concurrent root region scan
Summary: Make concurrent memory accesses to oops on the heap volatile to avoid reloading by the compiler duplicating oop loading code.
Reviewed-by: ehelin, eosterlund
tschatzl [Thu, 11 Jan 2018 11:05:17 +0100] rev 48632
8180280: [TESTBUG] Test for JDK-8180048
Summary: Add test at is executed only at higher tiers to allow more time for execution.
Reviewed-by: kbarrett, eosterlund
tschatzl [Thu, 11 Jan 2018 10:40:01 +0100] rev 48631
8137099: G1 needs to "upgrade" GC within the safepoint if it can't allocate during that safepoint to avoid OoME
Summary: During a minor GC, if memory allocation fails, start a full GC within the same VM operation in the same safepoint. This avoids a race where the GC locker can prevent the full GC from occurring, and a premature OoME.
Reviewed-by: ehelin, sjohanss, phh
Contributed-by: thomas.schatzl@oracle.com, axel.siebenborn@sap.com
jgeorge [Thu, 11 Jan 2018 11:35:35 +0530] rev 48630
8193352: SA: Test for the clhsdb 'thread' and 'threads' commands
Summary: Test for the clhsdb 'thread' and 'threads' commands. Avoids an incorrect 'Couldn't find thread -a' being printed.
Reviewed-by: sspitsyn, sballal
gadams [Tue, 09 Jan 2018 13:58:30 -0500] rev 48629
6640188: Methods com.cun.attach.VirtualMachine.load... don't throw NullPointerxception
Reviewed-by: sspitsyn
eosterlund [Wed, 10 Jan 2018 18:04:56 +0100] rev 48628
8193063: Enabling narrowOop values for RawAccess accesses
Reviewed-by: pliden, kbarrett