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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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ok jsing@, miod@
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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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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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return zero on success and nonzero on failure.
This commit only performs mechanical changes for the existing emulops to
always return zero.
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ok miod@ deraadt@
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traditionnaly found in libkern. However, the memcmp() flavour would behave
as bcmp() with only two possible return values: zero and positive non-zero.
This broke the name cache RB trees which now rely upon proper memcmp()
semantics(negative value, zero, or positive value).
Just give up on these macros and provide the same code as libc, in libkern.
As a side effect, this no longer uses the cmpc3 instruction, which is not
implemented and requires (slow) kernel emulation, on the original uVax.
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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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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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Ok oga@, "the time is now" 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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bus_space_alloc() as a bitmask of flags, and not a boolean controlling
cacheability; and make sure the three MI BUS_SPACE_MAP_xxx values documented
in the manual page are defined on all platforms as well.
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makes the sigreturn regress test pass, as well as todd@'s ``run
sh -c "trap exit 2 3;while :; do sleep 120; done", then press ^C'' test pass.
Since userland setjmp uses sigcontext, the kernel will still support the
old layout for a while (until libc is fixed and a reasonable grace period
is over).
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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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bounds information, ie. the zone of the disk that OpenBSD can use. Have each
pre-disklabel parser (MBR, DPME, or per-arch MD disklabel parsers) figure out
this area and pass it up to userland. Then, delete all the same disk parsing
code from disklabel(8) since the kernel passes it up. Lots and lots of - signs
in the disklabel(8) code.
Tested on as many platforms as possible, the fallout will be repaired as time
goes on. To test, use disklabel -d <drive> and validate that the bounds do not
overlap any boot blocks. This same information is used by disklabel -A...
OK for the concept from krw, miod, and drahn
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size on a running system.
ok art@, oga@
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arches. ok todd@ beck@
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and disturb everyone's peace.
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landisk, and the sparc implementation is obviously wrong. That's where I
stopped looking, so who knows what else was broken. A simple comparison of
the existing mtx_enter with the new mtx_enter_try would have told anybody.
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using this soon(ish). Ok oga@, sorta yes kettenis@.
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Saves every damned driver calling bzero(), and continues the M_ZERO,
PR_ZERO symmetry.
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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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MD code would free resources that couldn't be freed until we were no
longer running in that processor. However, it's is unused on all
architectures since mikeb@'s tss changes on x86 earlier in the year.
ok miod@
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levels. This will allow for platforms where soft interrupt levels do not
map to real hardware interrupt levels to have soft ipl values overlapping
hard ipl values without breaking spl asserts.
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try to be smart for the address range, uvm_pglistalloc() is smart enough
nowadays.
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as additional argument. This will allow intermediate layers between
scsi devices such as sd and scsi host adapters to take appropriate
action if necessary.
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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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they are no longer necessary. No good reason to do so but correctness, and
then leaving correct mappings after probe might hide bugs.
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from the individual drivers now that ether_ioctl() handles this.
Shrinks the i386 kernels by..
RAMDISK - 2176 bytes
RAMDISKB - 1504 bytes
RAMDISKC - 736 bytes
Tested by naddy@/okan@/sthen@/brad@/todd@/jmc@ and lots of users.
Build tested on almost all archs by todd@/brad@
ok naddy@
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"looks sane to me" marco@
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protected by __ISO_C_VISIBLE > 1999. With a little help from miod@.
ok miod@
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#if INET6 => #ifdef INET6
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which are uniform for the profclock on each cpu in a SMP system (but using
a different seed for each cpu). on all cpus, avoid seeding with a value out
of the [0, 2^31-1] range (since that is not stable)
ok kettenis drahn
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This should take care of the simpler ones (i.e., timeout values of
integer multiples of hz).
ok krw@, art@
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has never been performance sensitive.
Running on all platforms, discussed with millert and kettenis, ok toby
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anything special to prod a cpu to leave the idle loop in signotify.
powerpc, i386, amd64 and sparc64 will follow soon so that everyone has
the same interface to wake an idling cpu.
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