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the splhi() and apictimerlock in the Mach isnt neccesary, as
portclock always holds the ilock of the per mach timer queue
when calling timerset().
as fastticks() and the portclock timers are all handled on a
per processor basis, i think it should be theoretically possible
for the lapics to run at different frequencies. so we measure
the lapic frequency for each individual lapic and keep them in
a per processor Apictimer structure instead of assuming them
to be the same.
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it is usefull to see what encryption keys have been
estabished by aux/wpa.
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this makes it consistent with the manual again.
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loading the divider before programming one shot mode *sometimes*
gives the wrong frequency. (X200s got 192Mhz vs. 266Mhz, after
5 boot attempts)
also reload the divider after programming periodic mode. (from
http://wiki.osdev.org/APIC_timer)
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dnauthdb() would relabel expired rr's as rr->db == 0 to make
them get garbage collected by dnage(). but this doesnt work
due to dn->keep and also causes the deduplication to fail on
rrattach() as rrattach1() handles rr->dn/rr->auth as separate
name spaces.
this causes duplicate entries in the rr's when ndb gets
gets changed. to fix, we just delete the expired (removed from
ndb) rr's immidiately in dnauthdb() instead of trying trick
dnage() to garbage collect it.
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doesnt seem to be reliable. also, separate tsc frequency measurement
and cpu loopconst measurement. turned out with *notsc=, the simplcycles()
calls would mess up loopconst.
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we previously used tsc only on cpu kernel. now that
we use it on terminal kernel too, there might be some
surprises ahead.
so make it possible to disable tsc for machines where
the tsc rate is not kept constant across cores or is
dynamically adjusted by power management.
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on terminal kernel (thank erik)
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invert/shift in wrong order causing low 16 bits to be all ffff...
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depending on the font, poping the menu would move your cursor
one pixel down each time (due to division). this is annoying
when using a trackpoint and trying to repeat some operation
over 9000 times.
the cursor should only be moved when the menu is repositioned
to contain it on the screen.
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update permissions last in wstat so it will only get changed when there was
no error.
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- same problem with wstat, if we error then owner has been already updated...
- avoid smalloc while holding qlock in wstat, do it before
- pikeshedd style...
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- wstat would half update the Srv data structure if name was too long
- srvname() walked the linked srv list without holding srv qlock
- dont access sp->chan while not holding srv qlock in srvopen()
- dont modify sp->owner while not holding srv qlock in srvcreate()
- avoid smalloc() allocations while holding srv qlock
- style pikeshedding, sorry
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resizewin() has some extra logic making sure the rect doesnt get too big.
rio would otherwise refuse to create the window and the operation will fail
completely.
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on usb ethernet, it can happen that we read truncated packets smaller
than the ethernet header size. this produces a warning in pullupblock()
later like: "pullup negative length packet, called from 0xf0199e46"
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rectangles
not checking the rectangle dimensions causes integer overflows
and memory corruption. adding a new badrect() function that checks
for these cases.
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length writes
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plhk9 → abaco: charset 'utf-8'> not supported
plhk9 → http://plhk.ru/trash/abaco-singlequote.diff makes it go away
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making zoom too big just causes pagesize() multiplication to overflow
passing bogus rectangles to allocimage().
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Add a -s srvname option to rdbfs, allowing debugging sessions to be shared
or later reattached after disconnection.
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we run the service owner
this prevents users like "none" from toggling special options in ndb/dns
and ndb/cs.
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use splaytree algorithm to balance the tree of free allocations
as an optimization. the data structures are unchanged by this
optimization.
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