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to diff against FreeBSD's.
From Brad; no object file change on amd64.
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count processes instead of threads. New sysctl()s KERN_NTHREADS and
KERN_MAXTHREAD count and limit threads. The nprocs and maxproc kernel
variables are replaced by nprocess, maxprocess, nthreads, and maxthread.
ok tedu@ mikeb@
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of per-rthread. Handling of per-thread tick and runtime counters
inspired by how FreeBSD does it.
ok kettenis@
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the main thread exiting. c.f. regress/sys/kern/main-thread-exited/
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- move the P_TRACED and P_INEXEC flags, and p_oppid, p_ptmask, and
p_ptstat member from struct proc to struct process
- sort the PT_* requests into those that take a PID vs those that
can also take a TID
- stub in PT_GET_THREAD_FIRST and PT_GET_THREAD_NEXT
ok kettenis@
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and extending it to support rthreads would be a waste of time. Also, don't
show rthreads in the process listing in procfs.
Reassurances that compat_linux doesn't need this from ajacoutot@
ok kettenis@
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ok deraadt
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filled in. Move D_CLONE down to 0x0001 as suggested by thib.
ok deraadt thib
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the obvious cases to return EINVAL and ENXIO.
ok tedu deraadt
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While it is a terribly cool idea, it's just awful and since noone has stepped
up to the plate to keep it up with the current vop state, retire it to the
attic.
ok krw@, deraadt@, guenther@, miod@.
comments from jmc@
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and return EOPNOTSUPP directly from the VOP_* functions.
Filesystems should, at some point fill in every function
in the vop_default struct so we can get rid of the 'if'
statements in VOP_*.
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that you can't evade the checks by doing the dirty work in an rthread
ok blambert@, deraadt@
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unrelated, and his alpha is much happier now.
OK deraadt@
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fail it is still good practise to either check the return value or to
provide a flag that won't (to avoid copy pasted code that gets it
wrong).
So change LK_EXCLUSIVE to LK_EXCLUSIVE | LK_RETRY, removing the one
caller of vn_lock in the tree that doesn't either pass LK_RETRY or check
the return value.
ok thib@, jsing@ as part of a larger diff.
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have been resolved.
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vector setup that has questionable features (that have, as far as I can
tell never been used in practice, atleast not in OpenBSD), remove all
the gunk and favor a simple struct full of function pointers that get
set directly by each of the filesystems.
Removes gobs of ugly code and makes things simpler by a magnitude.
The only downside of this is that we loose the vnoperate feature so
the spec/fifo operations of the filesystems need to be kept in sync
with specfs and fifofs, this is no big deal as the API it self is pretty
static.
Many thanks to armani@ who pulled an earlier version of this diff to
current after c2k10 and Gabriel Kihlman on tech@ for testing.
Liked by many. "come on, find your balls" deraadt@.
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so that the process-level stuff is to/from struct process and not
struct proc. This fixes a bunch of problem cases in rthreads.
Based on earlier work by blambert and myself, but mostly written
at c2k10.
Tested by many: deraadt, sthen, krw, ray, and in snapshots
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when the header is used by userspace.
ok miod@
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gets rid of #include <sys/dkio.h> in sys/ioctl.h and adds #include
<sys/dkio.h> to the places that actually want and use the disk
ioctls.
this became an issue when krw@'s X build failed when he was testing
a change to dkio.h.
tested by krw@
help from and ok miod@
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ok otto@
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prodded by and ok thib@
agreed by art@ and blambert@
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same diff as before, with the uninitalized variable fixed.
ok toby@
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which is exactly what the macro does.
Macro's that are nothing more then:
#define FUNCTION(arg) function(arg)
are almost always pointless and should go away.
OK blambert@
Agreed by many.
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where doing bremfree() befure calling buf_acquire().
This is causing us headache pinning down a bug that showed up
when deraadt@ too cvs to current, and will have to be done
anyway as a preperation for backouts.
OK deraadt@
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Just put it in the buf_acquire function.
oga@ ok
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by Antoine Jacoutot. back out for oga to look at when he gets back in
touch with earth.
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ok deraadt@
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the receiving side when passing fd's. ok deraadt@ kettenis@
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a locking botch in portal_open();
- set f_namemax at mount time and use copy_statfs_info() in
portal_statfs();
This diff is a slight tweak of the diff sent in PR5968 by
Frank Denis (j at pureftpd.org) Thanks!
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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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1) remove multiple size queues, introduced as a stopgap.
2) decouple pages containing data from their mappings
3) only keep buffers mapped when they actually have to be mapped
(right now, this is when buffers are B_BUSY)
4) New functions to make a buffer busy, and release the busy flag
(buf_acquire and buf_release)
5) Move high/low water marks and statistics counters into a structure
6) Add a sysctl to retrieve buffer cache statistics
Tested in several variants and beat upon by bob and art for a year. run
accidentally on henning's nfs server for a few months...
ok deraadt@, krw@, art@ - who promises to be around to deal with any fallout
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the superuser. access(2) will now only indicate success for X_OK on
non-directories if there is at least one execute bit set on the file.
OK deraadt@ thib@ otto@
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with eopnotsupp() instead;
ok blambert@
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one thing of note, fifofs changes in that its bmap now
sets the runp too 0, but that was an oversight in the
old code.
ok art@
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init the op array functions with whatever the define was set
too.
ok dlg@,blambert@
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ok dlg@
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init the op array functions with whatever the define was set
too.
ok dlg@
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init the op array functions with whatever the define was set
too.
ok dlg@,blambert@
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oga@'s upcoming DRM changes and too some degree ratchov@'s audio
work. It still works for bpf's though.
Parts from ratchov@; fstat(1) parts from Pedro Martelletto;
tested by many, ok'ed by a few;
"get going with cloning" deraadt@
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always fails". Introduce vop_generic_lookup(), which is a trivial lookup
routine that always fails and use that instead, zap the redundant copies.
ok toby@, tedu@, art@
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ok gilles
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ok krw@
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