The HVS global state functions return an error pointer, but in most
cases we check if it's NULL, possibly resulting in an invalid pointer
dereference.
Fixes: 9ec03d7f1e ("drm/vc4: kms: Wait on previous FIFO users before a commit")
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Reviewed-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Tested-by: Jian-Hong Pan <jhp@endlessos.org>
Link: https://lore.kernel.org/r/20211117094527.146275-3-maxime@cerno.tech
Several DRM/KMS atomic commits can run in parallel if they affect
different CRTC. These commits share the global HVS state, so we have
some code to make sure we run commits in sequence. This synchronization
code is one of the first thing that runs in vc4_atomic_commit_tail().
Another constraints we have is that we need to make sure the HVS clock
gets a boost during the commit. That code relies on clk_set_min_rate and
will remove the old minimum and set a new one. We also need another,
temporary, minimum for the duration of the commit.
The algorithm is thus to set a temporary minimum, drop the previous
one, do the commit, and finally set the minimum for the current mode.
However, the part that sets the temporary minimum and drops the older
one runs before the commit synchronization code.
Thus, under the proper conditions, we can end up mixing up the minimums
and ending up with the wrong one for our current step.
To avoid it, let's move the clock setup in the protected section.
Fixes: d7d96c00e5 ("drm/vc4: hvs: Boost the core clock during modeset")
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Reviewed-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Tested-by: Jian-Hong Pan <jhp@endlessos.org>
Link: https://lore.kernel.org/r/20211117094527.146275-2-maxime@cerno.tech
kernel test robot reported that RCU stall via printk() flooding is
possible [1] when stress testing.
Link: https://lkml.kernel.org/r/20211129073709.GA18483@xsang-OptiPlex-9020 [1]
Reported-by: kernel test robot <oliver.sang@intel.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
When link modes were initially added in commit 2c76267943
("net/mlx4_en: Use PTYS register to query ethtool settings") and
later updated for the new ethtool API in commit 3d8f7cc78d
("net: mlx4: use new ETHTOOL_G/SSETTINGS API") the only 1/10G non-baseT
link modes configured were 1000baseKX, 10000baseKX4 and 10000baseKR.
It looks like these got picked to represent other modes since nothing
better was available.
Switch to using more specific link modes added in commit 5711a98221
("net: ethtool: add support for 1000BaseX and missing 10G link modes").
Tested with MCX311A-XCAT connected via DAC.
Before:
% sudo ethtool enp3s0
Settings for enp3s0:
Supported ports: [ FIBRE ]
Supported link modes: 1000baseKX/Full
10000baseKR/Full
Supported pause frame use: Symmetric Receive-only
Supports auto-negotiation: No
Supported FEC modes: Not reported
Advertised link modes: 1000baseKX/Full
10000baseKR/Full
Advertised pause frame use: Symmetric
Advertised auto-negotiation: No
Advertised FEC modes: Not reported
Speed: 10000Mb/s
Duplex: Full
Auto-negotiation: off
Port: Direct Attach Copper
PHYAD: 0
Transceiver: internal
Supports Wake-on: d
Wake-on: d
Current message level: 0x00000014 (20)
link ifdown
Link detected: yes
With this change:
% sudo ethtool enp3s0
Settings for enp3s0:
Supported ports: [ FIBRE ]
Supported link modes: 1000baseX/Full
10000baseCR/Full
10000baseSR/Full
Supported pause frame use: Symmetric Receive-only
Supports auto-negotiation: No
Supported FEC modes: Not reported
Advertised link modes: 1000baseX/Full
10000baseCR/Full
10000baseSR/Full
Advertised pause frame use: Symmetric
Advertised auto-negotiation: No
Advertised FEC modes: Not reported
Speed: 10000Mb/s
Duplex: Full
Auto-negotiation: off
Port: Direct Attach Copper
PHYAD: 0
Transceiver: internal
Supports Wake-on: d
Wake-on: d
Current message level: 0x00000014 (20)
link ifdown
Link detected: yes
Tested-by: Michael Stapelberg <michael@stapelberg.ch>
Signed-off-by: Erik Ekman <erik@kryo.se>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In our test device, we're currently freeing skbs in the transmit path
with kfree(), rather than kfree_skb(). This change uses the correct
kfree_skb() instead.
Fixes: ded21b7229 ("mctp: Add test utils")
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jeremy Kerr <jk@codeconstruct.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
When the TLS cipher suite uses CCM mode, including AES CCM and
SM4 CCM, the first byte of the B0 block is flags, and the real
IV starts from the second byte. The XOR operation of the IV and
rec_seq should be skip this byte, that is, add the iv_offset.
Fixes: f295b3ae9f ("net/tls: Add support of AES128-CCM based ciphers")
Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
Cc: Vakul Garg <vakul.garg@nxp.com>
Cc: stable@vger.kernel.org # v5.2+
Signed-off-by: David S. Miller <davem@davemloft.net>
Benjamin Poirier says:
====================
net: mpls: Netlink notification fixes
fix missing or inaccurate route notifications when devices used in
nexthops are deleted.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Following the previous commit, nh_dev can no longer be accessed and
modified concurrently.
Signed-off-by: Benjamin Poirier <bpoirier@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
There are various problems related to netlink notifications for mpls route
changes in response to interfaces being deleted:
* delete interface of only nexthop
DELROUTE notification is missing RTA_OIF attribute
* delete interface of non-last nexthop
NEWROUTE notification is missing entirely
* delete interface of last nexthop
DELROUTE notification is missing nexthop
All of these problems stem from the fact that existing routes are modified
in-place before sending a notification. Restructure mpls_ifdown() to avoid
changing the route in the DELROUTE cases and to create a copy in the
NEWROUTE case.
Fixes: f8efb73c97 ("mpls: multipath route support")
Signed-off-by: Benjamin Poirier <bpoirier@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
On most systems request for IRQ 0 will fail, phylib will print an error message
and fall back to polling. To fix this set the phydev->irq to PHY_POLL if no IRQ
is available.
Fixes: cc89c323a3 ("lan78xx: Use irq_domain for phy interrupt from USB Int. EP")
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Sven Schuchmann <schuchmann@schleissheimer.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This is another branded 8153 device that doesn't work well with LPM:
r8152 2-2.1:1.0 enp0s13f0u2u1: Stop submitting intr, status -71
Disable LPM to resolve the issue.
Signed-off-by: Ole Ernst <olebowle@gmx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This switch family can have up to 8 UTP ports {0..7}. However,
INDIRECT_ACCESS_ADDRESS_PHYNUM_MASK was using 2 bits instead of 3,
dropping the most significant bit during indirect register reads and
writes. Reading or writing ports 4, 5, 6, and 7 registers was actually
manipulating, respectively, ports 0, 1, 2, and 3 registers.
This is not sufficient but necessary to support any variant with more
than 4 UTP ports, like RTL8367S.
rtl8365mb_phy_{read,write} will now returns -EINVAL if phy is greater
than 7.
Fixes: 4af2950c50 ("net: dsa: realtek-smi: add rtl8365mb subdriver for RTL8365MB-VC")
Signed-off-by: Luiz Angelo Daros de Luca <luizluca@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Steffen reported a TCP stream corruption for HTTP requests
served by the apache web-server using a cifs mount-point
and memory mapping the relevant file.
The root cause is quite similar to the one addressed by
commit 20eb4f29b6 ("net: fix sk_page_frag() recursion from
memory reclaim"). Here the nested access to the task page frag
is caused by a page fault on the (mmapped) user-space memory
buffer coming from the cifs file.
The page fault handler performs an smb transaction on a different
socket, inside the same process context. Since sk->sk_allaction
for such socket does not prevent the usage for the task_frag,
the nested allocation modify "under the hood" the page frag
in use by the outer sendmsg call, corrupting the stream.
The overall relevant stack trace looks like the following:
httpd 78268 [001] 3461630.850950: probe:tcp_sendmsg_locked:
ffffffff91461d91 tcp_sendmsg_locked+0x1
ffffffff91462b57 tcp_sendmsg+0x27
ffffffff9139814e sock_sendmsg+0x3e
ffffffffc06dfe1d smb_send_kvec+0x28
[...]
ffffffffc06cfaf8 cifs_readpages+0x213
ffffffff90e83c4b read_pages+0x6b
ffffffff90e83f31 __do_page_cache_readahead+0x1c1
ffffffff90e79e98 filemap_fault+0x788
ffffffff90eb0458 __do_fault+0x38
ffffffff90eb5280 do_fault+0x1a0
ffffffff90eb7c84 __handle_mm_fault+0x4d4
ffffffff90eb8093 handle_mm_fault+0xc3
ffffffff90c74f6d __do_page_fault+0x1ed
ffffffff90c75277 do_page_fault+0x37
ffffffff9160111e page_fault+0x1e
ffffffff9109e7b5 copyin+0x25
ffffffff9109eb40 _copy_from_iter_full+0xe0
ffffffff91462370 tcp_sendmsg_locked+0x5e0
ffffffff91462370 tcp_sendmsg_locked+0x5e0
ffffffff91462b57 tcp_sendmsg+0x27
ffffffff9139815c sock_sendmsg+0x4c
ffffffff913981f7 sock_write_iter+0x97
ffffffff90f2cc56 do_iter_readv_writev+0x156
ffffffff90f2dff0 do_iter_write+0x80
ffffffff90f2e1c3 vfs_writev+0xa3
ffffffff90f2e27c do_writev+0x5c
ffffffff90c042bb do_syscall_64+0x5b
ffffffff916000ad entry_SYSCALL_64_after_hwframe+0x65
The cifs filesystem rightfully sets sk_allocations to GFP_NOFS,
we can avoid the nesting using the sk page frag for allocation
lacking the __GFP_FS flag. Do not define an additional mm-helper
for that, as this is strictly tied to the sk page frag usage.
v1 -> v2:
- use a stricted sk_page_frag() check instead of reordering the
code (Eric)
Reported-by: Steffen Froemer <sfroemer@redhat.com>
Fixes: 5640f76858 ("net: use a per task frag allocator")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
While handling an error during transfer (ex: NACK), it could
happen that the driver has already written data into TXDR
before the transfer get stopped.
This commit add TXDR Flush after end of transfer in case of error to
avoid sending a wrong data on any other slave upon next transfer.
Fixes: aeb068c572 ("i2c: i2c-stm32f7: add driver")
Signed-off-by: Alain Volmat <alain.volmat@foss.st.com>
Reviewed-by: Pierre-Yves MORDRET <pierre-yves.mordret@foss.st.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
The driver assumes that split headers can be enabled/disabled without
stopping/starting the device, so it writes DMA_CHAN_CONTROL from
stmmac_set_features(). However, on my system (IP v5.10a without Split
Header support), simply writing DMA_CHAN_CONTROL when DMA is running
(for example, with the commands below) leads to a TX watchdog timeout.
host$ socat TCP-LISTEN:1024,fork,reuseaddr - &
device$ ethtool -K eth0 tso off
device$ ethtool -K eth0 tso on
device$ dd if=/dev/zero bs=1M count=10 | socat - TCP4:host:1024
<tx watchdog timeout>
Note that since my IP is configured without Split Header support, the
driver always just reads and writes the same value to the
DMA_CHAN_CONTROL register.
I don't have access to any platforms with Split Header support so I
don't know if these writes to the DMA_CHAN_CONTROL while DMA is running
actually work properly on such systems. I could not find anything in
the databook that says that DMA_CHAN_CONTROL should not be written when
the DMA is running.
But on systems without Split Header support, there is in any case no
need to call enable_sph() in stmmac_set_features() at all since SPH can
never be toggled, so we can avoid the watchdog timeout there by skipping
this call.
Fixes: 8c6fc097a2 ("net: stmmac: gmac4+: Add Split Header support")
Signed-off-by: Vincent Whitchurch <vincent.whitchurch@axis.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Trying to remove the fsl-sata module in the PPC64 GNU/Linux
leads to the following warning:
------------[ cut here ]------------
remove_proc_entry: removing non-empty directory 'irq/69',
leaking at least 'fsl-sata[ff0221000.sata]'
WARNING: CPU: 3 PID: 1048 at fs/proc/generic.c:722
.remove_proc_entry+0x20c/0x220
IRQMASK: 0
NIP [c00000000033826c] .remove_proc_entry+0x20c/0x220
LR [c000000000338268] .remove_proc_entry+0x208/0x220
Call Trace:
.remove_proc_entry+0x208/0x220 (unreliable)
.unregister_irq_proc+0x104/0x140
.free_desc+0x44/0xb0
.irq_free_descs+0x9c/0xf0
.irq_dispose_mapping+0x64/0xa0
.sata_fsl_remove+0x58/0xa0 [sata_fsl]
.platform_drv_remove+0x40/0x90
.device_release_driver_internal+0x160/0x2c0
.driver_detach+0x64/0xd0
.bus_remove_driver+0x70/0xf0
.driver_unregister+0x38/0x80
.platform_driver_unregister+0x14/0x30
.fsl_sata_driver_exit+0x18/0xa20 [sata_fsl]
---[ end trace 0ea876d4076908f5 ]---
The driver creates the mapping by calling irq_of_parse_and_map(),
so it also has to dispose the mapping. But the easy way out is to
simply use platform_get_irq() instead of irq_of_parse_map(). Also
we should adapt return value checking and propagate error values.
In this case the mapping is not managed by the device but by
the of core, so the device has not to dispose the mapping.
Fixes: faf0b2e5af ("drivers/ata: add support to Freescale 3.0Gbps SATA Controller")
Cc: stable@vger.kernel.org
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Baokun Li <libaokun1@huawei.com>
Reviewed-by: Sergei Shtylyov <sergei.shtylyov@gmail.com>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
When the `rmmod sata_fsl.ko` command is executed in the PPC64 GNU/Linux,
a bug is reported:
==================================================================
BUG: Unable to handle kernel data access on read at 0x80000800805b502c
Oops: Kernel access of bad area, sig: 11 [#1]
NIP [c0000000000388a4] .ioread32+0x4/0x20
LR [80000000000c6034] .sata_fsl_port_stop+0x44/0xe0 [sata_fsl]
Call Trace:
.free_irq+0x1c/0x4e0 (unreliable)
.ata_host_stop+0x74/0xd0 [libata]
.release_nodes+0x330/0x3f0
.device_release_driver_internal+0x178/0x2c0
.driver_detach+0x64/0xd0
.bus_remove_driver+0x70/0xf0
.driver_unregister+0x38/0x80
.platform_driver_unregister+0x14/0x30
.fsl_sata_driver_exit+0x18/0xa20 [sata_fsl]
.__se_sys_delete_module+0x1ec/0x2d0
.system_call_exception+0xfc/0x1f0
system_call_common+0xf8/0x200
==================================================================
The triggering of the BUG is shown in the following stack:
driver_detach
device_release_driver_internal
__device_release_driver
drv->remove(dev) --> platform_drv_remove/platform_remove
drv->remove(dev) --> sata_fsl_remove
iounmap(host_priv->hcr_base); <---- unmap
kfree(host_priv); <---- free
devres_release_all
release_nodes
dr->node.release(dev, dr->data) --> ata_host_stop
ap->ops->port_stop(ap) --> sata_fsl_port_stop
ioread32(hcr_base + HCONTROL) <---- UAF
host->ops->host_stop(host)
The iounmap(host_priv->hcr_base) and kfree(host_priv) functions should
not be executed in drv->remove. These functions should be executed in
host_stop after port_stop. Therefore, we move these functions to the
new function sata_fsl_host_stop and bind the new function to host_stop.
Fixes: faf0b2e5af ("drivers/ata: add support to Freescale 3.0Gbps SATA Controller")
Cc: stable@vger.kernel.org
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Baokun Li <libaokun1@huawei.com>
Reviewed-by: Sergei Shtylyov <sergei.shtylyov@gmail.com>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
The zero day bot reported some sparse complaints in pata_falcon.c. E.g.
drivers/ata/pata_falcon.c:58:41: warning: cast removes address space '__iomem' of expression
drivers/ata/pata_falcon.c:58:41: warning: incorrect type in argument 1 (different address spaces)
drivers/ata/pata_falcon.c:58:41: expected unsigned short volatile [noderef] [usertype] __iomem *port
drivers/ata/pata_falcon.c:58:41: got unsigned short [usertype] *
The same thing shows up in 8 places, all told. Avoid this by removing
unnecessary type casts.
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Michael Schmitz <schmitzmic@gmail.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Reported-by: kernel test robot <lkp@intel.com>
Suggested-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Finn Thain <fthain@linux-m68k.org>
Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
As reported by Exuvo is possible that we have lot's of EPROTO errors
during device start i.e. firmware load. But after that device works
correctly. Hence marking device gone by few EPROTO errors done by
commit e383c70474 ("rt2x00: check number of EPROTO errors") caused
regression - Exuvo device stop working after kernel update. To fix
disable the check during device start.
Link: https://lore.kernel.org/linux-wireless/bff7d309-a816-6a75-51b6-5928ef4f7a8c@exuvo.se/
Reported-and-tested-by: Exuvo <exuvo@exuvo.se>
Fixes: e383c70474 ("rt2x00: check number of EPROTO errors")
Cc: stable@vger.kernel.org
Signed-off-by: Stanislaw Gruszka <stf_xl@wp.pl>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20211111141003.GA134627@wp.pl
With the use of dummy events, we can drop virtgpu specific
behavior.
Fixes: cd7f5ca335 ("drm/virtio: implement context init: add virtio_gpu_fence_event")
Reported-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Gurchetan Singh <gurchetansingh@chromium.org>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20211122232210.602-3-gurchetansingh@google.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
The current virtgpu implementation of poll(..) drops events
when VIRTGPU_CONTEXT_PARAM_POLL_RINGS_MASK is enabled (otherwise
it's like a normal DRM driver).
This is because paravirtualized userspaces receives responses in a
buffer of type BLOB_MEM_GUEST, not by read(..).
To be in line with other DRM drivers and avoid specialized behavior,
it is possible to define a dummy event for virtgpu. Paravirtualized
userspace will now have to call read(..) on the DRM fd to receive the
dummy event.
Fixes: b10790434c ("drm/virtgpu api: create context init feature")
Reported-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Gurchetan Singh <gurchetansingh@chromium.org>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20211122232210.602-2-gurchetansingh@google.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Add a HID_QUIRK_NO_INIT_REPORTS quirk for the
Microsoft Surface 3 (non pro) type-cover.
Trying to init the reports seems to confuse the type-cover and
causes 2 issues:
1. Despite hid-multitouch sending the command to switch the
touchpad to multitouch mode, it keeps sending events on the
mouse emulation interface.
2. The touchpad completely stops sending events after a reboot.
Adding the HID_QUIRK_NO_INIT_REPORTS quirk fixes both issues.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
CBUS transfers have always been atomic, but after commit 63b96983a5
("i2c: core: introduce callbacks for atomic transfers") we started to see
warnings during e.g. poweroff as the atomic callback is not explicitly set.
Fix that.
Fixes the following WARNING seen during Nokia N810 power down:
[ 786.570617] reboot: Power down
[ 786.573913] ------------[ cut here ]------------
[ 786.578826] WARNING: CPU: 0 PID: 672 at drivers/i2c/i2c-core.h:40 i2c_smbus_xfer+0x100/0x110
[ 786.587799] No atomic I2C transfer handler for 'i2c-2'
Fixes: 63b96983a5 ("i2c: core: introduce callbacks for atomic transfers")
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
When running without MIO support, with pci=nomio or for devices which
are not MIO-capable the zPCI subsystem generates pseudo-MMIO addresses
to allow access to PCI BARs via MMIO based Linux APIs even though the
platform uses function handles and BAR numbers.
This is done by stashing an index into our global IOMAP array which
contains the function handle in the 16 most significant bits of the
addresses returned by ioremap() always setting the most significant bit.
On the other hand the MIO addresses assigned by the platform for use,
while requiring special instructions, allow PCI access with virtually
mapped physical addresses. Now the problem is that these MIO addresses
and our own pseudo-MMIO addresses may overlap, while functionally this
would not be a problem by itself this overlap is detected by common code
as both address types are added as resources in the iomem_resource tree.
This leads to the overlapping resource claim of either the MIO capable
or non-MIO capable devices with being rejected.
Since PCI is tightly coupled to the use of the iomem_resource tree, see
for example the code for request_mem_region(), we can't reasonably get
rid of the overlap being detected by keeping our pseudo-MMIO addresses
out of the iomem_resource tree.
Instead let's move the range used by our own pseudo-MMIO addresses by
starting at (1UL << 62) and only using addresses below (1UL << 63) thus
avoiding the range currently used for MIO addresses.
Fixes: c7ff0e918a ("s390/pci: deal with devices that have no support for MIO instructions")
Cc: stable@vger.kernel.org # 5.3+
Reviewed-by: Pierre Morel <pmorel@linux.ibm.com>
Signed-off-by: Niklas Schnelle <schnelle@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
For cs8409, it is required to run Jack Detect on resume.
Jack Detect on cs8409+cs42l42 requires an interrupt from
cs42l42 to be sent to cs8409 which is propogated to the driver
via an unsolicited event.
However, the hda_codec drops unsolicited events if the power_state
is not set to PMSG_ON. Which is set at the end of the resume call.
This means there is a race condition between setting power_state
to PMSG_ON and receiving the interrupt.
To solve this, we can add an API to set the power_state earlier
and call that before we start Jack Detect.
This does not cause issues, since we know inside our driver that
we are already initialized, and ready to handle the unsolicited
events.
Signed-off-by: Stefan Binding <sbinding@opensource.cirrus.com>
Signed-off-by: Vitaly Rodionov <vitalyr@opensource.cirrus.com>
Cc: <stable@vger.kernel.org> # v5.15+
Link: https://lore.kernel.org/r/20211128115558.71683-1-vitalyr@opensource.cirrus.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
The FPGA region class driver data structure is being treated as a
managed resource instead of using the standard dev_release call-back
function to release the class data structure. This change removes the
managed resource code and combines the create() and register()
functions into a single register() or register_full() function.
The register_full() function accepts an info data structure to provide
flexibility in passing optional parameters. The register() function
supports the current parameter list for users that don't require the
use of optional parameters.
Signed-off-by: Russ Weight <russell.h.weight@intel.com>
Reviewed-by: Xu Yilun <yilun.xu@intel.com>
Acked-by: Xu Yilun <yilun.xu@intel.com>
Signed-off-by: Moritz Fischer <mdf@kernel.org>
The FPGA bridge class driver data structure is being treated as a
managed resource instead of using the standard dev_release call-back
function to release the class data structure. This change removes
the managed resource code and combines the create() and register()
functions into a single register() function.
Signed-off-by: Russ Weight <russell.h.weight@intel.com>
Reviewed-by: Xu Yilun <yilun.xu@intel.com>
Acked-by: Xu Yilun <yilun.xu@intel.com>
Signed-off-by: Moritz Fischer <mdf@kernel.org>
The FPGA manager class driver data structure is being treated as a
managed resource instead of using the standard dev_release call-back
function to release the class data structure. This change removes
the managed resource code for the freeing of the class data structure
and combines the create() and register() functions into a single
register() or register_full() function.
The register_full() function accepts an info data structure to provide
flexibility in passing optional parameters. The register() function
supports the current parameter list for users that don't require the
use of optional parameters.
The devm_fpga_mgr_register() function is retained, and the
devm_fpga_mgr_register_full() function is added.
Signed-off-by: Russ Weight <russell.h.weight@intel.com>
Reviewed-by: Xu Yilun <yilun.xu@intel.com>
Acked-by: Xu Yilun <yilun.xu@intel.com>
Signed-off-by: Moritz Fischer <mdf@kernel.org>
Misc fixes all over the place.
Revert of virtio used length validation series: the approach taken does
not seem to work, breaking too many guests in the process. We'll need to
do length validation using some other approach.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull vhost,virtio,vdpa bugfixes from Michael Tsirkin:
"Misc fixes all over the place.
Revert of virtio used length validation series: the approach taken
does not seem to work, breaking too many guests in the process. We'll
need to do length validation using some other approach"
[ This merge also ends up reverting commit f7a36b03a7 ("vsock/virtio:
suppress used length validation"), which came in through the
networking tree in the meantime, and was part of that whole used
length validation series - Linus ]
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
vdpa_sim: avoid putting an uninitialized iova_domain
vhost-vdpa: clean irqs before reseting vdpa device
virtio-blk: modify the value type of num in virtio_queue_rq()
vhost/vsock: cleanup removing `len` variable
vhost/vsock: fix incorrect used length reported to the guest
Revert "virtio_ring: validate used buffer length"
Revert "virtio-net: don't let virtio core to validate used length"
Revert "virtio-blk: don't let virtio core to validate used length"
Revert "virtio-scsi: don't let virtio core to validate used buffer length"
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Merge tag 'x86-urgent-2021-11-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 build fix from Thomas Gleixner:
"A single fix for a missing __init annotation of prepare_command_line()"
* tag 'x86-urgent-2021-11-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/boot: Mark prepare_command_line() __init
left on the idle task's stack when a CPU is brought up after it was brought
down before.
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Merge tag 'sched-urgent-2021-11-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fix from Thomas Gleixner:
"A single scheduler fix to ensure that there is no stale KASAN shadow
state left on the idle task's stack when a CPU is brought up after it
was brought down before"
* tag 'sched-urgent-2021-11-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/scs: Reset task stack state in bringup_cpu()
a trace point event as it's not possible to deliver a synchronous signal to
a different task from there.
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Merge tag 'perf-urgent-2021-11-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fix from Thomas Gleixner:
"A single fix for perf to prevent it from sending SIGTRAP to another
task from a trace point event as it's not possible to deliver a
synchronous signal to a different task from there"
* tag 'perf-urgent-2021-11-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf: Ignore sigtrap for tracepoints destined for other tasks
- Plug a race in the lock handoff which is caused by inconsistency of the
reader and writer path and can lead to corruption of the underlying
counter.
- down_read_trylock() is suboptimal when the lock is contended and
multiple readers trylock concurrently. That's due to the initial value
being read non-atomically which results in at least two compare exchange
loops. Making the initial readout atomic reduces this significantly.
Whith 40 readers by 11% in a benchmark which enforces contention on
mmap_sem.
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Merge tag 'locking-urgent-2021-11-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking fixes from Thomas Gleixner:
"Two regression fixes for reader writer semaphores:
- Plug a race in the lock handoff which is caused by inconsistency of
the reader and writer path and can lead to corruption of the
underlying counter.
- down_read_trylock() is suboptimal when the lock is contended and
multiple readers trylock concurrently. That's due to the initial
value being read non-atomically which results in at least two
compare exchange loops. Making the initial readout atomic reduces
this significantly. Whith 40 readers by 11% in a benchmark which
enforces contention on mmap_sem"
* tag 'locking-urgent-2021-11-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
locking/rwsem: Optimize down_read_trylock() under highly contended case
locking/rwsem: Make handoff bit handling more consistent
- The setting of the pid filtering flag tested the "trace only this
pid" case twice, and ignored the "trace everything but this pid" case.
Note, the 5.15 kernel does things a little differently due to the new
sparse pid mask introduced in 5.16, and as the bug was discovered
running the 5.15 kernel, and the first fix was initially done for
that kernel, that fix handled both cases (only pid and all but pid),
but the forward port to 5.16 created this bug.
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Merge tag 'trace-v5.16-rc2-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull another tracing fix from Steven Rostedt:
"Fix the fix of pid filtering
The setting of the pid filtering flag tested the "trace only this pid"
case twice, and ignored the "trace everything but this pid" case.
The 5.15 kernel does things a little differently due to the new sparse
pid mask introduced in 5.16, and as the bug was discovered running the
5.15 kernel, and the first fix was initially done for that kernel,
that fix handled both cases (only pid and all but pid), but the
forward port to 5.16 created this bug"
* tag 'trace-v5.16-rc2-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracing: Test the 'Do not trace this pid' case in create event
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Merge tag '5.16-rc2-ksmbd-fixes' of git://git.samba.org/ksmbd
Pull ksmbd fixes from Steve French:
"Five ksmbd server fixes, four of them for stable:
- memleak fix
- fix for default data stream on filesystems that don't support xattr
- error logging fix
- session setup fix
- minor doc cleanup"
* tag '5.16-rc2-ksmbd-fixes' of git://git.samba.org/ksmbd:
ksmbd: fix memleak in get_file_stream_info()
ksmbd: contain default data stream even if xattr is empty
ksmbd: downgrade addition info error msg to debug in smb2_get_info_sec()
docs: filesystem: cifs: ksmbd: Fix small layout issues
ksmbd: Fix an error handling path in 'smb2_sess_setup()'
Use the architecture independent Kconfig option PAGE_SIZE_LESS_THAN_64KB
to indicate that VMXNET3 requires a page size smaller than 64kB.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
NTFS_RW code allocates page size dependent arrays on the stack. This
results in build failures if the page size is 64k or larger.
fs/ntfs/aops.c: In function 'ntfs_write_mst_block':
fs/ntfs/aops.c:1311:1: error:
the frame size of 2240 bytes is larger than 2048 bytes
Since commit f22969a660 ("powerpc/64s: Default to 64K pages for 64 bit
book3s") this affects ppc:allmodconfig builds, but other architectures
supporting page sizes of 64k or larger are also affected.
Increasing the maximum frame size for affected architectures just to
silence this error does not really help. The frame size would have to
be set to a really large value for 256k pages. Also, a large frame size
could potentially result in stack overruns in this code and elsewhere
and is therefore not desirable. Make NTFS_RW dependent on page sizes
smaller than 64k instead.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Cc: Anton Altaparmakov <anton@tuxera.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
NTFS_RW and VMXNET3 require a page size smaller than 64kB. Add generic
Kconfig option for use outside architecture code to avoid architecture
specific Kconfig options in that code.
Suggested-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Cc: Anton Altaparmakov <anton@tuxera.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
When creating a new event (via a module, kprobe, eprobe, etc), the
descriptors that are created must add flags for pid filtering if an
instance has pid filtering enabled, as the flags are used at the time the
event is executed to know if pid filtering should be done or not.
The "Only trace this pid" case was added, but a cut and paste error made
that case checked twice, instead of checking the "Trace all but this pid"
case.
Link: https://lore.kernel.org/all/202111280401.qC0z99JB-lkp@intel.com/
Fixes: 6cb206508b ("tracing: Check pid filtering when creating events")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
- Fix buffer resource leak that could lead to livelock on corrupt fs.
- Remove unused function xfs_inew_wait to shut up the build robots.
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Merge tag 'xfs-5.16-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs fixes from Darrick Wong:
"Fixes for a resource leak and a build robot complaint about totally
dead code:
- Fix buffer resource leak that could lead to livelock on corrupt fs.
- Remove unused function xfs_inew_wait to shut up the build robots"
* tag 'xfs-5.16-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: remove xfs_inew_wait
xfs: Fix the free logic of state in xfs_attr_node_hasname
- Fix an accounting problem where unaligned inline data reads can run
off the end of the read iomap iterator. iomap has historically
required that inline data mappings only exist at the end of a file,
though this wasn't documented anywhere.
- Document iomap_read_inline_data and change its return type to be
appropriate for the information that it's actually returning.
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Merge tag 'iomap-5.16-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull iomap fixes from Darrick Wong:
"A single iomap bug fix and a cleanup for 5.16-rc2.
The bug fix changes how iomap deals with reading from an inline data
region -- whereas the current code (incorrectly) lets the iomap read
iter try for more bytes after reading the inline region (which zeroes
the rest of the page!) and hopes the next iteration terminates, we
surveyed the inlinedata implementations and realized that all
inlinedata implementations also require that the inlinedata region end
at EOF, so we can simply terminate the read.
The second patch documents these assumptions in the code so that
they're not subtle implications anymore, and cleans up some of the
grosser parts of that function.
Summary:
- Fix an accounting problem where unaligned inline data reads can run
off the end of the read iomap iterator. iomap has historically
required that inline data mappings only exist at the end of a file,
though this wasn't documented anywhere.
- Document iomap_read_inline_data and change its return type to be
appropriate for the information that it's actually returning"
* tag 'iomap-5.16-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
iomap: iomap_read_inline_data cleanup
iomap: Fix inline extent handling in iomap_readpage
- Have created events reflect the current state of pid filtering
- Test pid filtering on discard test of recorded logic.
(Also clean up the if statement to be cleaner).
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Merge tag 'trace-v5.16-rc2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing fixes from Steven Rostedt:
"Two fixes to event pid filtering:
- Make sure newly created events reflect the current state of pid
filtering
- Take pid filtering into account when recording trigger events.
(Also clean up the if statement to be cleaner)"
* tag 'trace-v5.16-rc2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracing: Fix pid filtering when triggers are attached
tracing: Check pid filtering when creating events
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Merge tag 'io_uring-5.16-2021-11-27' of git://git.kernel.dk/linux-block
Pull more io_uring fixes from Jens Axboe:
"The locking fixup that was applied earlier this rc has both a deadlock
and IRQ safety issue, let's get that ironed out before -rc3. This
contains:
- Link traversal locking fix (Pavel)
- Cancelation fix (Pavel)
- Relocate cond_resched() for huge buffer chain freeing, avoiding a
softlockup warning (Ye)
- Fix timespec validation (Ye)"
* tag 'io_uring-5.16-2021-11-27' of git://git.kernel.dk/linux-block:
io_uring: Fix undefined-behaviour in io_issue_sqe
io_uring: fix soft lockup when call __io_remove_buffers
io_uring: fix link traversal locking
io_uring: fail cancellation for EXITING tasks
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Merge tag 'block-5.16-2021-11-27' of git://git.kernel.dk/linux-block
Pull more block fixes from Jens Axboe:
"Turns out that the flushing out of pending fixes before the
Thanksgiving break didn't quite work out in terms of timing, so here's
a followup set of fixes:
- rq_qos_done() should be called regardless of whether or not we're
the final put of the request, it's not related to the freeing of
the state. This fixes an IO stall with wbt that a few users have
reported, a regression in this release.
- Only define zram_wb_devops if it's used, fixing a compilation
warning for some compilers"
* tag 'block-5.16-2021-11-27' of git://git.kernel.dk/linux-block:
zram: only make zram_wb_devops for CONFIG_ZRAM_WRITEBACK
block: call rq_qos_done() before ref check in batch completions
Twelve fixes, eleven in drivers (target, qla2xx, scsi_debug, mpt3sas,
ufs). The core fix is a minor correction to the previous state update
fix for the iscsi daemons.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Twelve fixes, eleven in drivers (target, qla2xx, scsi_debug, mpt3sas,
ufs). The core fix is a minor correction to the previous state update
fix for the iscsi daemons"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: scsi_debug: Zero clear zones at reset write pointer
scsi: core: sysfs: Fix setting device state to SDEV_RUNNING
scsi: scsi_debug: Sanity check block descriptor length in resp_mode_select()
scsi: target: configfs: Delete unnecessary checks for NULL
scsi: target: core: Use RCU helpers for INQUIRY t10_alua_tg_pt_gp
scsi: mpt3sas: Fix incorrect system timestamp
scsi: mpt3sas: Fix system going into read-only mode
scsi: mpt3sas: Fix kernel panic during drive powercycle test
scsi: ufs: ufs-mediatek: Add put_device() after of_find_device_by_node()
scsi: scsi_debug: Fix type in min_t to avoid stack OOB
scsi: qla2xxx: edif: Fix off by one bug in qla_edif_app_getfcinfo()
scsi: ufs: ufshpb: Fix warning in ufshpb_set_hpb_read_to_upiu()
Highlights include:
Stable fixes:
- NFSv42: Fix pagecache invalidation after COPY/CLONE
Bugfixes:
- NFSv42: Don't fail clone() just because the server failed to return
post-op attributes
- SUNRPC: use different lockdep keys for INET6 and LOCAL
- NFSv4.1: handle NFS4ERR_NOSPC from CREATE_SESSION
- SUNRPC: fix header include guard in trace header
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Merge tag 'nfs-for-5.16-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull NFS client fixes from Trond Myklebust:
"Highlights include:
Stable fixes:
- NFSv42: Fix pagecache invalidation after COPY/CLONE
Bugfixes:
- NFSv42: Don't fail clone() just because the server failed to return
post-op attributes
- SUNRPC: use different lockdep keys for INET6 and LOCAL
- NFSv4.1: handle NFS4ERR_NOSPC from CREATE_SESSION
- SUNRPC: fix header include guard in trace header"
* tag 'nfs-for-5.16-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
SUNRPC: use different lock keys for INET6 and LOCAL
sunrpc: fix header include guard in trace header
NFSv4.1: handle NFS4ERR_NOSPC by CREATE_SESSION
NFSv42: Fix pagecache invalidation after COPY/CLONE
NFS: Add a tracepoint to show the results of nfs_set_cache_invalid()
NFSv42: Don't fail clone() unless the OP_CLONE operation failed
