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'spi/topic/efm32', 'spi/topic/ep93xx', 'spi/topic/fsl', 'spi/topic/fsl-dspi', 'spi/topic/fsl-espi' and 'spi/topic/gpio' into spi-next
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'spi/topic/clps711x', 'spi/topic/coldfire', 'spi/topic/completion' and 'spi/topic/davinci' into spi-next
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'spi/topic/au1550', 'spi/topic/bcm63xx', 'spi/topic/bcm63xx-hsspi', 'spi/topic/bfin5xx', 'spi/topic/bitbang' and 'spi/topic/bpw' into spi-next
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The core implementation of cs_change didn't follow the documentation
which says that cs_change in the middle of the transfer means to briefly
deassert chip select, instead it followed buggy drivers which change the
polarity of chip select. Use a delay of 10us between deassert and
reassert simply from pulling numbers out of a hat.
Reported-by: Gerhard Sittig <gsi@denx.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
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spi_bitbang_stop() never fails, so make it return void.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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With devm_kzalloc, the memory is automatically freed when spi_device detach from
the bus.
Fixes: commit 43f627ac9de42 (spi: dw: fix memory leak on error path)
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Mark Brown <broonie@linaro.org>
Cc: stabe@vger.kernel.org
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The memory allocated for chip is not freed anywhere.
Convert to use devm_kzalloc to fix the memory leak.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Set highest transfer speed to master->max_speed_hz and then we can remove
hw->max_speed.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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This helps increasing build testing coverage.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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There is no real reason why we require transfers to have a completion and
the only user of the completion now checks to see if one has been provided
before using it so stop enforcing this. This makes it more convenient for
drivers to chain multiple asynchronous transfers together.
Signed-off-by: Mark Brown <broonie@linaro.org>
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spi core will use spi->max_speed_hz as transfer speed if the transfer speed was
not set. So we don't need to test t->speed_hz in mcfqspi_transfer_one().
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Wolfram Sang pointed out that "efm32,$device" is non-standard. So use the
common scheme and prefix device with "efm32-". The old compatible string
is left in place until arch/arm/boot/dts/efm32* is fixed.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
Cc: stable@vger.kernel.org
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This patch removes <mach/hardware.h> dependency. This is performed
by replace hard coded used memory regions and interrupt to getting
these values from resources passed to the driver. For the system-wide
registers we now able to use SYSCON driver.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Mark Brown <broonie@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc updates from Helge Deller:
- revert parts of the latest patch regarding font selection with STICON
console
- wire up the utimes() syscall for parisc
- remove the unused parisc tmpalias code and unnecessary arch*relax
defines
* 'parisc-3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: locks: remove redundant arch_*_relax operations
parisc: wire up sys_utimes
parisc: Remove unused CONFIG_PARISC_TMPALIAS code
partly revert commit 8a10bc9: parisc/sti_console: prefer Linux fonts over built-in ROM fonts
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Pull sparc fixes from David Miller:
1) Do serial locking in a way that makes things clear that these are
IRQ spinlocks.
2) Conversion to generic idle loop broke first generation Niagara
machines, need to have %pil interrupts enabled during cpu yield
hypervisor call.
3) Do not use magic constants for iterations over tsb tables, from Doug
Wilson.
4) Fix erroneous truncation of 64-bit system call return values to
32-bit. From Dave Kleikamp.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
sparc64: Make sure %pil interrupts are enabled during hypervisor yield.
sparc64:tsb.c:use array size macro rather than number
sparc64: don't treat 64-bit syscall return codes as 32-bit
sparc: serial: Clean up the locking for -rt
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Pull networking fixes from David Miller:
1) OpenVswitch's lookup_datapath() returns error pointers, so don't
check against NULL. From Jiri Pirko.
2) pfkey_compile_policy() code path tries to do a GFP_KERNEL allocation
under RCU locks, fix by using GFP_ATOMIC when necessary. From
Nikolay Aleksandrov.
3) phy_suspend() indirectly passes uninitialized data into the ethtool
get wake-on-land implementations. Fix from Sebastian Hesselbarth.
4) CPSW driver unregisters CPTS twice, fix from Benedikt Spranger.
5) If SKB allocation of reply packet fails, vxlan's arp_reduce() defers
a NULL pointer. Fix from David Stevens.
6) IPV6 neigh handling in vxlan doesn't validate the destination
address properly, and it builds a packet with the src and dst
reversed. Fix also from David Stevens.
7) Fix spinlock recursion during subscription failures in TIPC stack,
from Erik Hugne.
8) Revert buggy conversion of davinci_emac to devm_request_irq, from
Chrstian Riesch.
9) Wrong flags passed into forwarding database netlink notifications,
from Nicolas Dichtel.
10) The netpoll neighbour soliciation handler checks wrong ethertype,
needs to be ETH_P_IPV6 rather than ETH_P_ARP. Fix from Li RongQing.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (34 commits)
tipc: fix spinlock recursion bug for failed subscriptions
vxlan: fix nonfunctional neigh_reduce()
net: davinci_emac: Fix rollback of emac_dev_open()
net: davinci_emac: Replace devm_request_irq with request_irq
netpoll: fix the skb check in pkt_is_ns
net: micrel : ks8851-ml: add vdd-supply support
ip6mr: fix mfc notification flags
ipmr: fix mfc notification flags
rtnetlink: fix fdb notification flags
tcp: syncookies: do not use getnstimeofday()
netlink: fix setsockopt in mmap examples in documentation
openvswitch: Correctly report flow used times for first 5 minutes after boot.
via-rhine: Disable device in error path
ATHEROS-ATL1E: Convert iounmap to pci_iounmap
vxlan: fix potential NULL dereference in arp_reduce()
cnic: Update version to 2.5.20 and copyright year.
cnic,bnx2i,bnx2fc: Fix inconsistent use of page size
cnic: Use proper ulp_ops for per device operations.
net: cdc_ncm: fix control message ordering
ipv6: ip6_append_data_mtu do not handle the mtu of the second fragment properly
...
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If a topology event subscription fails for any reason, such as out
of memory, max number reached or because we received an invalid
request the correct behavior is to terminate the subscribers
connection to the topology server. This is currently broken and
produces the following oops:
[27.953662] tipc: Subscription rejected, illegal request
[27.955329] BUG: spinlock recursion on CPU#1, kworker/u4:0/6
[27.957066] lock: 0xffff88003c67f408, .magic: dead4ead, .owner: kworker/u4:0/6, .owner_cpu: 1
[27.958054] CPU: 1 PID: 6 Comm: kworker/u4:0 Not tainted 3.14.0-rc6+ #5
[27.960230] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[27.960874] Workqueue: tipc_rcv tipc_recv_work [tipc]
[27.961430] ffff88003c67f408 ffff88003de27c18 ffffffff815c0207 ffff88003de1c050
[27.962292] ffff88003de27c38 ffffffff815beec5 ffff88003c67f408 ffffffff817f0a8a
[27.963152] ffff88003de27c58 ffffffff815beeeb ffff88003c67f408 ffffffffa0013520
[27.964023] Call Trace:
[27.964292] [<ffffffff815c0207>] dump_stack+0x45/0x56
[27.964874] [<ffffffff815beec5>] spin_dump+0x8c/0x91
[27.965420] [<ffffffff815beeeb>] spin_bug+0x21/0x26
[27.965995] [<ffffffff81083df6>] do_raw_spin_lock+0x116/0x140
[27.966631] [<ffffffff815c6215>] _raw_spin_lock_bh+0x15/0x20
[27.967256] [<ffffffffa0008540>] subscr_conn_shutdown_event+0x20/0xa0 [tipc]
[27.968051] [<ffffffffa000fde4>] tipc_close_conn+0xa4/0xb0 [tipc]
[27.968722] [<ffffffffa00101ba>] tipc_conn_terminate+0x1a/0x30 [tipc]
[27.969436] [<ffffffffa00089a2>] subscr_conn_msg_event+0x1f2/0x2f0 [tipc]
[27.970209] [<ffffffffa0010000>] tipc_receive_from_sock+0x90/0xf0 [tipc]
[27.970972] [<ffffffffa000fa79>] tipc_recv_work+0x29/0x50 [tipc]
[27.971633] [<ffffffff8105dbf5>] process_one_work+0x165/0x3e0
[27.972267] [<ffffffff8105e869>] worker_thread+0x119/0x3a0
[27.972896] [<ffffffff8105e750>] ? manage_workers.isra.25+0x2a0/0x2a0
[27.973622] [<ffffffff810648af>] kthread+0xdf/0x100
[27.974168] [<ffffffff810647d0>] ? kthread_create_on_node+0x1a0/0x1a0
[27.974893] [<ffffffff815ce13c>] ret_from_fork+0x7c/0xb0
[27.975466] [<ffffffff810647d0>] ? kthread_create_on_node+0x1a0/0x1a0
The recursion occurs when subscr_terminate tries to grab the
subscriber lock, which is already taken by subscr_conn_msg_event.
We fix this by checking if the request to establish a new
subscription was successful, and if not we initiate termination of
the subscriber after we have released the subscriber lock.
Signed-off-by: Erik Hugne <erik.hugne@ericsson.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The VXLAN neigh_reduce() code is completely non-functional since
check-in. Specific errors:
1) The original code drops all packets with a multicast destination address,
even though neighbor solicitations are sent to the solicited-node
address, a multicast address. The code after this check was never run.
2) The neighbor table lookup used the IPv6 header destination, which is the
solicited node address, rather than the target address from the
neighbor solicitation. So neighbor lookups would always fail if it
got this far. Also for L3MISSes.
3) The code calls ndisc_send_na(), which does a send on the tunnel device.
The context for neigh_reduce() is the transmit path, vxlan_xmit(),
where the host or a bridge-attached neighbor is trying to transmit
a neighbor solicitation. To respond to it, the tunnel endpoint needs
to do a *receive* of the appropriate neighbor advertisement. Doing a
send, would only try to send the advertisement, encapsulated, to the
remote destinations in the fdb -- hosts that definitely did not do the
corresponding solicitation.
4) The code uses the tunnel endpoint IPv6 forwarding flag to determine the
isrouter flag in the advertisement. This has nothing to do with whether
or not the target is a router, and generally won't be set since the
tunnel endpoint is bridging, not routing, traffic.
The patch below creates a proxy neighbor advertisement to respond to
neighbor solicitions as intended, providing proper IPv6 support for neighbor
reduction.
Signed-off-by: David L Stevens <dlstevens@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Christian Riesch says:
====================
net: davinci_emac: Fix interrupt requests and error handling
since commit 6892b41d9701283085b655c6086fb57a5d63fa47 (Linux 3.11) the
davinci_emac driver is broken. After doing ifconfig down, ifconfig up,
requesting the interrupts for the driver fails. The interface remains dead
until the board is rebooted.
The first patch in this patchset reverts commit
6892b41d9701283085b655c6086fb57a5d63fa47 partially and makes the driver
useable again.
During the work on the first patch, a number of bugs in the error handling
of the driver's ndo_open code were found. The second patch fixes these bugs.
I believe the first patch meets the rules for stable kernels, I therefore added
the stable tag to this patch. The second patch is just cleanup, the code
that is fixed by this patch is only executed in case of an error.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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If an error occurs during the initialization in emac_dev_open() (the
driver's ndo_open function), interrupts, DMA descriptors etc. must be freed.
The current rollback code is buggy in several ways.
1) Freeing the interrupts. The current code will not free all interrupts
that were requested by the driver. Furthermore, the code tries to do a
platform_get_resource(priv->pdev, IORESOURCE_IRQ, -1) in its last
iteration.
This patch fixes these bugs.
2) Wrong order of err: and rollback: labels. If the setup of the PHY in
the code fails, the interrupts that have been requested before are
not freed:
request irq
if requesting irqs fails, goto rollback
setup phy
if phy setup fails, goto err
return 0
rollback:
free irqs
err:
This patch brings the code into the correct order.
3) The code calls napi_enable() and emac_int_enable(), but does not
undo both in case of an error.
This patch adds calls of emac_int_disable() and napi_disable() to the
rollback code.
4) RX DMA descriptors are not freed in case of an error: Right before
requesting the irqs, the function creates DMA descriptors for the
RX channel. These RX descriptors are never freed when we jump to either
rollback or err.
This patch adds code for freeing the DMA descriptors in the case of
an initialization error. This required a modification of
cpdma_ctrl_stop() in davinci_cpdma.c: We must be able to call this
function to free the DMA descriptors while the DMA channels are
in IDLE state (before cpdma_ctlr_start() was called).
Tested on a custom board with the Texas Instruments AM1808.
Signed-off-by: Christian Riesch <christian.riesch@omicron.at>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In commit 6892b41d9701283085b655c6086fb57a5d63fa47
Author: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Date: Tue Jun 25 21:24:51 2013 +0530
net: davinci: emac: Convert to devm_* api
the call of request_irq is replaced by devm_request_irq and the call
of free_irq is removed. But since interrupts are requested in
emac_dev_open, doing ifconfig up/down on the board requests the
interrupts again each time, causing devm_request_irq to fail. The
interface is dead until the device is rebooted.
This patch reverts said commit partially: It changes the driver back
to use request_irq instead of devm_request_irq, puts free_irq back in
place, but keeps the remaining changes of the original patch.
Reported-by: Jon Ringle <jon@ringle.org>
Signed-off-by: Christian Riesch <christian.riesch@omicron.at>
Cc: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Neighbor Solicitation is ipv6 protocol, so we should check
skb->protocol with ETH_P_IPV6
Signed-off-by: Li RongQing <roy.qing.li@gmail.com>
Cc: WANG Cong <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In arch_cpu_idle() we must enable %pil based interrupts before
potentially invoking the hypervisor cpu yield call.
As per the Hypervisor API documentation for cpu_yield:
Interrupts which are blocked by some mechanism other that
pstate.ie (for example %pil) are not guaranteed to cause
a return from this service.
It seems that only first generation Niagara chips are hit by this
bug. My best guess is that later chips implement this in hardware
and wake up anyways from %pil events, whereas in first generation
chips the yield is implemented completely in hypervisor code and
requires %pil to be enabled in order to wake properly from this
call.
Fixes: 87fa05aeb3a5 ("sparc: Use generic idle loop")
Reported-by: Fabio M. Di Nitto <fabbione@fabbione.net>
Reported-by: Jan Engelhardt <jengelh@inai.de>
Tested-by: Jan Engelhardt <jengelh@inai.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Few platforms use external regulator to keep the ethernet MAC supplied.
So, request and enable the regulator for driver functionality.
Fixes: 66fda75f47dc (regulator: core: Replace direct ops->disable usage)
Reported-by: Russell King <rmk+kernel@arm.linux.org.uk>
Suggested-by: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Now that the arch_{spin,read,write}_relax macros default to cpu_relax(),
remove the redundant definitions for parisc.
Cc: Helge Deller <deller@gmx.de>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Helge Deller <deller@gmx.de>
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We seem to be nearly the only platform which does not provide the
sys_utimes syscall. Adding it now makes our life much easier with
userspace applications (like dietlibc and e2fsprogs) since we then
behave like all other platforms too and don't need extra patches which
are hard to get upstream anyway because we are not a mainstream
architecture.
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: stable@vger.kernel.org # v3.13
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The attached change removes the unused and experimental
CONFIG_PARISC_TMPALIAS code. It doesn't work and I don't believe it will
ever be used.
Signed-off-by: John David Anglin <dave.anglin@bell.net>
Signed-off-by: Helge Deller <deller@gmx.de>
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built-in ROM fonts
STI console is used on parisc and m68k HP machines. This patch partly reverts
my previous commit and as such restores the fonts for the m68k machines.
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: stable@vger.kernel.org # v3.13
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar:
"Two oneliner 'perf bench' tooling fixes"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf bench: Fix NULL pointer dereference in "perf bench all"
perf bench numa: Make no args mean 'run all tests'
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"Only two patches this time, one to fix ethernet probe order on at91
(better fix with proper device aliasing will be done for 3.15, this is
stop-gap), and one update to MAINTAINERS due to Freescale moving their
repo to kernel.org"
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: at91: fix network interface ordering for sama5d36
MAINTAINERS: update IMX kernel git tree
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Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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The definition of struct altera_spi_platform_data does not exist in current
tree. So remove the code to get platform_data which is never used.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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of_mpc8xxx_spi_probe() allocates memory for pinfo but the memory is not freed
anywhere. of_mpc8xxx_spi_probe() is called in .probe() and pinfo should be
freed in .remove(), so convert kzalloc to devm_kzalloc to fix the memory leak.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Fix printk format warning by using %p extension 'ad' for dma_addr_t.
drivers/spi/spi-atmel.c:1228:3: warning: format '%x' expects argument of type 'unsigned int', but argument 7 has type 'dma_addr_t' [-Wformat]
drivers/spi/spi-atmel.c:1228:3: warning: format '%x' expects argument of type 'unsigned int', but argument 9 has type 'dma_addr_t' [-Wformat]
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Pull drm fixes from Dave Airlie:
"Some final few intel fixes, all regressions, all stable cc, and one
exynos oops fixer.
The biggest is probably the intel display error irqs one, but it seems
to fix a few crashes on startup, and one use after free in drm core"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/exynos: Fix (more) freeing issues in exynos_drm_drv.c
drm/i915: Disable stolen memory when DMAR is active
Revert "drm/i915: don't touch the VDD when disabling the panel"
drm: Fix use-after-free in the shadow-attache exit code
drm/i915: Don't enable display error interrupts from the start
drm/i915: Fix scanline counter fixup on BDW
drm/i915: Add a workaround for HSW scanline counter weirdness
drm/i915: Fix PSR programming
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Commit 7982e90c3a57 ("block: fix q->flush_rq NULL pointer crash on
dm-mpath flush") moved an allocation to blk_init_allocated_queue(), but
neglected to free that allocation on the error paths that follow.
Signed-off-by: Dave Jones <davej@fedoraproject.org>
Acked-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Srikar Dronamraju reports that commit b0c29f79ecea ("futexes: Avoid
taking the hb->lock if there's nothing to wake up") causes java threads
getting stuck on futexes when runing specjbb on a power7 numa box.
The cause appears to be that the powerpc spinlocks aren't using the same
ticket lock model that we use on x86 (and other) architectures, which in
turn result in the "spin_is_locked()" test in hb_waiters_pending()
occasionally reporting an unlocked spinlock even when there are pending
waiters.
So this reinstates Davidlohr Bueso's original explicit waiter counting
code, which I had convinced Davidlohr to drop in favor of figuring out
the pending waiters by just using the existing state of the spinlock and
the wait queue.
Reported-and-tested-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Original-code-by: Davidlohr Bueso <davidlohr@hp.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull trace fix from Steven Rostedt:
"Vaibhav Nagarnaik discovered that since 3.10 a clean-up patch made the
array index in the trace event format bogus.
He supplied an elegant solution that uses __stringify() and also
removes the need for the event_storage and event_storage_mutex and
also cuts off a few K of overhead from the trace events"
* tag 'trace-fixes-v3.14-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracing: Fix array size mismatch in format string
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Add remove_linear_migration_ptes_from_nonlinear(), to fix an interesting
little include/linux/swapops.h:131 BUG_ON(!PageLocked) found by trinity:
indicating that remove_migration_ptes() failed to find one of the
migration entries that was temporarily inserted.
The problem comes from remap_file_pages()'s switch from vma_interval_tree
(good for inserting the migration entry) to i_mmap_nonlinear list (no good
for locating it again); but can only be a problem if the remap_file_pages()
range does not cover the whole of the vma (zap_pte() clears the range).
remove_migration_ptes() needs a file_nonlinear method to go down the
i_mmap_nonlinear list, applying linear location to look for migration
entries in those vmas too, just in case there was this race.
The file_nonlinear method does need rmap_walk_control.arg to do this;
but it never needed vma passed in - vma comes from its own iteration.
Reported-and-tested-by: Dave Jones <davej@redhat.com>
Reported-and-tested-by: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jesse/openvswitch
Jesse Gross says:
====================
Open vSwitch
Four small fixes for net/3.14. I realize that these are late in the
cycle - just got back from vacation.
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Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit 812e44dd1829 ("ip6mr: advertise new mfc entries via rtnl") reuses the
function ip6mr_fill_mroute() to notify mfc events.
But this function was used only for dump and thus was always setting the
flag NLM_F_MULTI, which is wrong in case of a single notification.
Libraries like libnl will wait forever for NLMSG_DONE.
CC: Thomas Graf <tgraf@suug.ch>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Acked-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit 8cd3ac9f9b7b ("ipmr: advertise new mfc entries via rtnl") reuses the
function ipmr_fill_mroute() to notify mfc events.
But this function was used only for dump and thus was always setting the
flag NLM_F_MULTI, which is wrong in case of a single notification.
Libraries like libnl will wait forever for NLMSG_DONE.
CC: Thomas Graf <tgraf@suug.ch>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Acked-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit 3ff661c38c84 ("net: rtnetlink notify events for FDB NTF_SELF adds and
deletes") reuses the function nlmsg_populate_fdb_fill() to notify fdb events.
But this function was used only for dump and thus was always setting the
flag NLM_F_MULTI, which is wrong in case of a single notification.
Libraries like libnl will wait forever for NLMSG_DONE.
CC: Thomas Graf <tgraf@suug.ch>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Acked-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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While it is true that getnstimeofday() uses about 40 cycles if TSC
is available, it can use 1600 cycles if hpet is the clocksource.
Switch to get_jiffies_64(), as this is more than enough, and
go back to 60 seconds periods.
Fixes: 8c27bd75f04f ("tcp: syncookies: reduce cookie lifetime to 128 seconds")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Florian Westphal <fw@strlen.de>
Acked-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The documentation for how to use netlink mmap interface is incorrect.
The calls to setsockopt() require an additional argument.
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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