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Author SHA1 Message Date
Tomoki Shirasawa
658aa18ade add memory debug (kmalloc/kfree) 
* support "memdebug" mckernel option
* check buffer overrun when memory free and next mcexec run
* check double free
* check memory leak when next mcexec run
 2014-10-07 15:45:16 +09:00
Tomoki Shirasawa
f3ea226d91 fix strncpy buffer overrun 2014-10-01 09:04:11 +09:00
Masamichi Takagi
8751b32b30 Suppress kernel message when missing remote PTE 
The page-fault handler called on the Linux side looks for a matching PTE
in the page table residing in McKernel. If it fails to find it, it
wrote a confusing kernel message. It's supressed now because it's not an
error.
 2014-09-25 20:30:49 +09:00
NAKAMURA Gou
905fb9abb6 devobj: relax the size limit to 512 pages 2014-09-25 18:07:31 +09:00
bgerofi@riken.jp
43e6de8124 fork()/execve()/ETXTBSY: sync parent a child duing fork() to make sure child holds a reference to the executable in the host kernel using open_exec() 2014-09-25 15:14:18 +09:00
Tomoki Shirasawa
ef52ba7607 kill system call returned bad number 2014-09-25 14:09:07 +09:00
Tomoki Shirasawa
a0c5d5c5de Merge branch 'master' of postpeta.pccluster.org:mckernel 2014-09-23 23:18:27 +09:00
Tomoki Shirasawa
39f36120c1 support sigqueue 2014-09-23 23:17:53 +09:00
Masamichi Takagi
a7b0880a8d Make findthread_and_lock take ihk_spinlock_t ** 2014-09-23 12:03:48 +09:00
Masamichi Takagi
434597e629 Make lock/unlock in lock.c accord with arch-lock.h 
Make both of the lock/unlock function pairs use the same interfaces.
 2014-09-23 12:00:18 +09:00
Naoki Hamada
43e54dcf85 procfs: fix for http://postpeta.pccluster.org/redmine/issues/119#note-30 2014-09-22 10:46:33 +09:00
bgerofi@riken.jp
55aeceb1bf execve()/creat(): handle NULL env correctly and support for holding executable file so that write access returns ETXTBSY 2014-09-18 21:25:04 +09:00
NAKAMURA Gou
b7088e654a Revert "BEGINNING of 'myb'" 
This reverts commit 50fc6b03ea.
 2014-09-17 19:59:38 +09:00
NAKAMURA Gou
e5917e6bf1 Revert "fix warnings" 
This reverts commit fbd33470e7.
 2014-09-17 19:59:37 +09:00
NAKAMURA Gou
f267b65fba Revert "marker" 
This reverts commit b361012563.
 2014-09-17 19:59:36 +09:00
NAKAMURA Gou
500131cbb6 Revert "add some files to .gitignore" 
This reverts commit e861dfa1ab.
 2014-09-17 19:59:35 +09:00
NAKAMURA Gou
aaa466ed05 Revert "ihk_mc_pt_print_pte で PTE を表示するようにした" 
This reverts commit 9a1d535f5c.
 2014-09-17 19:59:34 +09:00
NAKAMURA Gou
b13b8e91b2 Revert "exit_group 時に空きページ数を表示する" 
This reverts commit 219291f40f.
 2014-09-17 19:59:33 +09:00
NAKAMURA Gou
7e12f0db72 Revert "テスト支援コード" 
This reverts commit 054cb2ada2.
 2014-09-17 19:59:32 +09:00
NAKAMURA Gou
776dfff734 Revert "terminate するときに空きページ数を表示するようにした" 
This reverts commit d4ffe7db8d.
 2014-09-17 19:59:29 +09:00
NAKAMURA Gou
d692b57a67 Revert "idle 開始時に free_list の状況を表示する" 
This reverts commit ec47968a48.
 2014-09-17 19:59:27 +09:00
NAKAMURA Gou
f50132bd93 Revert "SC_DEBUG 時のエラーを消した" 
This reverts commit 7dfa88ae6b.
 2014-09-17 19:59:25 +09:00
NAKAMURA Gou
7a5764bda4 Revert "mcexec のデバッグ出力を改善" 
This reverts commit fb38917bf6.
 2014-09-17 19:59:10 +09:00
NAKAMURA Gou
c9f8bb0201 mmap: support device mapping (in progress) refs #218 2014-09-17 19:52:00 +09:00
NAKAMURA Gou
438c7fd784 add devobj a new memobj 2014-09-17 19:48:02 +09:00
NAKAMURA Gou
fdb86115a8 add pager requests for device mapping 
- PAGER_REQ_MAP
  map specified file, and create a private device pager.
- PAGER_REQ_UNMAP
  destroy specified private device pager, and unmap related mapping.
- PAGER_REQ_PFN
  report a physical address.
 2014-09-17 19:48:00 +09:00
NAKAMURA Gou
f641090a7e support uncachable on-demand mapping 2014-09-17 19:47:58 +09:00
NAKAMURA Gou
fb38917bf6 mcexec のデバッグ出力を改善 2014-09-17 19:46:55 +09:00
NAKAMURA Gou
7dfa88ae6b SC_DEBUG 時のエラーを消した 2014-09-17 19:46:54 +09:00
NAKAMURA Gou
ec47968a48 idle 開始時に free_list の状況を表示する 2014-09-17 19:46:52 +09:00
NAKAMURA Gou
d4ffe7db8d terminate するときに空きページ数を表示するようにした 2014-09-17 19:46:50 +09:00
NAKAMURA Gou
054cb2ada2 テスト支援コード 
- vm_range_list のテスト支援コード
- vm_range 一致確認用関数追加
  できれば、指定範囲内の変更を無視させたいのだが、
  指定範囲内の変更のために split されたエントリを無害と判断できない
- page table のテスト支援コード
 2014-09-17 19:46:48 +09:00
NAKAMURA Gou
219291f40f exit_group 時に空きページ数を表示する 2014-09-17 19:46:46 +09:00
NAKAMURA Gou
9a1d535f5c ihk_mc_pt_print_pte で PTE を表示するようにした 2014-09-17 19:46:45 +09:00
NAKAMURA Gou
e861dfa1ab add some files to .gitignore 2014-09-17 19:46:43 +09:00
NAKAMURA Gou
b361012563 marker 2014-09-17 19:46:41 +09:00
NAKAMURA Gou
fbd33470e7 fix warnings 2014-09-17 19:46:39 +09:00
NAKAMURA Gou
50fc6b03ea BEGINNING of 'myb' 2014-09-17 19:46:37 +09:00
Naoki Hamada
d7436652bf procfs: add support for <pid>/mem files and ad hoc fix for memory incoherency. 2014-09-17 15:49:47 +09:00
Balazs Gerofi bgerofi@riken.jp
e2dc359ba7 execve(): iterate and close fds with FD_CLOEXEC, resolves LTP fcntl07_64 2014-09-17 15:32:53 +09:00
Tomoki Shirasawa
878ba35804 /proc/mcos?/<pid>/task/<tid>/stat support 2014-09-15 19:21:27 +09:00
Balazs Gerofi bgerofi@riken.jp
f7780cfe93 kmalloc()/kfree(): allow CPU cores to kfree() a piece of memory that was kmalloc()ed by another core through embedding CPU id into malloc_header 2014-09-14 23:22:43 +09:00
bgerofi@riken.jp
225509786f do_fork(): fix variable name when DEBUG_PRINT_SC enabled 2014-09-11 16:58:59 +09:00
Naoki Hamada
2a0e9c689f Fixed mckernel procfs so that the host kernel does not complain about leaking. 2014-09-11 15:25:52 +09:00
Masamichi Takagi
7e6fbc4854 Support negative first argument in waitpid 
Make waitpid wait any process with the pgid of -<1st-arg> when setting
minus value to the first argument.
 2014-09-11 15:20:32 +09:00
Masamichi Takagi
35dc8a3368 Issue IPI if needed when sending SIGSTOP 2014-09-10 21:21:17 +09:00
Masamichi Takagi
c78be27442 Support SIGSTOP and SIGCONT 2014-09-10 18:19:39 +09:00
Masamichi Takagi
7ca4ca4d37 Revert "Support SIGSTOP and SIGCONT" 
This reverts commit 2325d47952.
 2014-09-10 18:19:17 +09:00
Masamichi Takagi
2325d47952 Support SIGSTOP and SIGCONT 2014-09-10 17:01:21 +09:00
Masamichi Takagi
b50e205a61 Support pid of zero when calling waitpid 
Make waitpid wait any process with the same pgid of the caller when
setting zero to the pid argument.
 2014-09-10 17:01:05 +09:00