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9dd224385ec8b751385a502d4eb3a890452cc6f4
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84 Commits

Author SHA1 Message Date
Tomoki Shirasawa
9dd224385e When SIGSEGV occurred on a tracee process, a tracee process freezes. 2015-09-01 17:37:56 +09:00
Balazs Gerofi
c85a9b99e1 a couple of cosmetic changes of debug messages 2015-08-22 18:53:14 +09:00
Balazs Gerofi
328e69a335 schedule(): do not preempt while holding spinlocks or while in offloaded syscall 2015-08-06 10:36:13 +09:00
Tomoki Shirasawa
1ff4cf68c2 support SA_RESTART flag and restart syscall 2015-07-16 16:33:14 +09:00
Balazs Gerofi
4ebe778ede vm->exiting: deal with exit_group() and concurrent page faults 2015-06-25 16:04:04 +09:00
Tomoki Shirasawa
f4162dff52 some signals set siginfo.si_code 2015-04-14 15:11:36 +09:00
NAKAMURA Gou
2239a6b09b modify page_fault_process() 
- change its argument from 'struct process *'
                        to 'struct process_vm *'.
- change its name from 'page_fault_process()'
                    to 'page_fault_process_vm()'.
- allow to resolve a fault on the process_vm of another process.
 2015-03-04 11:29:15 +09:00
NAKAMURA Gou
fab2c2aa97 wrap x86_regs with x86_user_context 
and, rename x86_regs to x86_basic_regs.
 2015-02-26 17:43:10 +09:00
Tomoki Shirasawa
f35cc66d18 delete unused argument "ctx" from do_syscall 
support waitid option "WNOWAIT"
 2015-02-23 17:14:14 +09:00
NAKAMURA Gou
0e98e87b95 change type of kprintf_lock() to "unsigned long" 
to match type of ihk_mc_spinlock_lock().
 2015-02-18 20:49:46 +09:00
NAKAMURA Gou
0942bf0ce0 make dkprintf() evaluate its parameters always 
Parameters of dkprintf() should be evaluated even if dkprintf() is
disabled.  Because this enables to find expression of parameter obsolete
and to avoid unnecessary compiler warnings such as "unused variable".
 2014-12-22 16:58:03 +09:00
Tomoki Shirasawa
3fe7e39607 some variables definition are gathered to fork_tree_node from process. 
- remove both-defined: pid, pgid, status
- move to fork_tree_node: tid
- make dummy fork_tree_node for idle_process.
 2014-10-29 16:54:09 +09:00
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
39f36120c1 support sigqueue 2014-09-23 23:17:53 +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
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
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
219291f40f exit_group 時に空きページ数を表示する 2014-09-17 19:46:46 +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
Tomoki Shirasawa
7b825c0a65 fix coredump (ltp abort01) 2014-09-03 10:56:41 +09:00
Naoki Hamada
530535c162 Merge remote branch 'origin/master' into gdb 2014-07-23 10:29:07 +09:00
Naoki Hamada
dbdaf0ed32 Fix for demand paging and documentation. 2014-07-23 10:23:02 +09:00
Balazs Gerofi bgerofi@riken.jp
101a0f6e4a remote TLB invalidation code for multi-threaded applications (e.g., during munmap()) 2014-07-22 12:24:07 +09:00
Naoki Hamada
9dd7d6283c Merge remote branch 'origin/master' into gdb 
Conflicts:
	kernel/include/process.h
 2014-07-18 16:03:35 +09:00
Naoki Hamada
cb61739c2b Deleted debug flags & al. 2014-07-18 15:45:40 +09:00
YOSHIDA Masanori
170a54d976 add CPU affinity function 
- syscall support
-- sched_setaffinity
-- sched_getaffinity
- migration in scheduler
- resched at return of syscalls/interrupts
 2014-07-13 17:04:47 +09:00
Naoki Hamada
79a72809af Prepare inside of core. Not tested. 
modified:   arch/x86/kernel/gencore.c
	modified:   arch/x86/kernel/include/elfcore.h
	modified:   kernel/mem.c
 2014-07-07 15:46:10 +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
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
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
NAKAMURA Gou
ce7af5839d keep page.count valid through its life cycle 2014-05-07 21:24:45 +09:00
NAKAMURA Gou
29c7d40005 use atomic operations for manipulating page.count 2014-05-07 21:24:45 +09:00
NAKAMURA Gou
7eeafb0d85 change parameter types of arch-regs to "void *" 2014-04-03 15:33:34 +09:00
Tomoki Shirasawa
26d68d391d signal part 4 (sigsuspend etc) 2014-01-24 10:14:49 +09:00
Tomoki Shirasawa
a8c249ddaf signal (part 1) 2014-01-07 11:57:57 +09:00
NAKAMURA Gou
03521e9c2c add copyrights 2013-11-14 16:49:40 +09:00
NAKAMURA Gou
27172ad413 support private mapped file 2013-10-15 12:30:41 +09:00
Tomoki Shirasawa
1d69225532 mcexec forward signal to MIC process. 2013-08-19 12:17:23 +09:00
NAKAMURA Gou
480f6d4c2f rewrite page_fault_handler() 2013-08-08 12:43:00 +09:00
NAKAMURA Gou
78d9d3fcd2 Revert "trial implementation of private file mapping" 
This reverts commit abe57218c4.
 2013-07-26 16:44:39 +09:00
NAKAMURA Gou
abe57218c4 trial implementation of private file mapping 
for review only.  will soon be reverted.
 2013-07-26 14:40:12 +09:00
Tomoki Shirasawa
221f2c0517 support SIGSEGV(page fault) and SIGILL(general protection error) 2013-07-26 11:53:00 +09:00
NAKAMURA Gou
deb9cd4e75 implement sys_munmap() 2013-07-18 09:25:58 +09:00
Tomoki Shirasawa
3749696d3e simple signal handler and kill(2) support. 2013-07-18 08:53:28 +09:00
NAKAMURA Gou
630170fb6a add ihk_mc_allocate_aligned_pages() 2013-07-10 13:11:18 +09:00
Masamichi Takagi m-takagi@ab.jp.nec.com
b59be07e9a implementing demand paging to make it possible to run Intel OpenMP programs 2013-07-04 15:41:12 +09:00
Balazs Gerofi bgerofi@riken.jp
f9cb60ef33 IHK query free memory request and implementation 2013-06-24 09:00:48 +09:00
Balazs Gerofi bgerofi@riken.jp
4a27a65cb0 resolved merge conflicts with futex code 2013-06-02 16:42:08 +09:00
NAKAMURA Gou
c8b7a853cc changed the number of pages to allocate 
struct malloc_header is necessary at both ends of the new free space.
however, only one malloc_header is included in the req_pages.
 2013-05-31 19:09:02 +09:00