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'w90x900' into devel
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Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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This moves the primecell vendor enum definition inside vic.c
out to linux/amba/bus.h where it belongs and replace any
occurances of specific vendor ID:s with the respective enums
instead.
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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On OMAP platforms, some people want to declare to segment up the memory
between the kernel and a separate application such that there is a hole
in the middle of the memory as far as Linux is concerned. However,
they want to be able to mmap() the hole.
This currently causes problems, because update_mmu_cache() thinks that
there are valid struct pages for the "hole". Fix this by making
pfn_valid() slightly more expensive, by checking whether the PFN is
contained within the meminfo array.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Tested-by: Khasim Syed Mohammed <khasim@ti.com>
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Add myself to KVM MAINTAINERS entry.
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
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Conflicts:
arch/sparc/Kconfig
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o Add QLogic copyright, add linux-driver@qlogic.com to
MAINTAINERS.
o Delete old contact information.
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Redesign tx timeout handling in line with new firmware
reset design that co-ordinates with other PCI function
drivers.
o For NX3031, first try to reset PCI function's own
context before requesting firmware reset.
o For NX2031, since firmware heartbit is not supported
directly request firmware reset.
Signed-off-by: Amit Kumar Salecha <amit@netxen.com>
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Release file firmware when no firmware reset is required.
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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o Access on card memory through memory controller (agent)
rather than moving small pci window around. Clean up the
code for moving windows around.
o Restrict memory accesss to 64 bit, currently only firmware
download uses this.
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use 8 byte strides for firmware download into card
memory since oncard memory controller needs 8 byte
(64 bit) accesses. This avoids unnecessary rmw cycles.
Signed-off-by: Amit Kumar Salecha <amit@netxen.com>
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit f6eb9b1fc1411d22c073f5264e5630a541d0f7df, "tg3: Add 5717 asic
rev" changed how the rx return ring size operations are done. It
effectively inverts the sense of the previous test, but it failed to
also invert the resulting sizes. This patch corrects that error.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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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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When CONFIG_INET is disabled, netxen has a build failure:
netxen_nic_main.c:(.text+0x118fd1): undefined reference to `netxen_config_indev_addr'
so make that function just an empty stub when CONFIG_INET=n.
(not "inline" since that conflicts with other declarations of it)
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Acked-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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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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Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In some cases, the network device driver knows what layer-3 address the
device should have. This adds support for the Phonet stack to
automatically request from the driver and add that address to the
network device.
Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add IFA_F_DADFAILED flag to denote an IPv6 address that has
failed Duplicate Address Detection, that way tools like
/sbin/ip can be more informative.
3: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qlen 1000
inet6 2001:db8::1/64 scope global tentative dadfailed
valid_lft forever preferred_lft forever
Signed-off-by: Brian Haley <brian.haley@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The Ethernet framing is used for a lot of devices these days. Most
prominent are WiFi and WiMAX based devices. However for userspace
application it is important to classify these devices correctly and
not only see them as Ethernet devices. The daemons like HAL, DeviceKit
or even NetworkManager with udev support tries to do the classification
in userspace with a lot trickery and extra system calls. This is not
good and actually reaches its limitations. Especially since the kernel
does know the type of the Ethernet device it is pretty stupid.
To solve this problem the underlying device type needs to be set and
then the value will be exported as DEVTYPE via uevents and available
within udev.
# cat /sys/class/net/wlan0/uevent
DEVTYPE=wlan
INTERFACE=wlan0
IFINDEX=5
This is similar to subsystems like USB and SCSI that distinguish
between hosts, devices, disks, partitions etc.
The new SET_NETDEV_DEVTYPE() is a convenience helper to set the actual
device type. All device types are free form, but for convenience the
same strings as used with RFKILL are choosen.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The txq_set_wrr() function in drivers/net/mv643xx_eth.c is
unused, not even referenced under #if 0 or something like that,
which results in a compile-time warning:
drivers/net/mv643xx_eth.c:1070: warning: 'txq_set_wrr' defined but not used
Fix: remove it.
Signed-off-by: Mikael Pettersson <mikpe@it.uu.se>
Signed-off-by: David S. Miller <davem@davemloft.net>
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MPC8360 QE UCC ethernet controllers hang when changing link duplex
under a load (a bit of NFS activity is enough).
PHY: mdio@e0102120:00 - Link is Up - 1000/Full
sh-3.00# ethtool -s eth0 speed 100 duplex half autoneg off
PHY: mdio@e0102120:00 - Link is Down
PHY: mdio@e0102120:00 - Link is Up - 100/Half
NETDEV WATCHDOG: eth0 (ucc_geth): transmit queue 0 timed out
------------[ cut here ]------------
Badness at c01fcbd0 [verbose debug info unavailable]
NIP: c01fcbd0 LR: c01fcbd0 CTR: c0194e44
...
The cure is to disable the controller before changing speed/duplex
and enable it afterwards.
Though, disabling the controller might take quite a while, so we
better not grab any spinlocks in adjust_link(). Instead, we quiesce
the driver's activity, and only then disable the controller.
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We'll need ugeth_disable() and ugeth_enable() calls earlier in the
file, so rearrange some code to avoid forward declarations.
The patch doesn't contain any functional changes.
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Acked-by: Timur Tabi <timur@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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According to specs, when auto-negotiation is disabled, Marvell PHYs need
a software reset after changing speed/duplex forcing bits. Otherwise,
the modified bits have no effect.
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Error handling code following a kzalloc should free the allocated data.
The semantic match that finds the problem is as follows:
(http://www.emn.fr/x-info/coccinelle/)
// <smpl>
@r exists@
local idexpression x;
statement S;
expression E;
identifier f,f1,l;
position p1,p2;
expression *ptr != NULL;
@@
x@p1 = \(kmalloc\|kzalloc\|kcalloc\)(...);
...
if (x == NULL) S
<... when != x
when != if (...) { <+...x...+> }
(
x->f1 = E
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(x->f1 == NULL || ...)
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f(...,x->f1,...)
)
...>
(
return \(0\|<+...x...+>\|ptr\);
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return@p2 ...;
)
@script:python@
p1 << r.p1;
p2 << r.p2;
@@
print "* file: %s kmalloc %s return %s" % (p1[0].file,p1[0].line,p2[0].line)
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Error handling code following a kmalloc should free the allocated data.
The semantic match that finds the problem is as follows:
(http://www.emn.fr/x-info/coccinelle/)
// <smpl>
@r exists@
local idexpression x;
statement S;
expression E;
identifier f,f1,l;
position p1,p2;
expression *ptr != NULL;
@@
x@p1 = \(kmalloc\|kzalloc\|kcalloc\)(...);
...
if (x == NULL) S
<... when != x
when != if (...) { <+...x...+> }
(
x->f1 = E
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(x->f1 == NULL || ...)
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f(...,x->f1,...)
)
...>
(
return \(0\|<+...x...+>\|ptr\);
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return@p2 ...;
)
@script:python@
p1 << r.p1;
p2 << r.p2;
@@
print "* file: %s kmalloc %s return %s" % (p1[0].file,p1[0].line,p2[0].line)
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The only valid usage for the bridge frame hooks are by a
GPL components (such as the bridge module).
The kernel should not leave a crack in the door for proprietary
networking stacks to slip in.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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And also do a better job of returning proper NET_{RX,XMIT}_ values.
Based on a patch and suggestions by Mark Smith.
This fixes CVE-2009-2903
Reported-by: Mark Smith <lk-netdev@lk-netdev.nosense.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Kalle Olavi Niemitalo reported that:
"..., when one process calls sendmsg once to send 43804 bytes of
data and one file descriptor, and another process then calls recvmsg
three times to receive the 16032+16032+11740 bytes, each of those
recvmsg calls returns the file descriptor in the ancillary data. I
confirmed this with strace. The behaviour differs from Linux
2.6.26, where reportedly only one of those recvmsg calls (I think
the first one) returned the file descriptor."
This bug was introduced by a patch from me titled "net: unix: fix inflight
counting bug in garbage collector", commit 6209344f5.
And the reason is, quoting Kalle:
"Before your patch, unix_attach_fds() would set scm->fp = NULL, so
that if the loop in unix_stream_sendmsg() ran multiple iterations,
it could not call unix_attach_fds() again. But now,
unix_attach_fds() leaves scm->fp unchanged, and I think this causes
it to be called multiple times and duplicate the same file
descriptors to each struct sk_buff."
Fix this by introducing a flag that is cleared at the start and set
when the fds attached to the first buffer. The resulting code should
work equivalently to the one on 2.6.26.
Reported-by: Kalle Olavi Niemitalo <kon@iki.fi>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>
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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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