Author: davidxu
Date: Thu Apr 10 02:30:51 2014
New Revision: 264310
URL: http://svnweb.freebsd.org/changeset/base/264310
Log:
Add kqueue support for devctl.
Reviewed by: kib,mjg
Modified:
head/sys/kern/subr_bus.c
Modified: head/sys/kern/subr_bus.c
==
Author: davidxu
Date: Fri Apr 4 12:31:13 2014
New Revision: 264114
URL: http://svnweb.freebsd.org/changeset/base/264114
Log:
Fix SIGIO delivery. Use fsetown() to handle file descriptor owner
ioctl and use pgsigio() to send SIGIO.
Submitted by: truckman
Reviewed by: mjg
Modified:
he
On 2014/03/29 23:42, Warner Losh wrote:
On Mar 29, 2014, at 6:31 AM, David Xu wrote:
On 2014/03/29 15:52, Don Lewis wrote:
On 29 Mar, Mateusz Guzik wrote:
On Sat, Mar 29, 2014 at 11:52:09AM +0800, David Xu wrote:
If fsetown handling like this is insecure this would bite us in that
On 2014/03/29 15:52, Don Lewis wrote:
On 29 Mar, Mateusz Guzik wrote:
On Sat, Mar 29, 2014 at 11:52:09AM +0800, David Xu wrote:
If fsetown handling like this is insecure this would bite us in that
scenario (and few others). In short, if we can avoid giving another way
to corrupt stuff in the
On 2014/03/29 12:14, Mateusz Guzik wrote:
I asked if multpiple concurrent calls to fsetown(.., &pointer) could
result in some corruption in the kernel - if they could, we would have
a problem in the future. I decided to read the code once more and
fsetown seems to be safe in this regard after
On 2014/03/29 11:25, Mateusz Guzik wrote:
On Sat, Mar 29, 2014 at 11:09:34AM +0800, David Xu wrote:
On 2014/03/29 10:56, Mateusz Guzik wrote:
But this patch would mean that current consumers (if any) would break -
just calling FIOASYNC would not result in receiving SIGIO.
The old behavior is
On 2014/03/29 10:56, Mateusz Guzik wrote:
On Fri, Mar 28, 2014 at 09:13:20AM -0700, Don Lewis wrote:
On 28 Mar, David Xu wrote:
I have tweaked it a bit, is this okay ?
# HG changeset patch
# Parent 53b614ff2cae108f27e4475989d3a86997017268
diff -r 53b614ff2cae sys/kern/subr_bus.c
--- a/sys
On 2014/03/29 00:13, Don Lewis wrote:
On 28 Mar, David Xu wrote:
On 2014/03/28 06:31, Don Lewis wrote:
On 27 Mar, Konstantin Belousov wrote:
On Thu, Mar 27, 2014 at 04:05:12PM +0100, Mateusz Guzik wrote:
On Thu, Mar 27, 2014 at 03:58:19PM +0100, Mateusz Guzik wrote:
On Thu, Mar 27, 2014 at
On 2014/03/28 06:31, Don Lewis wrote:
On 27 Mar, Konstantin Belousov wrote:
On Thu, Mar 27, 2014 at 04:05:12PM +0100, Mateusz Guzik wrote:
On Thu, Mar 27, 2014 at 03:58:19PM +0100, Mateusz Guzik wrote:
On Thu, Mar 27, 2014 at 04:46:57PM +0800, David Xu wrote:
On 2014/03/27 16:37, Mateusz
On 2014/03/28 06:31, Don Lewis wrote:
On 27 Mar, Konstantin Belousov wrote:
On Thu, Mar 27, 2014 at 04:05:12PM +0100, Mateusz Guzik wrote:
On Thu, Mar 27, 2014 at 03:58:19PM +0100, Mateusz Guzik wrote:
On Thu, Mar 27, 2014 at 04:46:57PM +0800, David Xu wrote:
On 2014/03/27 16:37, Mateusz
On 2014/03/27 22:58, Mateusz Guzik wrote:
On Thu, Mar 27, 2014 at 04:46:57PM +0800, David Xu wrote:
On 2014/03/27 16:37, Mateusz Guzik wrote:
On Thu, Mar 27, 2014 at 03:45:17PM +0800, David Xu wrote:
I think the async process pointer can be cleared when a process exits
by registering an event
On 2014/03/27 16:37, Mateusz Guzik wrote:
On Thu, Mar 27, 2014 at 03:45:17PM +0800, David Xu wrote:
I think the async process pointer can be cleared when a process exits
by registering an event handler. please see attached patch.
Sure, but I'm not very fond of this solution.
This
On 2014/03/26 07:30, Mateusz Guzik wrote:
Author: mjg
Date: Tue Mar 25 23:30:35 2014
New Revision: 263755
URL: http://svnweb.freebsd.org/changeset/base/263755
Log:
Document a known problem with handling the process intended to receive
SIGIO in /dev/devctl.
Suggested by:adrian
Author: davidxu
Date: Mon Mar 17 05:03:53 2014
New Revision: 263258
URL: http://svnweb.freebsd.org/changeset/base/263258
Log:
MFC r263107:
To avoid missing a chance to cancel thread, call _pthread_testcancel at the
beginning of _sem_timedwait.
Submitted by: Eric van Gyzen < eric at v
Author: davidxu
Date: Mon Mar 17 02:10:45 2014
New Revision: 263255
URL: http://svnweb.freebsd.org/changeset/base/263255
Log:
MFC r263107:
To avoid missing a chance to cancel thread, call _pthread_testcancel at the
beginning of _sem_timedwait.
Submitted by: Eric van Gyzen < eric at v
Author: davidxu
Date: Thu Mar 13 06:54:10 2014
New Revision: 263107
URL: http://svnweb.freebsd.org/changeset/base/263107
Log:
To avoid missing a chance to cancel thread, call _pthread_testcancel at the
beginning of _sem_timedwait.
Submitted by: Eric van Gyzen < eric at vangyzen dot net >
Author: davidxu
Date: Thu Feb 27 02:41:41 2014
New Revision: 262545
URL: http://svnweb.freebsd.org/changeset/base/262545
Log:
MFC r262277:
malloc_aligned() may not leave enough space for pointer to allocated memory,
saving the pointer will overwrite bytes belongs to another memory block
Author: davidxu
Date: Thu Feb 27 02:36:09 2014
New Revision: 262544
URL: http://svnweb.freebsd.org/changeset/base/262544
Log:
MFC r262277:
malloc_aligned() may not leave enough space for pointer to allocated memory,
saving the pointer will overwrite bytes belongs to another memory block
Author: davidxu
Date: Sat Feb 22 11:06:48 2014
New Revision: 262334
URL: http://svnweb.freebsd.org/changeset/base/262334
Log:
Increase alignment to size of pointer if the alignment is too small.
Some modules do not align data at least to size of pointer, they uses a
smaller alignment, but ou
Author: davidxu
Date: Fri Feb 21 03:36:16 2014
New Revision: 262277
URL: http://svnweb.freebsd.org/changeset/base/262277
Log:
malloc_aligned() may not leave enough space for pointer to allocated memory,
saving the pointer will overwrite bytes belongs to another memory block
unexpectly, to fi
Author: davidxu
Date: Fri Aug 16 06:42:24 2013
New Revision: 254399
URL: http://svnweb.freebsd.org/changeset/base/254399
Log:
Regen.
Modified:
stable/9/sys/compat/freebsd32/freebsd32_proto.h
stable/9/sys/compat/freebsd32/freebsd32_syscall.h
stable/9/sys/compat/freebsd32/freebsd32_syscalls
puclockid.c)
@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2012 David Xu .
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above cop
On 2013/06/19 13:50, Alexey Dokuchaev wrote:
On Tue, Jun 18, 2013 at 03:47:44PM -0400, Garance A Drosehn wrote:
Note that a major change to the FreeBSD repo would require that users
install a new 'svn' anyway, even if they did install 'svn' back when
they first installed FreeBSD.
IMO, I think t
Author: davidxu
Date: Thu May 16 03:01:04 2013
New Revision: 250691
URL: http://svnweb.freebsd.org/changeset/base/250691
Log:
Return one-based key so that user can check if the key is ever allocated
in the first place.
Initial patch submitted by: phk
Modified:
head/lib/libthr/thread/th
Author: davidxu
Date: Thu May 9 04:41:03 2013
New Revision: 250402
URL: http://svnweb.freebsd.org/changeset/base/250402
Log:
Fix return value for setcontext and swapcontext.
Modified:
head/lib/libthr/thread/thr_sig.c
Modified: head/lib/libthr/thread/thr_sig.c
===
the
driver /sys/dev/if_msk.c reports watchdog timeout, backing out
this change works again for me.
Regards,
David Xu
___
svn-src-all@freebsd.org mailing list
http://lists.freebsd.org/mailman/listinfo/svn-src-all
To unsubscribe, send any mail to "svn-s
Author: davidxu
Date: Sun Apr 28 03:13:45 2013
New Revision: 250013
URL: http://svnweb.freebsd.org/changeset/base/250013
Log:
Remove extra code for SA_RESETHAND, it is not needed because kernel has
already done this.
Modified:
head/lib/libthr/thread/thr_sig.c
Modified: head/lib/libthr/thre
Author: davidxu
Date: Thu Apr 18 05:58:07 2013
New Revision: 249607
URL: http://svnweb.freebsd.org/changeset/base/249607
Log:
Remove debug code.
Modified:
head/lib/libthr/thread/thr_sig.c
Modified: head/lib/libthr/thread/thr_sig.c
=
Author: davidxu
Date: Thu Apr 18 05:56:00 2013
New Revision: 249606
URL: http://svnweb.freebsd.org/changeset/base/249606
Log:
Avoid copying memory if SIGCANCEL is not masked.
Modified:
head/lib/libthr/thread/thr_sig.c
Modified: head/lib/libthr/thread/thr_sig.c
===
Author: davidxu
Date: Thu Apr 18 05:12:11 2013
New Revision: 249604
URL: http://svnweb.freebsd.org/changeset/base/249604
Log:
Revert revision 249323, the PR/177624 is confusing, that bug is caused
by using buggy getcontext/setcontext on same stack, while swapcontext
normally works on differe
Author: davidxu
Date: Wed Apr 10 02:40:03 2013
New Revision: 249323
URL: http://svnweb.freebsd.org/changeset/base/249323
Log:
swapcontext wrapper can not be implemented in C, the stack pointer saved in
the context becomes invalid when the function returns, same as setjmp,
it must be implemen
Author: davidxu
Date: Sun Feb 17 02:52:42 2013
New Revision: 246894
URL: http://svnweb.freebsd.org/changeset/base/246894
Log:
Make more code be protected by internal mutex, and now it is fork-safe, in
error case, the file exclusive lock is now released as soon as possible,
in previous code,
Author: davidxu
Date: Sat Feb 16 06:07:07 2013
New Revision: 246872
URL: http://svnweb.freebsd.org/changeset/base/246872
Log:
Simplify code by using flag O_EXLOCK.
PR: kern/175674
Modified:
head/lib/libc/gen/sem_new.c
Modified: head/lib/libc/gen/sem_new.c
===
Author: davidxu
Date: Tue Jan 22 03:23:14 2013
New Revision: 245761
URL: http://svnweb.freebsd.org/changeset/base/245761
Log:
Make "-D skip" option work with FIFO by opening file in non-blocking mode.
Reviewed by: jhb
Tested by:delphij
Modified:
head/gnu/usr.bin/grep/grep.c
Modif
Author: davidxu
Date: Fri Jan 4 11:11:12 2013
New Revision: 245036
URL: http://svnweb.freebsd.org/changeset/base/245036
Log:
Revert revision 244760 because strncpy pads trailing space with zero,
this prevents kernel data from being leaked.
Noticed by: Joerg Sonnenberger < joerg at britan
Author: davidxu
Date: Fri Dec 28 02:43:33 2012
New Revision: 244760
URL: http://svnweb.freebsd.org/changeset/base/244760
Log:
Use strlcpy to NULL-terminate error message even if user provided a short
buffer.
Modified:
head/sys/kern/vfs_mount.c
Modified: head/sys/kern/vfs_mount.c
==
Author: davidxu
Date: Wed Dec 26 13:07:17 2012
New Revision: 244695
URL: http://svnweb.freebsd.org/changeset/base/244695
Log:
Always initialize pattern_buf pointers to NULL, otherwise AMD64 machine
panics with:
free: address xxx(yyy) has not been allocated.
it can be triggered by hald.
Author: davidxu
Date: Thu Dec 6 06:29:08 2012
New Revision: 243938
URL: http://svnweb.freebsd.org/changeset/base/243938
Log:
Eliminate superfluous code.
Modified:
head/sys/kern/subr_uio.c
Modified: head/sys/kern/subr_uio.c
Author: davidxu
Date: Fri Nov 30 05:30:31 2012
New Revision: 243702
URL: http://svnweb.freebsd.org/changeset/base/243702
Log:
MFC r243599:
Take first active vnode correctly.
Modified:
stable/9/sys/kern/vfs_subr.c
Directory Properties:
stable/9/sys/ (props changed)
Modified: stable/9/sy
On 2012/11/27 21:52, Attilio Rao wrote:
> On Tue, Nov 27, 2012 at 6:07 AM, David Xu wrote:
>> Author: davidxu
>> Date: Tue Nov 27 06:07:58 2012
>> New Revision: 243599
>> URL: http://svnweb.freebsd.org/changeset/base/243599
>>
>> Log:
>> Take first a
Author: davidxu
Date: Tue Nov 27 12:23:57 2012
New Revision: 243615
URL: http://svnweb.freebsd.org/changeset/base/243615
Log:
Pass allocated unit number to make_dev, otherwise kernel panics later while
cloning second tap.
Reviewed by: kevlo,ed
Modified:
head/sys/net/if_tap.c
Modified:
Author: davidxu
Date: Tue Nov 27 06:07:58 2012
New Revision: 243599
URL: http://svnweb.freebsd.org/changeset/base/243599
Log:
Take first active vnode correctly.
Reviewed by: kib
MFC after:3 days
Modified:
head/sys/kern/vfs_subr.c
Modified: head/sys/kern/vfs_subr.c
===
Author: davidxu
Date: Mon Sep 10 05:12:45 2012
New Revision: 240297
URL: http://svn.freebsd.org/changeset/base/240297
Log:
POSIX requires sigevent to be visible after mqueue.h is included.
Modified:
head/include/mqueue.h
Modified: head/include/mqueue.h
===
Author: davidxu
Date: Mon Sep 10 05:09:39 2012
New Revision: 240296
URL: http://svn.freebsd.org/changeset/base/240296
Log:
Process CPU-Time Clocks option is supported, define _POSIX_CPUTIME.
Modified:
head/include/unistd.h
Modified: head/include/unistd.h
=
Author: davidxu
Date: Mon Sep 10 05:00:29 2012
New Revision: 240295
URL: http://svn.freebsd.org/changeset/base/240295
Log:
Add missing prototype for clock_getcpuclockid.
Modified:
head/include/time.h
Modified: head/include/time.h
==
Author: davidxu
Date: Mon Aug 27 03:09:39 2012
New Revision: 239718
URL: http://svn.freebsd.org/changeset/base/239718
Log:
In suspend_common(), don't wait for a thread which is in creation, because
pthread_suspend_all_np() may have already suspended its parent thread.
Add locking code in pth
Author: davidxu
Date: Thu Aug 23 05:15:15 2012
New Revision: 239609
URL: http://svn.freebsd.org/changeset/base/239609
Log:
Eliminate redundant code, _thr_spinlock_init() has already been called
in init_private(), don't call it again in fork() wrapper.
Modified:
head/lib/libthr/thread/thr_fo
uclockid.3
==
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/lib/libc/gen/clock_getcpuclockid.3 Tue Aug 21 09:18:28 2012
(r239486)
@@ -0,0 +1,95 @@
+.\" Copyright (c) 2012 David Xu
+.\"
Author: davidxu
Date: Tue Aug 21 09:17:13 2012
New Revision: 239485
URL: http://svn.freebsd.org/changeset/base/239485
Log:
Fix prototype. Also the function should return error code instead of
-1 on error.
Modified:
head/lib/libc/gen/clock_getcpuclockid.c
Modified: head/lib/libc/gen/clock_g
Author: davidxu
Date: Fri Aug 17 02:47:16 2012
New Revision: 239349
URL: http://svn.freebsd.org/changeset/base/239349
Log:
regen.
Modified:
head/sys/compat/freebsd32/freebsd32_proto.h
head/sys/compat/freebsd32/freebsd32_syscall.h
head/sys/compat/freebsd32/freebsd32_syscalls.c
head/sys/c
+1,39 @@
+/*
+ * Copyright (c) 2012 David Xu .
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
Author: davidxu
Date: Sun Aug 12 00:56:56 2012
New Revision: 239206
URL: http://svn.freebsd.org/changeset/base/239206
Log:
Do defered mutex wakeup once.
Modified:
head/lib/libthr/thread/thr_cond.c
Modified: head/lib/libthr/thread/thr_cond.c
===
Author: davidxu
Date: Sat Aug 11 23:48:39 2012
New Revision: 239202
URL: http://svn.freebsd.org/changeset/base/239202
Log:
Some style fixes inspired by @bde.
Modified:
head/sys/kern/kern_umtx.c
Modified: head/sys/kern/kern_umtx.c
==
Author: davidxu
Date: Sat Aug 11 23:17:02 2012
New Revision: 239200
URL: http://svn.freebsd.org/changeset/base/239200
Log:
MFp4:
Further decreases unexpected context switches by defering mutex wakeup
until internal sleep queue lock is released.
Modified:
head/lib/libthr/thread/thr_cond.c
Author: davidxu
Date: Sat Aug 11 00:06:56 2012
New Revision: 239187
URL: http://svn.freebsd.org/changeset/base/239187
Log:
tvtohz will print out an error message if a negative value is given
to it, avoid this problem by detecting timeout earlier.
Reported by: pho
Modified:
head/sys/ker
On 2012/8/2 22:17, Bruce Evans wrote:
On Thu, 2 Aug 2012, David Xu wrote:
On 2012/8/2 16:12, Bruce Evans wrote:
...
I made similar patches for sockets (to set POLLHUP on hangup (now in
-current) and to not set POLLIN on hangup unless there is still data
to be read). I started killing
On 2012/8/2 16:12, Bruce Evans wrote:
On Thu, 2 Aug 2012, David Xu wrote:
On 2012/8/2 3:29, Bruce Evans wrote:
On Wed, 1 Aug 2012, Giovanni Trematerra wrote:
...
[gianni@bombay] /usr/src/tools/regression/poll#./pipepoll
1..20
not ok 17 FIFO state 6a: expected POLLHUP; got POLLIN | POLLHUP
On 2012/8/2 3:29, Bruce Evans wrote:
On Wed, 1 Aug 2012, Giovanni Trematerra wrote:
On Tue, Jul 31, 2012 at 10:21 AM, David Xu
wrote:
...
The old code broke some history semantic of FIFO pipe, you can try
the test
tool /usr/src/tools/regression/poll/pipepoll, try it before and
after my
On 2012/7/31 15:22, Giovanni Trematerra wrote:
On Tue, Jul 31, 2012 at 7:48 AM, David Xu wrote:
Author: davidxu
Date: Tue Jul 31 05:48:35 2012
New Revision: 238936
URL: http://svn.freebsd.org/changeset/base/238936
Log:
I am comparing current pipe code with the one in 8.3-STABLE r236165
Author: davidxu
Date: Tue Jul 31 05:48:35 2012
New Revision: 238936
URL: http://svn.freebsd.org/changeset/base/238936
Log:
I am comparing current pipe code with the one in 8.3-STABLE r236165,
I found 8.3 is a history BSD version using socket to implement FIFO
pipe, it uses per-file seqcount
Author: davidxu
Date: Tue Jul 31 02:00:37 2012
New Revision: 238928
URL: http://svn.freebsd.org/changeset/base/238928
Log:
When a thread is blocked in direct write state, it only sets PIPE_DIRECTW
flag but not PIPE_WANTW, but FIFO pipe code does not understand this internal
state, when a FIF
On 2012/7/27 21:30, Bruce Evans wrote:
On Fri, 27 Jul 2012, Gleb Smirnoff wrote:
On Fri, Jul 27, 2012 at 10:32:55PM +1000, Bruce Evans wrote:
B> I just noticed that there is a technical problem -- the count is read
B> unlocked in the KASSERT. And since the comparision is for equality,
B> if yo
Author: davidxu
Date: Wed Jul 25 02:09:06 2012
New Revision: 238762
URL: http://svn.freebsd.org/changeset/base/238762
Log:
Use target thread's scheduling policy not current's.
Modified:
stable/8/lib/libthr/thread/thr_setprio.c
Modified: stable/8/lib/libthr/thread/thr_setprio.c
==
Author: davidxu
Date: Wed Jul 25 02:05:59 2012
New Revision: 238761
URL: http://svn.freebsd.org/changeset/base/238761
Log:
Release a reference count in case priority needn't
to be changed.
Modified:
stable/8/lib/libthr/thread/thr_setschedparam.c
Modified: stable/8/lib/libthr/thread/thr_set
Author: davidxu
Date: Wed Jul 25 01:57:53 2012
New Revision: 238760
URL: http://svn.freebsd.org/changeset/base/238760
Log:
Revert r238715, the revision breaks firefox.
Reported by: dougb
Modified:
stable/8/lib/libthr/thread/thr_setprio.c (contents, props changed)
stable/8/lib/libthr/
Author: davidxu
Date: Mon Jul 23 09:34:19 2012
New Revision: 238715
URL: http://svn.freebsd.org/changeset/base/238715
Log:
Merge r238637,r238640,r238641,r238642:
r238637 | davidxu | 2012-07-20 09:56:14 +0800 (Fri, 20
Author: davidxu
Date: Mon Jul 23 09:33:31 2012
New Revision: 238714
URL: http://svn.freebsd.org/changeset/base/238714
Log:
Merge r238637,r238640,r238641,r238642:
r238637 | davidxu | 2012-07-20 09:56:14 +0800 (Fri, 20
Author: davidxu
Date: Fri Jul 20 05:47:12 2012
New Revision: 238645
URL: http://svn.freebsd.org/changeset/base/238645
Log:
Don't forget to initialize return value.
Modified:
head/lib/libthr/thread/thr_getschedparam.c
Modified: head/lib/libthr/thread/thr_getschedparam.c
==
Author: davidxu
Date: Fri Jul 20 03:37:19 2012
New Revision: 238644
URL: http://svn.freebsd.org/changeset/base/238644
Log:
Simplify code by replacing _thr_ref_add() with _thr_find_thread().
Modified:
head/lib/libthr/thread/thr_info.c
Modified: head/lib/libthr/thread/thr_info.c
==
Author: davidxu
Date: Fri Jul 20 03:27:07 2012
New Revision: 238643
URL: http://svn.freebsd.org/changeset/base/238643
Log:
Eliminate duplicated code.
Modified:
head/lib/libthr/thread/thr_getschedparam.c
Modified: head/lib/libthr/thread/thr_getschedparam.c
Author: davidxu
Date: Fri Jul 20 03:22:17 2012
New Revision: 238642
URL: http://svn.freebsd.org/changeset/base/238642
Log:
Don't assign same value.
Modified:
head/lib/libthr/thread/thr_setprio.c
head/lib/libthr/thread/thr_setschedparam.c
Modified: head/lib/libthr/thread/thr_setprio.c
=
Author: davidxu
Date: Fri Jul 20 03:16:52 2012
New Revision: 238641
URL: http://svn.freebsd.org/changeset/base/238641
Log:
Eliminate duplicated code.
Modified:
head/lib/libthr/thread/thr_setprio.c
Modified: head/lib/libthr/thread/thr_setprio.c
Author: davidxu
Date: Fri Jul 20 03:00:41 2012
New Revision: 238640
URL: http://svn.freebsd.org/changeset/base/238640
Log:
Eliminate duplicated code.
Modified:
head/lib/libthr/thread/thr_setschedparam.c
Modified: head/lib/libthr/thread/thr_setschedparam.c
Author: davidxu
Date: Fri Jul 20 01:56:14 2012
New Revision: 238637
URL: http://svn.freebsd.org/changeset/base/238637
Log:
Don't forget to release a thread reference count,
replace _thr_ref_add() with _thr_find_thread(),
so reference count is no longer needed.
MFC after:3 days
Modi
Author: davidxu
Date: Tue Jul 17 02:02:40 2012
New Revision: 238541
URL: http://svn.freebsd.org/changeset/base/238541
Log:
MFC r238328:
Executing CPUID with EAX set to 1 to actually get feature flags.
PR: 169730
Modified:
stable/8/lib/libc/i386/gen/getcontextx.c
Directory Properties:
Author: davidxu
Date: Mon Jul 16 02:10:26 2012
New Revision: 238513
URL: http://svn.freebsd.org/changeset/base/238513
Log:
MFC r238328:
Executing CPUID with EAX set to 1 to actually get feature flags.
PR: 169730
Approved by:re (kib)
Modified:
stable/9/lib/libc/i386/gen/getcon
Author: davidxu
Date: Tue Jul 10 05:45:13 2012
New Revision: 238336
URL: http://svn.freebsd.org/changeset/base/238336
Log:
Always clear p_xthread if current thread no longer needs it, in theory, if
debugger exited without calling ptrace(PT_DETACH), there is a time window
that the p_xthread m
Author: davidxu
Date: Tue Jul 10 01:47:11 2012
New Revision: 238328
URL: http://svn.freebsd.org/changeset/base/238328
Log:
Executing CPUID with EAX set to 1 to actually get feature flags.
PR: 169730
Modified:
head/lib/libc/i386/gen/getcontextx.c
Modified: head/lib/libc/i386/gen/getcontex
Author: davidxu
Date: Mon Jul 9 09:24:46 2012
New Revision: 238287
URL: http://svn.freebsd.org/changeset/base/238287
Log:
If you have pressed CTRL+Z and a process is suspended, then you use gdb
to attach to the process, it is surprising that the process is resumed
without inputting any gdb
On 2012/06/28 21:52, Kostik Belousov wrote:
On Thu, Jun 28, 2012 at 4:00 PM, David Xu wrote:
On 2012/6/28 16:49, David Xu wrote:
On 2012/6/28 15:53, Konstantin Belousov wrote:
On Thu, Jun 28, 2012 at 10:53:03AM +0800, David Xu wrote:
On 2012/6/28 10:32, Attilio Rao wrote:
2012/6/28, David
On 2012/6/28 16:49, David Xu wrote:
On 2012/6/28 15:53, Konstantin Belousov wrote:
On Thu, Jun 28, 2012 at 10:53:03AM +0800, David Xu wrote:
On 2012/6/28 10:32, Attilio Rao wrote:
2012/6/28, David Xu:
On 2012/6/28 10:21, Attilio Rao wrote:
2012/6/28, David Xu:
On 2012/6/28 4:32, Konstantin
On 2012/6/28 15:53, Konstantin Belousov wrote:
On Thu, Jun 28, 2012 at 10:53:03AM +0800, David Xu wrote:
On 2012/6/28 10:32, Attilio Rao wrote:
2012/6/28, David Xu:
On 2012/6/28 10:21, Attilio Rao wrote:
2012/6/28, David Xu:
On 2012/6/28 4:32, Konstantin Belousov wrote:
Author: kib
Date
On 2012/6/28 10:32, Attilio Rao wrote:
2012/6/28, David Xu:
On 2012/6/28 10:21, Attilio Rao wrote:
2012/6/28, David Xu:
On 2012/6/28 4:32, Konstantin Belousov wrote:
Author: kib
Date: Wed Jun 27 20:32:45 2012
New Revision: 237660
URL: http://svn.freebsd.org/changeset/base/237660
Log
On 2012/6/28 10:21, Attilio Rao wrote:
2012/6/28, David Xu:
On 2012/6/28 4:32, Konstantin Belousov wrote:
Author: kib
Date: Wed Jun 27 20:32:45 2012
New Revision: 237660
URL: http://svn.freebsd.org/changeset/base/237660
Log:
Optimize the handling of SC_NPROCESSORS_CONF, by using auxv
return ((long)value);
mib[0] = CTL_HW;
mib[1] = HW_NCPU;
break;
Will this make controlling the number of CPU online or CPU hotplug
be impossible on FreeBSD ?
Regards,
David Xu
___
svn-src-all@freebsd.org mailing list
and the only caller always passes 0 as low. Given
that, how about the following:
http://people.freebsd.org/~mjg/patches/fd_last_used-cleanup.patch
Looks good too.
Updated in similar manner:
http://people.freebsd.org/~mjg/patches/fd_last_used-cleanup2.patch
I ha
On 2012/6/12 6:05, Pawel Jakub Dawidek wrote:
Author: pjd
Date: Mon Jun 11 22:05:26 2012
New Revision: 236935
URL: http://svn.freebsd.org/changeset/base/236935
Log:
fdgrowtable() no longer drops the filedesc lock so it is enough to
retry finding free file descriptor only once after fdgrowt
Author: davidxu
Date: Wed May 30 01:54:14 2012
New Revision: 236276
URL: http://svn.freebsd.org/changeset/base/236276
Log:
MFC r236135:
Return EBUSY for PTHREAD_MUTEX_ADAPTIVE_NP too when the mutex could not
be acquired.
PR: 168317
Modified:
stable/8/lib/libthr/thread/thr_mutex.
Author: davidxu
Date: Wed May 30 01:52:53 2012
New Revision: 236275
URL: http://svn.freebsd.org/changeset/base/236275
Log:
MFC r236135:
Return EBUSY for PTHREAD_MUTEX_ADAPTIVE_NP too when the mutex could not
be acquired.
PR: 168317
Modified:
stable/9/lib/libthr/thread/thr_mutex.
Author: davidxu
Date: Sun May 27 01:24:51 2012
New Revision: 236135
URL: http://svn.freebsd.org/changeset/base/236135
Log:
Return EBUSY for PTHREAD_MUTEX_ADAPTIVE_NP too when the mutex could not
be acquired.
PR: 168317
MFC after:3 days
Modified:
head/lib/libthr/thread/thr_mutex
Author: davidxu
Date: Mon May 21 03:06:31 2012
New Revision: 235714
URL: http://svn.freebsd.org/changeset/base/235714
Log:
Print key value, an index, otherwise we don't know which key is allocated.
Modified:
head/gnu/usr.bin/gdb/libgdb/fbsd-threads.c
Modified: head/gnu/usr.bin/gdb/libgdb/fbs
Author: davidxu
Date: Thu May 10 09:30:37 2012
New Revision: 235218
URL: http://svn.freebsd.org/changeset/base/235218
Log:
Create a common function lookup() to search a chan, this eliminates
redundant SC_LOOKUP() calling.
Modified:
head/lib/libthr/thread/thr_sleepq.c
Modified: head/lib/lib
Author: davidxu
Date: Sat May 5 23:51:24 2012
New Revision: 235068
URL: http://svn.freebsd.org/changeset/base/235068
Log:
Fix mis-merged line, move SC_LOOKUP() call to
upper level.
Modified:
head/lib/libthr/thread/thr_sleepq.c
Modified: head/lib/libthr/thread/thr_sleepq.c
Author: davidxu
Date: Thu May 3 09:17:31 2012
New Revision: 234947
URL: http://svn.freebsd.org/changeset/base/234947
Log:
MFp4:
Enqueue thread in LIFO, this can cause starvation, but it gives better
performance. Use _thr_queuefifo to control the frequency of FIFO vs LIFO,
you can use envi
Author: davidxu
Date: Thu May 3 03:05:18 2012
New Revision: 234937
URL: http://svn.freebsd.org/changeset/base/234937
Log:
Merge 233103, 233912 from head:
233103:
Some software think a mutex can be destroyed after it owned it, for
example, it uses a serialization point like following:
Author: davidxu
Date: Tue Apr 17 09:18:06 2012
New Revision: 234373
URL: http://svn.freebsd.org/changeset/base/234373
Log:
Merge 233103 from head:
Some software think a mutex can be destroyed after it owned it, for
example, it uses a serialization point like following:
pthread_mut
Author: davidxu
Date: Tue Apr 17 09:09:14 2012
New Revision: 234372
URL: http://svn.freebsd.org/changeset/base/234372
Log:
Merge 233103, 233912 from head:
233103:
Some software think a mutex can be destroyed after it owned it, for
example, it uses a serialization point like following:
Author: davidxu
Date: Tue Apr 17 09:02:55 2012
New Revision: 234371
URL: http://svn.freebsd.org/changeset/base/234371
Log:
MFC r233912:
mtx operation UMTX_OP_MUTEX_WAKE has a side-effect that it accesses
a mutex after a thread has unlocked it, it event writes data to the mutex
memory to
Author: davidxu
Date: Thu Apr 5 03:05:02 2012
New Revision: 233913
URL: http://svn.freebsd.org/changeset/base/233913
Log:
In sem_post, the field _has_waiters is no longer used, because some
application destroys semaphore after sem_wait returns. Just enter
kernel to wake up sleeping threads,
Author: davidxu
Date: Thu Apr 5 02:24:08 2012
New Revision: 233912
URL: http://svn.freebsd.org/changeset/base/233912
Log:
umtx operation UMTX_OP_MUTEX_WAKE has a side-effect that it accesses
a mutex after a thread has unlocked it, it event writes data to the mutex
memory to clear contention
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