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comparison src/share/vm/runtime/globals.hpp @ 8845:1b90c7607451

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2178143: JVM crashes if the number of bound CPUs changed during runtime Summary: Supply a new flag -XX:+AssumeMP to workaround the problem. With the flag is turned on, assume VM run on MP platform so is_MP() will return true that sync calls will not skip away. Reviewed-by: dholmes, acorn, dcubed, jmasa Contributed-by: yumin.qi@oracle.com
author minqi
date Wed, 27 Mar 2013 17:03:19 -0700
parents 36376b540a98
children 0c039865ef2b
comparison
equal deleted inserted replaced
8839:b601102d00c8 8845:1b90c7607451
455 "Print compressed oops base address and encoding mode") \ 455 "Print compressed oops base address and encoding mode") \
456 \ 456 \
457 lp64_product(intx, ObjectAlignmentInBytes, 8, \ 457 lp64_product(intx, ObjectAlignmentInBytes, 8, \
458 "Default object alignment in bytes, 8 is minimum") \ 458 "Default object alignment in bytes, 8 is minimum") \
459 \ 459 \
460 product(bool, AssumeMP, false, \
461 "Instruct the VM to assume multiple processors are available") \
462 \
460 /* UseMembar is theoretically a temp flag used for memory barrier \ 463 /* UseMembar is theoretically a temp flag used for memory barrier \
461 * removal testing. It was supposed to be removed before FCS but has \ 464 * removal testing. It was supposed to be removed before FCS but has \
462 * been re-added (see 6401008) */ \ 465 * been re-added (see 6401008) */ \
463 product_pd(bool, UseMembar, \ 466 product_pd(bool, UseMembar, \
464 "(Unstable) Issues membars on thread state transitions") \ 467 "(Unstable) Issues membars on thread state transitions") \