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2012-10-31module: fix out-by-one error in kallsymsRusty Russell
Masaki found and patched a kallsyms issue: the last symbol in a module's symtab wasn't transferred. This is because we manually copy the zero'th entry (which is always empty) then copy the rest in a loop starting at 1, though from src[0]. His fix was minimal, I prefer to rewrite the loops in more standard form. There are two loops: one to get the size, and one to copy. Make these identical: always count entry 0 and any defined symbol in an allocated non-init section. This bug exists since the following commit was introduced. module: reduce symbol table for loaded modules (v2) commit: 4a4962263f07d14660849ec134ee42b63e95ea9a LKML: http://lkml.org/lkml/2012/10/24/27 Reported-by: Masaki Kimura <masaki.kimura.kz@hitachi.com> Cc: stable@kernel.org
2012-10-30Merge tag 'md-3.7-fixes' of git://neil.brown.name/mdLinus Torvalds
Pull md fixes from NeilBrown: "Some fixes for md in 3.7 - one recently introduced crash for dm-raid10 with discard - one bug in new functionality that has been around for a few releases. - minor bug in md's 'faulty' personality and UAPI disintegration for md." * tag 'md-3.7-fixes' of git://neil.brown.name/md: MD RAID10: Fix oops when creating RAID10 arrays via dm-raid.c md/raid1: Fix assembling of arrays containing Replacements. md faulty: use disk_stack_limits() UAPI: (Scripted) Disintegrate include/linux/raid
2012-10-31drm/nouveau: resurrect headless mode since reworkBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2012-10-31drm/nv50/fb: prevent oops on chipsets without compression tagsBen Skeggs
Unconditionally create the tagram mm, even if there's zero tags. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2012-10-31drm/nouveau: allow creation of zero-sized mmBen Skeggs
Useful for places where a given chipset may or may not have a given resource, and we want to avoid having to spray checks for the mm's existance around everywhere. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2012-10-31drm/nouveau/i2c: fix typo when checking nvio i2c port validityBen Skeggs
Reported-by: Mathieu Chouquet-Stringer <mathieu@csetco.com> Tested-by: Mathieu Chouquet-Stringer <mathieu@csetco.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2012-10-31drm/nouveau: silence modesetting spam on pre-gf8 chipsetsBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2012-10-31MD RAID10: Fix oops when creating RAID10 arrays via dm-raid.cJonathan Brassow
Commit 2863b9eb didn't take into account the changes to add TRIM support to RAID10 (commit 532a2a3fb). That is, when using dm-raid.c to create the RAID10 arrays, there is no mddev->gendisk or mddev->queue. The code added to support TRIM simply assumes that mddev->queue is available without checking. The result is an oops any time dm-raid.c attempts to create a RAID10 device. Signed-off-by: Jonathan Brassow <jbrassow@redhat.com> Signed-off-by: NeilBrown <neilb@suse.de>
2012-10-31md/raid1: Fix assembling of arrays containing Replacements.NeilBrown
setup_conf in raid1.c uses conf->raid_disks before assigning a value. It is used when including 'Replacement' devices. The consequence is that assembling an array which contains a replacement will misbehave and either not include the replacement, or not include the device being replaced. Though this doesn't lead directly to data corruption, it could lead to reduced data safety. So use mddev->raid_disks, which is initialised, instead. Bug was introduced by commit c19d57980b38a5bb613a898937a1cf85f422fb9b md/raid1: recognise replacements when assembling arrays. in 3.3, so fix is suitable for 3.3.y thru 3.6.y. Cc: stable@vger.kernel.org Signed-off-by: NeilBrown <neilb@suse.de>
2012-10-30Merge tag 'gpio-fixes-v3.7-rc4' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio Pull GPIO fixes from Linus Walleij: - Fix a potential bit wrap issue in the Timberdale driver - Fix up the buffer allocation size in the 74x164 driver - Set the value in direction_output() right in the mvebu driver - Return proper error codes for invalid GPIOs - Fix an off-mode bug for the OMAP - Don't initialize the mask_cach on the mvebu driver * tag 'gpio-fixes-v3.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: GPIO: mvebu-gpio: Don't initialize the mask_cache gpio/omap: fix off-mode bug: clear debounce settings on free/reset gpiolib: Don't return -EPROBE_DEFER to sysfs, or for invalid gpios gpio: mvebu: correctly set the value in direction_output() gpio-74x164: Fix buffer allocation size gpio-timberdale: fix a potential wrapping issue
2012-10-30Merge tag 'ext4_for_linus_stable' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 Pull ext4 bugfix from Ted Ts'o: "This fixes the root cause of the ext4 data corruption bug which raised a ruckus on LWN, Phoronix, and Slashdot. This bug only showed up when non-standard mount options (journal_async_commit and/or journal_checksum) were enabled, and when the file system was not cleanly unmounted, but the root cause was the inode bitmap modifications was not being properly journaled. This could potentially lead to minor file system corruptions (pass 5 complaints with the inode allocation bitmap) after an unclean shutdown under the wrong/unlucky workloads, but it turned into major failure if the journal_checksum and/or jouaral_async_commit was enabled." * tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: ext4: fix unjournaled inode bitmap modification
2012-10-30Merge branch 'for-linus' of git://git.kernel.dk/linux-blockLinus Torvalds
Pull block driver update from Jens Axboe: "Distilled down variant, the rest will pass over to 3.8. I pulled it into the for-linus branch I had waiting for a pull request as well, in case you are wondering why there are new entries in here too. This also got rid of two reverts and the ones of the mtip32xx patches that went in later in the 3.6 cycle, so the series looks a bit cleaner." * 'for-linus' of git://git.kernel.dk/linux-block: loop: Make explicit loop device destruction lazy mtip32xx:Added appropriate timeout value for secure erase xen/blkback: Change xen_vbd's flush_support and discard_secure to have type unsigned int, rather than bool cciss: select CONFIG_CHECK_SIGNATURE cciss: remove unneeded memset() xen/blkback: use kmem_cache_zalloc instead of kmem_cache_alloc/memset pktcdvd: update MAINTAINERS floppy: remove dr, reuse drive on do_floppy_init floppy: use common function to check if floppies can be registered floppy: properly handle failure on add_disk loop floppy: do put_disk on current dr if blk_init_queue fails floppy: don't call alloc_ordered_workqueue inside the alloc_disk loop xen/blkback: Fix compile warning block: Add blk_rq_pos(rq) to sort rq when plushing drivers/block: remove CONFIG_EXPERIMENTAL block: remove CONFIG_EXPERIMENTAL vfs: fix: don't increase bio_slab_max if krealloc() fails blkcg: stop iteration early if root_rl is the only request list blkcg: Fix use-after-free of q->root_blkg and q->root_rl.blkg
2012-10-30x86/mce: Do not change worker's running cpu in cmci_rediscover().Tang Chen
cmci_rediscover() used set_cpus_allowed_ptr() to change the current process's running cpu, and migrate itself to the dest cpu. But worker processes are not allowed to be migrated. If current is a worker, the worker will be migrated to another cpu, but the corresponding worker_pool is still on the original cpu. In this case, the following BUG_ON in try_to_wake_up_local() will be triggered: BUG_ON(rq != this_rq()); This will cause the kernel panic. The call trace is like the following: [ 6155.451107] ------------[ cut here ]------------ [ 6155.452019] kernel BUG at kernel/sched/core.c:1654! ...... [ 6155.452019] RIP: 0010:[<ffffffff810add15>] [<ffffffff810add15>] try_to_wake_up_local+0x115/0x130 ...... [ 6155.452019] Call Trace: [ 6155.452019] [<ffffffff8166fc14>] __schedule+0x764/0x880 [ 6155.452019] [<ffffffff81670059>] schedule+0x29/0x70 [ 6155.452019] [<ffffffff8166de65>] schedule_timeout+0x235/0x2d0 [ 6155.452019] [<ffffffff810db57d>] ? mark_held_locks+0x8d/0x140 [ 6155.452019] [<ffffffff810dd463>] ? __lock_release+0x133/0x1a0 [ 6155.452019] [<ffffffff81671c50>] ? _raw_spin_unlock_irq+0x30/0x50 [ 6155.452019] [<ffffffff810db8f5>] ? trace_hardirqs_on_caller+0x105/0x190 [ 6155.452019] [<ffffffff8166fefb>] wait_for_common+0x12b/0x180 [ 6155.452019] [<ffffffff810b0b30>] ? try_to_wake_up+0x2f0/0x2f0 [ 6155.452019] [<ffffffff8167002d>] wait_for_completion+0x1d/0x20 [ 6155.452019] [<ffffffff8110008a>] stop_one_cpu+0x8a/0xc0 [ 6155.452019] [<ffffffff810abd40>] ? __migrate_task+0x1a0/0x1a0 [ 6155.452019] [<ffffffff810a6ab8>] ? complete+0x28/0x60 [ 6155.452019] [<ffffffff810b0fd8>] set_cpus_allowed_ptr+0x128/0x130 [ 6155.452019] [<ffffffff81036785>] cmci_rediscover+0xf5/0x140 [ 6155.452019] [<ffffffff816643c0>] mce_cpu_callback+0x18d/0x19d [ 6155.452019] [<ffffffff81676187>] notifier_call_chain+0x67/0x150 [ 6155.452019] [<ffffffff810a03de>] __raw_notifier_call_chain+0xe/0x10 [ 6155.452019] [<ffffffff81070470>] __cpu_notify+0x20/0x40 [ 6155.452019] [<ffffffff810704a5>] cpu_notify_nofail+0x15/0x30 [ 6155.452019] [<ffffffff81655182>] _cpu_down+0x262/0x2e0 [ 6155.452019] [<ffffffff81655236>] cpu_down+0x36/0x50 [ 6155.452019] [<ffffffff813d3eaa>] acpi_processor_remove+0x50/0x11e [ 6155.452019] [<ffffffff813a6978>] acpi_device_remove+0x90/0xb2 [ 6155.452019] [<ffffffff8143cbec>] __device_release_driver+0x7c/0xf0 [ 6155.452019] [<ffffffff8143cd6f>] device_release_driver+0x2f/0x50 [ 6155.452019] [<ffffffff813a7870>] acpi_bus_remove+0x32/0x6d [ 6155.452019] [<ffffffff813a7932>] acpi_bus_trim+0x87/0xee [ 6155.452019] [<ffffffff813a7a21>] acpi_bus_hot_remove_device+0x88/0x16b [ 6155.452019] [<ffffffff813a33ee>] acpi_os_execute_deferred+0x27/0x34 [ 6155.452019] [<ffffffff81090589>] process_one_work+0x219/0x680 [ 6155.452019] [<ffffffff81090528>] ? process_one_work+0x1b8/0x680 [ 6155.452019] [<ffffffff813a33c7>] ? acpi_os_wait_events_complete+0x23/0x23 [ 6155.452019] [<ffffffff810923be>] worker_thread+0x12e/0x320 [ 6155.452019] [<ffffffff81092290>] ? manage_workers+0x110/0x110 [ 6155.452019] [<ffffffff81098396>] kthread+0xc6/0xd0 [ 6155.452019] [<ffffffff8167c4c4>] kernel_thread_helper+0x4/0x10 [ 6155.452019] [<ffffffff81671f30>] ? retint_restore_args+0x13/0x13 [ 6155.452019] [<ffffffff810982d0>] ? __init_kthread_worker+0x70/0x70 [ 6155.452019] [<ffffffff8167c4c0>] ? gs_change+0x13/0x13 This patch removes the set_cpus_allowed_ptr() call, and put the cmci rediscover jobs onto all the other cpus using system_wq. This could bring some delay for the jobs. Signed-off-by: Tang Chen <tangchen@cn.fujitsu.com> Signed-off-by: Miao Xie <miaox@cn.fujitsu.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
2012-10-30GPIO: mvebu-gpio: Don't initialize the mask_cacheAndrew Lunn
Due to the SMP nature of some of the chips, which have per CPU registers, the driver does not use the generic irq_gc_mask_set_bit() & irq_gc_mask_clr_bit() functions, which only support a single register. The driver has its own implementation of these functions, which can pick the correct register depending on the CPU being used. The functions do however use the gc->mask_cache value. The call to irq_setup_generic_chip() was passing IRQ_GC_INIT_MASK_CACHE, which caused the gc->mask_cache to be initialized to the contents of some random register. This resulted in unexpected interrupts been delivered from random GPIO lines. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Tested-by: Jamie Lentin <jm@lentin.co.uk> Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Tested-by: Michael Walle <michael@walle.cc> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-10-30ARM: dt: tegra: fix length of pad control and mux registersPritesh Raithatha
The reg property contains <base length> not <base last_offset>. Fix the length values to be length not last_offset. Cc: stable@vger.kernel.org Signed-off-by: Pritesh Raithatha <praithatha@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-10-30USB: fix build with XEN and EARLY_PRINTK_DBGP enabled but USB_SUPPORT disabledJan Beulich
Since there's no possible caller of dbgp_external_startup() and dbgp_reset_prep() when !USB_EHCI_HCD, there's no point in building and exporting these functions in that case. This eliminates a build error under the conditions listed in the subject, introduced with the merge f1c6872e4980bc4078cfaead05f892b3d78dea64. Reported-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Jan Beulich <jbeulich@suse.com> Cc: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-10-30ath9k: Test for TID only in BlockAcks while checking tx statusSven Eckelmann
The ath9k xmit functions for AMPDUs can send frames as non-aggregate in case only one frame is currently available. The client will then answer using a normal Ack instead of a BlockAck. This acknowledgement has no TID stored and therefore the hardware is not able to provide us the corresponding TID. The TID set by the hardware in the tx status descriptor has to be seen as undefined and not as a valid TID value for normal acknowledgements. Doing otherwise results in a massive amount of retransmissions and stalls of connections. Users may experience low bandwidth and complete connection stalls in environments with transfers using multiple TIDs. This regression was introduced in b11b160defc48e4daa283f785192ea3a23a51f8e ("ath9k: validate the TID in the tx status information"). Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de> Cc: stable@vger.kernel.org Acked-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-30rt2800: validate step value for temperature compensationStanislaw Gruszka
Some hardware has correct (!= 0xff) value of tssi_bounds[4] in the EEPROM, but step is equal to 0xff. This results on ridiculous delta calculations and completely broke TX power settings. Reported-and-tested-by: Pavel Lucik <pavel.lucik@gmail.com> Cc: stable@vger.kernel.org Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-30USB: usb_wwan: fix bulk-urb allocationJohan Hovold
Make sure we do not allocate urbs if we do not have a bulk endpoint. Legacy code used incorrect assumption to test for bulk endpoints. Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-10-30Merge tag 'fixes-for-v3.7-rc4' of ↵Greg Kroah-Hartman
git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-linus usb: fixes for v3.7-rc4 We're reverting MUSB Mode 1 DMA patch which caused many regressions. Meanwhile Roger is cooking a better version of that patch, which will hopefully be ready for v3.8 merge window. We also fix an undeclared error in ux5000_remove() and another build error when we try to build USB_MUSB_OMAP2PLUS as a module.
2012-10-30xen/arm: use the __HVC macroStefano Stabellini
Use the new __HVC macro in hypercall.S. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2012-10-30xen/xenbus: fix overflow check in xenbus_file_write()Jan Beulich
Acked-by: Ian Campbell <ian.campbell@citrix.com> Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Jan Beulich <jbeulich@suse.com> [v1: Rebased on upstream] Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2012-10-30xen-kbdfront: handle backend CLOSED without CLOSINGDavid Vrabel
Backend drivers shouldn't transistion to CLOSED unless the frontend is CLOSED. If a backend does transition to CLOSED too soon then the frontend may not see the CLOSING state and will not properly shutdown. So, treat an unexpected backend CLOSED state the same as CLOSING. Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: David Vrabel <david.vrabel@citrix.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2012-10-30xen-fbfront: handle backend CLOSED without CLOSINGDavid Vrabel
Backend drivers shouldn't transistion to CLOSED unless the frontend is CLOSED. If a backend does transition to CLOSED too soon then the frontend may not see the CLOSING state and will not properly shutdown. So, treat an unexpected backend CLOSED state the same as CLOSING. Acked-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de> Signed-off-by: David Vrabel <david.vrabel@citrix.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2012-10-30xen/gntdev: don't leak memory from IOCTL_GNTDEV_MAP_GRANT_REFDavid Vrabel
map->kmap_ops allocated in gntdev_alloc_map() wasn't freed by gntdev_put_map(). Add a gntdev_free_map() helper function to free everything allocated by gntdev_alloc_map(). Signed-off-by: David Vrabel <david.vrabel@citrix.com> Cc: stable@vger.kernel.org Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2012-10-30x86: remove obsolete comment from asm/xen/hypervisor.hOlaf Hering
Signed-off-by: Olaf Hering <olaf@aepfle.de> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2012-10-30usb: otg: Fix build errors if USB_MUSB_OMAP2PLUS is selected as moduleRoger Quadros
TWL4030_USB & TWL6030_USB must depend on USB_MUSB_OMAP2PLUS in Kconfig else we get build errors with CONFIG_USB_MUSB_HDRC=m CONFIG_USB_MUSB_OMAP2PLUS=m CONFIG_TWL4030_USB=y CONFIG_TWL6030_USB=y LD init/built-in.o drivers/built-in.o: In function `twl4030_usb_irq': drivers/usb/otg/twl4030-usb.c:518: undefined reference to `omap_musb_mailbox' drivers/built-in.o: In function `twl4030_usb_phy_init': drivers/usb/otg/twl4030-usb.c:540: undefined reference to `omap_musb_mailbox' drivers/built-in.o: In function `twl6030_usb_irq': drivers/usb/otg/twl6030-usb.c:230: undefined reference to `omap_musb_mailbox' drivers/usb/otg/twl6030-usb.c:225: undefined reference to `omap_musb_mailbox' drivers/built-in.o: In function `twl6030_usbotg_irq': drivers/usb/otg/twl6030-usb.c:259: undefined reference to `omap_musb_mailbox' CC: Peter Meerwald <pmeerw@pmeerw.net> Signed-off-by: Roger Quadros <rogerq@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2012-10-30ASoC: wm5102: Write register value corrections after SYSCLK is enabledMark Brown
Evalation of the WM5102 has identified a number of register values which should be written after SYSCLK is enabled on revision A in order to improve performance. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-10-30ALSA: Avoid endless sleep after disconnectTakashi Iwai
When disconnect callback is called, each component should wake up sleepers and check card->shutdown flag for avoiding the endless sleep blocking the proper resource release. Cc: <stable@vger.kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-10-30ALSA: Add a reference counter to card instanceTakashi Iwai
For more strict protection for wild disconnections, a refcount is introduced to the card instance, and let it up/down when an object is referred via snd_lookup_*() in the open ops. The free-after-last-close check is also changed to check this refcount instead of the empty list, too. Reported-by: Matthieu CASTET <matthieu.castet@parrot.com> Cc: <stable@vger.kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-10-30ALSA: usb-audio: Fix races at disconnection in mixer_quirks.cTakashi Iwai
Similar like the previous commit, cover with chip->shutdown_rwsem and chip->shutdown checks. Reported-by: Matthieu CASTET <matthieu.castet@parrot.com> Cc: <stable@vger.kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-10-30ALSA: usb-audio: Use rwsem for disconnect protectionTakashi Iwai
Replace mutex with rwsem for codec->shutdown protection so that concurrent accesses are allowed. Also add the protection to snd_usb_autosuspend() and snd_usb_autoresume(), too. Reported-by: Matthieu CASTET <matthieu.castet@parrot.com> Cc: <stable@vger.kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-10-30ALSA: usb-audio: Fix races at disconnectionTakashi Iwai
Close some races at disconnection of a USB audio device by adding the chip->shutdown_mutex and chip->shutdown check at appropriate places. The spots to put bandaids are: - PCM prepare, hw_params and hw_free - where the usb device is accessed for communication or get speed, in mixer.c and others; the device speed is now cached in subs->speed instead of accessing to chip->dev The accesses in PCM open and close don't need the mutex protection because these are already handled in the core PCM disconnection code. The autosuspend/autoresume codes are still uncovered by this patch because of possible mutex deadlocks. They'll be covered by the upcoming change to rwsem. Also the mixer codes are untouched, too. These will be fixed in another patch, too. Reported-by: Matthieu CASTET <matthieu.castet@parrot.com> Cc: <stable@vger.kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-10-30ALSA: PCM: Fix some races at disconnectionTakashi Iwai
Fix races at PCM disconnection: - while a PCM device is being opened or closed - while the PCM state is being changed without lock in prepare, hw_params, hw_free ops Reported-by: Matthieu CASTET <matthieu.castet@parrot.com> Cc: <stable@vger.kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-10-30x86/ce4100: Fix PCI configuration register access for devices without interruptsMaxime Bizon
Some CE4100 devices such as the: - DFX module (01:0b.7) - entertainment encryption device (01:10.0) - multimedia controller (01:12.0) do not have a device interrupt at all. This patch fixes the PCI controller code to declare the missing PCI configuration register space, as well as a fixup method for forcing the interrupt pin to be 0 for these devices. This is required to ensure that pci drivers matching on these devices will be able to honor the various PCI subsystem calls touching the configuration space. Signed-off-by: Maxime Bizon <mbizon@freebox.fr> Signed-off-by: Florian Fainelli <ffainelli@freebox.fr> Acked-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: rui.zhang@intel.com Cc: alan@linux.intel.com Link: http://lkml.kernel.org/r/1351518020-25556-4-git-send-email-ffainelli@freebox.fr Signed-off-by: Ingo Molnar <mingo@kernel.org>
2012-10-30x86/ce4100: Fix reboot by forcing the reboot method to be KBDMaxime Bizon
The default reboot is via ACPI for this platform, and the CEFDK bootloader actually supports this, but will issue a system power off instead of a real reboot. Setting the reboot method to be KBD instead of ACPI ensures proper system reboot. Acked-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Maxime Bizon <mbizon@freebox.fr> Signed-off-by: Florian Fainelli <ffainelli@freebox.fr> Cc: rui.zhang@intel.com Cc: alan@linux.intel.com Link: http://lkml.kernel.org/r/1351518020-25556-3-git-send-email-ffainelli@freebox.fr Signed-off-by: Ingo Molnar <mingo@kernel.org>
2012-10-30x86/ce4100: Fix pm_poweroffFlorian Fainelli
The CE4100 platform is currently missing a proper pm_poweroff implementation leading to poweroff making the CPU spin forever and the CE4100 platform does not enter a low-power mode where the external Power Management Unit can properly power off the system. Power off on this platform is implemented pretty much like reboot, by writing to the SoC built-in 8051 microcontroller mapped at I/O port 0xcf9, the value 0x4. Signed-off-by: Florian Fainelli <ffainelli@freebox.fr> Acked-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: rui.zhang@intel.com Cc: alan@linux.intel.com Link: http://lkml.kernel.org/r/1351518020-25556-2-git-send-email-ffainelli@freebox.fr Signed-off-by: Ingo Molnar <mingo@kernel.org>
2012-10-30MAINTAINERS: Update email address for Robert RichterRobert Richter
Signed-off-by: Robert Richter <rric@kernel.org> Signed-off-by: Andreas Herrmann <herrmann.der.user@googlemail.com> Cc: lm-sensors@lm-sensors.org Cc: oprofile-list@lists.sf.net Cc: Stephane Eranian <eranian@google.com> Cc: Borislav Petkov <bp@alien8.de> Cc: =?iso-8859-1?Q?J=F6rg_R=F6del?= <joro@8bytes.org> Cc: Rafael J. Wysocki <rjw@sisk.pl> Cc: Jean Delvare <khali@linux-fr.org> Cc: Guenter Roeck <linux@roeck-us.net> Link: http://lkml.kernel.org/r/20121029175325.GE5024@tweety Signed-off-by: Ingo Molnar <mingo@kernel.org>
2012-10-30x86, microcode_amd: Change email addresses, MAINTAINERS entryAndreas Herrmann
Signed-off-by: Andreas Herrmann <herrmann.der.user@googlemail.com> Cc: lm-sensors@lm-sensors.org Cc: oprofile-list@lists.sf.net Cc: Stephane Eranian <eranian@google.com> Cc: Robert Richter <rric@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Jorg Roedel <joro@8bytes.org> Cc: Rafael J. Wysocki <rjw@sisk.pl> Cc: Jean Delvare <khali@linux-fr.org> Cc: Guenter Roeck <linux@roeck-us.net> Link: http://lkml.kernel.org/r/20121029175138.GC5024@tweety Signed-off-by: Ingo Molnar <mingo@kernel.org>
2012-10-30MAINTAINERS: Change Boris' email addressBorislav Petkov
Move to private mail address. Signed-off-by: Borislav Petkov <bp@alien8.de> Link: http://lkml.kernel.org/r/1351532410-4887-3-git-send-email-bp@alien8.de Signed-off-by: Ingo Molnar <mingo@kernel.org>
2012-10-30EDAC: Change Boris' email addressBorislav Petkov
My @amd.com address will be invalid soon so move to private email address. Signed-off-by: Borislav Petkov <bp@alien8.de> Link: http://lkml.kernel.org/r/1351532410-4887-2-git-send-email-bp@alien8.de Signed-off-by: Ingo Molnar <mingo@kernel.org>
2012-10-30x86, AMD: Change Boris' email addressBorislav Petkov
Move to private email and put in maintained status. Signed-off-by: Borislav Petkov <bp@alien8.de> Link: http://lkml.kernel.org/r/1351532410-4887-1-git-send-email-bp@alien8.de Signed-off-by: Ingo Molnar <mingo@kernel.org>
2012-10-30loop: Make explicit loop device destruction lazyDave Chinner
xfstests has always had random failures of tests due to loop devices failing to be torn down and hence leaving filesytems that cannot be unmounted. This causes test runs to immediately stop. Over the past 6 or 7 years we've added hacks like explicit unmount -d commands for loop mounts, losetup -d after unmount -d fails, etc, but still the problems persist. Recently, the frequency of loop related failures increased again to the point that xfstests 259 will reliably fail with a stray loop device that was not torn down. That is despite the fact the test is above as simple as it gets - loop 5 or 6 times running mkfs.xfs with different paramters: lofile=$(losetup -f) losetup $lofile "$testfile" "$MKFS_XFS_PROG" -b size=512 $lofile >/dev/null || echo "mkfs failed!" sync losetup -d $lofile And losteup -d $lofile is failing with EBUSY on 1-3 of these loops every time the test is run. Turns out that blkid is running simultaneously with losetup -d, and so it sees an elevated reference count and returns EBUSY. But why is blkid running? It's obvious, isn't it? udev has decided to try and find out what is on the block device as a result of a creation notification. And it is racing with mkfs, so might still be scanning the device when mkfs finishes and we try to tear it down. So, make losetup -d force autoremove behaviour. That is, when the last reference goes away, tear down the device. xfstests wants it *gone*, not causing random teardown failures when we know that all the operations the tests have specifically run on the device have completed and are no longer referencing the loop device. Signed-off-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2012-10-30mtip32xx:Added appropriate timeout value for secure eraseSelvan Mani
Added appropriate timeout value for secure erase based on identify device data Signed-off-by: Asai Thambi S P <asamymuthupa@micron.com> Signed-off-by: Selvan Mani <smani@micron.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2012-10-30xen/blkback: Change xen_vbd's flush_support and discard_secure to have type ↵Oliver Chick
unsigned int, rather than bool Changing the type of bdev parameters to be unsigned int :1, rather than bool. This is more consistent with the types of other features in the block drivers. Signed-off-by: Oliver Chick <oliver.chick@citrix.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2012-10-30cciss: select CONFIG_CHECK_SIGNATUREAkinobu Mita
The patch cciss-use-check_signature.patch in -mm tree introduced a build error: drivers/built-in.o: In function `CISS_signature_present': drivers/block/cciss.c:4270: undefined reference to `check_signature' Add missing CONFIG_CHECK_SIGNATURE to fix this issue. Reported-by: Fengguang Wu <wfg@linux.intel.com> Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Cc: Fengguang Wu <wfg@linux.intel.com> Cc: Mike Miller <mike.miller@hp.com> Cc: Jens Axboe <axboe@kernel.dk> Acked-by: "Stephen M. Cameron" <scameron@beardog.cce.hp.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2012-10-30cciss: remove unneeded memset()Wei Yongjun
The memory return by kzalloc() or kmem_cache_zalloc() has already be set to zero, so remove useless memset(0). spatch with a semantic match is used to found this problem. (http://coccinelle.lip6.fr/) Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Cc: Mike Miller <mike.miller@hp.com> Cc: Jens Axboe <axboe@kernel.dk> Cc: Stephen M. Cameron <scameron@beardog.cce.hp.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2012-10-30xen/blkback: use kmem_cache_zalloc instead of kmem_cache_alloc/memsetWei Yongjun
Using kmem_cache_zalloc() instead of kmem_cache_alloc() and memset(). spatch with a semantic match is used to found this problem. (http://coccinelle.lip6.fr/) Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2012-10-30pktcdvd: update MAINTAINERSJiri Kosina
Peter is not going to maintain the driver any more. I have the hardware. Acked-by: Peter Osterlund <petero2@telia.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2012-10-30floppy: remove dr, reuse drive on do_floppy_initHerton Ronaldo Krzesinski
This is a small cleanup, that also may turn error handling of unitialized disks more readable. We don't need a separate variable to track allocated disks, remove dr and reuse drive variable instead. Signed-off-by: Herton Ronaldo Krzesinski <herton.krzesinski@canonical.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz> Signed-off-by: Jens Axboe <axboe@kernel.dk>
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