- 29 Mar, 2006 40 commits
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Lennert Buytenhek authored
gcc4 doesn't like us declaring a static function inside another function. We can do away with this construct altogether and use BUILD_BUG_ON() instead (idea from Andi Kleen.) Signed-off-by:
Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by:
Jeff Garzik <jeff@garzik.org>
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Gary Zambrano authored
Added code to check for invalid MAC address from eeprom or user input. Signed-off-by:
Gary Zambrano <zambrano@broadcom.com> Signed-off-by:
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Linas Vepstas authored
The comments concerning how the pcnet32 ethernet device driver selects the MAC addr to use are incorrect. A recent patch (in the last 3 months) changed how the code worked, but did not change the comments. Side comment: the new behaviour is good; I've got a pcnet32 card which powers up with garbage in the CSR's, and a good MAC addr in the PROM. Signed-off-by:
Linas Vepstas <linas@linas.org> Signed-off-by:
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Arthur Othieno authored
Don't bother testing for CONFIG_NET_CBUS ("NEC PC-9800 C-bus cards"); it went out with the rest of PC98 subarch. Signed-off-by:Arthur Othieno <apgo@patchbomb.org> Cc: Jeff Garzik <jgarzik@pobox.com> Signed-off-by:
Andrew Morton <akpm@osdl.org> Signed-off-by:
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Mark Brown authored
The natsemi chip can have a larger EEPROM attached than it itself uses for configuration. This patch adds support for user space access to such an EEPROM. Signed-off-by:
Mark Brown <broonie@sirena.org.uk> Cc: Tim Hockin <thockin@hockin.org> Cc: Jeff Garzik <jgarzik@pobox.com> Signed-off-by:
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Jens Osterkamp authored
This enables TX checksum offloading for the spidernet driver by default. Signed-off-by:
Jens Osterkamp <Jens.Osterkamp@de.ibm.com> Signed-off-by:
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Jay Vosburgh authored
Add support for the bonding master to specify its carrier state based upon the state of the slaves. For 802.3ad, the bond is up if there is an active, parterned aggregator. For other modes, the bond is up if any slaves are up. Updates driver version to 3.0.3. Based on a patch by jamal <hadi@cyberus.ca>. Signed-off-by:
Jay Vosburgh <fubar@us.ibm.com> Signed-off-by:
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Randy Dunlap authored
Fix section mismatches in acenic driver: WARNING: drivers/net/acenic.o - Section mismatch: reference to .init.data:tigon2FwText from .text between 'acenic_probe_one' (at offset 0x2409) and 'ace_interrupt' WARNING: drivers/net/acenic.o - Section mismatch: reference to .init.data:tigon2FwRodata from .text between 'acenic_probe_one' (at offset 0x2422) and 'ace_interrupt' Signed-off-by:
Randy Dunlap <rdunlap@xenotime.net> Signed-off-by:
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Jens Osterkamp authored
This patch reduces the message level of the RX ram full messages from err to debug to prevent spamming the console leaving it in the logfiles though. From: Jens Osterkamp <Jens.Osterkamp@de.ibm.com> Signed-off-by: -
Roger Luethi authored
Problems with link state detection have been reported several times in the past months. Denis Vlasenko did all the work tracking it down. Jeff Garzik suggested the proper place for the fix. When using the mii library, the driver needs to check mii->force_media and set dev->state accordingly. Signed-off-by:
Roger Luethi <rl@hellgate.ch> Signed-off-by:
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Komuro authored
Signed-off-by: -
Gary Zambrano authored
Initializing the b44 MAC & PCI functional blocks in the controller must occur inside init_one(). This will allow access to the MAC registers. The controller was being powered up in b44_open() which would not allow access to the registers before ifconfig was up. Philip Kohlbecher found this bug. Signed-off-by: -
Linus Torvalds authored
* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: [NETFILTER]: Rename init functions. [TCP]: Fix RFC2465 typo. [INET]: Introduce tunnel4/tunnel6 [NET]: deinline 200+ byte inlines in sock.h [ECONET]: Convert away from SOCKOPS_WRAPPED [NET]: Fix ipx/econet/appletalk/irda ioctl crashes [NET]: Kill Documentation/networking/TODO [TG3]: Update version and reldate [TG3]: Skip timer code during full lock [TG3]: Speed up SRAM access [TG3]: Fix PHY loopback on 5700 [TG3]: Fix bug in 40-bit DMA workaround code [TG3]: Fix probe failure due to invalid MAC address
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git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpcLinus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (67 commits) [PATCH] powerpc: Remove oprofile spinlock backtrace code [PATCH] powerpc: Add oprofile calltrace support to all powerpc cpus [PATCH] powerpc: Add oprofile calltrace support [PATCH] for_each_possible_cpu: ppc [PATCH] for_each_possible_cpu: powerpc [PATCH] lock PTE before updating it in 440/BookE page fault handler [PATCH] powerpc: Kill _machine and hard-coded platform numbers ppc: Fix compile error in arch/ppc/lib/strcase.c [PATCH] git-powerpc: WARN was a dumb idea [PATCH] powerpc: a couple of trivial compile warning fixes powerpc: remove OCP references powerpc: Make uImage default build output for MPC8540 ADS powerpc: move math-emu over to arch/powerpc powerpc: use memparse() for mem= command line parsing ppc: fix strncasecmp prototype [PATCH] powerpc: make ISA floppies work again [PATCH] powerpc: Fix some initcall return values [PATCH] powerpc: Workaround for pSeries RTAS bug [PATCH] spufs: fix __init/__exit annotations [PATCH] powerpc: add hvc backend for rtas ...
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git://oss.sgi.com:8090/oss/git/xfs-2.6Linus Torvalds authored
* git://oss.sgi.com:8090/oss/git/xfs-2.6: [XFS] Cleanup in XFS after recent get_block_t interface tweaks. [XFS] Remove unused/obsoleted function: xfs_bmap_do_search_extents() [XFS] A change to inode chunk allocation to try allocating the new chunk Fixes a regression from the recent "remove ->get_blocks() support" [XFS] Fix compiler warning and small code inconsistencies in compat [XFS] We really suck at spulling. Thanks to Chris Pascoe for fixing all
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Linus Torvalds authored
* 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/scjody/ieee1394: ohci1394: cleanup the "Unexpected PCI resource length" warning. sbp2: misc debug logging cleanups sbp2: proper treatment of DID_OK ieee1394: set read permission for parameter disable_irm sbp2: check for ARM failure ohci1394: clean up asynchronous and physical request filters programming ieee1394: remove amdtp remains from ieee1394_core.h ieee1394: remove devfs support Signed-off-by:Jody McIntyre <scjody@modernduck.com> sbp2: prevent unloading of 1394 low-level driver
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Anton Blanchard authored
Remove oprofile spinlock backtrace code now we have proper calltrace support. Also make MMCRA sihv and sipr bits a variable since they may change in future cpus. Finally, MMCRA should be a 64bit quantity. Signed-off-by:
Anton Blanchard <anton@samba.org> Signed-off-by:
Paul Mackerras <paulus@samba.org>
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Anton Blanchard authored
Add calltrace support for other powerpc cpus. Tested on 7450. Signed-off-by:
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Brian Rogan authored
Add oprofile calltrace support to powerpc. Disable spinlock backtracing now we can use calltrace info. (Updated to work on both 32bit and 64bit by me). Signed-off-by:
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KAMEZAWA Hiroyuki authored
for_each_cpu() actually iterates across all possible CPUs. We've had mistakes in the past where people were using for_each_cpu() where they should have been iterating across only online or present CPUs. This is inefficient and possibly buggy. We're renaming for_each_cpu() to for_each_possible_cpu() to avoid this in the future. This patch replaces for_each_cpu with for_each_possible_cpu. Signed-off-by:
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Signed-off-by:
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KAMEZAWA Hiroyuki authored
for_each_cpu() actually iterates across all possible CPUs. We've had mistakes in the past where people were using for_each_cpu() where they should have been iterating across only online or present CPUs. This is inefficient and possibly buggy. We're renaming for_each_cpu() to for_each_possible_cpu() to avoid this in the future. This patch replaces for_each_cpu with for_each_possible_cpu. Signed-off-by:
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Eugene Surovegin authored
Fix 44x and BookE page fault handler to correctly lock PTE before trying to pte_update() it, otherwise this PTE might be swapped out after pte_present() check but before pte_uptdate() call, resulting in corrupted PTE. This can happen with enabled preemption and low memory condition. Signed-off-by:
Eugene Surovegin <ebs@ebshome.net> Signed-off-by:
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Oleg Nesterov authored
send_sigqueue() checks PF_EXITING, then locks p->sighand->siglock. This is unsafe: 'p' can exit in between and set ->sighand = NULL. The race is theoretical, the window is tiny and irqs are disabled by the caller, so I don't think we need the fix for -stable tree. Convert send_sigqueue() to use lock_task_sighand() helper. Also, delete 'p->flags & PF_EXITING' re-check, it is unneeded and the comment is wrong. Signed-off-by:
Oleg Nesterov <oleg@tv-sign.ru> Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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Oleg Nesterov authored
The previous patch has changed callsites of do_notify_parent_cldstop() so that to_self == (->ptrace & PT_PTRACED) always (as it should be). We can remove this parameter now. Signed-off-by:
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Oleg Nesterov authored
Remove an obscure 'stop_count < 0' check in finish_stop(). The previous patch made this case impossible. Signed-off-by:
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Oleg Nesterov authored
do_signal_stop() considers 'thread_group_empty()' as a special case. This was needed to avoid taking tasklist_lock. Since this lock is unneeded any longer, we can remove this special case and simplify the code even more. Also, before this patch, finish_stop() was called with stop_count == -1 for 'thread_group_empty()' case. This is not strictly wrong, but confusing and unneeded. Signed-off-by:
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Oleg Nesterov authored
Move 'tsk->sighand = NULL' from cleanup_sighand() to __exit_signal(). This makes the exit path more understandable and allows us to do cleanup_sighand() outside of ->siglock protected section. Signed-off-by:
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Oleg Nesterov authored
Eric W. Biederman wrote: > > Ok. SUSV3/Posix is clear, fork is atomic with respect > to signals. Either a signal comes before or after a > fork but not during. (See the rationale section). > http://www.opengroup.org/onlinepubs/000095399/functions/fork.html > > The tasklist_lock does not stop forks from adding to a process > group. The forks stall while the tasklist_lock is held, but a fork > that began before we grabbed the tasklist_lock simply completes > afterwards, and the child does not receive the signal. This also means that SIGSTOP or sig_kernel_coredump() signal can't be delivered to pgrp/session reliably. With this patch copy_process() returns -ERESTARTNOINTR when it detects a pending signal, fork() will be restarted transparently after handling the signals. This patch also deletes now unneeded "group_stop_count > 0" check, copy_process() can no longer succeed while group stop in progress. Signed-off-by:
Eric Biederman <ebiederm@xmission.com> Signed-off-by:
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Oleg Nesterov authored
This patch kills PIDTYPE_TGID pid_type thus saving one hash table in kernel/pid.c and speeding up subthreads create/destroy a bit. It is also a preparation for the further tref/pids rework. This patch adds 'struct list_head thread_group' to 'struct task_struct' instead. We don't detach group leader from PIDTYPE_PID namespace until another thread inherits it's ->pid == ->tgid, so we are safe wrt premature free_pidmap(->tgid) call. Currently there are no users of find_task_by_pid_type(PIDTYPE_TGID). Should the need arise, we can use find_task_by_pid()->group_leader. Signed-off-by:
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Oleg Nesterov authored
do_sigaction() does not need tasklist_lock anymore, we can simplify the code. Signed-off-by:
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Oleg Nesterov authored
do_group_exit() takes tasklist_lock for zap_other_threads(), this is unneeded now. Signed-off-by:
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Oleg Nesterov authored
do_signal_stop() does not need tasklist_lock anymore. So it does not need to do misc re-checks, and we can simplify the code. Signed-off-by:
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Oleg Nesterov authored
handle_stop_signal() does not need tasklist_lock for SIG_KERNEL_STOP_MASK signals anymore. Signed-off-by:
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Oleg Nesterov authored
sys_times: don't take tasklist_lock Signed-off-by:
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Oleg Nesterov authored
This patch moves __unhash_process() call from realease_task() to __exit_signal(), so __detach_pid() is called with ->siglock held. This means we don't need tasklist_lock to iterate over thread group anymore: copy_process() was already changed to do attach_pid() under ->siglock. Eric's "pidhash-kill-switch_exec_pids.patch" from -mm changed de_thread() so it doesn't touch PIDTYPE_TGID. NOTE: de_thread() still needs some attention. It still changes task->pid lockless. Taking ->sighand.siglock here allows to do more tasklist_lock removals. Signed-off-by:
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Oleg Nesterov authored
This patch reverts 'CONFIG_SMP && thread_group_empty()' optimization in sys_times(). The reason is that the next patch breaks memory ordering which is needed for that optimization. tasklist_lock in sys_times() will be eliminated completely by further patch. Signed-off-by:
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Oleg Nesterov authored
__exit_signal() is private to release_task() now. I think it is better to make it static in kernel/exit.c and export flush_sigqueue() instead - this function is much more simple and straightforward. Signed-off-by:
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Oleg Nesterov authored
Cosmetic, rename __exit_sighand to cleanup_sighand and move it close to copy_sighand(). This matches copy_signal/cleanup_signal naming, and I think it is easier to follow. Signed-off-by:
"Paul E. McKenney" <paulmck@us.ibm.com> Signed-off-by:
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Oleg Nesterov authored
This patch factors out duplicated code under 'if' branches. Also, BUG_ON() conversions and whitespace cleanups. Signed-off-by:
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