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258 Commits

Author SHA1 Message Date
Erik Trimble
8d6035660e Merge 2009-03-12 18:16:36 -07:00
Vladimir Kozlov
69f9ddee90 6791178: Specialize for zero as the compressed oop vm heap base 
Use zero based compressed oops if java heap is below 32gb and unscaled compressed oops if java heap is below 4gb.

Reviewed-by: never, twisti, jcoomes, coleenp
 2009-03-12 10:37:46 -07:00
Christian Thalinger
66cecec230 6812587: Use auxv to determine SPARC hardware features on Solaris 
A similar function to getisax(2) should be used to determine all possible instruction set extensions.

Reviewed-by: never, kvn
 2009-03-11 14:16:13 -07:00
Xiomara Jayasena
2be2e027b0 6814575: Update copyright year 
Update copyright for files that have been modified in 2009, up to 03/09

Reviewed-by: katleman, tbell, ohair
 2009-03-09 13:28:46 -07:00
Christian Thalinger
05d1de7727 6810672: Comment typos 
I have collected some typos I have found while looking at the code.

Reviewed-by: kvn, never
 2009-02-27 13:27:09 -08:00
Y. Srinivas Ramakrishna
0badccf962 6800586: -XX:+PrintGCDateStamps is using mt-unsafe localtime function 
Replaced localtime() with localtime_r() on Solaris and Linux.

Reviewed-by: apetrusenko, dholmes, jmasa
 2009-02-09 12:26:05 -08:00
Coleen Phillimore
76f79d82ad Merge 2009-01-09 14:39:07 -05:00
Tom Rodriguez
956dc037db Merge 2009-01-06 16:10:11 -08:00
Xiaobin Lu
f05b009ce8 6781583: Hotspot build fails on linux 64 bit platform with gcc 4.3.2 
Fixed the wrong cast between types since more restrictions are imposed by gcc 4.3.2

Reviewed-by: jcoomes, acorn, phh, never
 2008-12-24 19:13:53 -08:00
Lillian Angel
1ad664c0c9 6778662: fixes 64-bits libraries directory search paths on linux 
Fixes 64-bits libraries directory search paths.

Reviewed-by: never
 2008-12-22 16:53:34 -08:00
Erik Trimble
ac1f463988 Merge 2008-12-20 09:58:36 -08:00
Erik Trimble
efd43c045a Merge 2008-12-20 09:57:03 -08:00
Xiaobin Lu
74d9cf0fb8 6784100: getTimeNanos - CAS reduction 
Get rid of the CAS loop in getTimeNanos to reduce coherence traffic on Solaris.

Reviewed-by: acorn, kvn, ysr
 2008-12-19 14:40:28 -08:00
Xiomara Jayasena
99f0eac1a2 6785258: Update copyright year 
Update copyright for files that have been modified starting July 2008 to Dec 2008

Reviewed-by: katleman, ohair, tbell
 2008-12-15 16:55:11 -08:00
Coleen Phillimore
e0d2bfab81 6727377: VM stack guard pages on Windows should PAGE_READWRITE not PAGE_EXECUTE_READWRITE 
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
 2008-12-10 15:14:29 -08:00
Lev Serebryakov
1d59997abe Merge 2008-12-05 15:06:37 -05:00
Poonam Bajaj
9330807714 Merge 2008-12-04 17:48:02 -08:00
Poonam Bajaj
eddda26255 6739363: Xcheck jni doesn't check native function arguments 
Fix adds support for verifying arguments with -Xcheck:jni.

Reviewed-by: coleenp
 2008-12-04 17:29:56 -08:00
Igor Veresov
af509dd90d 6779436: NUMA allocator: libnuma expects certain size of the buffer in numa_node_to_cpus() 
In os::Linux::rebuild_cpu_to_node_map() fix the size of the CPU bitmap. Fixed arithmetic in MutableNUMASpace::adaptive_chunk_size() that could cause overflows and underflows of the chunk_size variable.

Reviewed-by: apetrusenko
 2008-12-03 14:18:57 -08:00
John Coomes
6fe817326c 6718879: cannot build on solaris nevada 
Reviewed-by: xlu
 2008-11-11 22:21:13 -08:00
Erik Trimble
4b983d3b39 Merge 2008-10-15 18:51:04 -07:00
Antonios Printezis
04b0ebb9c1 Merge 2008-10-09 12:06:22 -04:00
Kumar Srinivasan
3a72f5c241 6755845: JVM_FindClassFromBoot triggers assertions 
Fixes assertions caused by one jvm_entry calling another, solved by refactoring code and modified gamma test.

Reviewed-by: dholmes, xlu
 2008-10-08 08:10:51 -07:00
Erik Trimble
50964694fe Merge 2008-10-07 11:01:35 -07:00
Xiaobin Lu
fe28b4f768 6673124: Runtime.availableProcessors / os::active_processor_count wrong if unused processor sets exist 
Reviewed-by: acorn, dholmes
 2008-10-06 11:39:34 -07:00
Xiomara Jayasena
76df5ec473 6754988: Update copyright year 
Update for files that have been modified starting July 2008

Reviewed-by: ohair, tbell
 2008-10-02 19:58:19 -07:00
Jon Masamitsu
6c19542a36 6660681: Incrementally reserve pages on win server 2003 for better large page affinity 
For windows server 2003 added option to reserve large pages individually.

Reviewed-by: alanb, jcoomes, tonyp, apetrusenko
 2008-10-02 12:01:08 -07:00
Antonios Printezis
615777b6da Merge 2008-08-21 23:36:31 -04:00
Erik Trimble
9d5ff382c1 Merge 2008-08-10 13:13:55 -07:00
Jon Masamitsu
b57ca9ed91 Merge 2008-08-04 12:11:36 -07:00
Xiaobin Lu
12198cdafd 6618886: Anonymous objects can be destructed immediately and so should not be used 
Reviewed-by: dholmes, kamg
 2008-08-01 15:18:14 -07:00
Xiaobin Lu
3da24841be 6719981: Update Hotspot Windows os_win32 for windows XP 64 bit and windows 2008 
Reviewed-by: dholmes, kamg
 2008-08-01 15:12:34 -07:00
Jon Masamitsu
b8633a3b01 Merge 2008-07-28 15:30:23 -07:00
Keith McGuigan
74faacc945 6721093: -XX:AppendRatio=N not supported 
Add mechanism to ignore unsupported flags for a set period of time

Reviewed-by: acorn, never, coleenp
 2008-07-28 14:07:44 -04:00
Coleen Phillimore
20dba03e99 6716785: implicit null checks not triggering with CompressedOops 
Allocate alignment-sized page(s) below java heap so that memory accesses at heap_base+1page give signal and cause an implicit null check

Reviewed-by: kvn, jmasa, phh, jcoomes
 2008-07-19 17:38:22 -04:00
Igor Veresov
1193f0f9db 6723228: NUMA allocator: assert(lgrp_id != -1, "No lgrp_id set") 
6723229: NUMA allocator: assert(lgrp_num > 0, "There should be at least one locality group")

The fix takes care of the assertion triggered during TLAB resizing after reconfiguration. Also it now handles a defect in the topology graph, in which a single leaf node doesn't have memory.

Reviewed-by: jmasa
 2008-07-17 10:26:33 -07:00
Igor Veresov
e9e432633b 6720130: NUMA allocator: The linux version should search for libnuma.so.1 
Search for libnuma.so.1 on Linux and liblgrp.so.1 on Solaris.

Reviewed-by: jmasa
 2008-07-14 04:12:47 -07:00
Erik Trimble
2d6f42d18c Merge 2008-07-11 01:14:44 -07:00
Xiomara Jayasena
c96a95c4b8 6719955: Update copyright year 
Update copyright year for files that have been modified in 2008

Reviewed-by: ohair, tbell
 2008-07-02 12:55:16 -07:00
Y. Srinivas Ramakrishna
74ee57a572 Merge 2008-07-01 11:59:44 -07:00
Tom Rodriguez
873da1efe8 6718676: putback for 6604014 is incomplete 
Reviewed-by: kvn, jrose
 2008-06-24 16:00:14 -07:00
Y. Srinivas Ramakrishna
f521ab4f1a Merge 2008-06-24 13:20:34 -07:00
Xiaobin Lu
cb8502a58c 6681796: hotspot build failure on gcc 4.2.x (ubuntu 8.04) w/ openjdk 6 
Fixed the cast from char* to const char* and tried to use const char* as much as possible

Reviewed-by: never, kamg
 2008-06-17 09:59:59 -07:00
Y. Srinivas Ramakrishna
18f3386a98 6711316: Open source the Garbage-First garbage collector 
First mercurial integration of the code for the Garbage-First garbage collector.

Reviewed-by: apetrusenko, iveresov, jmasa, sgoldman, tonyp, ysr
 2008-06-05 15:57:56 -07:00
Igor Veresov
1689a5ecba 6697534: Premature GC and invalid lgrp selection with NUMA-aware allocator 
Don't move tops of the chunks in ensure_parsibility(). Handle the situation with Solaris when a machine has a locality group with no memory.

Reviewed-by: apetrusenko, jcoomes, ysr
 2008-05-09 16:34:08 +04:00
Igor Veresov
035662396c Merge 2008-05-04 03:29:31 -07:00
Igor Veresov
a24f915b60 6684395: Port NUMA-aware allocator to linux 
NUMA-aware allocator port to Linux

Reviewed-by: jmasa, apetrusenko
 2008-04-29 13:51:26 +04:00
Keith McGuigan
f072bc9d3f 6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes 
Initial checkin of JSDT code

Reviewed-by: acorn, sbohne
 2008-04-17 22:18:15 -04:00
Coleen Phillimore
4a831d45f0 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes 
Compressed oops in instances, arrays, and headers. Code contributors are coleenp, phh, never, swamyv

Reviewed-by: jmasa, kamg, acorn, tbell, kvn, rasbold
 2008-04-13 17:43:42 -04:00
Xiaobin Lu
3bc5120d53 6671882: memory access after free in solaris/vm/os_solaris.cpp 
Corrected the wrong memory access problem and made some minor clean ups

Reviewed-by: dholmes, jcoomes
 2008-04-03 12:21:06 -07:00