HelenOS
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Subversion Repositories
HelenOS
(root)
/
tags
/
0.2.0.5
/
kernel
/
generic
/
include
/
mm/
– Rev 2474
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2474
6254 d 23 h
jermar
/tags/0.2.0.5/
Add tag for HelenOS 0.2.0.5.
2465
6265 d 6 h
jermar
/trunk/
Merge arm32 into trunk.
2444
6272 d 21 h
jermar
/trunk/kernel/
First fixes for suncc support.
It is going to be a long way...
2183
6329 d 5 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
6333 d 22 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
6337 d 6 h
jermar
/trunk/kernel/generic/include/mm/
Remove out of date comment.
2126
6381 d 22 h
decky
/trunk/kernel/
small cleanup, more work coming
2125
6382 d 1 h
decky
/trunk/
experimental support for Objective C
(disabled by default)
2124
6382 d 3 h
decky
/trunk/kernel/generic/
implement simple realloc()
2122
6388 d 5 h
decky
/trunk/kernel/generic/
explicit typecast, fix signed/unsigned comparison
2107
6389 d 23 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
6390 d 7 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
6395 d 3 h
decky
/trunk/kernel/generic/
avoid conflict with potential keyword
2093
6395 d 3 h
decky
/trunk/kernel/
spinlock extern declaration macro
2089
6396 d 7 h
decky
/trunk/
huge type system cleanup
remove cyclical type dependencies across multiple header files
many minor coding style fixes
2085
6402 d 6 h
decky
/trunk/kernel/
typedef elimination
2083
6402 d 7 h
decky
/trunk/kernel/
typedef elimination
2071
6407 d 0 h
jermar
/trunk/
(c) versus (C)
2059
6430 d 9 h
jermar
/trunk/kernel/generic/
Improve indentation and formatting.
2015
6446 d 0 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.
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