328e69a335
schedule(): do not preempt while holding spinlocks or while in offloaded syscall
2015-08-06 10:36:13 +09:00
b77755d0f7
obtain_clone_cpuid(): always start from CPU 0 and fill in cores linearily
2015-07-28 20:20:47 +09:00
d7bae14707
TEMPORARY: schedule(): move threads when core is explicitly oversubscribed
2015-07-28 20:12:58 +09:00
9b1e691588
fix thread migration code (i.e., sched_setaffinity())
...
- moved migration code into idle() process and updated schedule() to detect
when a thread has moved to another CPU in order to avoid doing housekeeping
on behalf of the original one
- start CPU head from core 0
- keeps track of nested interrupts
2015-07-24 20:09:17 +09:00
3988b0fc61
keep track of IRQ context and don't do thread migration there
2015-07-23 16:56:58 +09:00
1ff4cf68c2
support SA_RESTART flag and restart syscall
2015-07-16 16:33:14 +09:00
382614ddae
pstate: use MSR_NHM_TURBO_RATIO_LIMIT as maximum single-core turbo ratio
2015-07-01 22:18:38 +09:00
fbb776e4fb
cpu init: support for no_turbo kernel argument
2015-06-25 12:18:27 +09:00
7d5a68be1b
add PID and GID to /proc/pid/status
...
add /proc/pid/cmdline
refs #445
refs #447
2015-05-18 17:45:37 +09:00
f4162dff52
some signals set siginfo.si_code
2015-04-14 15:11:36 +09:00
a0d909af75
add supports for dump analyzer
2015-03-31 12:59:53 +09:00
4946964ed0
update copyright notices
2015-03-27 14:50:09 +09:00
5f19842a6a
support for process_vm_readv()/process_vm_writev()
2015-03-25 19:44:56 +09:00
9271d5346d
add ACSL annotation to cpu.c
2015-03-25 15:54:08 +09:00
7bba05cfa4
Revise use of iov_base in ptrace_read_regset() and ptrace_write_regset().
2015-03-20 20:33:40 +09:00
055769254d
implement mlockall()/munlockall() for LTP syscall
2015-03-19 16:46:31 +09:00
786ae83380
add arch-dependent mman.h
2015-03-19 16:36:57 +09:00
8c662c83be
implement mincore(2) for LTP
2015-03-19 16:32:03 +09:00
4698bc40c2
implement System V shared memory for LTP syscalls
2015-03-19 16:21:18 +09:00
f5d935b703
support signalfd4 step1
2015-03-18 17:35:43 +09:00
d53865ac5f
change to check sequence of kill syscall, check sig num zero after uid checking
2015-03-18 12:59:05 +09:00
8934eb91a4
kill syscall check uid
2015-03-17 15:04:36 +09:00
b553de7435
supports PTRACE_GETREGSET, PTRACE_SETREGSET.
...
supports PTRACE_GETFPREGS, PTRACE_SETFPREGS.
refs #421
2015-03-06 19:18:32 +09:00
fa29c34995
expand the size of kstack 12 KiB
...
When a procfs file belonging to a process which was in PS_TRACED status
was accessed, calling kprintf() from process_procfs_request() caused
stack overrun, and x86_cpu_local_variables was destroyed.
2015-03-05 20:30:33 +09:00
bf12a5c45e
Introduction of write-combined memory type mappings.
...
Introduction of VR_WRITE_COMBINED, PTATTR_WRITE_COMBINED and modification
to the memobj's get_page() interface so that Linux communicates back mapping
flags (such as write-combined).
2015-03-05 16:03:21 +09:00
ea5681232e
x86 Page Attribute Table (PAT) MSR support.
...
Reconfigure PAT to permit write-combining memory type to be assigned
on a page-by-page basis. Changes PWT and PCD bit combinations in page
table entries so that they correspond to the following format:
PAT
|PCD
||PWT
|||
000 WB Write Back (WB)
001 WC Write Combining (WC)
010 UC- Uncached (UC-)
011 UC Uncacheable (UC)
2015-03-05 16:03:20 +09:00
e6011be1af
create area for to save fp regs
...
refs #421
2015-03-05 12:18:46 +09:00
2eac58aab3
add patch_process_vm(). (in progress)
...
This function patches specified range of specified user space even if
the range is not writable.
refs #401
2015-03-04 12:00:51 +09:00
22d8d169b6
change copy-out routines
...
- restrict copy_to_user() to only current process.
- add write_process_vm() to write specified process space.
2015-03-04 11:29:16 +09:00
8db54c2637
make GPE on CPL0 cause panic
2015-03-04 11:29:16 +09:00
063fa963c3
change copy-in routines
...
- restrict copy_from_user() to only current process.
- add read_process_vm() to read specified process space.
2015-03-04 11:29:15 +09:00
a6488adcc1
change parameter type of ihk_mc_pt_virt_to_phys()
...
- add type qualifier 'const' to virtual address parameter.
that is, change parameter 'virt' from 'void *'
to 'const void *'
2015-03-04 11:29:15 +09:00
377341ce5f
change debug output in debug/int3 handler, for struct x86_user_context.
2015-03-03 14:06:30 +09:00
8caeba7cba
support PTRACE_GETSIGINFO and PTRACE_SETSIGINFO
...
refs #422
2015-03-03 09:54:57 +09:00
1d2f5d9893
set is_gpr_valid to initial user context
2015-02-27 14:47:43 +09:00
e4f47df3c3
initialize pstate, turbo mode and power/performace bias MSR registers
...
MSR_IA32_MISC_ENABLE, MSR_IA32_PERF_CTL and MSR_IA32_ENERGY_PERF_BIAS
are responsible for performance settings, this change enables McKernel
to perform on par with Linux when running the fwq benchmark.
2015-02-27 11:29:11 +09:00
4751055ee4
make ptrace(2) use lookup_user_context()
2015-02-26 17:43:10 +09:00
305ebfed0e
add lookup_user_context(). refs #420
2015-02-26 17:43:10 +09:00
b66b950129
add x86_sregs into x86_user_context
...
x86_sregs contains the registers which are included in user_regs_struct
but not included in x86_basic_regs.
2015-02-26 17:43:10 +09:00
4aa8ba2eef
sort x86_basic_regs into user_regs_struct's order
2015-02-26 17:43:10 +09:00
fab2c2aa97
wrap x86_regs with x86_user_context
...
and, rename x86_regs to x86_basic_regs.
2015-02-26 17:43:10 +09:00
e91d1e5b7b
stack of signal handler is not 16 byte align
...
refs #429
2015-02-24 17:20:52 +09:00
d9cf1d49b1
support waitid
...
send SIGCHLD to parent when SIGSTOP or SIGCONT received
refs #425
refs #283
2015-02-22 20:05:30 +09:00
0307f6a6cc
impementation of sched_{setparam, getparam, setscheduler, getscheduler, get_priority_min, get_priority_max, rr_get_interval} system calls
2015-02-19 11:46:03 -08:00
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
d35e60c1a3
add init_boot_processor_local() for arch_start()
2015-02-18 20:49:46 +09:00
3b04043f2a
change to throw signal SIGILL to SIGSEGV when GPE
2015-02-18 14:54:49 +09:00
c0edb6fe6f
add new cpu state CPU_STATUS_RESERVED
2015-02-18 13:46:08 +09:00
16af976a71
support msync() system call. refs #382
...
Msync(2) of this version writes only the pages which the calling process
modified. Modifications of the other processes are not written.
2015-02-18 11:52:15 +09:00
99debc548f
detach traced process, when tracer process terminate.
...
some fixes on PTRACE_DETACH.
refs #374
refs #280
2015-02-17 16:58:29 +09:00
