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HelenOS
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branches
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dd
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kernel
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generic
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src
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ipc
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ipc.c
@ 4552
– Rev 4420
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4420
5574 d 12 h
trochtova
/branches/dd/
dd branch synchronized with trunk (revision 4419)
4296
5609 d 8 h
trochtova
/branches/dd/
dd branch synchronized with trunk (revision 4295)
4201
5624 d 14 h
trochtova
/branches/dd/
changes in trunk (rev 4200) merged into dd branch
4055
5648 d 12 h
trochtova
/branches/dd/
changes in trunk (rev 4054) merged into dd branch
3022
5931 d 14 h
decky
/branches/dd/
device drivers branch
3020
5932 d 4 h
jermar
/trunk/kernel/generic/
Turn phone->lock into mutex.
2802
5985 d 14 h
jermar
/trunk/kernel/generic/
Fix initialization of answerbox->task in ipc_answerbox_init.
Contributed by Jiri Svoboda.
2662
6089 d 4 h
jermar
/trunk/
Add support for IPC_M_DATA_READ calls.
2637
6108 d 5 h
cejka
/trunk/
Extended IPC_M_CONNECT_TO_ME to use 3 user defined parameters.
Phone identifier is passed in ARG5.
2623
6118 d 11 h
jermar
/trunk/kernel/generic/
Introduce the IPC_FF_ROUTE_FROM_ME forwarding flag.
2622
6118 d 11 h
jermar
/trunk/
Add mode argument to IPC forward.
This argument can be used to modify the way forward behaves.
2601
6131 d 8 h
jermar
/trunk/kernel/generic/src/ipc/
Fix and improve two IPC related comments.
2494
6254 d 5 h
jermar
/trunk/kernel/generic/
Implement a new mechanism for copying data between two address spaces based on
IPC. New system method IPC_M_DATA_SEND is introduced. The implementation is
generic and does not make use of any possible architecture optimizations such as
direct copy from one address space to another.
2472
6278 d 5 h
jermar
/trunk/kernel/generic/src/ipc/
Some left-over stuff from the last commit (IPC cleanup and improved
comments.)
2471
6278 d 5 h
jermar
/trunk/
Greatly improve comments in the IPC layer.
Now I think I finally start to understand our IPC internals :-)
2310
6319 d 6 h
jermar
/trunk/kernel/generic/
Cleanup the waitq_wakeup() interface.
Replace numeric constants (i.e. 0)
and boolean constants (i.e. false) with
more readable WAKEUP_FIRST. Also change the
type of the second argument of waitq_wakeup()
to a newly introduced type wakeup_mode_t.
Fix behaviour of waitq_wakeup() in case
that WAKEUP_ALL semantics is required
but no threads are sleeping in the wait
queue. This is a similar fix to that of
Jan Hudecek committed in the RCU branch,
but, IMHO, is more straightforward and
also doesn't eat up previous missed
wakeups.
2216
6349 d 5 h
decky
/trunk/
make thread ID 64 bit (task ID is 64 bit already)
cleanup thread syscalls
2183
6351 d 9 h
jermar
/trunk/kernel/generic/
Continue to de-oversynchronize the kernel.
- replace as->refcount with an atomic counter; accesses to this
reference counter are not to be done when the as->lock mutex is held;
this gets us rid of mutex_lock_active();
Remove the possibility of a deadlock between TLB shootdown and asidlock.
- get rid of mutex_lock_active() on as->lock
- when locking the asidlock spinlock, always do it conditionally and with
preemption disabled; in the unsuccessful case, enable interrupts and try again
- there should be no deadlock between TLB shootdown and the as->lock mutexes
- PLEASE REVIEW !!!
Add DEADLOCK_PROBE's to places where we have spinlock_trylock() loops.
2071
6429 d 4 h
jermar
/trunk/
(c) versus (C)
1933
6521 d 4 h
jermar
/trunk/kernel/generic/
Implement efficient IPC notification cleanup.
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