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supported it doesn't do any harm), so put the KNOTE() in selwakeup() itself and
remove it from any occurences where both are used, except one for kqueue itself
and one in sys_pipe.c (where the selwakeup is under a PIPE_SEL flag).
Based on a diff from tedu.
ok deraadt
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miod@ deraadt@ ok.
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calls can go directly into selwakeup() safely
long discussion with nicm, murmers of consent from tedu and miod, noone
else seems to care of kqueue is busted as long as it makes their sockets
move data fast... pretty sad.
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look similar could arrive in the future. Instead, compare directly against
dv_cfdata->cf_driver->cd_name
Issue originally spotted by miod
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bsd) unless some other object has changed. Rebuild and reinstall
in /usr/src/usr.sbin/config/ after updating!
"I like it" deraadt@
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errnos. Note that the error strings are being ignored, since we long ago
decided to not spam the console, and there is no other nice way to use the
errors (without changing the ioctls to pass it back)
The errno is now useful, since we can pass b_error from failing IO up, and
the drive can decide how to use that
ok miod
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for claudio@ ok deraadt@
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exactly the same the mi could will use if bufinit() is invoked with
bufpages == 0.
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anymore. Get rid of it completely.
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a few arches where toolchain limitations apply) will embed some symbolic
information about the various structs used within the kernel, and have
new ddb commands allowing struct display and some useful information
gathering. Kernel rodata increase varies accross platforms from ~150KB to
~300KB.
This option is not enabled by default.
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No longer allocate a static amount of memory for messages in MD
boot path; message queues, message metadata, and message data now
all use dynamic memory, which means that runtime sysctls should now
be trivial to implement.
Since I'm going to be around all week to fix any breakage, this should
probably just go in now.
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after c2k9
allows buffer cache to be extended and grow/shrink dynamically
tested by many, ok oga@, "why not just commit it" deraadt@
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or'ed together, even on platforms where bus_space_barrier() ignores the
barrier argument yet.
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three
commits:
1) The sysctl allowing bufcachepercent to be changed at boot time.
2) The change moving the buffer cache hash chains to a red-black tree
3) The dynamic buffer cache (Which depended on the earlier too).
ok on the backout from marco and todd
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size on a running system.
ok art@, oga@
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arches. ok todd@ beck@
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MULTIPROCESSOR.
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For the possibility of sleeping, the first two flags are UVM_PLA_WAITOK
and UVM_PLA_NOWAIT. It is an error not to show intention, so assert that
one of the two is provided. Switch over every caller in the tree to
using the appropriate flag.
ok art@, ariane@
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between instances, saving space in the kernel. feedback from many (some
incorporated, some left for future work).
ok deraadt, kettenis, "why not" miod.
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with different locking mechanism. 88110 soft ipi are replaced with an
ipi callback which is checked upon return from exception (it can not be kept
as a softintr, as the generic softinterrupt code doesn't have per-cpu
pending softintr queues).
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from interrupt() and related function pointers.
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What happened was that the output of mkdep was fed to a sed expression
that trimmed a bit more than required and also failed to work when
attempting to do make depend with pcc.
Example:
genassym_c.o: /tmp/genassym.whatever ../../../../../sys/param.h \
was changed to:
assym.h: \
but what was intended was:
assym.h: ../../../../../sys/param.h \
For the pcc -M output things were a bit different and after the make
depend the genassym entry would still remain and make would fail. This
affected all platforms except amd64 and sgi.
Okay miod@.
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them going negative - this consists of identifying a number of cases of
IO not going through the buffer cache and marking those buffers with
B_RAW - as well as fixing nfs_bio to show pending writes and reads through
the buffer cache via NFS
still has a problem with mishandling the counters I believe in the
async/sync fallback case where counters stay positive which will be
addressed seperately.
ok tedu@ deraadt@
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ok marco@ no objection miod@ need this for regress djm@ no objection krw@
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Not sure what's more surprising: how long it took for NetBSD to
catch up to the rest of the BSDs (including UCB), or the amount of
code that NetBSD has claimed for itself without attributing to the
actual authors.
OK deraadt@
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ok thib beck art
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file copies to nfsv2 causes the system to eventually peg the console.
On the console ^T indicates that the load is increasing rapidly, ddb
indicates many calls to getbuf, there is some very slow nfs traffic
making none (or extremely slow) progress. Eventually some machines
seize up entirely.
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biowait() reads that do *not* come from the buffer cache - we use the
B_RAW flag to identify these at art's suggestion - since it makes sense
and the flag was not being used. this just flags all these buffers with
B_RAW - biodone already ignores returned buffers marked B_RAW.
ok art@
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sgi.
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bpf(4) are different enough so that the split makes sense -- this is necessary
to make bpf(4) cloneable.
requested deraadt@, OK thib@
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-1.
ok henning@ beck@ ray@
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the hp300 related ones currently in use. CN_NORMAL becomes CN_LOWPRI,
CN_INTERNAL becomes CN_MIDPRI and CN_REMOTE becomes CN_HIGHPRI.
ok miod@
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1 for 88110), for userland to have an easy way to figure out.
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it five times.
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of offsets / sizeof(register_t), and nuke the REG_OFF macro. No functional
change.
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this allows us to get rid of the dependency of asm_macro.h on asm.h, which
was really only there to bring in psl.h.
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more board design-independent.
The main changes are:
- define logical interrupt sources, which match the on-board devices as
well as the seven VME interrupt sources. Use these whenever possible
when registering interrupts in the drivers, so that the actual interrupt
mask layouts are hidden.
- make the on-board and VME interrupt handlers separate. On-board interrupt
handlers are not really associated to an interrupt vector, only to a
given interrupt source, and only one handler can be registered for a
logical interrupt source. On the other hand, VME interrupts come with a
vector number, and can be shared. This allows VME devices to really use
the whole 256 vectors space, starting at vector zero.
- update the real interrupt masks upon interrupt handler registration and
removal, so that only interrupt sources for which a handler exists may
be enabled.
- update the VME interrupt allocation logic to allow exclusive vector
allocation.
- move the Z8536 clock routines to their own file, since they are not
AV400-specific; while there, calibrate the delay constant upon startup
for more accurate delay().
The vme driver is the only one left with AV400 tentacles left, to be fixed
very soon.
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the PROM has eaten part of it, so that the reported memory size in dmesg is
a nice round number.
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so stash it in a board-independent header.
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stealing pages in pmap_bootstrap. While there, use up to four times more
memory for these buffers if the machine has enough physical memory.
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had not been reported to aviion.
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