| Commit message (Collapse) | Author | Age | Files | Lines |
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- Remove unused TXP_PCI_INTLINE and TXP_DEVNAME macros.
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The DMA controller driver only knows how to do memory to memory copies, and
the AAU driver how to zero a chunk of memory.
Use them to process big (>=1KB) copying/zeroing.
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can happen.
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instead of trying to do the same.
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dumped.
For iq31244_machdep.c, attempt to recognize hints provided by the elf
trampoline.
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dedicated sysctl handlers. Protect manipulations with
poll_mtx. The affected sysctls are:
- kern.polling.burst_max
- kern.polling.each_burst
- kern.polling.user_frac
- kern.polling.reg_frac
o Use CTLFLAG_RD on MIBs that supposed to be read-only.
o u_int32t -> uint32_t
o Remove unneeded locking from poll_switch().
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- Use the new API for pmap_copy_page() and pmap_zero_page().
- Just write-back the pages in pmap_qenter(), and invalidate it in
pmap_qremove().
- Nuke the cache flushing in pmap_enter_quick(), it's not needed anymore.
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copy/zeroing.
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needed for userland when reading kernel dumps.
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is able to load the kernel into memory, symbol table included. This is
needed to be able to access the symbol table from DDB without a boot
loader.
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Don't try to dereference map if it's NULL.
While I'm there, increase the minimum value to write-back/invalidate the
whole dcache in bus_dmamap_sync().
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Obtained from: NetBSD
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possible for do_execve() to call exit1() rather than returning. As a
result, the sequence "allocate memory; call kern_execve; free memory"
can end up leaking memory.
This commit documents this astonishing behaviour and adds a call to
exec_free_args() before the exit1() call in do_execve(). Since all
the users of kern_execve() in the tree use exec_free_args() to free
the command-line arguments after kern_execve() returns, this should
be safe, and it fixes the memory leak which can otherwise occur.
Submitted by: Peter Holm
MFC after: 3 days
Security: Local denial of service
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generally nicer.
Spotted by: johan
MFC after: 1 week
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whether the interface being accessed is IFF_NEEDSGIANT or not. This
avoids lock order reversals when calling into the interface ioctl
handler, which could potentially lead to deadlock.
The long term solution is to eliminate non-MPSAFE network drivers.
Discussed with: jhb
MFC after: 1 week
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interface polling, compiles on 64-bit platforms, and compiles on NetBSD,
OpenBSD, BSD/OS, and Linux. Woo! Thanks to David Boggs for providing this
driver.
Altq, sppp, netgraph, and bpf are required for this driver to operate.
Userland tools and man pages will be committed next.
Submitted by: David Boggs
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to the parent interface, such as IFF_PROMISC and
IFF_ALLMULTI. In addition, vlan(4) gains ability
to migrate from one parent to another w/o losing
its own flags.
PR: kern/81978
MFC after: 2 weeks
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. use KASSERT for all checks so that the source of an error can be detected;
. use __func__ instead of spelling function name each time;
. fix a typo.
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as it is done for usual promiscuous mode already. This info is important
because promiscuous mode in the hands of a malicious party can jeopardize
the whole network.
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calling sysctl_out_proc(). -- fix from jhb
Move the code in fill_kinfo_thread() that gathers data from struct proc
into the new function fill_kinfo_proc_only().
Change all callers of fill_kinfo_thread() to call both
fill_kinfo_proc_only() and fill_kinfo() thread. When gathering
data from a multi-threaded process, fill_kinfo_proc_only() only needs
to be called once.
Grab sched_lock before accessing the process thread list or calling
fill_kinfo_thread().
PR: kern/84684
MFC after: 3 days
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- Make it so one can't call db_setup_paging() if it has already been called
before. traceall needs this, or else the db_setup_paging() call from
db_trace_thread() will reset the printed line number, and override its
argument.
This is not perfect for traceall, because even if one presses 'q' while in
the middle of printing a backtrace it will finish printing the backtrace
before exiting, as db_trace_thread() won't be notified it should stop, but
it is hard to do better without reworking the pager interface a lot more.
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are already filtered by the higher layers.
Approved by: mlaier (mentor)
MFC after: 3 days
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sampling rate between playback and recording. This can be
disabled / enabled via kernel hints
(hint.pcm.<unit>.fixed_rate=0/4000-48000) or sysctl
hw.snd.pcm<unit>.fixed_rate=0/4000-48000). Default to 48khz
fixed rate. [1]
* Basic cleanup. *_es1371x_* -> *_es137x_*.
* Some locking fixes. [2]
Submitted by: Ariff Abdullah <skywizard@MyBSD.org.my>
Discussed with: yongari [2]
See also: http://lists.freebsd.org/pipermail/freebsd-multimedia/2005-September/002758.html [1]
Reported by: Jos Backus <jos at catnook.com> [1]
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Submitted by: Ariff Abdullah <skywizard@MyBSD.org.my>
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Submitted by: Ariff Abdullah <skywizard@MyBSD.org.my>
Pointy hat to: netchild (for not committing it with rev. 1.56 of ac97.c)
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* General spl* cleanup. It doesn't serve any purpose anymore.
* Nuke sndstat_busy(). Addition of sndstat_acquire() /
sndstat_release() for sndstat exclusive access. [1]
sys/dev/sound/pcm/sound.c:
* Remove duplicate SLIST_INIT()
* Use sndstat_acquire() / release() to lock / release the entire
sndstat during pcm_unregister(). This should fix LOR #159 [1]
sys/dev/sound/pcm/sound.h:
* Definition of SD_F_SOFTVOL (part of feeder volume)
* Nuke sndstat_busy(). Addition of sndstat_acquire() /
sndstat_release() for exclusive sndstat access. [1]
Submitted by: Ariff Abdullah <skywizard@MyBSD.org.my>
LOR: 159 [1]
Discussed with: yongari [1]
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Submitted by: Ariff Abdullah <skywizard@MyBSD.org.my>
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* Added codec id for CMI9761.
* feeder_volume *whitelist* through ac97_fix_volume()
sys/dev/sound/pcm/ac97.h:
* Added AC97_F_SOFTVOL definition.
sys/dev/sound/pcm/channel.c:
* Slight changes for chn_setvolume() to conform with OSS.
* FEEDER_VOLUME is now part of feeder building process.
sys/dev/sound/pcm/mixer.c:
* General spl* cleanup. It doesn't serve any purpose anymore.
* Main hook for feeder_volume.
Submitted by: Ariff Abdullah <skywizard@MyBSD.org.my>
Tested by: multimedia@
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Submitted by: Ariff Abdullah <skywizard@MyBSD.org.my>
Tested by: multimedia@
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threads. This is quite useful if generating a debug log for post-mortem
by another developer, in which case the person at the console may not
know which threads are of interest. The output of this can be quite
long.
Discussed with: kris
MFC after: 3 days
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included in the kernel.
MFC after: 0 days
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interfaces.
Obtained from: TrustedBSD Project
Submitted by: Chris Vance <Christopher dot Vance at SPARTA dot com>
MFC after: 3 days
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This is a special case because tcp_twstart() destroys a tcp control
block via tcp_discardcb() so we cannot call tcp_drop(struct *tcpcb) on
such connections. Use tcp_twclose() instead.
MFC after: 5 days
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protocols. This is very useful for tunneled SMB connections.
MFC after: 4 weeks
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- WEP TX fix:
The original code called software crypto, ieee80211_crypto_encap(),
which never worked since IEEE80211_KEY_SWCRYPT was never flagged due to
ieee80211_crypto_newkey() assumes that wi always supports hardware based
crypto regardless of operational mode(by virtue of IEEE80211_C_WEP).
This fix works around that issue by adding wi_key_alloc() to force
the use of s/w crypto. Also if anyone ever decides to cleanup ioctl
handling where key changes wouldn't cause a call to wi_init() every time,
we'll need wi_key_alloc() to DTRT.
In addition to that, this fix also adds code to wi_write_wep() to force
existing keys to be switched between h/w and s/w crypto such that an
operation mode change(sta <-> hostap) will flag IEEE80211_KEY_SWCRYPT
properly.
- WEP RX fix:
Clear IEEE80211_F_DROPUNENC even in hostap mode. Quote from Sam:
"This is really gross but I don't see an easy way around it.
By doing it we lose the ability to independently drop unencode
frames (and support mixed wep/!wep use). We should really be
setting the EXCLUDE_UNENCRYPTED flag written in wi_write_wep
based on IEEE80211_F_DROPUNENC but with our clearing it we can't
depend on it being set properly."
Reported by: Holm Tiffe <holm at freibergnet dot de>
Submitted by: sam
MFC after: 3 days
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Submitted by: sam
MFC after: 3 days
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make -j with high levels of parallelism: acquire Giant in fifo I/O
routines.
Discussed with: ups
MFC after: 3 days
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Explosion triggered by: pjd
MFC: 3 days
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check in ffs_copyonwrite() that is a precondition for calling
waitrunningbufspace().
Pointed out by: tegge
Pointy hat to: truckman
MFC after: 3 days
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o Axe poll in trap.
o Axe IFF_POLLING flag from if_flags.
o Rework revision 1.21 (Giant removal), in such a way that
poll_mtx is not dropped during call to polling handler.
This fixes problem with idle polling.
o Make registration and deregistration from polling in a
functional way, insted of next tick/interrupt.
o Obsolete kern.polling.enable. Polling is turned on/off
with ifconfig.
Detailed kern_poll.c changes:
- Remove polling handler flags, introduced in 1.21. The are not
needed now.
- Forget and do not check if_flags, if_capenable and if_drv_flags.
- Call all registered polling handlers unconditionally.
- Do not drop poll_mtx, when entering polling handlers.
- In ether_poll() NET_LOCK_GIANT prior to locking poll_mtx.
- In netisr_poll() axe the block, where polling code asks drivers
to unregister.
- In netisr_poll() and ether_poll() do polling always, if any
handlers are present.
- In ether_poll_[de]register() remove a lot of error hiding code. Assert
that arguments are correct, instead.
- In ether_poll_[de]register() use standard return values in case of
error or success.
- Introduce poll_switch() that is a sysctl handler for kern.polling.enable.
poll_switch() goes through interface list and enabled/disables polling.
A message that kern.polling.enable is deprecated is printed.
Detailed driver changes:
- On attach driver announces IFCAP_POLLING in if_capabilities, but
not in if_capenable.
- On detach driver calls ether_poll_deregister() if polling is enabled.
- In polling handler driver obtains its lock and checks IFF_DRV_RUNNING
flag. If there is no, then unlocks and returns.
- In ioctl handler driver checks for IFCAP_POLLING flag requested to
be set or cleared. Driver first calls ether_poll_[de]register(), then
obtains driver lock and [dis/en]ables interrupts.
- In interrupt handler driver checks IFCAP_POLLING flag in if_capenable.
If present, then returns.This is important to protect from spurious
interrupts.
Reviewed by: ru, sam, jhb
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to avoid touching pageable memory while holding a mutex.
Simplify argument list replacement logic.
PR: kern/84935
Submitted by: "Antoine Pelisse" apelisse AT gmail.com (in a different form)
MFC after: 3 days
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