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HelenOS
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dynload
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kernel
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generic
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src
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mm
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as.c
@ 3846
– Rev 4691
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4691
5483 d 7 h
svoboda
/branches/dynload/
Merge trunk changes up to r4686.
4343
5595 d 5 h
svoboda
/branches/dynload/
Merged trunk changes up to r3925 to dynload.
4339
5595 d 6 h
svoboda
/branches/dynload/
Merge trunk changes up to r3802 to dynload.
4337
5595 d 6 h
svoboda
/branches/dynload/
Merge changes in trunk up to r3741 to dynload.
3448
5818 d 17 h
svoboda
/branches/dynload/
Merge latest trunk changes into dynload
3403
5822 d 15 h
svoboda
/branches/dynload/
Merge latest trunk changes into dynload
3191
5898 d 13 h
svoboda
/branches/dynload/
Merge latest trunk changes into dynload
3156
5912 d 8 h
svoboda
/branches/dynload/kernel/generic/src/mm/
Separate page removal and insertion in as_area_change_flags() so that usage of old and new mapping cannot interleave.
3153
5912 d 12 h
svoboda
/branches/dynload/
Merge latest trunk changes into dynload
3149
5912 d 13 h
svoboda
/branches/dynload/
Merge trunk changes up to r3071 into dynload (broken)
3129
5917 d 6 h
svoboda
/branches/dynload/
initial ia64 support in iloader (broken)
2986
5937 d 10 h
svoboda
/branches/dynload/kernel/generic/src/mm/
Declare old_frame as uintptr_t instead of int
2985
5937 d 12 h
svoboda
/branches/dynload/
Fix as_area_change_flags() and use it in elf_loader.c
2984
5937 d 13 h
svoboda
/branches/dynload/
Add as_area_change_flags() syscall and libc wrapper. Implementation limited to non-shared areas of anonymous memory.
2927
5944 d 16 h
decky
/branches/dynload/
added dynload branch
2745
6022 d 14 h
decky
/trunk/
code cleanup (mostly signed/unsigned)
allow extra compiler warnings
2647
6095 d 7 h
jermar
/trunk/kernel/generic/src/mm/
Fix a bug in anonymous address space area sharing. Call the backend's share
function only if the source area is not already shared. Otherwise increment the
sh_info refcount. Without this fix, the kernel will try to recreate the pagemap
if three and more address space areas attempt to share the same data.
2556
6173 d 15 h
jermar
/trunk/kernel/generic/
Rename as_get_size() to as_area_get_size() and add a doxygen comment.
2183
6350 d 10 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
6355 d 4 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.
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