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Saeed Mahameed says:
====================
mlx5 tx timeout watchdog fixes
This patch set provides two trivial fixes for the tx timeout series lately
applied into net 4.7.
From Daniel, detect stuck queues due to BQL
From Mohamad, fix tx timeout watchdog false alarm
Hopefully those two fixes will make it to -stable, assuming
3947ca185999 ('net/mlx5e: Implement ndo_tx_timeout callback') was also backported to -stable.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Start all tx queues (including inactive ones) when opening the netdev.
Stop all tx queues (including inactive ones) when closing the netdev.
This is a workaround for the tx timeout watchdog false alarm issue in
which the netdev watchdog is polling all the tx queues which may include
inactive queues and thus once lowering the real tx queues number
(ethtool -L) it will generate tx timeout watchdog false alarms.
Fixes: 3947ca185999 ('net/mlx5e: Implement ndo_tx_timeout callback')
Signed-off-by: Mohamad Haj Yahia <mohamad@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Change netif_tx_queue_stopped to netif_xmit_stopped. This will show
when queues are stopped due to byte queue limits.
Fixes: 3947ca185999 ('net/mlx5e: Implement ndo_tx_timeout callback')
Signed-off-by: Daniel Jurgens <danielj@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Update vrf documentation for changes made to 4.4 - 4.8 kernels
and iproute2 support for vrf keyword.
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The LIRC_CAN_REC() returns a boolean "flag & LIRC_CAN_REC_MASK"
to check whether the device can receive data.
Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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When opening or closing a lirc character device, the framework
provides to the user the possibility to keep track of opening or
closing of the device by calling two functions:
- set_use_inc() when opening the device
- set_use_dec() when closing the device
if those are not set by the lirc user, the system segfaults.
Check the pointer value before calling the above functions.
Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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If ioctl is called, it cannot be a case of invalid system call
number (ENOSYS), that is a ENOTTY case which means that the
device doesn't support that specific ioctl command.
So, replace ENOSYS with ENOTTY.
Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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When comparing a variable with a constant, the comparison should
start from the variable and not from the constant. It's also
written in the human DNA.
Swap the terms of comparisons whenever the constant comes first
and fix the following checkpatch warning:
WARNING: Comparisons should place the constant on the right side of the test
Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The three if statements check the same thing, merge them in only
one statement.
Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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There are two if ... else which check the same thing in different
part of the code, they can be merged in a single check.
Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The whole function is inside an 'if' statement
("if (ir->d.add_to_buf)").
Check the opposite of that statement at the beginning and exit,
this way we can have one level less of indentation.
Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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It was set based on CONFIG_64BIT, that is available only when using
Kconfig, which we're working towards but not to the point of having this
CONFIG variable set, so synthesize it from available compiler defined
defines, __SIZEOF_LONG__ or, lacking that, __WORDSIZE.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-og5fmkr17856lhupacihwxvb@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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... use "do .. while" instead.
Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The code can be rearranged so that some goto paths can be removed
Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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This patch mutes also all the checkpatch warnings related to
printk.
Reword all the printouts so that the string doesn't need to be
split, which fixes the following checkpatch warning:
WARNING: quoted string split across lines
Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Transmitters don't necessarily need to have a FIFO managed buffer
for their transfers.
When registering the driver, before allocating the buffer, check
whether the device is a transmitter or receiver. Allocate the
buffer only for receivers.
Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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During the driver registration, move the buffer allocation on a
separate function.
Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The newly added FCP support in the vsp1 driver causes a link error
when CONFIG_RENESAS_FCP=m, since it's not reachable by built-in code:
drivers/media/built-in.o: In function `vsp1_remove':
:(.text+0xdeca0): undefined reference to `rcar_fcp_put'
drivers/media/built-in.o: In function `vsp1_probe':
:(.text+0xdef44): undefined reference to `rcar_fcp_get'
We already have a conditional dependency on FCP that requires
it for ARM64, so for all others we just have to prevent setting
RENESAS_VSP1=y when RENESAS_FCP=m by extending the FCP dependency.
Fixes: 94fcdf829793 ("[media] v4l: vsp1: Add FCP support")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Building without CONFIG_PM results in a harmless warning from
slightly incorrect #ifdef guards:
drivers/media/platform/vsp1/vsp1_drv.c:525:12: error: 'vsp1_pm_runtime_resume' defined but not used [-Werror=unused-function]
drivers/media/platform/vsp1/vsp1_drv.c:516:12: error: 'vsp1_pm_runtime_suspend' defined but not used [-Werror=unused-function]
This removes the existing #ifdef and instead marks all four
PM functions as __maybe_unused.
Fixes: 1e6af546ee66 ("[media] v4l: vsp1: Implement runtime PM support")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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* topic/vsp1: (36 commits)
[media] v4l: vsp1: wpf: Add flipping support
[media] v4l: vsp1: rwpf: Support runtime modification of controls
[media] v4l: vsp1: Simplify alpha propagation
[media] v4l: vsp1: clu: Support runtime modification of controls
[media] v4l: vsp1: lut: Support runtime modification of controls
[media] v4l: vsp1: Support runtime modification of controls
[media] v4l: vsp1: Add Cubic Look Up Table (CLU) support
[media] v4l: vsp1: lut: Expose configuration through a control
[media] v4l: vsp1: lut: Initialize the mutex
[media] v4l: vsp1: dl: Don't free fragments with interrupts disabled
[media] v4l: vsp1: Set entities functions
[media] v4l: vsp1: Don't create LIF entity when the userspace API is enabled
[media] v4l: vsp1: Don't register media device when userspace API is disabled
[media] v4l: vsp1: Base link creation on availability of entities
[media] media: Add video statistics computation functions
[media] media: Add video processing entity functions
[media] v4l: vsp1: sru: Fix intensity control ID
[media] v4l: vsp1: Stop the pipeline upon the first STREAMOFF
[media] v4l: vsp1: Constify operation structures
[media] v4l: vsp1: pipe: Fix typo in comment
...
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Now that the frame rate can be properly set, this commit adds support
for S_PARM and G_PARM.
Signed-off-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Instead of using two tables to estimate the temporal decimation
factor, use a formula. This allows to get the closest fps, which
sounds better than the current tables.
Also, the current code doesn't store the real framerate.
This patch fixes the above issues.
[Ezequiel:
- introduce a TW686X_MAX_FPS macro for max_fps.
- use hweight_long instead of open coding the set bits count.]
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Signed-off-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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For 4K LBA or very large disks, atari_partition can easily get tricked
into thinking it has found an Atari partition table. Depending on the
data in the disk, it ends up creating partitions with awkward lengths.
We saw logs like this while playing with fio.
[5.625867] nvme2n1: AHDI p2
[5.625872] nvme2n1: p2 size 2910030523 extends beyond EOD, truncated
People has had issues with misinterpreted AHDI partition tables for a long
time, see this BSD thread from 1995, for example.
https://mail-index.netbsd.org/port-atari/1995/11/19/0001.html
Since the atari partition, according to the spec, doesn't even support
sector sizes with more than 512, a quick sanity check is reasonable to
just bail out early, before even attempting to read sector 0.
Signed-off-by: Gabriel Krisman Bertazi <krisman@linux.vnet.ibm.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
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When CONFIG_NUMA is enabled and node 0 is memoryless, the system
crashes because nvme_probe() sets the device->numa_node to 0 by
set_dev_node(&pdev->dev, 0), so it tries to allocate memory from node 0.
To avoid the crash, we should change the 0 to first_memory_node.
Signed-off-by: Masayoshi Mizuma <m.mizuma@jp.fujitsu.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
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My static checker complains that if adap->props.num_frontends is 0 then
"ret" is uninitialized. I don't think that can happen. But "ret" is
always zero here so we can just remove the condition.
This extra check was added in commit 0d3ab8410dcb ('[media] dvb core:
must check dvb_create_media_graph()').
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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"initialize"
trivial fix to spelling mistake in dev_err message
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Abylay Ospan <aospan@netup.ru>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Add the USB ID for Terratec Cinergy S2 Rev.3 (0ccd:0102).
Curiously dvb-usb-ids included already the USB ID for TERRATEC_CINERGY_S2_R3 even if the device was not supported.
Reported-by: Christian Knippel <namerp@googlemail.com>
Signed-off-by: Olli Salonen <olli.salonen@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Tuning a card with Sony ASCOT2E produces the following error:
kernel: i2c i2c-9: wr reg=0006: len=11 is too big!
MAX_WRITE_REGSIZE is defined as 10, buf[MAX_WRITE_REGSIZE + 1] buffer is
used in ascot2e_write_regs().
The problem is that exactly 10 bytes are written in ascot2e_set_params():
/* Set BW_OFFSET (0x0F) value from parameter table */
data[9] = ascot2e_sett[tv_system].bw_offset;
ascot2e_write_regs(priv, 0x06, data, 10);
The test in write_regs is as follows:
if (len + 1 >= sizeof(buf))
10 + 1 = 11 and that would be exactly the size of buf. Since 10 bytes +
buf[0] = reg would seem to fit into buf[], this shouldn't be an error.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Those fixes came from patchs from Andrea for the old DocBook
documentation.
As we're removing it on Kernel 4.8, it doesn't make sense to
apply the original patches, but, as the typos were ported
to ReST, let's fix the issues there.
Suggested-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Fixes the following sparse warning:
drivers/staging/media/pulse8-cec/pulse8-cec.c:427:27: warning:
symbol 'pulse8_cec_adap_ops' was not declared. Should it be static?
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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It is useful to have an index with all the book contents somewhere,
as it makes easier to seek for something. So, increase maxdepth
to 5 for the main index at the beginning of the book.
While here, remove the genindex content, as it is bogus.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Documentation/media/uapi/cec/cec-ioc-dqevent.rst:43: WARNING: undefined label: cec_event_state_change (if the link has no caption the label must precede a section header)
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Lots of fixups relating to references.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Fix those warnings:
Documentation/output/videodev2.h.rst:6: WARNING: undefined label: vidioc_unsubscribe_event (if the link has no caption the label must precede a section header)
Documentation/media/uapi/v4l/dev-overlay.rst:248: WARNING: Title underline too short.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The move of calc_load_migrate() from CPU_DEAD to CPU_DYING did not take into
account that the function is now called from a thread running on the outgoing
CPU. As a result a cpu unplug leakes a load of 1 into the global load
accounting mechanism.
Fix it by adjusting for the currently running thread which calls
calc_load_migrate().
Reported-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Vaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com>
Cc: rt@linutronix.de
Cc: shreyas@linux.vnet.ibm.com
Fixes: e9cd8fa4fcfd: ("sched/migration: Move calc_load_migrate() into CPU_DYING")
Link: http://lkml.kernel.org/r/alpine.DEB.2.11.1607121744350.4083@nanos
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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This patch touches on places where it shouldn't: image
files and code examples. Also, it doesn't fix all array
occurrences.
So, let's revert it.
This reverts commit ffbab694ede33c294e5864a5e0bf4d1474446a71.
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The timestamp field was split into rx_ts and tx_ts, and the rx/tx_status
fields were moved. Update the doc accordingly.
Also fix a bug that stated that a non-zero tx_status field signaled an
error. That's not true, since TX_STATUS_OK is 1, not 0.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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There is a error message within devm_ioremap_resource
already, so remove the dev_err call to avoid redundant
error message.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Reviewed-by: Tiffany Lin <tiffany.lin@mediatek.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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In case of error, the function devm_clk_get() returns ERR_PTR()
and not returns NULL. The NULL test in the return value check
should be replaced with IS_ERR().
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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There is a error message within devm_ioremap_resource
already, so remove the dev_err call to avoid redundant
error message.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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In case of error, the function devm_clk_get() returns ERR_PTR()
and not returns NULL. The NULL test in the return value check
should be replaced with IS_ERR().
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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When transmitting a message and waiting for a reply it would be good
to know the time between when the message was transmitted and when
the reply arrived. With only one timestamp field it was set to when
the reply arrived and the original transmit time was overwritten.
Just taking the timestamp in userspace right before CEC_TRANSMIT is
called is not reliable, since the actual transmit can be delayed if
the CEC bus is busy. Only the driver can fill this in accurately.
So split up the ts field into an rx_ts and a tx_ts. Also move the
status fields to after the 'reply' field: they were placed in a
strange position and make much more sense when grouped with the
other status-related fields.
This patch also makes sure that the timestamp is taken as soon as
possible.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Check (and warn) if the msg->len is too long or if it is 0.
Should never happen, but just in case...
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab:
"Two regression fixes:
- a regression when handling VIDIOC_CROPCAP at the media core;
- a regression at adv7604 that was ignoring pad number in subdev ops"
* tag 'media/v4.7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
[media] adv7604: Don't ignore pad number in subdev DV timings pad operations
[media] v4l2-ioctl: fix stupid mistake in cropcap condition
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The DW2102 DVB-S/S2 driver uses the info() logging function from
dvb-usb.h. This function already appends a newline to the provided log
message, causing the dmesg output from DW2102 to include blank lines.
Fix this by removing the newline in the calls to info().
Signed-off-by: Jonathan McDowell <noodles@earth.li>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Use the same code structure when determining preferred consoles for
Linux running as KVM guest as with Linux running in LPAR and z/VM
guest:
- Extend the console_mode variable to cover vt220 and hvc consoles
- Determine sensible console defaults in conmode_default()
- Remove KVM-special handling in set_preferred_console()
Ensure that the sclp line mode console is also registered when the
vt220 console was selected to not change existing behavior that
someone might be relying on.
As an externally visible change, KVM guest users can now select
the 3270 or 3215 console devices using the conmode= kernel parameter,
provided that support for the corresponding driver was compiled into
the kernel.
Signed-off-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Signed-off-by: Jing Liu <liujbjl@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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__tlb_flush_asce() should never be used if multiple asce belong to a mm.
As this function changes mm logic determining if local or global tlb
flushes will be neded, we might end up flushing only the gmap asce on all
CPUs and a follow up mm asce flushes will only flush on the local CPU,
although that asce ran on multiple CPUs.
The missing tlb flushes will provoke strange faults in user space and even
low address protections in user space, crashing the kernel.
Fixes: 1b948d6caec4 ("s390/mm,tlb: optimize TLB flushing for zEC12")
Cc: stable@vger.kernel.org # 3.15+
Reported-by: Sascha Silbe <silbe@linux.vnet.ibm.com>
Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Increment the mgmt revision due to the recently added new
reason code for the Disconnected event.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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