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* [PATCH] r/o bind mount prepwork: inc_nlink() helperDave Hansen2006-10-01
| | | | | | | | | | | This is mostly included for parity with dec_nlink(), where we will have some more hooks. This one should stay pretty darn straightforward for now. Signed-off-by: Dave Hansen <haveblue@us.ibm.com> Acked-by: Christoph Hellwig <hch@lst.de> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] r/o bind mounts: unlink: monitor i_nlinkDave Hansen2006-10-01
| | | | | | | | | | | | | | | | | When a filesystem decrements i_nlink to zero, it means that a write must be performed in order to drop the inode from the filesystem. We're shortly going to have keep filesystems from being remounted r/o between the time that this i_nlink decrement and that write occurs. So, add a little helper function to do the decrements. We'll tie into it in a bit to note when i_nlink hits zero. Signed-off-by: Dave Hansen <haveblue@us.ibm.com> Acked-by: Christoph Hellwig <hch@lst.de> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Streamline generic_file_* interfaces and filemap cleanupsBadari Pulavarty2006-10-01
| | | | | | | | | | | | | | | | | | | | | | This patch cleans up generic_file_*_read/write() interfaces. Christoph Hellwig gave me the idea for this clean ups. In a nutshell, all filesystems should set .aio_read/.aio_write methods and use do_sync_read/ do_sync_write() as their .read/.write methods. This allows us to cleanup all variants of generic_file_* routines. Final available interfaces: generic_file_aio_read() - read handler generic_file_aio_write() - write handler generic_file_aio_write_nolock() - no lock write handler __generic_file_aio_write_nolock() - internal worker routine Signed-off-by: Badari Pulavarty <pbadari@us.ibm.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Remove readv/writev methods and use aio_read/aio_write insteadBadari Pulavarty2006-10-01
| | | | | | | | | | This patch removes readv() and writev() methods and replaces them with aio_read()/aio_write() methods. Signed-off-by: Badari Pulavarty <pbadari@us.ibm.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Vectorize aio_read/aio_write fileop methodsBadari Pulavarty2006-10-01
| | | | | | | | | | | | This patch vectorizes aio_read() and aio_write() methods to prepare for collapsing all aio & vectored operations into one interface - which is aio_read()/aio_write(). Signed-off-by: Badari Pulavarty <pbadari@us.ibm.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Cc: Michael Holzheu <HOLZHEU@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ipmi: don't start kipmid if the IPMI driver can use interruptsCorey Minyard2006-10-01
| | | | | | | | | | | | | | If the driver has interrupts available to it, there is really no reason to have a kernel daemon push the IPMI state machine. Note that I have experienced machines where the interrupts do not work correctly. This was a long time ago and hopefully things are better now. If some machines still have broken interrupts, a blacklist will need to be added. Signed-off-by: Corey Minyard <minyard@acm.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] omap_cf works again (sync with linux-omap tree)David Brownell2006-10-01
| | | | | | | | | | | | This syncs the omap_cf driver with the one from the linux-omap tree. Changes include fixing build warnings (section mismatch, unused return value) and coping with various pcmcia core changes related to managing i/o memory and irq resources. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Cc: Dominik Brodowski <linux@dominikbrodowski.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] RTC: rtc-ds1553, rtc-ds1742 updateAtsushi Nemoto2006-10-01
| | | | | | | | | | Check return value of sysfs_create_bin_file(). Fix polarity of RTC_BATT_FLAG bit in DS1742. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] AT91rm9200 RTC can issue system wakeup eventsDavid Brownell2006-10-01
| | | | | | | | | | | | This lets the at91rm9200 RTC alarm be a system wakeup irq, according to the setting of /sys/devices/platform/at91_rtc/power/wakeup. User code can set the alarm, put the system into a low power mode, and then rely on it waking up no later than the specified moment. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] constify rtc_class_ops: update driversDavid Brownell2006-10-01
| | | | | | | | | | Update RTC framework so that drivers can constify their method tables, moving them from ".data" to ".rodata". Then update the drivers. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] RTC class: error checksDavid Brownell2006-10-01
| | | | | | | | | | | | | | The rtc_is_valid_tm() routine needs to treat some of the fields it checks as unsigned, to prevent wrongly accepting invalid rtc_time structs; this is the same approach used elsewhere in the RTC code for such tests. Conversely, rtc_proc_show() is missing one invalid-day-of-month test that rtc_is_valid_tm() makes: there is no day zero. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] RTC class uses subsys_initDavid Brownell2006-10-01
| | | | | | | | | | | | | | This makes RTC core components use "subsys_init" instead of "module_init", as appropriate for subsystem infrastructure. This is mostly useful for statically linking drivers in other parts of the tree that may provide an RTC interface as a secondary functionality (e.g. part of a multifunction chip); they won't need to worry so much about drivers/Makefile link order. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Cc: Alessandro Zummo <a.zummo@towertech.it> Acked-by: Oleg Verych <olecom@flower.upol.cz> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] RTC class: Kconfig improvementsDavid Brownell2006-10-01
| | | | | | | | | | | | | | | | Small updates to make the RTC class Kconfig text be more informative. This should help folk used to the drivers/char/rtc.c support, or a single RTC, be slightly less surprised by the differences. Also, adds a new RTC_DEBUG option to predefine DEBUG in the framework and its drivers, while debugging. That's getting to be a standard idiom, and it's pretty useful. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Cc: Alessandro Zummo <a.zummo@towertech.it> Acked-by: Oleg Verych <olecom@flower.upol.cz> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] rtc driver rtc-pcf8563 century bit inversedJean-Baptiste Maneyrol2006-10-01
| | | | | | | | | | | The century bit PCF8563_MO_C in the month register is misinterpreted. It is set to 1 for the 20th century and 0 for 21th, and the driver is expecting the opposite behavior. Acked-by: Alessandro Zummo <a.zummo@towertech.it> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Char: specialix, kill unneeded page allocJiri Slaby2006-10-01
| | | | | | | | | | | The driver is allocating a page but doesn't actually use it for anything. (History from the old ->write method before Linus cleaned it up) Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Acked-by: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] completions: lockdep annotate on stack completionsPeter Zijlstra2006-10-01
| | | | | | | | | | | All on stack DECLARE_COMPLETIONs should be replaced by: DECLARE_COMPLETION_ONSTACK Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Acked-by: Ingo Molnar <mingo@elte.hu> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Remove unnecessary check in drivers/rtc/rtc-v3020.cEric Sesterhenn2006-10-01
| | | | | | | | | | | | Looks like the probe function always gets a valid pdev, and checking it after dereferencing it is pretty useless. This patch removes the check (cid #1365) Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: Raphael Assenat <raph@raphnet.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] hdaps: support Lenovo ThinkPad T60Soos Peter2006-10-01
| | | | | | | | | | | | Support hdaps on Lenovo ThinkPad T60. It was tested with pivot utility from http://www.kernel.org/pub/linux/kernel/people/rml/hdaps and it seems to be OK. Cc: Jean Delvare <khali@linux-fr.org> Cc: Greg Kroah-Hartman <gregkh@suse.de> Cc: Robert Love <rml@novell.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Off-by-one in drivers/char/mwave/mwavedd.cEric Sesterhenn2006-10-01
| | | | | | | | | This fixes two off by ones in the mwave driver, found via find -iname \*.[ch] | xargs grep "> ARRAY_SIZE(" Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] sysrq: disable lockdep on rebootPeter Zijlstra2006-10-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | SysRq : Emergency Sync Emergency Sync complete SysRq : Emergency Remount R/O Emergency Remount complete SysRq : Resetting BUG: warning at kernel/lockdep.c:1816/trace_hardirqs_on() (Not tainted) Call Trace: [<ffffffff8026d56d>] show_trace+0xae/0x319 [<ffffffff8026d7ed>] dump_stack+0x15/0x17 [<ffffffff802a68d1>] trace_hardirqs_on+0xbc/0x13d [<ffffffff803a8eec>] sysrq_handle_reboot+0x9/0x11 [<ffffffff803a8f8d>] __handle_sysrq+0x99/0x130 [<ffffffff803a903b>] handle_sysrq+0x17/0x19 [<ffffffff803a36ee>] kbd_event+0x32e/0x57d [<ffffffff80401e35>] input_event+0x42d/0x45b [<ffffffff804063eb>] atkbd_interrupt+0x44d/0x53d [<ffffffff803fe5c5>] serio_interrupt+0x49/0x86 [<ffffffff803ff2a4>] i8042_interrupt+0x202/0x21a [<ffffffff80210cf0>] handle_IRQ_event+0x2c/0x64 [<ffffffff802bfd8b>] __do_IRQ+0xaf/0x114 [<ffffffff8026ea24>] do_IRQ+0xf8/0x107 [<ffffffff8025f886>] ret_from_intr+0x0/0xf DWARF2 unwinder stuck at ret_from_intr+0x0/0xf Leftover inexact backtrace: <IRQ> <EOI> [<ffffffff80258e36>] mwait_idle+0x3f/0x54 [<ffffffff8024a33a>] cpu_idle+0xa2/0xc5 [<ffffffff8026c34e>] rest_init+0x2b/0x2d [<ffffffff809708bc>] start_kernel+0x24a/0x24c [<ffffffff8097028b>] _sinittext+0x28b/0x292 Since we're shutting down anyway, don't bother being smart, just turn the thing off. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Acked-by: Ingo Molnar <mingo@elte.hu> Cc: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] cardbus: switch to ref counting/hotplug safe APIAlan Cox2006-10-01
| | | | | | | Signed-off-by: Alan Cox <alan@redhat.com> Cc: Dominik Brodowski <linux@dominikbrodowski.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] i2o: Switch to pci_get APIAlan Cox2006-10-01
| | | | | | | | | Use the safe ref-counted API for the bridge check Signed-off-by: Alan Cox <alan@redhat.com> Cc: Markus Lidel <Markus.Lidel@shadowconnect.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ip2: use newer pci_get functionsAlan Cox2006-10-01
| | | | | | | | | | | | This is one of a series of patches I plan to gradually trickle into the tree which eliminates almost all remaining use of pci_find_* and lets me build a pci_find_* free kernel for all but some obscure ISDN and SCSI drivers. This is important as all pci_find_* users are not hotplug safe - even if they are not the device being plugged. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] update legacy io handling for pmacOlaf Hering2006-10-01
| | | | | | | | | | | | | | | | | | | | | | | | | | ppc can boot one single binary on prep, chrp and pmac boards. ppc64 can boot one single binary on pseries and G5 boards. pmac has no legacy io, probing for PC style legacy hardware (or accessing the legacy io area regulary) may lead to a hard crash: * add check for parport_pc, exit on pmac. 32bit chrp has no ->check_legacy_ioport, the probe is always called. 64bit chrp has check_legacy_ioport, check for a "parallel" node * add check for isapnp, only PReP boards may have real ISA slots. 32bit PReP will have no ->check_legacy_ioport, the probe is always called. * update code in i8042_platform_init. Run ->check_legacy_ioport first, always call request_region. No functional change. Remove whitespace before i8042_reset init. Signed-off-by: Olaf Hering <olaf@aepfle.de> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Adam Belay <ambx1@neo.rr.com> Cc: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] IPMI: per-channel command registrationCorey Minyard2006-10-01
| | | | | | | | | | | | | | This patch adds the ability to register for a command per-channel in the IPMI driver. If your BMC supports multiple channels, incoming messages can be useful to have the ability to register to receive commands on a specific channel instead the current behaviour of all channels. Signed-off-by: David Barksdale <amatus@ocgnet.org> Signed-off-by: Corey Minyard <minyard@acm.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] mmc (mainly): add "or later" clause to licence statement.Pierre Ossman2006-10-01
| | | | | | | | | | | | Clarify my (Pierre's) position on which GPL versions apply. The patch only touches the source files where I am the only major author. The people who have made the minor commits to the files have been contacted and have no issues with this change. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx> Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] isicom: correct firmware loadingJiri Slaby2006-10-01
| | | | | | | | | | | | | - loading of firmware didn't fail when something went wrong (returned 0). - pointer to frame was incremented only by sizeof(frame) excluding its data contents -- bad idea. - tell the card we're ready just after checking is complete, not before. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] rtc: remove superfluous call to call to cdev_del()Rolf Eike Beer2006-10-01
| | | | | | | | | | If cdev_add() fails there is no good reason to call cdev_del(). Signed-off-by: Rolf Eike Beer <eike-kernel@sf-tec.de> Cc: Alessandro Zummo <alessandro.zummo@towertech.it> Cc: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] cciss: remove unneeded spaces in output for attached volumesMetathronius Galabant2006-10-01
| | | | | | | | | | | | | | | | | | | | It removes the awkwards spaces after the "=" when displaying the geometry of the attached volumes. Before: cciss: using DAC cycles blocks= 286734240 block_size= 512 heads= 255, sectors= 32, cylinders= 35139 After: cciss: using DAC cycles blocks=286734240 block_size=512 heads=255, sectors=32, cylinders=35139 Signed-off-by: Metathronius Galabant <m.galabant@gmail.com> Acked-by: Mike Miller <mike.miller@hp.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] synclink_gt: increase max devicesPaul Fulghum2006-10-01
| | | | | | | | Increase maximum number of devices. Signed-off-by: Paul Fulghum <paulkf@microgate.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] synclink_gt: add bisync and monosync modesPaul Fulghum2006-10-01
| | | | | | | | Add bisync and monosync serial protocol support to the synclink_gt driver. Signed-off-by: Paul Fulghum <paulkf@microgate.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] leds: turn LED off when changing triggersPaul Collins2006-10-01
| | | | | | | | | | | | | | | I was playing with LED triggers when I noticed that changing from heartbeat (or ide-disk) to "none" at the right moment would leave the LED stuck on. This is easy to reproduce by doing "find / >/dev/null" with the ide-disk trigger enabled and then switching to "none". Here is a patch that fixes the problem by explicitly turning the LED off after removing the existing trigger. Signed-off-by: Paul Collins <paul@ondioline.org> Acked-by: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] proper flags type of spin_lock_irqsave()Alexey Dobriyan2006-10-01
| | | | | | | | | | | | Convert various spin_lock_irqsave() callers to correctly use `unsigned long'. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Cc: Miles Bader <uclinux-v850@lsi.nec.co.jp> Cc: "Luck, Tony" <tony.luck@intel.com> Acked-by: Kyle McMartin <kyle@mcmartin.ca> Cc: Jean Delvare <khali@linux-fr.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] EICON ISDN: Removed unused definitions for OS_SEEK_*Josef 'Jeff' Sipek2006-10-01
| | | | | | | | | | EICON ISDN: Removed unused definitions for OS_SEEK_* Signed-off-by: Josef 'Jeff' Sipek <jeffpc@josefsipek.net> Cc: Karsten Keil <kkeil@suse.de> Acked-by: Armin Schindler <armin@melware.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] MBCS: Use SEEK_{SET, CUR, END} instead of hardcoded valuesJosef 'Jeff' Sipek2006-10-01
| | | | | | | | MBCS: Use SEEK_{SET,CUR,END} instead of hardcoded values Signed-off-by: Josef 'Jeff' Sipek <jeffpc@josefsipek.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] via* : switch to pci_get_device refcounted PCI APIAlan Cox2006-10-01
| | | | | | | | | | If we can clean up these remainders we can finally delete pci_find_* Signed-off-by: Alan Cox <alan@redhat.com> Cc: Greg KH <greg@kroah.com> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] sis5513: Switch to pci refcountingAlan Cox2006-10-01
| | | | | | | | | | Mirrors the drivers/ata version, hold a reference to the host bridge while we are doing setup. Signed-off-by: Alan Cox <alan@redhat.com> Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] serverworks: Switch to pci refcounted interfacesAlan Cox2006-10-01
| | | | | | | | | | | As we don't support hotplug we end up leaking an isa_dev reference which if unload was ever added we would drop at the end of unloading. This is fine because we do genuinely need the isa_dev pointer until unload. Signed-off-by: Alan Cox <alan@redhat.com> Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] piix: Use refcounted interface when searching for a 450NXAlan Cox2006-10-01
| | | | | | | | | Simple conversion Signed-off-by: Alan Cox <alan@redhat.com> Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] serial: Fix up offenders peering at baud bits directlyAlan Cox2006-10-01
| | | | | | | | | | | Stop some other people peering into the baud bits on their own and make them use the tty_get_baud_rate() helper as a preperation for the move to the new termios. Corrected dependancy previous one had on new termios structs Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] cciss: support for >2TB logical volumesMike Miller (OS Dev)2006-10-01
| | | | | | | | | | Add support for logical volumes >2TB. All SAS/SATA controllers support large volumes. Signed-off-by: Mike Miller <mike.miller@hp.com> Cc: Jens Axboe <axboe@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] maximum latency tracking infrastructureArjan van de Ven2006-10-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add infrastructure to track "maximum allowable latency" for power saving policies. The reason for adding this infrastructure is that power management in the idle loop needs to make a tradeoff between latency and power savings (deeper power save modes have a longer latency to running code again). The code that today makes this tradeoff just does a rather simple algorithm; however this is not good enough: There are devices and use cases where a lower latency is required than that the higher power saving states provide. An example would be audio playback, but another example is the ipw2100 wireless driver that right now has a very direct and ugly acpi hook to disable some higher power states randomly when it gets certain types of error. The proposed solution is to have an interface where drivers can * announce the maximum latency (in microseconds) that they can deal with * modify this latency * give up their constraint and a function where the code that decides on power saving strategy can query the current global desired maximum. This patch has a user of each side: on the consumer side, ACPI is patched to use this, on the producer side the ipw2100 driver is patched. A generic maximum latency is also registered of 2 timer ticks (more and you lose accurate time tracking after all). While the existing users of the patch are x86 specific, the infrastructure is not. I'd like to ask the arch maintainers of other architectures if the infrastructure is generic enough for their use (assuming the architecture has such a tradeoff as concept at all), and the sound/multimedia driver owners to look at the driver facing API to see if this is something they can use. [akpm@osdl.org: cleanups] Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Acked-by: Jesse Barnes <jesse.barnes@intel.com> Cc: "Brown, Len" <len.brown@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Generic booleanRichard Knutsson2006-10-01
| | | | | | | | | | | | This patch defines: * a generic boolean-type, named 'bool' * aliases to 0 and 1, named 'false' and 'true' Removing colliding definitions of 'bool', 'false' and 'true'. Signed-off-by: Richard Knutsson <ricknu-0@student.ltu.se> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] hot-add-mem x86_64: use CONFIG_MEMORY_HOTPLUG_SPARSEKeith Mannthey2006-10-01
| | | | | | | | | | Migate CONFIG_MEMORY_HOTPLUG to CONFIG_MEMORY_HOTPLUG_SPARSE where needed. Signed-off-by: Keith Mannthey <kmannth@us.ibm.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Andi Kleen <ak@muc.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] hot-add-mem x86_64: memory_add_physaddr_to_nid node fixupKeith Mannthey2006-10-01
| | | | | | | | | | | | | | | | | | | In cases where the acpi memory-add event does not containe the pxm (node) infomation allow the driver to look up node info based on the address. The acpi_get_node call returns -1 if it can't decode the pxm info, this causes add_memory to panic. acpi_get_node would have to decode the resource from the handle (a lenghty proposition). This seems to be the cleanist point to interject the hook. [kamezawa.hiroyu@jp.fujitsu.com: build fixes] [y-goto@jp.fujitsu.com: build fixes] Signed-off-by: Keith Mannthey <kmannth@us.ibm.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Andi Kleen <ak@muc.de> Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Signed-off-by: Yasunori Goto <y-goto@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] PCI quirks updateAlan Cox2006-10-01
| | | | | | | | | | | | | | | | | | | | | | | This fixes two things Firstly someone mistakenly used "errata" for the singular. This causes Dave Woodhouse to emit diagnostics whenever the string is read, and so should be fixed. Secondly the AMD AGP tunnel has an erratum which causes hangs if you try and do direct PCI to AGP transfers in some cases. We have a flag for PCI/PCI failures but we need a different flag for this really as in this case we don't want to stop PCI/PCI transfers using things like IOAT and the new RAID offload work. I'll post some updates to make proper use of the PCIAGP flag in the media/video drivers to Mauro. Signed-off-by: Alan Cox <alan@redhat.com> Cc: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] SCSI: fix request flag-related build breakageJeff Garzik2006-09-30
| | | | | | | | | The ->flags in struct request was split into two variables, in a recent changeset. The merge of this change forgot to update SCSI's libsas, probably because libsas was a very recent merge. Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Merge branch 'block' of git://brick.kernel.dk/data/git/linux-2.6-blockLinus Torvalds2006-09-30
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'block' of git://brick.kernel.dk/data/git/linux-2.6-block: (67 commits) [PATCH] blk_queue_start_tag() shared map race fix [PATCH] Update axboe@suse.de email address [PATCH] fix creating zero sized bio mempools in low memory system [PATCH] CONFIG_BLOCK: blk_congestion_wait() fix [PATCH] CONFIG_BLOCK internal.h cleanups [PATCH] BLOCK: Make USB storage depend on SCSI rather than selecting it [try #6] [PATCH] BLOCK: Make it possible to disable the block layer [try #6] [PATCH] BLOCK: Remove no-longer necessary linux/buffer_head.h inclusions [try #6] [PATCH] BLOCK: Remove no-longer necessary linux/mpage.h inclusions [try #6] [PATCH] BLOCK: Move the msdos device ioctl compat stuff to the msdos driver [try #6] [PATCH] BLOCK: Move the Ext3 device ioctl compat stuff to the Ext3 driver [try #6] [PATCH] BLOCK: Move the Ext2 device ioctl compat stuff to the Ext2 driver [try #6] [PATCH] BLOCK: Move the ReiserFS device ioctl compat stuff to the ReiserFS driver [try #6] [PATCH] BLOCK: Move common FS-specific ioctls to linux/fs.h [try #6] [PATCH] BLOCK: Move the loop device ioctl compat stuff to the loop driver [try #6] [PATCH] BLOCK: Move __invalidate_device() to block_dev.c [try #6] [PATCH] BLOCK: Dissociate generic_writepages() from mpage stuff [try #6] [PATCH] BLOCK: Remove dependence on existence of blockdev_superblock [try #6] [PATCH] BLOCK: Move extern declarations out of fs/*.c into header files [try #6] [PATCH] BLOCK: Don't call block_sync_page() from AFS [try #6] ...
| * [PATCH] BLOCK: Make USB storage depend on SCSI rather than selecting it [try #6]David Howells2006-09-30
| | | | | | | | | | | | | | | | | | This makes CONFIG_USB_STORAGE depend on CONFIG_SCSI rather than selecting it, as selecting it makes CONFIG_USB_STORAGE override the dependencies of SCSI, causing it to turn on even if they aren't all met. Signed-Off-By: David Howells <dhowells@redhat.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
| * [PATCH] BLOCK: Make it possible to disable the block layer [try #6]David Howells2006-09-30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Make it possible to disable the block layer. Not all embedded devices require it, some can make do with just JFFS2, NFS, ramfs, etc - none of which require the block layer to be present. This patch does the following: (*) Introduces CONFIG_BLOCK to disable the block layer, buffering and blockdev support. (*) Adds dependencies on CONFIG_BLOCK to any configuration item that controls an item that uses the block layer. This includes: (*) Block I/O tracing. (*) Disk partition code. (*) All filesystems that are block based, eg: Ext3, ReiserFS, ISOFS. (*) The SCSI layer. As far as I can tell, even SCSI chardevs use the block layer to do scheduling. Some drivers that use SCSI facilities - such as USB storage - end up disabled indirectly from this. (*) Various block-based device drivers, such as IDE and the old CDROM drivers. (*) MTD blockdev handling and FTL. (*) JFFS - which uses set_bdev_super(), something it could avoid doing by taking a leaf out of JFFS2's book. (*) Makes most of the contents of linux/blkdev.h, linux/buffer_head.h and linux/elevator.h contingent on CONFIG_BLOCK being set. sector_div() is, however, still used in places, and so is still available. (*) Also made contingent are the contents of linux/mpage.h, linux/genhd.h and parts of linux/fs.h. (*) Makes a number of files in fs/ contingent on CONFIG_BLOCK. (*) Makes mm/bounce.c (bounce buffering) contingent on CONFIG_BLOCK. (*) set_page_dirty() doesn't call __set_page_dirty_buffers() if CONFIG_BLOCK is not enabled. (*) fs/no-block.c is created to hold out-of-line stubs and things that are required when CONFIG_BLOCK is not set: (*) Default blockdev file operations (to give error ENODEV on opening). (*) Makes some /proc changes: (*) /proc/devices does not list any blockdevs. (*) /proc/diskstats and /proc/partitions are contingent on CONFIG_BLOCK. (*) Makes some compat ioctl handling contingent on CONFIG_BLOCK. (*) If CONFIG_BLOCK is not defined, makes sys_quotactl() return -ENODEV if given command other than Q_SYNC or if a special device is specified. (*) In init/do_mounts.c, no reference is made to the blockdev routines if CONFIG_BLOCK is not defined. This does not prohibit NFS roots or JFFS2. (*) The bdflush, ioprio_set and ioprio_get syscalls can now be absent (return error ENOSYS by way of cond_syscall if so). (*) The seclvl_bd_claim() and seclvl_bd_release() security calls do nothing if CONFIG_BLOCK is not set, since they can't then happen. Signed-Off-By: David Howells <dhowells@redhat.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
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