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Without multi-touch slots allocated, ABS_MT_SLOT events will be lost by
input_handle_abs_event.
Implementation is based on uinput_create_device.
Signed-off-by: Mathias Crombez <mathias.crombez@faurecia.com>
Co-developed-by: Vasyl Vavrychuk <vasyl.vavrychuk@opensynergy.com>
Signed-off-by: Vasyl Vavrychuk <vasyl.vavrychuk@opensynergy.com>
Link: https://lore.kernel.org/r/20210115002623.8576-1-vasyl.vavrychuk@opensynergy.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
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fix the typo 'there is are' to 'there are'.
Signed-off-by: Xianting Tian <xianting_tian@126.com>
Link: https://lore.kernel.org/r/1612615619-8128-1-git-send-email-xianting_tian@126.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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It's legal to have 'offset + len' equal to
sizeof(struct virtio_net_config), since 'ndev->config' is a
'struct virtio_net_config', so we can safely copy its content under
this condition.
Fixes: 1a86b377aa21 ("vdpa/mlx5: Add VDPA driver for supported mlx5 devices")
Cc: stable@vger.kernel.org
Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Link: https://lore.kernel.org/r/20210208161741.104939-1-sgarzare@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Acked-by: Eli Cohen <elic@nvidia.com>
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In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning
by explicitly adding a goto statement instead of letting the code fall
through to the next case.
Link: https://github.com/KSPP/linux/issues/115
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Link: https://lore.kernel.org/r/cb9b9534572bc476f4fb7b49a73dc8646b780c84.1605896060.git.gustavoars@kernel.org
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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In 'commit 29cc309d8bf1 ("HID: hid-multitouch: forward MSC_TIMESTAMP")',
EV_MSC/MSC_TIMESTAMP is added to each before EV_SYN event. EV_MSC is
configured as INPUT_PASS_TO_ALL.
In case of a touch device which report MSC_TIMESTAMP:
BE pass EV_MSC/MSC_TIMESTAMP to FE on receiving event from evdev.
FE pass EV_MSC/MSC_TIMESTAMP back to BE.
BE writes EV_MSC/MSC_TIMESTAMP to evdev due to INPUT_PASS_TO_ALL.
BE receives extra EV_MSC/MSC_TIMESTAMP and pass to FE.
>>> Each new frame becomes larger and larger.
Disable EV_MSC/MSC_TIMESTAMP forwarding for MT.
V2: Rebase.
Signed-off-by: Colin Xu <colin.xu@intel.com>
Link: https://lore.kernel.org/r/20210202001923.6227-1-colin.xu@intel.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
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module parameter 'virtblk_queue_depth' was firstly introduced for
testing/benchmarking purposes described in commit fc4324b4597c
("virtio-blk: base queue-depth on virtqueue ringsize or module param").
And currently 'virtblk_queue_depth' is used as a saved value for the
first probed device.
Since we have different virtio-blk devices which have different
capabilities, it requires that we support per-device queue depth instead
of per-module. So defaultly use vq free elements if module parameter
'virtblk_queue_depth' is not set.
Signed-off-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/1611307306-71067-1-git-send-email-joseph.qi@linux.alibaba.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
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There's no guarantee that the device can disable a specific virtqueue
through set_vq_ready(). One example is the modern virtio-pci
device. So this patch removes the warning.
Signed-off-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20210104065503.199631-19-jasowang@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Signed-off-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20210104065503.199631-17-jasowang@redhat.com
Including a bugfix:
virtio: don't prompt CONFIG_VIRTIO_PCI_MODERN
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Anders Roxell <anders.roxell@linaro.org>
Cc: Guenter Roeck <linux@roeck-us.net>
Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org>
Fixes: 86b87c9d858b6 ("virtio-pci: introduce modern device module")
Signed-off-by: Jason Wang <jasowang@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20210223061905.422659-2-jasowang@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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To ease the split, map_capability() was renamed to
vp_modern_map_capability(). While at it, add the comments for the
arguments and switch to use virtio_pci_modern_device as the first
parameter.
Signed-off-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20210104065503.199631-16-jasowang@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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This patch introduces help to get notification offset of modern device.
Signed-off-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20210104065503.199631-15-jasowang@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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This patch introduces helper for getting queue num of modern device.
Signed-off-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20210104065503.199631-14-jasowang@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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This patch introduces helper for setting/getting queue size for modern
device.
Signed-off-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20210104065503.199631-13-jasowang@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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This patch introduces a helper to set/get queue_enable for modern device.
Signed-off-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20210104065503.199631-12-jasowang@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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This patch introduce a helper to set virtqueue address for modern address.
Signed-off-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20210104065503.199631-11-jasowang@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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This patch introduces a helper to set virtqueue MSI vector.
Signed-off-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20210104065503.199631-10-jasowang@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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This patch introduces vp_modern_generation() to get device generation.
Signed-off-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20210104065503.199631-9-jasowang@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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This patch introduces helpers for setting and getting features.
Signed-off-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20210104065503.199631-8-jasowang@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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This patch introduces helpers to allow set and get device status.
Signed-off-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20210104065503.199631-7-jasowang@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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This patch introduces vp_modern_config_vector() for setting config
vector.
Signed-off-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20210104065503.199631-6-jasowang@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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This patch introduces vp_modern_remove() doing device resources
cleanup to make it can be used.
Signed-off-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20210104065503.199631-5-jasowang@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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This patch factors out the modern device initialization logic into a
helper. Note that it still depends on the caller to enable pci device
which allows the caller to use e.g devres.
Signed-off-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20210104065503.199631-4-jasowang@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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This patch splits out the virtio-pci modern device only attributes
into another structure. While at it, a dedicated probe method for
modern only attributes is introduced. This may help for split the
logic into a dedicated module.
Signed-off-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20210104065503.199631-3-jasowang@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Instead of accessing iomem via struct virito_pci_device directly,
tweak to call the io accessors through the iomem structure. This will
ease the splitting of modern virtio device logic.
Signed-off-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20210104065503.199631-2-jasowang@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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The size of 'struct vhost_scsi' is order-10 (~2.3MB). It may take long time
delay by kzalloc() to compact memory pages by retrying multiple times when
there is a lack of high-order pages. As a result, there is latency to
create a VM (with vhost-scsi) or to hotadd vhost-scsi-based storage.
The prior commit 595cb754983d ("vhost/scsi: use vmalloc for order-10
allocation") prefers to fallback only when really needed, while this patch
allocates with kvzalloc() with __GFP_NORETRY implicitly set to avoid
retrying memory pages compact for multiple times.
The __GFP_NORETRY is implicitly set if the size to allocate is more than
PAGE_SZIE and when __GFP_RETRY_MAYFAIL is not explicitly set.
Cc: Aruna Ramakrishna <aruna.ramakrishna@oracle.com>
Cc: Joe Jin <joe.jin@oracle.com>
Signed-off-by: Dongli Zhang <dongli.zhang@oracle.com>
Link: https://lore.kernel.org/r/20210123080853.4214-1-dongli.zhang@oracle.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
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Enable user to create vdpasim net simulate devices.
Show vdpa management device that supports creating, deleting vdpa devices.
$ vdpa mgmtdev show
vdpasim_net:
supported_classes
net
$ vdpa mgmtdev show -jp
{
"show": {
"vdpasim_net": {
"supported_classes": {
"net"
}
}
}
Create a vdpa device of type networking named as "foo2" from
the management device vdpasim:
$ vdpa dev add mgmtdev vdpasim_net name foo2
Show the newly created vdpa device by its name:
$ vdpa dev show foo2
foo2: type network mgmtdev vdpasim_net vendor_id 0 max_vqs 2 max_vq_size 256
$ vdpa dev show foo2 -jp
{
"dev": {
"foo2": {
"type": "network",
"mgmtdev": "vdpasim_net",
"vendor_id": 0,
"max_vqs": 2,
"max_vq_size": 256
}
}
}
Delete the vdpa device after its use:
$ vdpa dev del foo2
Signed-off-by: Parav Pandit <parav@nvidia.com>
Reviewed-by: Eli Cohen <elic@nvidia.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20210105103203.82508-7-parav@nvidia.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Enable user to query vdpa device information.
$ vdpa dev add mgmtdev vdpasim_net name foo2
Show the newly created vdpa device by its name:
$ vdpa dev show foo2
foo2: type network mgmtdev vdpasim_net vendor_id 0 max_vqs 2 max_vq_size 256
$ vdpa dev show foo2 -jp
{
"dev": {
"foo2": {
"type": "network",
"mgmtdev": "vdpasim_net",
"vendor_id": 0,
"max_vqs": 2,
"max_vq_size": 256
}
}
}
Signed-off-by: Parav Pandit <parav@nvidia.com>
Reviewed-by: Eli Cohen <elic@nvidia.com>
Reviewed-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20210105103203.82508-6-parav@nvidia.com
Including a memory leak fix:
Link: https://lore.kernel.org/r/20210217060614.59561-1-parav@nvidia.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Add the ability to add and delete a vdpa device.
Examples:
Create a vdpa device of type network named "foo2" from
the management device vdpasim:
$ vdpa dev add mgmtdev vdpasim_net name foo2
Delete the vdpa device after its use:
$ vdpa dev del foo2
Signed-off-by: Parav Pandit <parav@nvidia.com>
Reviewed-by: Eli Cohen <elic@nvidia.com>
Reviewed-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20210105103203.82508-5-parav@nvidia.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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To add one or more VDPA devices, define a management device which
allows adding or removing vdpa device. A management device defines
set of callbacks to manage vdpa devices.
To begin with, it defines add and remove callbacks through which a user
defined vdpa device can be added or removed.
A unique management device is identified by its unique handle identified
by management device name and optionally the bus name.
Hence, introduce routine through which driver can register a
management device and its callback operations for adding and remove
a vdpa device.
Introduce vdpa netlink socket family so that user can query management
device and its attributes.
Example of show vdpa management device which allows creating vdpa device of
networking class (device id = 0x1) of virtio specification 1.1
section 5.1.1.
$ vdpa mgmtdev show
vdpasim_net:
supported_classes:
net
Example of showing vdpa management device in JSON format.
$ vdpa mgmtdev show -jp
{
"show": {
"vdpasim_net": {
"supported_classes": [ "net" ]
}
}
}
Signed-off-by: Parav Pandit <parav@nvidia.com>
Reviewed-by: Eli Cohen <elic@nvidia.com>
Reviewed-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20210105103203.82508-4-parav@nvidia.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Including a bugfix:
vpda: correctly size vdpa_nl_policy
We need to ensure last entry of vdpa_nl_policy[]
is zero, otherwise out-of-bounds access is hurting us.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Cc: Parav Pandit <parav@nvidia.com>
Cc: Eli Cohen <elic@nvidia.com>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Link: https://lore.kernel.org/r/20210210134911.4119555-1-eric.dumazet@gmail.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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In a subsequent patch, when user initiated command creates a vdpa device,
the user chooses the name of the vdpa device.
To support it, extend the device allocation API to consider this name
specified by the caller driver.
Signed-off-by: Parav Pandit <parav@nvidia.com>
Reviewed-by: Eli Cohen <elic@nvidia.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20210105103203.82508-3-parav@nvidia.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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MAC address array is used only in vdpa_sim_net.c.
Hence, keep it static.
Signed-off-by: Parav Pandit <parav@nvidia.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20210105103203.82508-2-parav@nvidia.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
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Fix the following coccicheck warnings:
./drivers/virtio/virtio_mem.c:2580:2-25: WARNING: Assignment
of 0/1 to bool variable.
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Zhong <abaci-bugfix@linux.alibaba.com>
Link: https://lore.kernel.org/r/1611129031-82818-1-git-send-email-abaci-bugfix@linux.alibaba.com
Signed-off-by: Tian Tao <tiantao6@hisilicon.com>
Acked-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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The linux-mips mailing list now lives at kernel.org. Update all references
in the kernel tree.
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Reviewed-by: Huacai Chen <chenhuacai@kernel.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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device_initcall() is too late for bcm63xx.
We need to call of_clk_init() earlier in order to properly boot.
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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LKP caught another bunch of orphaned instrumentation symbols [0]:
mipsel-linux-ld: warning: orphan section `.data.$LPBX1' from
`init/main.o' being placed in section `.data.$LPBX1'
mipsel-linux-ld: warning: orphan section `.data.$LPBX0' from
`init/main.o' being placed in section `.data.$LPBX0'
mipsel-linux-ld: warning: orphan section `.data.$LPBX1' from
`init/do_mounts.o' being placed in section `.data.$LPBX1'
mipsel-linux-ld: warning: orphan section `.data.$LPBX0' from
`init/do_mounts.o' being placed in section `.data.$LPBX0'
mipsel-linux-ld: warning: orphan section `.data.$LPBX1' from
`init/do_mounts_initrd.o' being placed in section `.data.$LPBX1'
mipsel-linux-ld: warning: orphan section `.data.$LPBX0' from
`init/do_mounts_initrd.o' being placed in section `.data.$LPBX0'
mipsel-linux-ld: warning: orphan section `.data.$LPBX1' from
`init/initramfs.o' being placed in section `.data.$LPBX1'
mipsel-linux-ld: warning: orphan section `.data.$LPBX0' from
`init/initramfs.o' being placed in section `.data.$LPBX0'
mipsel-linux-ld: warning: orphan section `.data.$LPBX1' from
`init/calibrate.o' being placed in section `.data.$LPBX1'
mipsel-linux-ld: warning: orphan section `.data.$LPBX0' from
`init/calibrate.o' being placed in section `.data.$LPBX0'
[...]
Soften the wildcard to .data.$L* to grab these ones into .data too.
[0] https://lore.kernel.org/lkml/202102231519.lWPLPveV-lkp@intel.com
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Alexander Lobakin <alobakin@pm.me>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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- Trust Panora support improvements from Cristian Klein
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- tilt support on Sony Guitar Hero devices from Sanjay Govind
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- Playstation DualSense support from Roderick Colenbrander
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Adjust whitespace for fixmap_pXd() functions returning pointers for
consistency with the kernel coding style.
Signed-off-by: Zhiyuan Dai <daizhiyuan@phytium.com.cn>
Link: https://lore.kernel.org/r/1613958231-5474-1-git-send-email-daizhiyuan@phytium.com.cn
Signed-off-by: Will Deacon <will@kernel.org>
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As stated in linux/errno.h, ENOTSUPP should never be seen by user programs.
When we set up uprobe with 32-bit perf and arm64 kernel, we would see the
following vague error without useful hint.
The sys_perf_event_open() syscall returned with 524 (INTERNAL ERROR:
strerror_r(524, [buf], 128)=22)
Use EOPNOTSUPP instead to indicate such cases.
Signed-off-by: He Zhe <zhe.he@windriver.com>
Link: https://lore.kernel.org/r/20210223082535.48730-1-zhe.he@windriver.com
Cc: <stable@vger.kernel.org>
Signed-off-by: Will Deacon <will@kernel.org>
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- hid-multitouch devices should be put into high-latency mode when
suspended in order to be in line with Windows Precision Touchpad
guidelines. From Blaž Hrastnik.
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- support for "Unified Battery (1004) feature" from Filipe Laíns
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- power management improvements for intel-ish driver from Zhang Lixu
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- ACPI and OF support made more generic / decoupled. From Douglas Anderson
- support for Goodix devices from Douglas Anderson
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- User experience improvements for hid-google from Nicolas Boichat
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- HID documentation fixes from Randy Dunlap
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- KEY_RFKILL support for Chicony devices from Jian-Hong Pan
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- improved handling of generic HID keyboard (no more splitting system
and consumer controls away), in order to make it easier for userspace
to figure out the details of the device easier. From Dmitry Torokhov.
- report data sanitization fixes from Will McVicker and Randy Dunlap
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Trivial change to clarify code in smb2_is_network_name_deleted
Suggested-by: Pavel Shilovsky <pshilov@microsoft.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
Reviewed-by: Shyam Prasad N <sprasad@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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When server returns error STATUS_NETWORK_NAME_DELETED, TCON
must be marked for reconnect. So, subsequent IO does the tree
connect again.
Signed-off-by: Rohith Surabattula <rohiths@microsoft.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
Reviewed-by: Shyam Prasad N <sprasad@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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Prepare input updates for 5.12 merge window.
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