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184 Commits
Author SHA1 Message Date
Tomoki Shirasawa 8f30e16976 when mcexec is killed by SIGKILL, terminate mckernel process (BUG#259) 2014-11-27 16:13:52 +09:00
Balazs GerofiandBalazs Gerofi bgerofi@riken.jp ac8e2a0c40 handle VM_RESERVED (non-existing since Linux 3.7.0) and do_mmap_pgoff() (unexported since Linux 3.5.0) in mcctrl's syscall.c 2014-11-11 08:42:07 +09:00
bgerofi@riken.jpandBalazs Gerofi bgerofi@riken.jp 658ff759ef build scripts: support for separate build and source directories 2014-10-20 18:27:24 +09:00
NAKAMURA Gou 2e5874880a procfs: delay ack until get_procfs_entry() ends 
This commit avoids the problem that causes get_procfs_entry() to create
entries which have same name.  See get_procfs_entry().
 2014-10-10 16:20:38 +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
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
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.jpandBalazs Gerofi 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 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 c9f8bb0201 mmap: support device mapping (in progress) refs #218 2014-09-17 19:52:00 +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 7dfa88ae6b SC_DEBUG 時のエラーを消した 2014-09-17 19:46:54 +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
Naoki Hamada 2a0e9c689f Fixed mckernel procfs so that the host kernel does not complain about leaking. 2014-09-11 15:25:52 +09:00
Balazs Gerofi bgerofi@riken.jp ac40b96c24 execve(): support for ETXTBSY via a new ioctl() call to test in kernel space with open_exec() 2014-09-10 14:09:11 +09:00
Naoki Hamada efc817de92 Merge branch 'master' of postpeta.pccluster.org:mckernel 2014-09-05 17:20:50 +09:00
Naoki Hamada a06e5eb47e Bug fixes. 2014-09-05 16:20:15 +09:00
Naoki Hamada 12ef361436 Removed unneeded variable. 2014-09-04 15:04:22 +09:00
Naoki Hamada 0f95a84293 Migrated. 2014-09-04 14:58:04 +09:00
Naoki Hamada 319590910a Almost implemented. 2014-09-03 15:20:39 +09:00
Tomoki Shirasawa 308987c1ee infrequent fail LTP pipe02 2014-09-03 15:17:44 +09:00
NAKAMURA Gou 4177f1c9cd TODO: get_page()ed pages have to be put_page()ed 
The pages which get_page() has been called with should be recorded.
Because these pages have to be passed to put_page()
before they are freed.
 2014-09-02 15:43:10 +09:00
NAKAMURA Gou 431adf7e7c mcctrl: report success when __NR_munmap succeeds 2014-09-02 15:43:07 +09:00
Naoki Hamada 650088774d Fix for typo. 2014-08-28 15:02:59 +09:00
Naoki Hamada 6245a8eb63 Aesthetical changes. 2014-08-28 15:02:10 +09:00
Naoki Hamada 34c4dd8d77 Separated procfs functions for mcctrl. 2014-08-28 15:00:39 +09:00
Naoki Hamada 3293bfaa1e Fix for generalization. 2014-08-28 14:41:32 +09:00
Naoki Hamada ca1bf7b7fa Remove debug error. 2014-08-28 09:16:50 +09:00
Naoki Hamada cb4b00ba97 Added debug messages. 2014-08-28 09:16:50 +09:00
Naoki Hamada c783ec8e11 Implemented procfs. 2014-08-28 09:16:50 +09:00
Naoki Hamada 5775d3e6da Preliminary implementation for procfs. 2014-08-28 09:16:50 +09:00
NAKAMURA Gou 8c1c8a40d1 use madvise() when zap_vma_ptes() fails 2014-08-07 17:53:26 +09:00
NAKAMURA Gou b4910ec33f use vm_insert_page() if 'struct page' exists 2014-08-07 17:53:26 +09:00
NAKAMURA Gou fe39d56554 use mixed mapping instead of PFN mapping 2014-08-07 17:53:26 +09:00
NAKAMURA Gou a79a0a618d drop VM_IO because it's not MMIO 2014-08-07 17:53:26 +09:00
Naoki Hamada b58682dd73 Merge branch 'master' of postpeta.pccluster.org:mckernel into gdb 2014-07-31 10:31:45 +09:00
Tomoki Shirasawa 17730617e1 when wakeup for syscall and recieve signal occur in the same timing, a program is freezed. 2014-07-25 10:54:30 +09:00
Tomoki Shirasawa 10190e9ed6 prepare for a condition variable for each process. (Redmine#193) 2014-07-25 09:17:43 +09:00
Naoki Hamada 01f52e73e1 Clarification. 2014-07-23 14:06:59 +09:00
Naoki Hamada dbdaf0ed32 Fix for demand paging and documentation. 2014-07-23 10:23:02 +09:00
Naoki Hamada cb61739c2b Deleted debug flags & al. 2014-07-18 15:45:40 +09:00
Naoki Hamada 3e8083efc1 Prepare for a core file image. 2014-07-17 15:19:25 +09:00
Naoki Hamada cb9d346567 Fixed wrong %x to %lx. 2014-07-11 18:48:15 +09:00
Naoki Hamada ed9da789e6 Created gencore() and minor aestetical changes. 
modified:   executer/kernel/mcctrl.h
	modified:   executer/kernel/syscall.c
	modified:   kernel/include/syscall.h
	modified:   kernel/mem.c
 2014-07-02 16:23:32 +09:00
Naoki Hamada fd6f0c4075 Bookkeeping for error. 
modified:   syscall.c
 2014-07-02 14:00:46 +09:00
Naoki Hamada 4f1b3f22ef Working code for infrastructure. 
modified:   executer/kernel/mcctrl.h
	modified:   executer/kernel/syscall.c
	modified:   kernel/include/syscall.h
	modified:   kernel/mem.c
 2014-07-02 12:39:08 +09:00
Naoki Hamada b3c7676425 Minor change. 
modified:   syscall.c
 2014-07-01 19:03:50 +09:00
Naoki Hamada 53a80e0720 Experimental implementation of map & write. 
Data is still dummy.
Not even compiled.
	modified:   executer/kernel/mcctrl.h
	modified:   executer/kernel/syscall.c
	modified:   kernel/include/syscall.h
	modified:   kernel/mem.c
 2014-07-01 16:50:25 +09:00
Naoki Hamada 83ced89fa3 Initial commit for core dump. 
We can create a dummy core file when gpe occurs.
	modified:   executer/kernel/mcctrl.h
	modified:   executer/kernel/syscall.c
	modified:   kernel/include/syscall.h
	modified:   kernel/mem.c
 2014-07-01 16:03:11 +09:00