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Some Aveo Technology USB 2.0 Camera (1871:0306) revisions seem to require the
PROBE_MINMAX quirk. As the camera supports uncompressed YUYV data only, it's
safe to set the quirk even if not strictly required for all models. Update the
device entry in the device IDs list.
Signed-off-by: Laurent Pinchart <laurent.pinchart@skynet.be>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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To make UVC constants accessible by a future UVC gadget driver, move them from
drivers/media/video/uvc/uvcvideo.h to include/linux/usb/video.h.
Signed-off-by: Laurent Pinchart <laurent.pinchart@skynet.be>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Those constants are not used anymore, remove them.
Signed-off-by: Laurent Pinchart <laurent.pinchart@skynet.be>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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In preparation to moving UVC constants to a public location, prefix all
constants with UVC_ to avoid namespace clashes.
Signed-off-by: Laurent Pinchart <laurent.pinchart@skynet.be>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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uvcvideo.h redefines class-specific descriptor types already present in
usb/ch9.h. Remove the duplicated definitions and use the ones from usb/ch9.h.
Signed-off-by: Laurent Pinchart <laurent.pinchart@skynet.be>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Thanks to Hans Verkuil <hverkuil@xs4all.nl> for pointing this issue on
my last patch.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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VIDIOC_ENUM_FRAMESIZES
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Add g_crop, s_crop and cropcap methods to video v4l2-subdev operations.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Reviewed-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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With the changes this file suffered along the time, things got a little disorganized.
In particular, V4L2_PIX_FMT_YVYU were shown as a device-specific format, instead of
yet another variant of YUV.
There's no functional change on this patch. It just adds some comments and reorder
fourcc formats to their proper places.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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v4l2_ctrl_query_fill
Signed-off-by: Tobias Lorenz <tobias.lorenz@gmx.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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- Remove user count log messages
- Comments adopted to general style
Signed-off-by: Tobias Lorenz <tobias.lorenz@gmx.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Add support for interrupt mode for RDS endpoint, instead of polling.
Improves RDS reception significantly
Signed-off-by: Edouard Lafargue <edouard@lafargue.name>
Acked-by: Tobias Lorenz <tobias.lorenz@gmx.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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* git://git.linux-nfs.org/projects/trondmy/nfs-2.6: (87 commits)
NFSv4: Disallow 'mount -t nfs4 -overs=2' and 'mount -t nfs4 -overs=3'
NFS: Allow the "nfs" file system type to support NFSv4
NFS: Move details of nfs4_get_sb() to a helper
NFS: Refactor NFSv4 text-based mount option validation
NFS: Mount option parser should detect missing "port="
NFS: out of date comment regarding O_EXCL above nfs3_proc_create()
NFS: Handle a zero-length auth flavor list
SUNRPC: Ensure that sunrpc gets initialised before nfs, lockd, etc...
nfs: fix compile error in rpc_pipefs.h
nfs: Remove reference to generic_osync_inode from a comment
SUNRPC: cache must take a reference to the cache detail's module on open()
NFS: Use the DNS resolver in the mount code.
NFS: Add a dns resolver for use with NFSv4 referrals and migration
SUNRPC: Fix a typo in cache_pipefs_files
nfs: nfs4xdr: optimize low level decoding
nfs: nfs4xdr: get rid of READ_BUF
nfs: nfs4xdr: simplify decode_exchange_id by reusing decode_opaque_inline
nfs: nfs4xdr: get rid of COPYMEM
nfs: nfs4xdr: introduce decode_sessionid helper
nfs: nfs4xdr: introduce decode_verifier helper
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git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev: (25 commits)
pata_rz1000: use printk_once
ahci: kill @force_restart and refine CLO for ahci_kick_engine()
pata_cs5535: add pci id for AMD based CS5535 controllers
ahci: Add AMD SB900 SATA/IDE controller device IDs
drivers/ata: use resource_size
sata_fsl: Defer non-ncq commands when ncq commands active
libata: add SATA PMP revision information for spec 1.2
libata: fix off-by-one error in ata_tf_read_block()
ahci: Gigabyte GA-MA69VM-S2 can't do 64bit DMA
ahci: make ahci_asus_m2a_vm_32bit_only() quirk more generic
dmi: extend dmi_get_year() to dmi_get_date()
dmi: fix date handling in dmi_get_year()
libata: unbreak TPM filtering by reorganizing ata_scsi_pass_thru()
sata_sis: convert to slave_link
sata_sil24: always set protocol override for non-ATAPI data commands
libata: Export AHCI capabilities
libata: Delegate nonrot flag setting to SCSI
[libata] Add pata_rdc driver for RDC ATA devices
drivers/ata: Remove unnecessary semicolons
libata: remove spindown skipping and warning
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'tracing-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (105 commits)
ring-buffer: only enable ring_buffer_swap_cpu when needed
ring-buffer: check for swapped buffers in start of committing
tracing: report error in trace if we fail to swap latency buffer
tracing: add trace_array_printk for internal tracers to use
tracing: pass around ring buffer instead of tracer
tracing: make tracing_reset safe for external use
tracing: use timestamp to determine start of latency traces
tracing: Remove mentioning of legacy latency_trace file from documentation
tracing/filters: Defer pred allocation, fix memory leak
tracing: remove users of tracing_reset
tracing: disable buffers and synchronize_sched before resetting
tracing: disable update max tracer while reading trace
tracing: print out start and stop in latency traces
ring-buffer: disable all cpu buffers when one finds a problem
ring-buffer: do not count discarded events
ring-buffer: remove ring_buffer_event_discard
ring-buffer: fix ring_buffer_read crossing pages
ring-buffer: remove unnecessary cpu_relax
ring-buffer: do not swap buffers during a commit
ring-buffer: do not reset while in a commit
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (64 commits)
sched: Fix sched::sched_stat_wait tracepoint field
sched: Disable NEW_FAIR_SLEEPERS for now
sched: Keep kthreads at default priority
sched: Re-tune the scheduler latency defaults to decrease worst-case latencies
sched: Turn off child_runs_first
sched: Ensure that a child can't gain time over it's parent after fork()
sched: enable SD_WAKE_IDLE
sched: Deal with low-load in wake_affine()
sched: Remove short cut from select_task_rq_fair()
sched: Turn on SD_BALANCE_NEWIDLE
sched: Clean up topology.h
sched: Fix dynamic power-balancing crash
sched: Remove reciprocal for cpu_power
sched: Try to deal with low capacity, fix update_sd_power_savings_stats()
sched: Try to deal with low capacity
sched: Scale down cpu_power due to RT tasks
sched: Implement dynamic cpu_power
sched: Add smt_gain
sched: Update the cpu_power sum during load-balance
sched: Add SD_PREFER_SIBLING
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'perfcounters-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (60 commits)
perf tools: Avoid unnecessary work in directory lookups
perf stat: Clean up statistics calculations a bit more
perf stat: More advanced variance computation
perf stat: Use stddev_mean in stead of stddev
perf stat: Remove the limit on repeat
perf stat: Change noise calculation to use stddev
x86, perf_counter, bts: Do not allow kernel BTS tracing for now
x86, perf_counter, bts: Correct pointer-to-u64 casts
x86, perf_counter, bts: Fail if BTS is not available
perf_counter: Fix output-sharing error path
perf trace: Fix read_string()
perf trace: Print out in nanoseconds
perf tools: Seek to the end of the header area
perf trace: Fix parsing of perf.data
perf trace: Sample timestamps as well
perf_counter: Introduce new (non-)paranoia level to allow raw tracepoint access
perf trace: Sample the CPU too
perf tools: Work around strict aliasing related warnings
perf tools: Clean up warnings list in the Makefile
perf tools: Complete support for dynamic strings
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'oprofile-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (55 commits)
arch/x86/oprofile/op_model_amd.c: fix op_amd_handle_ibs() return type
Revert "x86: oprofile/op_model_amd.c set return values for op_amd_handle_ibs()"
x86/oprofile: Small coding style fixes
x86/oprofile: Add counter reservation check for virtual counters
x86/oprofile: Implement op_x86_virt_to_phys()
oprofile: Adding switch counter to oprofile statistic variables
x86/oprofile: Implement mux_clone()
x86/oprofile: Enable multiplexing only if the model supports it
x86/oprofile: Add function has_mux() to check multiplexing support
x86/oprofile: Modify initialization of num_virt_counters
x86/oprofile: Remove unused num_virt_controls from struct op_x86_model_spec
x86/oprofile: Remove const qualifier from struct op_x86_model_spec
x86/oprofile: Moving nmi_cpu_switch() in nmi_int.c
x86/oprofile: Moving nmi_cpu_save/restore_mpx_registers() in nmi_int.c
x86/oprofile: Moving nmi_setup_cpu_mux() in nmi_int.c
x86/oprofile: Implement multiplexing setup/shutdown functions
oprofile: Grouping multiplexing code in op_model_amd.c
oprofile: Introduce op_x86_phys_to_virt()
oprofile: Grouping multiplexing code in oprof.c
oprofile: Remove oprofile_multiplexing_init()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'irq-threaded-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
genirq: Do not mask oneshot edge type interrupts
genirq: Support nested threaded irq handling
genirq: Add buslock support
genirq: Add oneshot support
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
pci/intr_remapping: Allocate irq_iommu on node
irq: Add irq_node() primitive
irq: Make sure irq_desc for legacy irq get correct node setting
genirq: Add prototype for handle_nested_irq()
irq: Remove superfluous NULL pointer check in check_irq_resend()
irq: Clean up by removing irqfixup MODULE_PARM_DESC()
genirq: Fix comment describing suspend_device_irqs()
genirq: Remove obsolete defines and typedefs
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (28 commits)
rcu: Move end of special early-boot RCU operation earlier
rcu: Changes from reviews: avoid casts, fix/add warnings, improve comments
rcu: Create rcutree plugins to handle hotplug CPU for multi-level trees
rcu: Remove lockdep annotations from RCU's _notrace() API members
rcu: Add #ifdef to suppress __rcu_offline_cpu() warning in !HOTPLUG_CPU builds
rcu: Add CPU-offline processing for single-node configurations
rcu: Add "notrace" to RCU function headers used by ftrace
rcu: Remove CONFIG_PREEMPT_RCU
rcu: Merge preemptable-RCU functionality into hierarchical RCU
rcu: Simplify rcu_pending()/rcu_check_callbacks() API
rcu: Use debugfs_remove_recursive() simplify code.
rcu: Merge per-RCU-flavor initialization into pre-existing macro
rcu: Fix online/offline indication for rcudata.csv trace file
rcu: Consolidate sparse and lockdep declarations in include/linux/rcupdate.h
rcu: Renamings to increase RCU clarity
rcu: Move private definitions from include/linux/rcutree.h to kernel/rcutree.h
rcu: Expunge lingering references to CONFIG_CLASSIC_RCU, optimize on !SMP
rcu: Delay rcu_barrier() wait until beginning of next CPU-hotunplug operation.
rcu: Fix typo in rcu_irq_exit() comment header
rcu: Make rcupreempt_trace.c look at offline CPUs
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'core-printk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
printk: Fix "printk: Enable the use of more than one CON_BOOT (early console)"
printk: Restore previous console_loglevel when re-enabling logging
printk: Ensure that "console enabled" messages are printed on the console
printk: Enable the use of more than one CON_BOOT (early console)
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (32 commits)
locking, m68k/asm-offsets: Rename signal defines
locking: Inline spinlock code for all locking variants on s390
locking: Simplify spinlock inlining
locking: Allow arch-inlined spinlocks
locking: Move spinlock function bodies to header file
locking, m68k: Calculate thread_info offset with asm offset
locking, m68k/asm-offsets: Rename pt_regs offset defines
locking, sparc: Rename __spin_try_lock() and friends
locking, powerpc: Rename __spin_try_lock() and friends
lockdep: Remove recursion stattistics
lockdep: Simplify lock_stat seqfile code
lockdep: Simplify lockdep_chains seqfile code
lockdep: Simplify lockdep seqfile code
lockdep: Fix missing entries in /proc/lock_chains
lockdep: Fix missing entry in /proc/lock_stat
lockdep: Fix memory usage info of BFS
lockdep: Reintroduce generation count to make BFS faster
lockdep: Deal with many similar locks
lockdep: Introduce lockdep_assert_held()
lockdep: Fix style nits
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'core-iommu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (59 commits)
x86/gart: Do not select AGP for GART_IOMMU
x86/amd-iommu: Initialize passthrough mode when requested
x86/amd-iommu: Don't detach device from pt domain on driver unbind
x86/amd-iommu: Make sure a device is assigned in passthrough mode
x86/amd-iommu: Align locking between attach_device and detach_device
x86/amd-iommu: Fix device table write order
x86/amd-iommu: Add passthrough mode initialization functions
x86/amd-iommu: Add core functions for pd allocation/freeing
x86/dma: Mark iommu_pass_through as __read_mostly
x86/amd-iommu: Change iommu_map_page to support multiple page sizes
x86/amd-iommu: Support higher level PTEs in iommu_page_unmap
x86/amd-iommu: Remove old page table handling macros
x86/amd-iommu: Use 2-level page tables for dma_ops domains
x86/amd-iommu: Remove bus_addr check in iommu_map_page
x86/amd-iommu: Remove last usages of IOMMU_PTE_L0_INDEX
x86/amd-iommu: Change alloc_pte to support 64 bit address space
x86/amd-iommu: Introduce increase_address_space function
x86/amd-iommu: Flush domains if address space size was increased
x86/amd-iommu: Introduce set_dte_entry function
x86/amd-iommu: Add a gneric version of amd_iommu_flush_all_devices
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'core-futexes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
futex: Detect mismatched requeue targets
futex: Correct futex_wait_requeue_pi() commentary
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'core-debug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
debug lockups: Improve lockup detection, fix generic arch fallback
debug lockups: Improve lockup detection
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'core-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
workqueues: Improve schedule_work() documentation
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* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (102 commits)
crypto: sha-s390 - Fix warnings in import function
crypto: vmac - New hash algorithm for intel_txt support
crypto: api - Do not displace newly registered algorithms
crypto: ansi_cprng - Fix module initialization
crypto: xcbc - Fix alignment calculation of xcbc_tfm_ctx
crypto: fips - Depend on ansi_cprng
crypto: blkcipher - Do not use eseqiv on stream ciphers
crypto: ctr - Use chainiv on raw counter mode
Revert crypto: fips - Select CPRNG
crypto: rng - Fix typo
crypto: talitos - add support for 36 bit addressing
crypto: talitos - align locks on cache lines
crypto: talitos - simplify hmac data size calculation
crypto: mv_cesa - Add support for Orion5X crypto engine
crypto: cryptd - Add support to access underlaying shash
crypto: gcm - Use GHASH digest algorithm
crypto: ghash - Add GHASH digest algorithm for GCM
crypto: authenc - Convert to ahash
crypto: api - Fix aligned ctx helper
crypto: hmac - Prehash ipad/opad
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: (377 commits)
ASoC: au1x: PSC-AC97 bugfixes
ALSA: dummy - Increase MAX_PCM_SUBSTREAMS to 128
ALSA: dummy - Add debug proc file
ALSA: Add const prefix to proc helper functions
ALSA: Re-export snd_pcm_format_name() function
ALSA: hda - Use auto model for HP laptops with ALC268 codec
ALSA: cs46xx - Fix minimum period size
ASoC: Fix WM835x Out4 capture enumeration
ALSA: Remove unneeded ifdef from sound/core.h
ALSA: Remove struct snd_monitor_file from public sound/core.h
ASoC: Remove unuused hw_read_t
sound: oxygen: work around MCE when changing volume
ALSA: dummy - Fake buffer allocations
ALSA: hda/realtek: Added support for CLEVO M540R subsystem, 6 channel + digital
ASoC: fix pxa2xx-ac97.c breakage
ALSA: dummy - Fix the timer calculation in systimer mode
ALSA: dummy - Add more description
ALSA: dummy - Better jiffies handling
ALSA: dummy - Support high-res timer mode
ALSA: Release v1.0.21
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* 'writeback' of git://git.kernel.dk/linux-2.6-block:
writeback: check for registered bdi in flusher add and inode dirty
writeback: add name to backing_dev_info
writeback: add some debug inode list counters to bdi stats
writeback: get rid of pdflush completely
writeback: switch to per-bdi threads for flushing data
writeback: move dirty inodes from super_block to backing_dev_info
writeback: get rid of generic_sync_sb_inodes() export
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* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6: (54 commits)
[S390] tape: Use pr_xxx instead of dev_xxx in shared driver code
[S390] Wire up page fault events for software perf counters.
[S390] Remove smp_cpu_not_running.
[S390] Get rid of cpuid.h header file.
[S390] Limit cpu detection to 256 physical cpus.
[S390] tape: Fix device online messages
[S390] Enable guest page hinting by default.
[S390] use generic scatterlist.h
[S390] s390dbf: Add description for usage of "%s" in sprintf events
[S390] Initialize __LC_THREAD_INFO early.
[S390] fix recursive locking on page_table_lock
[S390] kvm: use console_initcall() to initialize s390 virtio console
[S390] tape: reversed order of labels
[S390] hypfs: Use "%u" instead of "%d" for unsigned ints in snprintf
[S390] kernel: Print an error message if kernel NSS cannot be defined
[S390] zcrypt: Free ap_device if dev_set_name fails.
[S390] zcrypt: Use spin_lock_bh in suspend callback
[S390] xpram: Remove checksum validation for suspend/resume
[S390] vmur: Invalid allocation sequence for vmur class
[S390] hypfs: remove useless variable qname
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* 'kmemleak' of git://linux-arm.org/linux-2.6:
kmemleak: Improve the "Early log buffer exceeded" error message
kmemleak: fix sparse warning for static declarations
kmemleak: fix sparse warning over overshadowed flags
kmemleak: move common painting code together
kmemleak: add clear command support
kmemleak: use bool for true/false questions
kmemleak: Do no create the clean-up thread during kmemleak_disable()
kmemleak: Scan all thread stacks
kmemleak: Don't scan uninitialized memory when kmemcheck is enabled
kmemleak: Ignore the aperture memory hole on x86_64
kmemleak: Printing of the objects hex dump
kmemleak: Do not report alloc_bootmem blocks as leaks
kmemleak: Save the stack trace for early allocations
kmemleak: Mark the early log buffer as __initdata
kmemleak: Dump object information on request
kmemleak: Allow rescheduling during an object scanning
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git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (48 commits)
RDMA/iwcm: Reject the connection when the cm_id is destroyed
RDMA/cxgb3: Clean up properly on FW mismatch failures
RDMA/cxgb3: Don't ignore insert_handle() failures
MAINTAINERS: InfiniBand/RDMA mailing list transition to vger
IB/mad: Allow tuning of QP0 and QP1 sizes
IB/mad: Fix possible lock-lock-timer deadlock
RDMA/nes: Map MTU to IB_MTU_* and correctly report link state
RDMA/nes: Rework the disconn routine for terminate and flushing
RDMA/nes: Use the flush code to fill in cqe error
RDMA/nes: Make poll_cq return correct number of wqes during flush
RDMA/nes: Use flush mechanism to set status for wqe in error
RDMA/nes: Implement Terminate Packet
RDMA/nes: Add CQ error handling
RDMA/nes: Clean out CQ completions when QP is destroyed
RDMA/nes: Change memory allocation for cqp request to GFP_ATOMIC
RDMA/nes: Allocate work item for disconnect event handling
RDMA/nes: Update refcnt during disconnect
IB/mthca: Don't allow userspace open while recovering from catastrophic error
IB/mthca: Distinguish multiple devices in /proc/interrupts
IB/mthca: Annotate CQ locking
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git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6: (57 commits)
binfmt_elf: fix PT_INTERP bss handling
TPM: Fixup boot probe timeout for tpm_tis driver
sysfs: Add labeling support for sysfs
LSM/SELinux: inode_{get,set,notify}secctx hooks to access LSM security context information.
VFS: Factor out part of vfs_setxattr so it can be called from the SELinux hook for inode_setsecctx.
KEYS: Add missing linux/tracehook.h #inclusions
KEYS: Fix default security_session_to_parent()
Security/SELinux: includecheck fix kernel/sysctl.c
KEYS: security_cred_alloc_blank() should return int under all circumstances
IMA: open new file for read
KEYS: Add a keyctl to install a process's session keyring on its parent [try #6]
KEYS: Extend TIF_NOTIFY_RESUME to (almost) all architectures [try #6]
KEYS: Do some whitespace cleanups [try #6]
KEYS: Make /proc/keys use keyid not numread as file position [try #6]
KEYS: Add garbage collection for dead, revoked and expired keys. [try #6]
KEYS: Flag dead keys to induce EKEYREVOKED [try #6]
KEYS: Allow keyctl_revoke() on keys that have SETATTR but not WRITE perm [try #6]
KEYS: Deal with dead-type keys appropriately [try #6]
CRED: Add some configurable debugging [try #6]
selinux: Support for the new TUN LSM hooks
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Based on a suggestion from Jaswinder, clarify what the user would need
to do to avoid this error message from kmemleak.
Reported-by: Jaswinder Singh Rajput <jaswinder@kernel.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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For messages from the tape core that is shared between the 3590 and 34xx
tape disciplines, we want to have the "tape" prefix instead of "tape_3590"
or "tape_34xx". In order to fix this, we now use the pr_xxx printk macros.
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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smp_cpu_not_running() and cpu_stopped() are doing the same.
Remove one and also get rid of the last hard_smp_processor_id() leftover.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Merge cpuid.h header file into cpu.h.
While at it convert from typedef to struct declaration and also
convert cio code to use proper lowcore structure instead of casts.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Saves us more than 65k pointless IPIs.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Currently, when a tape device is set online and no cartridge is loaded, we
get the messages "The tape cartridge has been successfully unloaded" and
"Determining the size of the recorded area". These messages are not correct.
To fix this, we now print the "cartridge loaded/unloaded" messages only,
when the load/unload event really occurs. In addition to that, the message
"Determining the size of the recorded area" is only printed, if a cartridge
is loaded.
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Get rid of the PAGE_STATES config option and enable guest page hinting
by default.
It can be disabled by specifying "cmma=off" at the command line.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Using "%s" in sprintf event functions is dangerous. This patch adds a short
description for this issue to the s390 debug feature documentation.
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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"lockdep: Fix backtraces" reveales a bug in early setup code: when
lockdep tries to save a stack backtrace before setup_arch has been
called the lowcore pointer for the current thread info pointer isn't
initialized yet.
However our save stack backtrace code relies on it. If the pointer
isn't initialized the saved backtrace will have zero entries.
lockdep however relies (correctly) on the fact that that cannot
happen.
A write access to some random memory region is the result.
Fix this by initializing the thread info pointer early.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Suzuki Poulose reported the following recursive locking bug on s390:
Here is the stack trace : (see Appendix I for more info)
[<0000000000406ed6>] _spin_lock+0x52/0x94
[<0000000000103bde>] crst_table_free+0x14e/0x1a4
[<00000000001ba684>] __pmd_alloc+0x114/0x1ec
[<00000000001be8d0>] handle_mm_fault+0x2cc/0xb80
[<0000000000407d62>] do_dat_exception+0x2b6/0x3a0
[<0000000000114f8c>] sysc_return+0x0/0x8
[<00000200001642b2>] 0x200001642b2
The page_table_lock is already acquired in __pmd_alloc (mm/memory.c) and
it tries to populate the pud/pgd with a new pmd allocated. If another
thread populates it before we get a chance, we free the pmd using
pmd_free().
On s390x, pmd_free(even pud_free ) is #defined to crst_table_free(),
which acquires the page_table_lock to protect the crst_table index updates.
Hence this ends up in a recursive locking of the page_table_lock.
The solution suggested by Dave Hansen is to use a new spin lock in the mmu
context to protect the access to the crst_list and the pgtable_list.
Reported-by: Suzuki Poulose <suzuki@in.ibm.com>
Cc: Dave Hansen <dave@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Use a console_initcall() to initialize the s390 virtio console and
clean up s390 console initialization in setup.c.
Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Tested-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Fix the order of goto labels in tape_generic_online.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
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