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We need to explicitly include module.h since some of its facilities
are used.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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hgpk.c uses interfaces from linux/module.h, so it should include that file.
This fixes build errors.
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/staging
* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/staging: (24 commits)
hwmon: (lm90) Refactor reading of config2 register
hwmon: (lm90) Make SA56004 detection more robust
hwmon: (lm90) Simplify handling of extended local temp register
hwmon: (pmbus) Add client driver for LM25066, LM5064, and LM5066
hwmon: (max34440) Add support for peak attributes
hwmon: (max8688) Add support for peak attributes
hwmon: (max16064) Add support for peak attributes
hwmon: (adm1275) Add support for peak attributes
hwmon: (pmbus) Add support for peak attributes
hwmon: Add new attributes to sysfs ABI
hwmon: (pmbus) Strengthen check for status register existence
hwmon: (pmbus) Add support for virtual pages
hwmon: (pmbus) Support reading and writing of word registers in device specific code
hwmon: (pmbus) Increase attribute name size
hwmon: (pmbus) Add ADP4000, NCP4200 and NCP4208 to list of supported devices
hwmon: (pmbus) Add support for VID output voltage mode
hwmon: (pmbus) Move PMBus drivers to drivers/hwmon/pmbus
hwmon: (coretemp) Add core/pkg threshold support to Coretemp
hwmon: (lm95241) Add support for LM95231
hwmon: LM95245 driver
...
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shm_lock() does a lookup of shm segment in shm_ids(ns).ipcs_idr, which
is redundant as we already know shmid_kernel address. An actual lock is
also not required for reads until we really want to destroy the segment.
exit_shm() and shm_destroy_orphaned() may avoid the loop by checking
whether there is at least one segment in current ipc_namespace.
The check of nsproxy and ipc_ns against NULL is redundant as exit_shm()
is called from do_exit() before the call to exit_notify(), so the
dereferencing current->nsproxy->ipc_ns is guaranteed to be safe.
Reported-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Vasiliy Kulikov <segoon@openwall.com>
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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shm_try_destroy_orphaned() and shm_try_destroy_current() didn't handle
the case of separate PID namespaces, but a single IPC namespace. If
there are tasks with the same PID values using the same shmem object,
the wrong destroy decision could be reached.
On shm segment creation store the pointer to the creator task in
shmid_kernel->shm_creator field and zero it on task exit. Then
use the ->shm_creator insread of shm_cprid in both functions. As
shmid_kernel object is already locked at this stage, no additional
locking is needed.
Signed-off-by: Vasiliy Kulikov <segoon@openwall.com>
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Print out the name of the file that triggers the cookie loop message to
make it slightly easier to track down the cause.
Signed-off-by: Bryan Schumaker <bjschuma@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (71 commits)
[SCSI] fcoe: cleanup cpu selection for incoming requests
[SCSI] fcoe: add fip retry to avoid missing critical keep alive
[SCSI] libfc: fix warn on in lport retry
[SCSI] libfc: Remove the reference to FCP packet from scsi_cmnd in case of error
[SCSI] libfc: cleanup sending SRR request
[SCSI] libfc: two minor changes in comments
[SCSI] libfc, fcoe: ignore rx frame with wrong xid info
[SCSI] libfc: release exchg cache
[SCSI] libfc: use FC_MAX_ERROR_CNT
[SCSI] fcoe: remove unused ptype field in fcoe_rcv_info
[SCSI] bnx2fc: Update copyright and bump version to 1.0.4
[SCSI] bnx2fc: Tx BDs cache in write tasks
[SCSI] bnx2fc: Do not arm CQ when there are no CQEs
[SCSI] bnx2fc: hold tgt lock when calling cmd_release
[SCSI] bnx2fc: Enable support for sequence level error recovery
[SCSI] bnx2fc: HSI changes for tape
[SCSI] bnx2fc: Handle REC_TOV error code from firmware
[SCSI] bnx2fc: REC/SRR link service request and response handling
[SCSI] bnx2fc: Support 'sequence cleanup' task
[SCSI] dh_rdac: Associate HBA and storage in rdac_controller to support partitions in storage
...
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If the directory contents change, then we have to accept that the
file->f_pos value may shrink if we do a 'search-by-cookie'. In that
case, we should turn off the loop detection and let the NFS client
try to recover.
The patch also fixes a second loop detection bug by ensuring
that after turning on the ctx->duped flag, we read at least one new
cookie into ctx->dir_cookie before attempting to match with
ctx->dup_cookie.
Reported-by: Petr Vandrovec <petr@vandrovec.name>
Cc: stable@kernel.org [2.6.39+]
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6
* 'slub/lockless' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6: (21 commits)
slub: When allocating a new slab also prep the first object
slub: disable interrupts in cmpxchg_double_slab when falling back to pagelock
Avoid duplicate _count variables in page_struct
Revert "SLUB: Fix build breakage in linux/mm_types.h"
SLUB: Fix build breakage in linux/mm_types.h
slub: slabinfo update for cmpxchg handling
slub: Not necessary to check for empty slab on load_freelist
slub: fast release on full slab
slub: Add statistics for the case that the current slab does not match the node
slub: Get rid of the another_slab label
slub: Avoid disabling interrupts in free slowpath
slub: Disable interrupts in free_debug processing
slub: Invert locking and avoid slab lock
slub: Rework allocator fastpaths
slub: Pass kmem_cache struct to lock and freeze slab
slub: explicit list_lock taking
slub: Add cmpxchg_double_slab()
mm: Rearrange struct page
slub: Move page->frozen handling near where the page->freelist handling occurs
slub: Do not use frozen page flag but a bit in the page counters
...
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We added some more error handling in b40971426a "ext4: add error
checking to calls to ext4_handle_dirty_metadata()". But we need to
call kfree() as well to avoid a memory leak.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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As requested by Al Viro, since umode_t may be changing to a u32 for
some architectures.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: Al Viro <viro@ZenIV.linux.org.uk>
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Fix problems if fsync() races against a rename of a parent directory
as pointed out by Al Viro in his own inimitable way:
>While we are at it, could somebody please explain what the hell is ext4
>doing in
>static int ext4_sync_parent(struct inode *inode)
>{
> struct writeback_control wbc;
> struct dentry *dentry = NULL;
> int ret = 0;
>
> while (inode && ext4_test_inode_state(inode, EXT4_STATE_NEWENTRY)) {
> ext4_clear_inode_state(inode, EXT4_STATE_NEWENTRY);
> dentry = list_entry(inode->i_dentry.next,
> struct dentry, d_alias);
> if (!dentry || !dentry->d_parent || !dentry->d_parent->d_inode)
> break;
> inode = dentry->d_parent->d_inode;
> ret = sync_mapping_buffers(inode->i_mapping);
> ...
>Note that dentry obviously can't be NULL there. dentry->d_parent is never
>NULL. And dentry->d_parent would better not be negative, for crying out
>loud! What's worse, there's no guarantees that dentry->d_parent will
>remain our parent over that sync_mapping_buffers() *and* that inode won't
>just be freed under us (after rename() and memory pressure leading to
>eviction of what used to be our dentry->d_parent)......
Reported-by: Al Viro <viro@ZenIV.linux.org.uk>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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This patch fixes a bug in transport_handle_cdb_direct() usage with target_core
where transport_generic_wait_for_tasks() was bypassing active I/O + usage of
cmd->t_transport_stop_comp because cmd->t_transport_active=1 was not being set
before dispatching with transport_generic_new_cmd(). The fix follows existing
usage in transport_generic_handle_cdb*() -> transport_add_cmd_to_queue() and
set these directly, as well as handle transport_generic_new_cmd() exceptions
for QUEUE_FULL and CHECK_CONDITION instead of propigating up to RX context
fabric code.
The bug was manifesting itself with the following SLUB poison overwritten
warnings with iscsi-target v4.1 LUNs using the new process context direct
operation during session reinstatement with active I/O exception handling:
[885410.498267] =============================================================================
[885410.621622] BUG lio_cmd_cache: Poison overwritten
[885410.621791] -----------------------------------------------------------------------------
[885410.621792]
[885410.623420] INFO: 0xffff880000cf3750-0xffff880000cf378d. First byte 0x6a instead of 0x6b
[885410.626332] INFO: Allocated in iscsit_allocate_cmd+0x1c/0xd4 [iscsi_target_mod] age=345 cpu=1 pid=22554
[885411.855189] INFO: Freed in iscsit_release_cmd+0x208/0x217 [iscsi_target_mod] age=1410 cpu=1 pid=22554
[885411.856048] INFO: Slab 0xffffea000002d480 objects=22 used=0 fp=0xffff880000cf7300 flags=0x4080
[885411.856368] INFO: Object 0xffff880000cf33c0 @offset=13248 fp=0xffff880000cf6780
<SNIP>
[885411.955678] Pid: 22554, comm: iscsi_trx Not tainted 3.0.0-rc7+ #30
[885411.956040] Call Trace:
[885411.957029] [<ffffffff810e5cf9>] print_trailer+0x12e/0x137
[885412.752879] [<ffffffff810e61d9>] check_bytes_and_report+0xb9/0xfd
[885412.754933] [<ffffffff810e62d2>] check_object+0xb5/0x192
[885412.755099] [<ffffffff810e6445>] __free_slab+0x96/0x13a
[885412.757008] [<ffffffff810e652a>] discard_slab+0x41/0x43
[885412.758171] [<ffffffff810e7a4c>] __slab_free+0xf3/0xfe
[885412.761027] [<ffffffffa030a536>] ? iscsit_release_cmd+0x208/0x217 [iscsi_target_mod]
[885412.761354] [<ffffffff810e7e95>] kmem_cache_free+0x6f/0xac
[885412.761536] [<ffffffffa030a536>] iscsit_release_cmd+0x208/0x217 [iscsi_target_mod]
[885412.762056] [<ffffffffa020e467>] ? iblock_free_task+0x34/0x39 [target_core_iblock]
[885412.762368] [<ffffffffa0314131>] lio_release_cmd+0x10/0x12 [iscsi_target_mod]
[885412.764129] [<ffffffffa02c2254>] transport_release_cmd+0x2f/0x33 [target_core_mod]
[885412.805024] [<ffffffffa02c230e>] transport_generic_remove+0xb6/0xc3 [target_core_mod]
[885412.806424] [<ffffffff81035b5f>] ? try_to_wake_up+0x1bd/0x1bd
[885412.809033] [<ffffffffa02c241f>] transport_generic_free_cmd+0x75/0x7d [target_core_mod]
[885412.810066] [<ffffffffa02c2643>] transport_generic_wait_for_tasks+0x21c/0x22b [target_core_mod]
[885412.811056] [<ffffffff8139f0b1>] ? mutex_lock+0x11/0x32
[885412.813059] [<ffffffff8139f0b1>] ? mutex_lock+0x11/0x32
[885412.813200] [<ffffffffa030b81d>] iscsit_close_connection+0x1d5/0x63a [iscsi_target_mod]
[885412.813517] [<ffffffffa0300a82>] iscsit_take_action_for_connection_exit+0xdb/0xe0 [iscsi_target_mod]
[885412.813851] [<ffffffffa03111e9>] iscsi_target_rx_thread+0x11f6/0x1221 [iscsi_target_mod]
[885412.829024] [<ffffffff81033e8d>] ? pick_next_task_fair+0xbe/0x10e
[885412.831010] [<ffffffffa030fff3>] ? iscsit_handle_scsi_cmd+0x91d/0x91d [iscsi_target_mod]
[885412.833011] [<ffffffffa030fff3>] ? iscsit_handle_scsi_cmd+0x91d/0x91d [iscsi_target_mod]
[885412.835010] [<ffffffff8105388a>] kthread+0x7d/0x85
[885412.837022] [<ffffffff813a7124>] kernel_thread_helper+0x4/0x10
[885412.838008] [<ffffffff8105380d>] ? kthread_worker_fn+0x145/0x145
[885412.840047] [<ffffffff813a7120>] ? gs_change+0x13/0x13
[885412.842007] FIX lio_cmd_cache: Restoring 0xffff880000cf3750-0xffff880000cf378d=0x6
Cc: Christoph Hellwig <hch@lst.de>
Cc: Andy Grover <agrover@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6
* 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6: (25 commits)
kconfig: Introduce IS_ENABLED(), IS_BUILTIN() and IS_MODULE()
xconfig: Abort close if configuration cannot be saved
kconfig: fix missing "0x" prefix from S_HEX symbol in autoconf.h
kconfig/nconf: remove useless conditionnal
kconfig/nconf: prevent segfault on empty menu
kconfig/nconf: use the generic menu_get_ext_help()
nconfig: Avoid Wunused-but-set warning
kconfig/conf: mark xfgets() private
kconfig: remove pending prototypes for kconfig_load()
kconfig/conf: add command line options' description
kconfig/conf: reduce the scope of `defconfig_file'
kconfig: use calloc() for expr allocation
kconfig: introduce specialized printer
kconfig: do not overwrite symbol direct dependency in assignment
kconfig/gconf: silent missing prototype warnings
kconfig/gconf: kill deadcode
kconfig: nuke LKC_DIRECT_LINK cruft
kconfig: nuke reference to SWIG
kconfig: add missing <stdlib.h> inclusion
kconfig: add missing <ctype.h> inclusion
...
Fix up conflicts in scripts/kconfig/Makefile
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (430 commits)
[media] ir-mce_kbd-decoder: include module.h for its facilities
[media] ov5642: include module.h for its facilities
[media] em28xx: Fix DVB-C maxsize for em2884
[media] tda18271c2dd: Fix saw filter configuration for DVB-C @6MHz
[media] v4l: mt9v032: Fix Bayer pattern
[media] V4L: mt9m111: rewrite set_pixfmt
[media] V4L: mt9m111: fix missing return value check mt9m111_reg_clear
[media] V4L: initial driver for ov5642 CMOS sensor
[media] V4L: sh_mobile_ceu_camera: fix Oops when USERPTR mapping fails
[media] V4L: soc-camera: remove soc-camera bus and devices on it
[media] V4L: soc-camera: un-export the soc-camera bus
[media] V4L: sh_mobile_csi2: switch away from using the soc-camera bus notifier
[media] V4L: add media bus configuration subdev operations
[media] V4L: soc-camera: group struct field initialisations together
[media] V4L: soc-camera: remove now unused soc-camera specific PM hooks
[media] V4L: pxa-camera: switch to using standard PM hooks
[media] NetUP Dual DVB-T/C CI RF: force card hardware revision by module param
[media] Don't OOPS if videobuf_dvb_get_frontend return NULL
[media] NetUP Dual DVB-T/C CI RF: load firmware according card revision
[media] omap3isp: Support configurable HS/VS polarities
...
Fix up conflicts:
- arch/arm/mach-omap2/board-rx51-peripherals.c:
cleanup regulator supply definitions in mach-omap2
vs
OMAP3: RX-51: define vdds_csib regulator supply
- drivers/staging/tm6000/tm6000-alsa.c (trivial)
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* 'for-linus' of git://oss.sgi.com/xfs/xfs:
xfs: Fix build breakage in xfs_iops.c when CONFIG_FS_POSIX_ACL is not set
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git://git.kernel.org/pub/scm/linux/kernel/git/ecryptfs/ecryptfs-2.6
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/ecryptfs/ecryptfs-2.6:
ecryptfs: Make inode bdi consistent with superblock bdi
eCryptfs: Unlock keys needed by ecryptfsd
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git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen
* 'stable/bug.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
xen/balloon: Fix compile errors - missing header files.
xen/grant: Fix compile warning.
xen/pciback: remove duplicated #include
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remove unnecessary code that matches this coccinelle pattern
if (...)
return ret;
return ret;
Signed-off-by: Greg Dietsche <Gregory.Dietsche@cuw.edu>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fixes this:
drivers/char/ramoops.c: In function 'ramoops_init':
drivers/char/ramoops.c:221: error: implicit declaration of function 'IS_ERR'
drivers/char/ramoops.c:222: error: implicit declaration of function 'PTR_ERR'
If it actually builds on other platforms, it's probably getting
linux/err.h via some other #include.
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6
* 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6:
PCI: remove printks about disabled bridge windows
PCI: fold pci_calc_resource_flags() into decode_bar()
PCI: treat mem BAR type "11" (reserved) as 32-bit, not 64-bit, BAR
PCI: correct pcie_set_readrq write size
PCI: pciehp: change wait time for valid configuration access
x86/PCI: Preserve existing pci=bfsort whitelist for Dell systems
PCI: ARI is a PCIe v2 feature
x86/PCI: quirks: Use pci_dev->revision
PCI: Make the struct pci_dev * argument of pci_fixup_irqs const.
PCI hotplug: cpqphp: use pci_dev->vendor
PCI hotplug: cpqphp: use pci_dev->subsystem_{vendor|device}
x86/PCI: config space accessor functions should not ignore the segment argument
PCI: Assign values to 'pci_obff_signal_type' enumeration constants
x86/PCI: reduce severity of host bridge window conflict warnings
PCI: enumerate the PCI device only removed out PCI hieratchy of OS when re-scanning PCI
PCI: PCIe AER: add aer_recover_queue
x86/PCI: select direct access mode for mmconfig option
PCI hotplug: Rename is_ejectable which also exists in dock.c
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git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen
* 'upstream/xen-tracing2' of git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen:
xen/tracing: fix compile errors when tracing is disabled.
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc
* 'at91/cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc:
at91: add arch specific ioremap support
at91: factorize sram init
at91: move register clocks to soc generic init
at91: move clock subsystem init to soc generic init
at91: use structure to store the current soc
at91: remove AT91_DBGU offset from dbgu register macro
at91: factorize at91 interrupts init to soc
at91: introduce commom AT91_BASE_SYS
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc
* 'next/dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc: (21 commits)
arm/dt: tegra devicetree support
arm/versatile: Add device tree support
dt/irq: add irq_domain_generate_simple() helper
irq: add irq_domain translation infrastructure
dmaengine: imx-sdma: add device tree probe support
dmaengine: imx-sdma: sdma_get_firmware does not need to copy fw_name
dmaengine: imx-sdma: use platform_device_id to identify sdma version
mmc: sdhci-esdhc-imx: add device tree probe support
mmc: sdhci-pltfm: dt device does not pass parent to sdhci_alloc_host
mmc: sdhci-esdhc-imx: get rid of the uses of cpu_is_mx()
mmc: sdhci-esdhc-imx: do not reference platform data after probe
mmc: sdhci-esdhc-imx: extend card_detect and write_protect support for mx5
net/fec: add device tree probe support
net: ibm_newemac: convert it to use of_get_phy_mode
dt/net: add helper function of_get_phy_mode
net/fec: gasket needs to be enabled for some i.mx
serial/imx: add device tree probe support
serial/imx: get rid of the uses of cpu_is_mx1()
arm/dt: Add dtb make rule
arm/dt: Add skeleton dtsi file
...
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc:
ARM: zynq: remove incorrectly deleted file
ARM: tegra: only select MACH_HAS_SND_SOC_TEGRA_WM8903 if SND_SOC
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* git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-watchdog: (25 commits)
watchdog: WatchDog Timer Driver Core - Add minimum and max timeout
watchdog: WatchDog Timer Driver Core - Add ioctl call
watchdog: WatchDog Timer Driver Core - Add nowayout feature
watchdog: WatchDog Timer Driver Core - Add Magic Close feature
watchdog: WatchDog Timer Driver Core - Add WDIOC_SETTIMEOUT and WDIOC_GETTIMEOUT ioctl
watchdog: WatchDog Timer Driver Core - Add WDIOC_SETOPTIONS ioctl
watchdog: WatchDog Timer Driver Core - Add WDIOC_KEEPALIVE ioctl
watchdog: WatchDog Timer Driver Core - Add basic ioctl functionality
watchdog: WatchDog Timer Driver Core - Add basic framework
watchdog: hpwdt: add next gen HP servers
watchdog: it8712f_wdt.c: improve includes
watchdog: at91sam9/wdt: move register header to drivers
watchdog: Add Xilinx watchdog timer driver
watchdog: remove empty pm-functions
watchdog: sp805: Flush posted writes in enable/disable.
watchdog: sp805: Don't write 0 to the load value register.
watchdog: imx2_wdt: add device tree probe support
watchdog: s3c2410: Add support for device tree based probe
watchdog: mpcore_wdt: Add suspend/resume support.
watchdog: mtx1-wdt: use dev_{err,info} instead of printk()
...
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When commit 4e34e719e457 ("fs: take the ACL checks to common code")
changed the xyz_check_acl() functions into the more natural
xyz_get_acl() interface, we grew two copies of the
#define ext2_get_acl NULL
define for the non-acl case.
Remove the extra one.
Reported-by: Marco Stornelli <marco.stornelli@gmail.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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rtctimer.c uses interfaces from linux/module.h, so it should
include that file. This fixes build errors.
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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DMI workaround for A8N-SLI Premium and A8N-SLI DELUXE
to enable the s3 suspend old ordering.
http://bugzilla.kernel.org/show_bug.cgi?id=9528
Tested-by: Heiko Ettelbrück <hbruckynews@gmx.de>
Tested-by: Brian Beardall <brian@rapsure.net>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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At least on a Lenovo X220 the HPD bits of this are enabled at boot but
cleared after resume, which means plug interrupts stop working.
This also happens to fix DP displays re-lighting on resume. I'm quite
certain that's an accident: the first DP link train inevitably fails on
that machine, and it's only serendipity that we're getting multiple plug
interrupts and the second train works. But I shall take my victories
where I get them.
Signed-off-by: Adam Jackson <ajax@redhat.com>
Tested-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
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These bits moved around on SNB and above.
v2: again with the git send-email fail
v3: add macros for getting per-pipe override & enable bits
v4: enable phase sync pointer on SNB and IVB configs as well
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Keith Packard <keithp@keithp.com>
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Using the new quirk added to support disabling SSC on Lenovo U160
(#36656, commit 435793dfb8aec7b2e19f72d5bce8a22fd0b57839), also register
the Vaio as a special case and disable SSC for it.
This patch fixes #34437 on fdo bugzilla:
https://bugs.freedesktop.org/show_bug.cgi?id=34437
Signed-off-by: Michel Alexandre Salim <salimma@fedoraproject.org>
Signed-off-by: Keith Packard <keithp@keithp.com>
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If a mode set fails we may get a message from drm_crtc_helper if we're lucky,
but it won't tell us anything about *why* we failed to set a mode. So
add a few DRM_ERRORs for the cases that shouldn't happen so we can debug
things more easily.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Keith Packard <keithp@keithp.com>
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Mainly for use in debugging and benchmarking, this file allows the user
to control the max frequency used by the GPU. Frequency may still vary
based on workload (if the frequency is set to higher than the minimum)
but won't go over the newly set value.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Keith Packard <keithp@keithp.com>
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The Dell OptiPlex FX170 claims to have LVDS, but doesn't.
Signed-off-by: Pieterjan Camerlynck <pieterjan.camerlynck@gmail.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
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Failing to pin a scanout buffer will most likely lead to a black
screen, so if the GPU is wedged, then just let the pin happen and hope
that things work out OK.
Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
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Replace the config_is_*() macros with a variant that allows for grepping
for usage of CONFIG_* options in the code. Usage:
if (IS_ENABLED(CONFIG_NUMA))
or
#if IS_ENABLED(CONFIG_NUMA)
The IS_ENABLED() macro evaluates to 1 if the argument is set (to either 'y'
or 'm'), IS_BUILTIN() tests if the option is 'y' and IS_MODULE() test if
the option is 'm'. Only boolean and tristate options are supported.
Reviewed-by: Arnaud Lacombe <lacombar@gmail.com>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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IA32-Intel Devel guide Volume 3A - 14.3.2.1
-------------------------------------------
...
Opportunistic processor performance operation can be disabled by setting bit 38 of
IA32_MISC_ENABLES. This mechanism is intended for BIOS only. If
IA32_MISC_ENABLES[38] is set, CPUID.06H:EAX[1] will return 0.
Better detect things via cpuid, this cleans up the code a bit
and the MSR parts were not working correctly anyway.
Signed-off-by: Thomas Renninger <trenn@suse.de>
CC: lenb@kernel.org
CC: linux@dominikbrodowski.net
CC: cpufreq@vger.kernel.org
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
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This adds the last piece missing from turbostat (if called with -v).
It shows on Intel machines supporting Turbo Boost how many cores
have to be active/idle to enter which boost mode (frequency).
Whether the HW really enters these boost modes can be verified via
./cpupower monitor.
Signed-off-by: Thomas Renninger <trenn@suse.de>
CC: lenb@kernel.org
CC: linux@dominikbrodowski.net
CC: cpufreq@vger.kernel.org
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
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commit 4e34e719e45, that takes the ACL checks to common code,
accidentely broke the build when CONFIG_FS_POSIX_ACL is not set:
CC fs/xfs/linux-2.6/xfs_iops.o
fs/xfs/linux-2.6/xfs_iops.c:1025:14: error: ‘xfs_get_acl’ undeclared here (not in a function)
Fix this by declaring xfs_get_acl a static inline function.
Signed-off-by: Markus Trippelsdorf <markus@trippelsdorf.de>
Signed-off-by: Alex Elder <aelder@sgi.com>
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On Ironlake and above, we have per-transcoder DIP registers, so use them
for sending DIPs like AVI infoframes on ILK and above.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Keith Packard <keithp@keithp.com>
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larger sysfs data (>255 bytes) was truncated and thus used improperly
[linux@dominikbrodowski.net: adapted to cpupowerutils]
Signed-off-by: Roman Vasiyarov <rvasiyarov@gmail.com>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
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Signed-off-by: Thomas Renninger <trenn@suse.de>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
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[linux@dominikbrodowski.net: fix .gitignore]
Signed-off-by: Thomas Renninger <trenn@suse.de>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
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As cpupowerutils is intended to be included into the kernel sources,
use the kernel versioning instead of a custom version.
The script utils/version-gen.sh is largely based on the script already
found in tools/perf/util/PERF-VERSION-GEN .
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
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Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
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Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
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Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
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Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
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