- Apr 09, 2015
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Linus Torvalds authored
Merge misc fixes from Andrew Morton: "Three fixes" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: mm: numa: disable change protection for vma(VM_HUGETLB) include/linux/dmapool.h: declare struct device mm: move zone lock to a different cache line than order-0 free page lists
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Linus Torvalds authored
Unlike most (all?) other copies from user space, kernel module loading is almost unlimited in size. So we do a potentially huge "copy_from_user()" when we copy the module data from user space to the kernel buffer, which can be a latency concern when preemption is disabled (or voluntary). Also, because 'copy_from_user()' clears the tail of the kernel buffer on failures, even a *failed* copy can end up wasting a lot of time. Normally neither of these are concerns in real life, but they do trigger when doing stress-testing with trinity. Running in a VM seems to add its own overheadm causing trinity module load testing to even trigger the watchdog. The simple fix is to just chunk up the module loading, so that it never tries to copy insanely big areas in one go. That bounds the latency, and also the amount of (unnecessarily, in this case) cleared memory for the failure case. Reported-by:
Sasha Levin <sasha.levin@oracle.com> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Linus Torvalds authored
The rule for 'copy_from_user()' is that it zeroes the remaining kernel buffer even when the copy fails halfway, just to make sure that we don't leave uninitialized kernel memory around. Because even if we check for errors, some kernel buffers stay around after thge copy (think page cache). However, the x86-64 logic for user copies uses a copy_user_generic() function for all the cases, that set the "zerorest" flag for any fault on the source buffer. Which meant that it didn't just try to clear the kernel buffer after a failure in copy_from_user(), it also tried to clear the destination user buffer for the "copy_in_user()" case. Not only is that pointless, it also means that the clearing code has to worry about the tail clearing taking page faults for the user buffer case. Which is just stupid, since that case shouldn't happen in the first place. Get rid of the whole "zerorest" thing entirely, and instead just check if the destination is in kernel space or not. And then just use memset() to clear the tail of the kernel buffer if necessary. Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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- Apr 08, 2015
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-mediaLinus Torvalds authored
Pull media updates from Mauro Carvalho Chehab: "A series of fixup patches for version 4.0: - one VB2 core fixup, when stopping the stream; - one VB2 core fixup for dma-contig memory type; - driver fixes at rtl28xx, s5p (tv, jpeg, mfc, soc-camera, sh_veu, cx23885, gspca" * tag 'media/v3.20-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: [media] rtl28xxu: return success for unimplemented FE callback [media] rtl2832: disable regmap register cache [media] vb2: Fix dma_dir setting for dma-contig mem type [media] media: s5p-mfc: fix broken pointer cast on 64bit arch [media] media: s5p-mfc: fix mmap support for 64bit arch [media] cx23885: fix querycap [media] sh_veu: v4l2_dev wasn't set [media] s5p-mfc: Fix NULL pointer dereference caused by not set q->lock [media] s5p-jpeg: exynos3250: fix erroneous reset procedure [media] s5p-tv: hdmi needs I2C support [media] s5p-jpeg: Initialize cb and cr to zero [media] media: fix gspca drivers build dependencies [media] soc-camera: Fix devm_kfree() in soc_of_bind() [media] media: atmel-isi: increase the burst length to improve the performance [media] vb2: fix 'UNBALANCED' warnings when calling vb2_thread_stop()
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Naoya Horiguchi authored
Currently when a process accesses a hugetlb range protected with PROTNONE, unexpected COWs are triggered, which finally puts the hugetlb subsystem into a broken/uncontrollable state, where for example h->resv_huge_pages is subtracted too much and wraps around to a very large number, and the free hugepage pool is no longer maintainable. This patch simply stops changing protection for vma(VM_HUGETLB) to fix the problem. And this also allows us to avoid useless overhead of minor faults. Signed-off-by:
Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Suggested-by:
Mel Gorman <mgorman@suse.de> Cc: Hugh Dickins <hughd@google.com> Cc: "Kirill A. Shutemov" <kirill@shutemov.name> Cc: David Rientjes <rientjes@google.com> Cc: Rik van Riel <riel@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Mark Brown authored
dmapool uses struct device in function arguments but relies on an implicit inclusion to declare struct device causing warnings in some configurations: include/linux/dmapool.h:31:7: warning: 'struct device' declared inside parameter list Fix this by adding a struct device declaration to the file. Signed-off-by:
Mark Brown <broonie@kernel.org> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Mel Gorman authored
Huang Ying reported the following problem due to commit 3484b2de ("mm: rearrange zone fields into read-only, page alloc, statistics and page reclaim lines") from the Intel performance tests 24b7e581 3484b2de ---------------- -------------------------- %stddev %change %stddev \ | \ 152288 \261 0% -46.2% 81911 \261 0% aim7.jobs-per-min 237 \261 0% +85.6% 440 \261 0% aim7.time.elapsed_time 237 \261 0% +85.6% 440 \261 0% aim7.time.elapsed_time.max 25026 \261 0% +70.7% 42712 \261 0% aim7.time.system_time 2186645 \261 5% +32.0% 2885949 \261 4% aim7.time.voluntary_context_switches 4576561 \261 1% +24.9% 5715773 \261 0% aim7.time.involuntary_context_switches The problem is specific to very large machines under stress. It was not reproducible with the machines I had used to justify the original patch because large numbers of CPUs are required. When pressure is high enough, the cache line is bouncing between CPUs trying to acquire the lock and the holder of the lock adjusting free lists. The intention was that the acquirer of the lock would automatically have the cache line holding the free lists but according to Huang, this is not a universal win. One possibility is to move the zone lock to its own cache line but it increases the size of the zone. This patch moves the lock to the other end of the free lists where they do not contend under high pressure. It does mean the page allocator paths now require more cache lines but Huang reports that it restores performance to previous levels on large machines %stddev %change %stddev \ | \ 84568 \261 1% +94.3% 164280 \261 1% aim7.jobs-per-min 2881944 \261 2% -35.1% 1870386 \261 8% aim7.time.voluntary_context_switches 681 \261 1% -3.4% 658 \261 0% aim7.time.user_time 5538139 \261 0% -12.1% 4867884 \261 0% aim7.time.involuntary_context_switches 44174 \261 1% -46.0% 23848 \261 1% aim7.time.system_time 426 \261 1% -48.4% 219 \261 1% aim7.time.elapsed_time 426 \261 1% -48.4% 219 \261 1% aim7.time.elapsed_time.max 468 \261 1% -43.1% 266 \261 2% uptime.boot Signed-off-by:
Mel Gorman <mgorman@suse.de> Reported-by:
Huang Ying <ying.huang@intel.com> Tested-by:
Huang Ying <ying.huang@intel.com> Acked-by:
David Rientjes <rientjes@google.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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- Apr 07, 2015
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Linus Torvalds authored
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds authored
Pull networking fixes from David Miller: 1) In TCP, don't register an FRTO for cumulatively ACK'd data that was previously SACK'd, from Neal Cardwell. 2) Need to hold RNL mutex in ipv4 multicast code namespace cleanup, from Cong WANG. 3) Similarly we have to hold RNL mutex for fib_rules_unregister(), also from Cong WANG. 4) Revert and rework netns nsid allocation fix, from Nicolas Dichtel. 5) When we encapsulate for a tunnel device, skb->sk still points to the user socket. So this leads to cases where we retraverse the ipv4/ipv6 output path with skb->sk being of some other address family (f.e. AF_PACKET). This can cause things to crash since the ipv4 output path is dereferencing an AF_PACKET socket as if it were an ipv4 one. The short term fix for 'net' and -stable is to elide these socket checks once we've entered an encapsulation sequence by testing xmit_recursion. Longer term we have a better solution wherein we pass the tunnel's socket down through the output paths, but that is way too invasive for 'net' and -stable. From Hannes Frederic Sowa. 6) l2tp_init() failure path forgets to unregister per-net ops, from Cong WANG. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: net/mlx4_core: Fix error message deprecation for ConnectX-2 cards net: dsa: fix filling routing table from OF description l2tp: unregister l2tp_net_ops on failure path mvneta: dont call mvneta_adjust_link() manually ipv6: protect skb->sk accesses from recursive dereference inside the stack netns: don't allocate an id for dead netns Revert "netns: don't clear nsid too early on removal" ip6mr: call del_timer_sync() in ip6mr_free_table() net: move fib_rules_unregister() under rtnl lock ipv4: take rtnl_lock and mark mrt table as freed on namespace cleanup tcp: fix FRTO undo on cumulative ACK of SACKed range xen-netfront: transmit fully GSO-sized packets
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Jack Morgenstein authored
Commit 1daa4303 ("net/mlx4_core: Deprecate error message at ConnectX-2 cards startup to debug") did the deprecation only for port 1 of the card. Need to deprecate for port 2 as well. Fixes: 1daa4303 ("net/mlx4_core: Deprecate error message at ConnectX-2 cards startup to debug") Signed-off-by:
Jack Morgenstein <jackm@dev.mellanox.co.il> Signed-off-by:
Amir Vadai <amirv@mellanox.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Pavel Nakonechny authored
According to description in 'include/net/dsa.h', in cascade switches configurations where there are more than one interconnected devices, 'rtable' array in 'dsa_chip_data' structure is used to indicate which port on this switch should be used to send packets to that are destined for corresponding switch. However, dsa_of_setup_routing_table() fills 'rtable' with port numbers of the _target_ switch, but not current one. This commit removes redundant devicetree parsing and adds needed port number as a function argument. So dsa_of_setup_routing_table() now just looks for target switch number by parsing parent of 'link' device node. To remove possible misunderstandings with the way of determining target switch number, a corresponding comment was added to the source code and to the DSA device tree bindings documentation file. This was tested on a custom board with two Marvell 88E6095 switches with following corresponding routing tables: { -1, 10 } and { 8, -1 }. Signed-off-by:
Pavel Nakonechny <pavel.nakonechny@skitlab.ru> Reviewed-by:
Andrew Lunn <andrew@lunn.ch> Reviewed-by:
Florian Fainelli <f.fainelli@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/inputLinus Torvalds authored
Pull input fixes from Dmitry Torokhov: "Updates for the input subsystem - two more tweaks for ALPS driver to work out kinks after splitting the touchpad, trackstick, and potential external PS/2 mouse into separate input devices. Changes to support ALPS SS4 devices (protocol V8) will be coming in 4.1..." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: alps - document stick behavior for protocol V2 Input: alps - report V2 Dualpoint Stick events via the right evdev node Input: alps - report interleaved bare PS/2 packets via dev3
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WANG Cong authored
Signed-off-by:
Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Stas Sergeev authored
mvneta_adjust_link() is a callback for of_phy_connect() and should not be called directly. The result of calling it directly is as below: Signed-off-by:
David S. Miller <davem@davemloft.net>
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hannes@stressinduktion.org authored
We should not consult skb->sk for output decisions in xmit recursion levels > 0 in the stack. Otherwise local socket settings could influence the result of e.g. tunnel encapsulation process. ipv6 does not conform with this in three places: 1) ip6_fragment: we do consult ipv6_npinfo for frag_size 2) sk_mc_loop in ipv6 uses skb->sk and checks if we should loop the packet back to the local socket 3) ip6_skb_dst_mtu could query the settings from the user socket and force a wrong MTU Furthermore: In sk_mc_loop we could potentially land in WARN_ON(1) if we use a PF_PACKET socket ontop of an IPv6-backed vxlan device. Reuse xmit_recursion as we are currently only interested in protecting tunnel devices. Cc: Jiri Pirko <jiri@resnulli.us> Signed-off-by:
Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by:
David S. Miller <davem@davemloft.net>
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- Apr 06, 2015
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Hans de Goede authored
Document that protocol V2 uses standard (bare) PS/2 mouse packets for the DualPoint stick. Signed-off-by:
Hans de Goede <hdegoede@redhat.com> Acked-By:
Pali Rohár <pali.rohar@gmail.com> Signed-off-by:
Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Hans de Goede authored
On V2 devices the DualPoint Stick reports bare packets, these should be reported via the "AlpsPS/2 ALPS DualPoint Stick" dev2 evdev node, which also has the INPUT_PROP_POINTING_STICK propbit set. Note that since there is no way to distinguish these packets from an external PS/2 mouse (insofar as these laptops have an external PS/2 port) this means that we will be reporting PS/2 mouse events via this evdev node too, as we've been doing in kernel 3.19 and older. This has been tested on a Dell Latitude D620 and a Dell Latitude E6400, which both have a V2 touchpad + a DualPoint Stick which reports bare packets. Signed-off-by:
Hans de Goede <hdegoede@redhat.com> Reviewed-by:
Pali Rohár <pali.rohar@gmail.com> Signed-off-by:
Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Hans de Goede authored
Bare packets should be reported via the same evdev device independent on whether they are detected on the beginning of a packet or in the middle of a packet. This has been tested on a Dell Latitude E6400, where the DualPoint Stick reports bare packets, which get reported via dev3 when the touchpad is idle, and via dev2 when the touchpad and stick are used simultaneously. This commit fixes this inconsistency by always reporting bare packets via dev3. Note that since the come from a DualPoint Stick they really should be reported via dev2, this gets fixed in a later commit. Signed-off-by:
Hans de Goede <hdegoede@redhat.com> Reviewed-by:
Pali Rohár <pali.rohar@gmail.com> Signed-off-by:
Dmitry Torokhov <dmitry.torokhov@gmail.com>
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- Apr 05, 2015
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usbLinus Torvalds authored
Pull USB fixes from Greg KH: "Here are some small USB fixes and new device ids for 4.0-rc6. Nothing major, some xhci fixes for reported problems, and some usb-serial device ids. All have been in linux-next for a while" * tag 'usb-4.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: USB: ftdi_sio: Use jtag quirk for SNAP Connect E10 usb: isp1760: fix spin unlock in the error path of isp1760_udc_start usb: xhci: apply XHCI_AVOID_BEI quirk to all Intel xHCI controllers usb: xhci: handle Config Error Change (CEC) in xhci driver USB: keyspan_pda: add new device id USB: ftdi_sio: Added custom PID for Synapse Wireless product
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/stagingLinus Torvalds authored
Pull staging driver fixes from Greg KH: "Here are some staging driver fixes, well, really all just IIO driver fixes, for 4.0-rc6. They fix issues that have been reported with these drivers. All of these patches have been in linux-next for a while" * tag 'staging-4.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: iio: imu: Use iio_trigger_get for indio_dev->trig assignment iio: adc: vf610: use ADC clock within specification iio/adc/cc10001_adc.c: Fix !HAS_IOMEM build iio: core: Fix double free. iio:inv-mpu6050: Fix inconsistency for the scale channel staging: iio: dummy: Fix undefined symbol build error iio: inv_mpu6050: Clear timestamps fifo while resetting hardware fifo staging: iio: hmc5843: Set iio name property in sysfs iio: bmc150: change sampling frequency iio: fix drivers that check buffer->scan_mask
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/ttyLinus Torvalds authored
Pull tty/serial fixes from Greg KH: "Here are 3 serial driver fixes for 4.0-rc6. They fix some reported issues with the samsung and fsl_lpuart drivers. All have been in linux-next for a while" * tag 'tty-4.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: tty: serial: fsl_lpuart: clear receive flag on FIFO flush tty: serial: fsl_lpuart: specify transmit FIFO size serial: samsung: Clear operation mode on UART shutdown
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- Apr 04, 2015
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/inputLinus Torvalds authored
Pull input subsystem fixes from Dmitry Torokhov: "A fix for ALPS driver for issue introduced in the latest update and a tweak for yet another Lenovo box in Synaptics. There will be more ALPS tweaks coming.." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: define INPUT_PROP_ACCELEROMETER behavior Input: synaptics - fix min-max quirk value for E440 Input: synaptics - add quirk for Thinkpad E440 Input: ALPS - fix max coordinates for v5 and v7 protocols Input: add MT_TOOL_PALM
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git://git.kernel.dk/linux-blockLinus Torvalds authored
Pull block layer fix from Jens Axboe: "Just one patch in this pull request, fixing a regression caused by a 'mathematically correct' change to lcm()" * 'for-linus' of git://git.kernel.dk/linux-block: block: fix blk_stack_limits() regression due to lcm() change
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 fixes from Ingo Molnar: "Misc fixes: a SYSRET single-stepping fix, a dmi-scan robustization fix, a reboot quirk and a kgdb fixlet" * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: kgdb/x86: Fix reporting of 'si' in kgdb on x86_64 x86/asm/entry/64: Disable opportunistic SYSRET if regs->flags has TF set x86/reboot: Add ASRock Q1900DC-ITX mainboard reboot quirk MAINTAINERS: Change the x86 microcode loader maintainer firmware: dmi_scan: Prevent dmi_num integer overflow
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull perf fixes from Ingo Molnar: "Two x86 Intel PMU constraint handling fixes" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf/x86/intel: Fix Haswell CYCLE_ACTIVITY.* counter constraints perf/x86/intel: Filter branches for PEBS event
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git://git.kernel.org/pub/scm/linux/kernel/git/glikely/linuxLinus Torvalds authored
Pull devicetree fix from Grant Likely: "Simple bugfix for bad device tree data on the PA-Semi platform" * tag 'devicetree-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/glikely/linux: drivers/of: Add empty ranges quirk for PA-Semi
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git://git.samba.org/sfrench/cifs-2.6Linus Torvalds authored
Pull CIFS fixes from Steve French: "A set of small cifs fixes fixing a memory leak, kernel oops, and infinite loop (and some spotted by Coverity)" * 'for-next' of git://git.samba.org/sfrench/cifs-2.6: Fix warning Fix another dereference before null check warning CIFS: session servername can't be null Fix warning on impossible comparison Fix coverity warning Fix dereference before null check warning Don't ignore errors on encrypting password in SMBTcon Fix warning on uninitialized buftype cifs: potential memory leaks when parsing mnt opts cifs: fix use-after-free bug in find_writable_file cifs: smb2_clone_range() - exit on unhandled error
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Nicolas Dichtel authored
First, let's explain the problem. Suppose you have an ipip interface that stands in the netns foo and its link part in the netns bar (so the netns bar has an nsid into the netns foo). Now, you remove the netns bar: - the bar nsid into the netns foo is removed - the netns exit method of ipip is called, thus our ipip iface is removed: => a netlink message is built in the netns foo to advertise this deletion => this netlink message requests an nsid for bar, thus a new nsid is allocated for bar and never removed. This patch adds a check in peernet2id() so that an id cannot be allocated for a netns which is currently destroyed. Signed-off-by:
Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Nicolas Dichtel authored
This reverts commit 4217291e ("netns: don't clear nsid too early on removal"). This is not the right fix, it introduces races. Signed-off-by:
Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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- Apr 03, 2015
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WANG Cong authored
We need to wait for the flying timers, since we are going to free the mrtable right after it. Cc: Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by:
Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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WANG Cong authored
We have to hold rtnl lock for fib_rules_unregister() otherwise the following race could happen: fib_rules_unregister(): fib_nl_delrule(): ... ... ... ops = lookup_rules_ops(); list_del_rcu(&ops->list); list_for_each_entry(ops->rules) { fib_rules_cleanup_ops(ops); ... list_del_rcu(); list_del_rcu(); } Note, net->rules_mod_lock is actually not needed at all, either upper layer netns code or rtnl lock guarantees we are safe. Cc: Alexander Duyck <alexander.h.duyck@redhat.com> Cc: Thomas Graf <tgraf@suug.ch> Signed-off-by:
Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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WANG Cong authored
This is the IPv4 part for commit 905a6f96 (ipv6: take rtnl_lock and mark mrt6 table as freed on namespace cleanup). Cc: Hannes Frederic Sowa <hannes@stressinduktion.org> Acked-by:
Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by:
Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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git://people.freedesktop.org/~airlied/linuxLinus Torvalds authored
Pull drm fixes from Dave Airlie: "One drm core fix, one exynos regression fix, two sets of radeon fixes (Alex was a bit behind last week), and two i915 fixes. Nothing too serious we seem to have calmed down i915 since last week" * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: drm/radeon: fix wait in radeon_mn_invalidate_range_start drm/radeon: add extra check in radeon_ttm_tt_unpin_userptr drm: Exynos: Respect framebuffer pitch for FIMD/Mixer drm/i915: Reject the colorkey ioctls for primary and cursor planes drm/i915: Skip allocating shadow batch for 0-length batches drm/radeon: programm the VCE fw BAR as well drm/radeon: always dump the ring content if it's available radeon: Do not directly dereference pointers to BIOS area. drm/radeon/dpm: fix 120hz handling harder drm/edid: set ELD for firmware and debugfs override EDIDs
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git://git.infradead.org/users/jcooper/linuxLinus Torvalds authored
Pull irqchip fixes from Jason Cooper: "This is the second round of fixes for irqchip. It contains some fixes found while the arm64 guys were writing the kvm gicv3 its emulation. GICv3 ITS: - Small batch of fixes discovered while writing the kvm ITS emulation" * tag 'irqchip-fixes-4.0-2' of git://git.infradead.org/users/jcooper/linux: irqchip: gicv3-its: Use non-cacheable accesses when no shareability irqchip: gicv3-its: Fix PROP/PEND and BASE/CBASE confusion irqchip: gicv3-its: Fix device ID encoding irqchip: gicv3-its: Fix encoding of collection's target redistributor
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git://people.freedesktop.org/~agd5f/linuxDave Airlie authored
Just two small fixes for radeon, both destined for stable. * 'drm-fixes-4.0' of git://people.freedesktop.org/~agd5f/linux: drm/radeon: fix wait in radeon_mn_invalidate_range_start drm/radeon: add extra check in radeon_ttm_tt_unpin_userptr
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Dave Airlie authored
Merge branch 'exynos-drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-fixes Fix display on issue to Exynos5250 based Snow(1366x768) board. * 'exynos-drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos: drm: Exynos: Respect framebuffer pitch for FIMD/Mixer
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git://anongit.freedesktop.org/drm-intelDave Airlie authored
one oops fixes and a 0-length allocation fix from next backported. * tag 'drm-intel-fixes-2015-04-02' of git://anongit.freedesktop.org/drm-intel: drm/i915: Reject the colorkey ioctls for primary and cursor planes drm/i915: Skip allocating shadow batch for 0-length batches
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git://anongit.freedesktop.org/drm-intelDave Airlie authored
Here's a single drm core fix, cc: stable, that affects i915 users. * tag 'topic/drm-fixes-2015-04-02' of git://anongit.freedesktop.org/drm-intel: drm/edid: set ELD for firmware and debugfs override EDIDs
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Antti Palosaari authored
Return success for FE callback on case we don't have any special implementation. fc0013 tuner driver calls that callback in order to switch antenna input, even we don't provide antenna switch. Returning error caused fc0013 driver given up tuning. Signed-off-by:
Antti Palosaari <crope@iki.fi> Signed-off-by:
Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Antti Palosaari authored
Caching register reads causes some random I/O errors on channel change. Disable caching now in order to avoid those errors. Reverts partly commit dcadb82a Signed-off-by:
Antti Palosaari <crope@iki.fi> Signed-off-by:
Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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