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HelenOS
(root)
/
tags
/
0.2.0.5
/
kernel
/
generic
/
include
/
mm
/
as.h
@ 2592
– Rev 2474
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2474
6299 d 4 h
jermar
/tags/0.2.0.5/
Add tag for HelenOS 0.2.0.5.
2183
6373 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.
2170
6378 d 3 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
6381 d 10 h
jermar
/trunk/kernel/generic/include/mm/
Remove out of date comment.
2126
6426 d 3 h
decky
/trunk/kernel/
small cleanup, more work coming
2125
6426 d 5 h
decky
/trunk/
experimental support for Objective C
(disabled by default)
2107
6434 d 4 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
6434 d 12 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
6439 d 8 h
decky
/trunk/kernel/generic/
avoid conflict with potential keyword
2093
6439 d 8 h
decky
/trunk/kernel/
spinlock extern declaration macro
2089
6440 d 12 h
decky
/trunk/
huge type system cleanup
remove cyclical type dependencies across multiple header files
many minor coding style fixes
2071
6451 d 5 h
jermar
/trunk/
(c) versus (C)
2015
6490 d 5 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
6495 d 4 h
jermar
/trunk/kernel/
Initial support for handling illegal virtual aliases on sparc64.
2000
6501 d 14 h
decky
/trunk/kernel/
move files to more proper locations
1914
6552 d 11 h
jermar
/trunk/kernel/generic/
Add function for printing out info about address space.
1891
6572 d 3 h
jermar
/trunk/kernel/
sparc64 work:
- Experimental support for TSB (Translation Storage Buffer).
1890
6572 d 14 h
jermar
/trunk/
- Create a dedicated slab cache for as_t objects and switch from malloc/free to slab_alloc/slab_free for
them.
- Slightly fix and improve both the kernel and userspace atomic_add() on sparc64.
- More TSB work on the sparc64 front.
1889
6573 d 5 h
jermar
/trunk/kernel/
Fix bug in mm/as.c:
- as_area_destroy() should not work with AS but as
sparc64 work:
- start implementing TSB support
1888
6576 d 8 h
jermar
/trunk/
C99 compliant header guards (hopefully) everywhere in the kernel.
Formatting and indentation changes.
Small improvements in sparc64.
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