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HelenOS
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dd
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kernel
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generic
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include
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mm
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as.h
@ 4573
– Rev 4537
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4537
5548 d 4 h
trochtova
/branches/dd/
dd branch synchronized with trunk (revision 4536)
4055
5647 d 0 h
trochtova
/branches/dd/
changes in trunk (rev 4054) merged into dd branch
3022
5930 d 2 h
decky
/branches/dd/
device drivers branch
2745
6022 d 1 h
decky
/trunk/
code cleanup (mostly signed/unsigned)
allow extra compiler warnings
2556
6173 d 2 h
jermar
/trunk/kernel/generic/
Rename as_get_size() to as_area_get_size() and add a doxygen comment.
2183
6349 d 21 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.
2170
6354 d 15 h
jermar
/trunk/kernel/
Simplify synchronization in as_switch().
The function was oversynchronized, which
was causing deadlocks on the address
space mutex.
Now, address spaces can only be switched
when the asidlock is held. This also protects
stealing of ASIDs. No other synchronization
is necessary.
2142
6357 d 22 h
jermar
/trunk/kernel/generic/include/mm/
Remove out of date comment.
2126
6402 d 15 h
decky
/trunk/kernel/
small cleanup, more work coming
2125
6402 d 17 h
decky
/trunk/
experimental support for Objective C
(disabled by default)
2107
6410 d 16 h
jermar
/trunk/
When clock() is called by an external interrupt dispatched by the IRQ dispatcher,
no spinlock can be held or the kernel will not be preemptive. This fixes Ticket #24.
Formating and indentation fixes.
2106
6411 d 0 h
jermar
/trunk/kernel/
Merge as_t structure into one and leave the differring parts in as_genarch_t.
Indentation and formatting changes in header files.
2094
6415 d 20 h
decky
/trunk/kernel/generic/
avoid conflict with potential keyword
2093
6415 d 20 h
decky
/trunk/kernel/
spinlock extern declaration macro
2089
6417 d 0 h
decky
/trunk/
huge type system cleanup
remove cyclical type dependencies across multiple header files
many minor coding style fixes
2071
6427 d 17 h
jermar
/trunk/
(c) versus (C)
2015
6466 d 17 h
jermar
/trunk/
Rework support for virtually indexed cache.
Instead of repeatedly flushing the data cache, which was a huge overkill, refuse to create an illegal address alias
in the kernel (again) and allocate appropriate page color in userspace instead. Extend the detection also to
SYS_PHYSMEM_MAP syscall.
Add support for tracking physical memory areas mappable by SYS_PHYSMEM_MAP.
Lots of coding style changes.
2009
6471 d 16 h
jermar
/trunk/kernel/
Initial support for handling illegal virtual aliases on sparc64.
2000
6478 d 2 h
decky
/trunk/kernel/
move files to more proper locations
1914
6528 d 23 h
jermar
/trunk/kernel/generic/
Add function for printing out info about address space.
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