- 31 Jul, 2006 40 commits
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Heiko Carstens authored
Initialize init task's pi_waiters plist. Otherwise cpu hotplug of cpu 0 might crash, since rt_mutex_getprio() accesses an uninitialized list head. call chain which led to crash: take_cpu_down sched_idle_next __setscheduler rt_mutex_getprio Using PLIST_HEAD_INIT in the INIT_TASK macro doesn't work unfortunately, since the pi_waiters member is only conditionally present. Cc: Arjan van de Ven <arjan@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Acked-by:
Ingo Molnar <mingo@elte.hu> Signed-off-by:
Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by:
Andrew Morton <akpm@osdl.org> Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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Olaf Hering authored
Hide the video drivers for onboard graphics found in early PCI PowerMacs in Apple G5 config files. drivers/built-in.o: In function `.platinumfb_probe': platinumfb.c:(.text+0x377a0): undefined reference to `.nvram_read_byte' platinumfb.c:(.text+0x37830): undefined reference to `.nvram_read_byte' drivers/built-in.o: In function `.control_init': controlfb.c:(.init.text+0x1938): undefined reference to `.nvram_read_byte' controlfb.c:(.init.text+0x1968): undefined reference to `.nvram_read_byte' drivers/built-in.o: In function `.valkyriefb_init': (.init.text+0x2300): undefined reference to `.nvram_read_byte' drivers/built-in.o:(.init.text+0x239c): more undefined references to `.nvram_read_byte' follow Signed-off-by:
Olaf Hering <olh@suse.de> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by:
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Olaf Hering authored
Enable mac partition table support per default also for a powermac config. Signed-off-by:
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Daniel Ritz authored
Values displayed when by cardctl config are horribly wrong for 16bit cards. this fixes it up by not using memcpy() since source and target struct are very different. Signed-off-by:
Daniel Ritz <daniel.ritz@gmx.ch> Cc: Dominik Brodowski <linux@dominikbrodowski.net> Signed-off-by:
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Daniel Ritz authored
the p_dev == NULL checks are wrong. the called functions handle a NULL p_dev on their own. w/o this patch output of cardcctl status and cardctl config is broken for cardbus cards or when the slot is empty. Signed-off-by:
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Frederik Deweerdt authored
WARNING: drivers/video/console/mdacon.o - Section mismatch: reference to .init.text: from .text between 'mdacon_startup' (at offset 0x123) and 'mdacon_init' WARNING: drivers/video/console/mdacon.o - Section mismatch: reference to .init.text: from .text between 'mdacon_startup' (at offset 0x18b) and 'mdacon_init' Signed-off-by:
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Brent Casavant authored
The SGI IOC4 IDE device always shares an interrupt with other devices which are part of IOC4. As such, IDEPCI_SHARE_IRQ should always be enabled when BLK_DEV_SGIIOC4 is enabled. Signed-off-by:
Brent Casavant <bcasavan@sgi.com> Signed-off-by:
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Randy Dunlap authored
A few cleanups to SubmittingPatches: - mention SubmitChecklist - remove mention of my simple patch script tools - remove last-updated line Signed-off-by:
Randy Dunlap <rdunlap@xenotime.net> Signed-off-by:
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Rolf Eike Beer authored
kernel/workqueue.c was omitted from generating kernel documentation. This adds a new section "Workqueues and Kevents" and adds documentation for some of the functions. Some functions in this file already had DocBook-style comments, now they finally become visible. Signed-off-by:
Rolf Eike Beer <eike-kernel@sf-tec.de> Cc: "Randy.Dunlap" <rdunlap@xenotime.net> Signed-off-by:
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Randy Dunlap authored
Clean up kernel-doc comments in drivers/pci/search.c (line sizes and typos). Enable that source file in DocBook/kernel-api.tmpl. Signed-off-by:
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Randy Dunlap authored
Ignore __devinit in function definitions so that kernel-doc won't fail on them. Signed-off-by:
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Randy Dunlap authored
insert_resource() was unexported, so kernel-doc needs to be told to search kernel/resource.c for internal functions instead of exported functions so that it won't report an error. Signed-off-by:
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Jim Houston authored
In cond_resched_lock() it calls __resched_legal() before dropping the spin lock. __resched_legal() will always finds the preempt_count non-zero and will prevent the call to __cond_resched(). The attached patch adds a parameter to __resched_legal() with the expected preempt_count value. Cc: Ingo Molnar <mingo@elte.hu> Cc: <stable@kernel.org> Signed-off-by:
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Steven Rostedt authored
We have #define INDEX(N) (base->timer_jiffies >> (TVR_BITS + N * TVN_BITS)) & TVN_MASK and it's used via list = varray[i + 1]->vec + (INDEX(i + 1)); So, due to underparenthesisation, this INDEX(i+1) is now a ... (TVR_BITS + i + 1 * TVN_BITS)) ... So this bugfix changes behaviour. It worked before by sheer luck: "If i was anything but 0, it was broken. But this was only used by s390 and arm. Since it was for the next interrupt, could that next interrupt be a problem (going into the second cascade)? But it was probably seldom wrong. That is, this would fail if the next interrupt was in the second cascade, and was wrapped. Which may never of happened. Also if it did happen, it would have just missed the interrupt. If an interrupt was missed, and no one was there to miss it, was it really missed :-)" Signed-off-by:
Steven Rostedt <rostedt@goodmis.org> Cc: Oleg Nesterov <oleg@tv-sign.ru> Signed-off-by:
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Chandra Seetharaman authored
Use hotplug version of register_cpu_notifier in late init functions. Signed-off-by:
Chandra Seetharaman <sekharan@us.ibm.com> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Andi Kleen <ak@muc.de> Signed-off-by:
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Chandra Seetharaman authored
Update hotplug cpu documentation to clearly state when to use register_cpu_notifier() and register_hotcpu_notifier. Signed-off-by:
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Chandra Seetharaman authored
Few of the callback functions and notifier blocks that are associated with cpu notifications incorrectly have __devinit and __devinitdata. They should be __cpuinit and __cpuinitdata instead. It makes no functional difference but wastes text area when CONFIG_HOTPLUG is enabled and CONFIG_HOTPLUG_CPU is not. This patch fixes all those instances. Signed-off-by:
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Horms authored
This patch is part of an effort to unify the panic_on_oops behaviour across all architectures that implement it. It was pointed out to me by Andi Kleen that if an oops has occured in interrupt context, then calling sleep() in the oops path will only cause a panic, and that it would be really better for it not to be in the path at all. This patch removes the ssleep() call and reworks the console message accordinly. I have a slght concern that the resulting console message is too long, feedback welcome. For powerpc it also unifies the 32bit and 64bit behaviour. Fror x86_64, this patch only updates the console message, as ssleep() is already not present. Signed-off-by:
Horms <horms@verge.net.au> Acked-by:
Paul Mackerras <paulus@samba.org> Cc: Russell King <rmk@arm.linux.org.uk> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: Andi Kleen <ak@muc.de> Cc: Chris Zankel <chris@zankel.net> Signed-off-by:
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Yoichi Yuasa authored
Reduce the likelihood of someone accidentally introducing namespace collisions. Signed-off-by:
Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by:
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Michal Feix authored
When reading from nbd device, we need to receive all the data after receiving reply packet from the server - otherwise such request will never be ended. If socket is closed right after accepting reply control packet and in the middle of waiting for read data, nbd_read_stat() returns NULL and nbd_end_request() is not called. This patch fixes it. Signed-off-by:
Michal Feix <michal@feix.cz> Acked-by:
Paul Clements <paul.clements@steeleye.com> Signed-off-by:
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Michal Feix authored
We should check magic sequence in reply packet before trying to find request with it's request handle. This also solves the problem with "Unexpected reply" message beeing logged, when packet with invalid magic is received. Signed-off-by:
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Arjan van de Ven authored
The pkt_*_dev functions operate on not-this-blockdevice, and that is sufficiently checked at setup time. As a result there is a natural hierarchy, which needs nesting annotations Signed-off-by:
Arjan van de Ven <arjan@linux.intel.com> Cc: Peter Osterlund <petero2@telia.com> Signed-off-by:
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Michal Schmidt authored
When resuming from suspend-to-RAM, the NMI watchdog detects a lockup in ide_wait_not_busy. Here's a screenshot of the trace taken by a digital camera: http://www.uamt.feec.vutbr.cz/rizeni/pom/DSC03510-2.JPG Let's touch the NMI watchdog in ide_wait_not_busy. The system then resumes correctly from STR. [akpm@osdl.org: modular build fix] Signed-off-by:
Michal Schmidt <xschmi00@stud.feec.vutbr.cz> Acked-by:
Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl> Signed-off-by:
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Andrew Morton authored
We can immediately bail from invalidate_bdev() if the blockdev has no pagecache. This solves the huge IPI storms which hald is causing on the big ia64 machines when it polls CDROM drives. Acked-by:
Jes Sorensen <jes@sgi.com> Cc: <stable@kernel.org> Signed-off-by:
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Miles Bader authored
Signed-off-by:
Miles Bader <miles@gnu.org> Signed-off-by:
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Miles Bader authored
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bibo, mao authored
Kprobe inserts breakpoint instruction in probepoint and then jumps to instruction slot when breakpoint is hit, the instruction slot icache must be consistent with dcache. Here is the patch which invalidates instruction slot icache area. Without this patch, in some machines there will be fault when executing instruction slot where icache content is inconsistent with dcache. Signed-off-by:
bibo,mao <bibo.mao@intel.com> Acked-by:
"Luck, Tony" <tony.luck@intel.com> Acked-by:
Keshavamurthy Anil S <anil.s.keshavamurthy@intel.com> Signed-off-by:
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Tobias Klauser authored
Use ARRAY_SIZE macro instead of sizeof(x)/sizeof(x[0]) and remove a duplicate of the macro. Also remove some trailing whitespaces and needless braces. Signed-off-by:
Tobias Klauser <tklauser@distanz.ch> Cc: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Signed-off-by:
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Arthur Othieno authored
It is described as being experimental, but doesn't actually depend on EXPERIMENTAL. Change the text. Signed-off-by:
Arthur Othieno <apgo@patchbomb.org> Signed-off-by:
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Masami Hiramatsu authored
The kprobe-booster's safety check against preemption does not work well now, because the preemption count has been modified by read_rcu_lock() in atomic_notifier_call_chain() before we check it. So, I'd like to prevent boosting kprobe temporarily if the kernel is preemptable. Now we are searching for the good solution. Signed-off-by:
Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com> Cc: Prasanna S Panchamukhi <prasanna@in.ibm.com> Cc: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> Signed-off-by:
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Eric W. Biederman authored
One of my original comments in machine_kexec was unclear and this should fix it. Signed-off-by:
Eric W. Biederman <ebiederm@xmission.com> Cc: Andi Kleen <ak@muc.de> Acked-by:
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Andrew Morton authored
- Move the tsc synchronisation variables into a struct, mark it __initdata - local `realdelta' wants to be 64-bit - Print the skew for negative skews, as well as for positive ones - remove dead code Cc: john stultz <johnstul@us.ibm.com> Signed-off-by:
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Venkat Yekkirala authored
Initializes newcontext sooner to allow for its destruction in all cases. Signed-off-by:
Venkat Yekkirala <vyekkirala@TrustedCS.com> Signed-off-by:
Stephen Smalley <sds@tycho.nsa.gov> Acked-by:
James Morris <jmorris@namei.org> Signed-off-by:
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Darrel Goeddel authored
This patch fixes a memory leak when a policydb structure is destroyed. Signed-off-by:
Darrel Goeddel <dgoeddel@trustedcs.com> Signed-off-by:
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NeilBrown authored
A recent commit (7fc90ec9) moved the call to nfsd_setuser out of the 'find a dentry for a filehandle' branch of fh_verify so that it would always be called. This had the unfortunately side-effect of moving *after* the call to decode_fh, so the prober fsuid was not set when nfsd_acceptable was called, the 'permission' check did the wrong thing. This patch moves the nfsd_setuser call back where it was, and add as call in the other branch of the if. Cc: "J. Bruce Fields" <bfields@fieldses.org> Signed-off-by:
Neil Brown <neilb@suse.de> Signed-off-by:
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Andrew Morton authored
mce_disabled cannot be __initdata - we access it during APM resume. Signed-off-by:
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Peter Korsgaard authored
The recent zlib update (commit 4f3865fb) broke ppc32 zImage decompression as it tries to decompress to address zero and the updated zlib_inflate checks that strm->next_out isn't a null pointer. This little patch fixes it. [rpurdie@rpsys.net: add comment] Signed-off-by:
Peter Korsgaard <jacmet@sunsite.dk> Acked-by:
Tom Rini <trini@kernel.crashing.org> Signed-off-by:
Richard Purdie <rpurdie@rpsys.net> Signed-off-by:
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Shailabh Nagar authored
Enable delay accounting by default so that feature gets coverage testing without requiring special measures. Earlier, it was off by default and had to be enabled via a boot time param. This patch reverses the default behaviour to improve coverage testing. It can be removed late in the kernel development cycle if its believed users shouldn't have to incur any cost if they don't want delay accounting. Or it can be retained forever if the utility of the stats is deemed common enough to warrant keeping the feature on. Signed-off-by:
Shailabh Nagar <nagar@watson.ibm.com> Signed-off-by:
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Shailabh Nagar authored
Add a missing freeing of skb in the case there are no listeners at all. Also remove the returning of error values by the function as it is unused by the sole caller. Signed-off-by:
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Shailabh Nagar authored
Complete the separation of delay accounting and taskstats by ignoring the return value of delay accounting functions that fill in parts of taskstats before it is sent out (either in response to a command or as part of a task exit). Also make delayacct_add_tsk return silently when delay accounting is turned off rather than treat it as an error. Signed-off-by:
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