ed33ee65b2
CentOS7 spinlock, procfs and vm_munmap support (i.e., Linux kernel 3.10)
2015-01-27 16:55:28 +09:00
08cc31f9bf
support setrlimits/getrlimits, however this fix is these syscalls only.
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checking resource process must implement it separately.
refs #330
2015-01-27 10:35:58 +09:00
74f0aec478
skip copy_to_user() when r->ret is negative error number in mckernel_procfs_read().
...
refs #370
2015-01-08 12:38:06 +09:00
cd6e663f48
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
2014-12-25 11:03:05 +09:00
b388f59ebd
ihk_ikc_irq and ihk_ikc_irq_apicid
2014-12-25 11:03:01 +09:00
5566ed1a63
fix a warning
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| mckernel/executer/kernel/control.c: In function ‘release_handler’:
| mckernel/executer/kernel/control.c:264: warning: unused variable ‘c’
2014-12-22 16:58:05 +09:00
f0f91d2246
fix a warning
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| mckernel/executer/kernel/control.c: In function ‘mcexec_debug_log’:
| mckernel/executer/kernel/control.c:252: warning: unused variable ‘c’
2014-12-22 16:58:04 +09:00
d4ba4dc8b3
introduction of mckernel_procfs_file_operations; fix /proc/self path resolution;
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implementation of /proc/self/pagemap (LTP mmap12)
2014-12-15 12:46:05 +09:00
25f108bf78
mckernel_procfs_read(): fix buffer allocation, offset check and return code
2014-12-05 16:27:48 +09:00
8f30e16976
when mcexec is killed by SIGKILL, terminate mckernel process (BUG#259)
2014-11-27 16:13:52 +09:00
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
658ff759ef
build scripts: support for separate build and source directories
2014-10-20 18:27:24 +09:00
2e5874880a
procfs: delay ack until get_procfs_entry() ends
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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
8751b32b30
Suppress kernel message when missing remote PTE
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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
a0c5d5c5de
Merge branch 'master' of postpeta.pccluster.org:mckernel
2014-09-23 23:18:27 +09:00
39f36120c1
support sigqueue
2014-09-23 23:17:53 +09:00
43e54dcf85
procfs: fix for http://postpeta.pccluster.org/redmine/issues/119#note-30
2014-09-22 10:46:33 +09:00
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
f50132bd93
Revert "SC_DEBUG 時のエラーを消した"
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This reverts commit 7dfa88ae6b
2014-09-17 19:59:25 +09:00
c9f8bb0201
mmap: support device mapping (in progress) refs #218
2014-09-17 19:52:00 +09:00
fdb86115a8
add pager requests for device mapping
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- 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
7dfa88ae6b
SC_DEBUG 時のエラーを消した
2014-09-17 19:46:54 +09:00
d7436652bf
procfs: add support for <pid>/mem files and ad hoc fix for memory incoherency.
2014-09-17 15:49:47 +09:00
2a0e9c689f
Fixed mckernel procfs so that the host kernel does not complain about leaking.
2014-09-11 15:25:52 +09:00
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
efc817de92
Merge branch 'master' of postpeta.pccluster.org:mckernel
2014-09-05 17:20:50 +09:00
a06e5eb47e
Bug fixes.
2014-09-05 16:20:15 +09:00
12ef361436
Removed unneeded variable.
2014-09-04 15:04:22 +09:00
0f95a84293
Migrated.
2014-09-04 14:58:04 +09:00
319590910a
Almost implemented.
2014-09-03 15:20:39 +09:00
308987c1ee
infrequent fail LTP pipe02
2014-09-03 15:17:44 +09:00
4177f1c9cd
TODO: get_page()ed pages have to be put_page()ed
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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
431adf7e7c
mcctrl: report success when __NR_munmap succeeds
2014-09-02 15:43:07 +09:00
650088774d
Fix for typo.
2014-08-28 15:02:59 +09:00
6245a8eb63
Aesthetical changes.
2014-08-28 15:02:10 +09:00
34c4dd8d77
Separated procfs functions for mcctrl.
2014-08-28 15:00:39 +09:00
3293bfaa1e
Fix for generalization.
2014-08-28 14:41:32 +09:00
ca1bf7b7fa
Remove debug error.
2014-08-28 09:16:50 +09:00
cb4b00ba97
Added debug messages.
2014-08-28 09:16:50 +09:00
c783ec8e11
Implemented procfs.
2014-08-28 09:16:50 +09:00
5775d3e6da
Preliminary implementation for procfs.
2014-08-28 09:16:50 +09:00
8c1c8a40d1
use madvise() when zap_vma_ptes() fails
2014-08-07 17:53:26 +09:00
b4910ec33f
use vm_insert_page() if 'struct page' exists
2014-08-07 17:53:26 +09:00
fe39d56554
use mixed mapping instead of PFN mapping
2014-08-07 17:53:26 +09:00
a79a0a618d
drop VM_IO because it's not MMIO
2014-08-07 17:53:26 +09:00
b58682dd73
Merge branch 'master' of postpeta.pccluster.org:mckernel into gdb
2014-07-31 10:31:45 +09:00
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
10190e9ed6
prepare for a condition variable for each process. (Redmine#193)
2014-07-25 09:17:43 +09:00
01f52e73e1
Clarification.
2014-07-23 14:06:59 +09:00
dbdaf0ed32
Fix for demand paging and documentation.
2014-07-23 10:23:02 +09:00
