If of_parse_phandle_with_args() called from __thermal_of_bind() or
__thermal_of_unbind() fails, cooling_spec.np will not be initialized,
so move the of_node_put() calls below the respective return value checks
to avoid dereferencing an uninitialized pointer.
Fixes: 3fd6d6e2b4 ("thermal/of: Rework the thermal device tree initialization")
Signed-off-by: Peng Fan <peng.fan@nxp.com>
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
profile->disconnected was storing an invalid reference to the
disconnected path. Fix it by duplicating the string using
aa_unpack_strdup and freeing accordingly.
Fixes: 72c8a76864 ("apparmor: allow profiles to provide info to disconnected paths")
Signed-off-by: Georgia Garcia <georgia.garcia@canonical.com>
Signed-off-by: John Johansen <john.johansen@canonical.com>
Commit bb500dbe2a ("vfio/pds: Add VFIO live migration support")
added live migration support for the pds-vfio-pci driver. When
sending the SUSPEND command to the device, the driver sets the
type of suspend (i.e. P2P or FULL). However, the driver isn't
sending the type of suspend for the SUSPEND_STATUS command, which
will result in failures. Fix this by also sending the suspend type
in the SUSPEND_STATUS command.
Fixes: bb500dbe2a ("vfio/pds: Add VFIO live migration support")
Signed-off-by: Brett Creeley <brett.creeley@amd.com>
Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20230821184215.34564-1-brett.creeley@amd.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
If GuC hits an internal error (and survives long enough to report it
to the KMD), it is basically toast and will stop until a GT reset and
subsequent GuC reload is performed. Previously, the KMD just printed
an error message and then waited for the heartbeat to eventually kick
in and trigger a reset (assuming the heartbeat had not been disabled).
Instead, force the reset immediately to guarantee that it happens and
to eliminate the very long heartbeat delay. The captured error state
is also more likely to be useful if captured at the time of the error
rather than many seconds later.
Note that it is not possible to trigger a reset from with the G2H
handler itself. The reset prepare process involves flushing
outstanding G2H contents. So a deadlock could result. Instead, the G2H
handler queues a worker thread to do the reset asynchronously.
v2: Flush the worker on suspend and shutdown. Add rate limiting to
prevent spam from a totally dead system (review feedback from Daniele).
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230816003957.3572654-1-John.C.Harrison@Intel.com
- Fix DT node refcount when creating platform devices
- Fix deadlock in changeset code due to printing with devtree_lock held
- Fix unittest EXPECT strings for parse_phandle_with_args_map() test
- Fix IMA kexec memblock freeing
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Merge tag 'devicetree-fixes-for-6.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree fixes from Rob Herring:
- Fix DT node refcount when creating platform devices
- Fix deadlock in changeset code due to printing with devtree_lock held
- Fix unittest EXPECT strings for parse_phandle_with_args_map() test
- Fix IMA kexec memblock freeing
* tag 'devicetree-fixes-for-6.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
of/platform: increase refcount of fwnode
of: dynamic: Refactor action prints to not use "%pOF" inside devtree_lock
of: unittest: Fix EXPECT for parse_phandle_with_args_map() test
mm,ima,kexec,of: use memblock_free_late from ima_free_kexec_buffer
Remove from the bindings the #defines with number of clocks supported by
each clock controller driver. This number can vary, e.g. when we
implement more clocks in the driver. Having the number in the bindings
prevents changing it. Instead, this should be just a #define inside the
driver.
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Merge tag 'samsung-clk-6.6' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into clk-samsung
Pull Samsung SoC clock drivers changes from Krzysztof Kozlowski:
Remove from the bindings the #defines with number of clocks supported by
each clock controller driver. This number can vary, e.g. when we
implement more clocks in the driver. Having the number in the bindings
prevents changing it. Instead, this should be just a #define inside the
driver.
* tag 'samsung-clk-6.6' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
dt-bindings: clock: samsung: remove define with number of clocks
clk: samsung: exynoautov9: do not define number of clocks in bindings
clk: samsung: exynos850: do not define number of clocks in bindings
clk: samsung: exynos7885: do not define number of clocks in bindings
clk: samsung: exynos5433: do not define number of clocks in bindings
clk: samsung: exynos5420: do not define number of clocks in bindings
clk: samsung: exynos5410: do not define number of clocks in bindings
clk: samsung: exynos5260: do not define number of clocks in bindings
clk: samsung: exynos5250: do not define number of clocks in bindings
clk: samsung: exynos4: do not define number of clocks in bindings
clk: samsung: exynos3250: do not define number of clocks in bindings
Cited commits passed a size to alloc_skb that was only big enough for
the actual packet contents, but the following skb_put + memcpy writes
the whole struct efx_loopback_payload including leading and trailing
padding bytes (which are then stripped off with skb_pull/skb_trim).
This could cause an skb_over_panic, although in practice we get saved
by kmalloc_size_roundup.
Pass the entire size we use, instead of the size of the final packet.
Reported-by: Andy Moreton <andy.moreton@amd.com>
Fixes: cf60ed4696 ("sfc: use padding to fix alignment in loopback test")
Fixes: 30c24dd87f ("sfc: siena: use padding to fix alignment in loopback test")
Fixes: 1186c6b31e ("sfc: falcon: use padding to fix alignment in loopback test")
Signed-off-by: Edward Cree <ecree.xilinx@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20230821180153.18652-1-edward.cree@amd.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
1) aRFS ethtool stats
Improve aRFS observability by adding new set of counters. Each Rx
ring will have this set of counters listed below.
These counters are exposed through ethtool -S.
1.1) arfs_add: number of times a new rule has been created.
1.2) arfs_request_in: number of times a rule was requested to move from
its current Rx ring to a new Rx ring (incremented on the destination
Rx ring).
1.3) arfs_request_out: number of times a rule was requested to move out
from its current Rx ring (incremented on source/current Rx ring).
1.4) arfs_expired: number of times a rule has been expired by the
kernel and removed from HW.
1.5) arfs_err: number of times a rule creation or modification has
failed.
2) Supporting inline WQE when possible in SW steering
3) Misc cleanups and fixups to net-next branch
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Merge tag 'mlx5-updates-2023-08-16' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
mlx5-updates-2023-08-16
1) aRFS ethtool stats
Improve aRFS observability by adding new set of counters. Each Rx
ring will have this set of counters listed below.
These counters are exposed through ethtool -S.
1.1) arfs_add: number of times a new rule has been created.
1.2) arfs_request_in: number of times a rule was requested to move from
its current Rx ring to a new Rx ring (incremented on the destination
Rx ring).
1.3) arfs_request_out: number of times a rule was requested to move out
from its current Rx ring (incremented on source/current Rx ring).
1.4) arfs_expired: number of times a rule has been expired by the
kernel and removed from HW.
1.5) arfs_err: number of times a rule creation or modification has
failed.
2) Supporting inline WQE when possible in SW steering
3) Misc cleanups and fixups to net-next branch
* tag 'mlx5-updates-2023-08-16' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux:
net/mlx5: Devcom, only use devcom after NULL check in mlx5_devcom_send_event()
net/mlx5: DR, Supporting inline WQE when possible
net/mlx5: Rename devlink port ops struct for PFs/VFs
net/mlx5: Remove VPORT_UPLINK handling from devlink_port.c
net/mlx5: Call mlx5_esw_offloads_rep_load/unload() for uplink port directly
net/mlx5: Update dead links in Kconfig documentation
net/mlx5: Remove health syndrome enum duplication
net/mlx5: DR, Remove unneeded local variable
net/mlx5: DR, Fix code indentation
net/mlx5: IRQ, consolidate irq and affinity mask allocation
net/mlx5e: Fix spelling mistake "Faided" -> "Failed"
net/mlx5e: aRFS, Introduce ethtool stats
net/mlx5e: aRFS, Warn if aRFS table does not exist for aRFS rule
net/mlx5e: aRFS, Prevent repeated kernel rule migrations requests
====================
Link: https://lore.kernel.org/r/20230821175739.81188-1-saeed@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This series introduces interconnect debugfs files that support voting
for any interconnect path the framework supports. It is useful for debug,
test and verification.
* icc-debugfs
debugfs: Add write support to debugfs_create_str()
interconnect: Reintroduce icc_get()
interconnect: Add debugfs test client
Link: https://lore.kernel.org/r/20230807142914.12480-1-quic_mdtipton@quicinc.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
It's often useful during test, debug, and development to issue path
votes from shell. Add a debugfs client for this purpose.
Example usage:
cd /sys/kernel/debug/interconnect/test-client/
# Configure node endpoints for the path from CPU to DDR on
# qcom/sm8550.
echo chm_apps > src_node
echo ebi > dst_node
# Get path between src_node and dst_node. This is only
# necessary after updating the node endpoints.
echo 1 > get
# Set desired BW to 1GBps avg and 2GBps peak.
echo 1000000 > avg_bw
echo 2000000 > peak_bw
# Vote for avg_bw and peak_bw on the latest path from "get".
# Voting for multiple paths is possible by repeating this
# process for different nodes endpoints.
echo 1 > commit
Allowing userspace to directly enable and set bus rates can be dangerous
So, following in the footsteps of the regmap [0] and clk [1] frameworks,
keep these userspace controls compile-time disabled without Kconfig
options to enable them. Enabling this will require code changes to
define INTERCONNECT_ALLOW_WRITE_DEBUGFS.
[0] commit 09c6ecd394 ("regmap: Add support for writing to regmap registers via debugfs")
[1] commit 37215da555 ("clk: Add support for setting clk_rate via debugfs")
Signed-off-by: Mike Tipton <quic_mdtipton@quicinc.com>
Link: https://lore.kernel.org/r/20230807142914.12480-4-quic_mdtipton@quicinc.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
The original icc_get() that took integer node IDs was removed due to
lack of users. Reintroduce a new version that takes string node names,
which is needed for the debugfs client.
Signed-off-by: Mike Tipton <quic_mdtipton@quicinc.com>
Link: https://lore.kernel.org/r/20230807142914.12480-3-quic_mdtipton@quicinc.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
Currently, debugfs_create_str() only supports reading strings from
debugfs. Add support for writing them as well.
Based on original implementation by Peter Zijlstra [0]. Write support
was present in the initial patch version, but dropped in v2 due to lack
of users. We have a user now, so reintroduce it.
[0] https://lore.kernel.org/all/YF3Hv5zXb%2F6lauzs@hirez.programming.kicks-ass.net/
Signed-off-by: Mike Tipton <quic_mdtipton@quicinc.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20230807142914.12480-2-quic_mdtipton@quicinc.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
* reorder buffer filter checks can cause bad shift/UBSAN
warning with newer HW, avoid the check (mac80211)
* add Kconfig dependency for iwlwifi for PTP clock usage
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Merge tag 'wireless-2023-08-22' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless
Johannes Berg says:
====================
Two fixes:
- reorder buffer filter checks can cause bad shift/UBSAN
warning with newer HW, avoid the check (mac80211)
- add Kconfig dependency for iwlwifi for PTP clock usage
* tag 'wireless-2023-08-22' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless:
wifi: mac80211: limit reorder_buf_filtered to avoid UBSAN warning
wifi: iwlwifi: mvm: add dependency for PTP clock
====================
Link: https://lore.kernel.org/r/20230822124206.43926-2-johannes@sipsolutions.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Commit b655892ffd ("leds: trigger: netdev: expose hw_control status
via sysfs") exposed to sysfs the flag that tells whether the LED trigger
is offloaded to hardware, under the name "hw_control", since that is the
name under which this setting is called in the code.
Everywhere else in kernel when some work that is normally done in
software can be made to be done by hardware instead, we use the word
"offloading" to describe this, e.g. "LED blinking is offloaded to
hardware".
Normally renaming sysfs entries is a no-go because of backwards
compatibility. But since this patch was not yet released in a stable
kernel, I think it is still possible to rename it, if there is
consensus.
Fixes: b655892ffd ("leds: trigger: netdev: expose hw_control status via sysfs")
Signed-off-by: Marek Behún <kabel@kernel.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20230821121453.30203-1-kabel@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
When a hardware reset is triggered on devices not initializing WED the
calls to mtk_wed_fe_reset and mtk_wed_fe_reset_complete dereference a
pointer on uninitialized stack memory.
Break out of both functions in case a hw_list entry is 0.
Fixes: 08a764a7c5 ("net: ethernet: mtk_wed: add reset/reset_complete callbacks")
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Acked-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://lore.kernel.org/r/5465c1609b464cc7407ae1530c40821dcdf9d3e6.1692634266.git.daniel@makrotopia.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
dev_queue_xmit_nit() already uses rcu_read_lock() / rcu_read_unlock()
and nothing suggests that softIRQs should be disabled around it.
Therefore, remove the rcu_read_lock_bh() / rcu_read_unlock_bh()
surrounding it.
Tested using [1] with lockdep enabled.
[1]
#!/bin/bash
ip link add name vrf1 up type vrf table 100
ip link add name veth0 type veth peer name veth1
ip link set dev veth1 master vrf1
ip link set dev veth0 up
ip link set dev veth1 up
ip address add 192.0.2.1/24 dev veth0
ip address add 192.0.2.2/24 dev veth1
ip rule add pref 32765 table local
ip rule del pref 0
tcpdump -i vrf1 -c 20 -w /dev/null &
sleep 10
ping -i 0.1 -c 10 -q 192.0.2.2
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://lore.kernel.org/r/20230821142339.1889961-1-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
- Add the PDM IPC clock for i.MX93
- Add 519.75MHz frequency support for i.MX9 PLL
- Simplify the .determine_rate() for GPR mux
- Make the i.MX8QXP LPCG clock use devm_platform_ioremap_resource
- Add the audio mux clock to i.MX8
- Fix the SPLL2 MULT range for PLLv4
- Update the SPLL2 type in i.MX8ULP
- Fix the SAI4 clock on i.MX8MP
- Add silicon revision print for i.MX25 on clocks init
- Drop the return value from __mx25_clocks_init
- Fix the clock pauses on no-op set_rate for i.MX8M composite clock
- Drop restrictions for PLL14xx and fix its max prediv value
- Drop the 393216000 and 361267200 from PLL14xx rate table to allow
glitch free switching
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Merge tag 'clk-imx-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/abelvesa/linux into clk-imx
Pull i.MX clk driver updates from Abel Vesa:
- Add the PDM IPC clock for i.MX93
- Add 519.75MHz frequency support for i.MX9 PLL
- Simplify the .determine_rate() for GPR mux
- Make the i.MX8QXP LPCG clock use devm_platform_ioremap_resource
- Add the audio mux clock to i.MX8
- Fix the SPLL2 MULT range for PLLv4
- Update the SPLL2 type in i.MX8ULP
- Fix the SAI4 clock on i.MX8MP
- Add silicon revision print for i.MX25 on clocks init
- Drop the return value from __mx25_clocks_init
- Fix the clock pauses on no-op set_rate for i.MX8M composite clock
- Drop restrictions for PLL14xx and fix its max prediv value
- Drop the 393216000 and 361267200 from PLL14xx rate table to allow
glitch free switching
* tag 'clk-imx-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/abelvesa/linux:
clk: imx: pll14xx: dynamically configure PLL for 393216000/361267200Hz
clk: imx: pll14xx: align pdiv with reference manual
clk: imx: composite-8m: fix clock pauses when set_rate would be a no-op
clk: imx25: make __mx25_clocks_init return void
clk: imx25: print silicon revision during init
dt-bindings: clocks: imx8mp: make sai4 a dummy clock
clk: imx8mp: fix sai4 clock
clk: imx: imx8ulp: update SPLL2 type
clk: imx: pllv4: Fix SPLL2 MULT range
clk: imx: imx8: add audio clock mux driver
dt-bindings: clock: fsl,imx8-acm: Add audio clock mux support
clk: imx: clk-imx8qxp-lpcg: Convert to devm_platform_ioremap_resource()
clk: imx: clk-gpr-mux: Simplify .determine_rate()
clk: imx: Add 519.75MHz frequency support for imx9 pll
clk: imx93: Add PDM IPG clk
dt-bindings: clock: imx93: Add PDM IPG clk
The function is not called from an atomic context so use GFP_KERNEL
instead of GFP_ATOMIC. The allocation of the per-CPU stats is already
performed with GFP_KERNEL.
Tested using test_vxlan_vnifiltering.sh with CONFIG_DEBUG_ATOMIC_SLEEP.
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://lore.kernel.org/r/20230821141923.1889776-1-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
present before.
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Merge tag 'v6.6-rockchip-clk1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into clk-rockchip
Pull Rockchip clk driver updates from Heiko Stuebner:
- PLL rates for rk3568 and the display clock tree for rv1126 which wasn't present before
* tag 'v6.6-rockchip-clk1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
clk: rockchip: rv1126: Add PD_VO clock tree
clk: rockchip: rk3568: Fix PLL rate setting for 78.75MHz
clk: rockchip: rk3568: Add PLL rate for 101MHz
Highlights include:
Stable fixes
- NFS: Fix a use after free in nfs_direct_join_group()
Bugfixes
- NFS: Fix a sysfs server name memory leak
- NFS: Fix a lock recovery hang in NFSv4.0
- NFS: Fix page free in the error path for nfs42_proc_getxattr
- NFS: Fix page free in the error path for __nfs4_get_acl_uncached
- SUNRPC/rdma: Fix receive buffer dma-mapping after a server disconnect
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Merge tag 'nfs-for-6.5-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull NFS client fixes from Trond Myklebust:
- fix a use after free in nfs_direct_join_group() (Cc: stable)
- fix sysfs server name memory leak
- fix lock recovery hang in NFSv4.0
- fix page free in the error path for nfs42_proc_getxattr() and
__nfs4_get_acl_uncached()
- SUNRPC/rdma: fix receive buffer dma-mapping after a server disconnect
* tag 'nfs-for-6.5-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
xprtrdma: Remap Receive buffers after a reconnect
NFSv4: fix out path in __nfs4_get_acl_uncached
NFSv4.2: fix error handling in nfs42_proc_getxattr
NFS: Fix sysfs server name memory leak
NFS: Fix a use after free in nfs_direct_join_group()
NFSv4: Fix dropped lock for racing OPEN and delegation return
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Merge tag 'selinux-pr-20230821' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux
Pull selinux fix from Paul Moore:
"A small fix for a potential problem when cleaning up after a failed
SELinux policy load (list next pointer not being properly initialized
to NULL early enough)"
* tag 'selinux-pr-20230821' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux:
selinux: set next pointer before attaching to list
If a sched job depends on a dma-fence from a job from the same GPU
scheduler instance, but a different scheduler entity, the GPU scheduler
does only wait for the particular job to be scheduled, rather than for
the job to fully complete. This is due to the GPU scheduler assuming
that there is a scheduler instance per ring. However, the current
implementation, in order to avoid arbitrary amounts of kthreads, has a
single scheduler instance while scheduler entities represent rings.
As a workaround, set the DRM_SCHED_FENCE_DONT_PIPELINE for all
out-fences in order to force the scheduler to wait for full job
completion for dependent jobs from different entities and same scheduler
instance.
There is some work in progress [1] to address the issues of firmware
schedulers; once it is in-tree the scheduler topology in Nouveau should
be re-worked accordingly.
[1] https://lore.kernel.org/dri-devel/20230801205103.627779-1-matthew.brost@intel.com/
Signed-off-by: Danilo Krummrich <dakr@redhat.com>
Reviewed-by: Faith Ekstrand <faith.ekstrand@collaboralcom>
Link: https://patchwork.freedesktop.org/patch/msgid/20230811010632.2473-1-dakr@redhat.com
Commit 264a9c5c9d ("net: sparx5: Remove unused GLAG handling in PGID")
removed sparx5_pgid_alloc_glag() but not its declaration.
Commit 27d293ccee ("net: microchip: sparx5: Add support for rule count by cookie")
removed vcap_rule_iter() but not its declaration.
Commit 8beef08f46 ("net: microchip: sparx5: Adding initial VCAP API support")
declared but never implemented vcap_api_set_client().
Signed-off-by: Yue Haibing <yuehaibing@huawei.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20230821135556.43224-1-yuehaibing@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Commit fbfb803153 ("ionic: Add hardware init and device commands")
declared but never implemented ionic_q_rewind()/ionic_set_dma_mask().
Commit 969f843946 ("ionic: sync the filters in the work task")
declared but never implemented ionic_rx_filters_need_sync().
Signed-off-by: Yue Haibing <yuehaibing@huawei.com>
Reviewed-by: Brett Creeley <brett.creeley@amd.com>
Acked-by: Shannon Nelson <shannon.nelson@amd.com>
Link: https://lore.kernel.org/r/20230821134717.51936-1-yuehaibing@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Commit 91a98917a8 ("net: dsa: microchip: move switch chip_id detection to ksz_common")
removed ksz8_switch_detect() but not its declaration.
Commit 6ec23aaaac ("net: dsa: microchip: move ksz_dev_ops to ksz_common.c")
declared but never implemented other functions.
Signed-off-by: Yue Haibing <yuehaibing@huawei.com>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Link: https://lore.kernel.org/r/20230821125501.19624-1-yuehaibing@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Check if BPMP supports thermal trip points, and if not,
do not expose the .set_trips callback to the thermal core
framework. This can happen in virtualized environments
where asynchronous communication with VM BPMP drivers is not
available.
Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20221129153914.2699041-1-cyndis@kapsi.fi
Extend the SED block driver so it can alternatively
obtain a key from a sed-opal kernel keyring. The SED
ioctls will indicate the source of the key, either
directly in the ioctl data or from the keyring.
This allows the use of SED commands in scripts such as
udev scripts so that drives may be automatically unlocked
as they become available.
Signed-off-by: Greg Joyce <gjoyce@linux.vnet.ibm.com>
Reviewed-by: Jonathan Derrick <jonathan.derrick@linux.dev>
Acked-by: Jarkko Sakkinen <jarkko@kernel.org>
Link: https://lore.kernel.org/r/20230721211534.3437070-4-gjoyce@linux.vnet.ibm.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This is used in conjunction with IOC_OPAL_REVERT_TPR to return a drive to
Original Factory State without erasing the data. If IOC_OPAL_REVERT_LSP
is called with opal_revert_lsp.options bit OPAL_PRESERVE set prior
to calling IOC_OPAL_REVERT_TPR, the drive global locking range will not
be erased.
Signed-off-by: Greg Joyce <gjoyce@linux.vnet.ibm.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jonathan Derrick <jonathan.derrick@linux.dev>
Acked-by: Jarkko Sakkinen <jarkko@kernel.org>
Link: https://lore.kernel.org/r/20230721211534.3437070-3-gjoyce@linux.vnet.ibm.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Add IOC_OPAL_DISCOVERY ioctl to return raw discovery data to a SED Opal
application. This allows the application to display drive capabilities
and state.
Signed-off-by: Greg Joyce <gjoyce@linux.vnet.ibm.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jonathan Derrick <jonathan.derrick@linux.dev>
Acked-by: Jarkko Sakkinen <jarkko@kernel.org>
Link: https://lore.kernel.org/r/20230721211534.3437070-2-gjoyce@linux.vnet.ibm.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
For a bpf_kptr_xchg() with local kptr, if the map value kptr type and
allocated local obj type does not match, with the previous patch,
the below verifier error message will be logged:
R2 is of type <allocated local obj type> but <map value kptr type> is expected
Without the previous patch, the test will have unexpected success.
Signed-off-by: Yonghong Song <yonghong.song@linux.dev>
Acked-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Link: https://lore.kernel.org/r/20230822050058.2887354-1-yonghong.song@linux.dev
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
When reviewing local percpu kptr support, Alexei discovered a bug
wherea bpf_kptr_xchg() may succeed even if the map value kptr type and
locally allocated obj type do not match ([1]). Missed struct btf_id
comparison is the reason for the bug. This patch added such struct btf_id
comparison and will flag verification failure if types do not match.
[1] https://lore.kernel.org/bpf/20230819002907.io3iphmnuk43xblu@macbook-pro-8.dhcp.thefacebook.com/#t
Reported-by: Alexei Starovoitov <ast@kernel.org>
Fixes: 738c96d5e2 ("bpf: Allow local kptrs to be exchanged via bpf_kptr_xchg")
Signed-off-by: Yonghong Song <yonghong.song@linux.dev>
Acked-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Link: https://lore.kernel.org/r/20230822050053.2886960-1-yonghong.song@linux.dev
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Use existing function ntb_transport_tx_free_entry() instead of open coding
the check to see if there are outstanding tx descriptors.
Reviewed-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
ntb_transport_tx_free_entry() never returns 0 with the current
calculation. If head == tail, then it would return qp->tx_max_entry.
Change compare to tail >= head and when they are equal, a 0 would be
returned.
Fixes: e74bfeedad ("NTB: Add flow control to the ntb_netdev")
Reviewed-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: renlonglong <ren.longlong@h3c.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
Currently when the transport receive packets after netdev has closed the
transport returns error and triggers tx errors to be incremented and
carrier to be stopped. There is no reason to return error if the device is
already closed. Drop the packet and return 0.
Fixes: e26a5843f7 ("NTB: Split ntb_hw_intel and ntb_transport drivers")
Reported-by: Yuan Y Lu <yuan.y.lu@intel.com>
Tested-by: Yuan Y Lu <yuan.y.lu@intel.com>
Reviewed-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
The tx tail index is not reset when the link goes down. This causes the
tail index to go out of sync when the link goes down and comes back up.
Refactor the ntb_qp_link_down_reset() and reset the tail index as well.
Fixes: 2849b5d706 ("NTB: Reset transport QP link stats on down")
Reported-by: Yuan Y Lu <yuan.y.lu@intel.com>
Tested-by: Yuan Y Lu <yuan.y.lu@intel.com>
Reviewed-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
Presently, if a call to logi_dj_recv_send_report() fails, we do
not learn about the error until after sending short
HID_OUTPUT_REPORT with hid_hw_raw_request().
To handle this somewhat unlikely issue, return on error in
logi_dj_recv_send_report() (minding ugly sleep workaround) and
take into account the result of hid_hw_raw_request().
Found by Linux Verification Center (linuxtesting.org) with static
analysis tool SVACE.
Fixes: 6a9ddc8978 ("HID: logitech-dj: enable notifications on connect/disconnect")
Signed-off-by: Nikita Zhandarovich <n.zhandarovich@fintech.ru>
Link: https://lore.kernel.org/r/20230613101635.77820-1-n.zhandarovich@fintech.ru
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
We read and cache directory contents when we get directory
lease, so we should ask for read permission to read contents
of directory.
Signed-off-by: Bharath SM <bharathsm@microsoft.com>
Reviewed-by: Shyam Prasad N <sprasad@microsoft.com>
Cc: stable@vger.kernel.org
Signed-off-by: Steve French <stfrench@microsoft.com>
When getting the next gt's seqno to be stored into an
objects mm.tlb[gt_id] array, fix the retrieval code
to get it from the correct gt instead of the same one.
Fixes: d6c531ab48 ("drm/i915: Invalidate the TLBs on each GT")
Signed-off-by: Alan Previn <alan.previn.teres.alexis@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230814182449.1060747-1-alan.previn.teres.alexis@intel.com
(cherry picked from commit 90b8ad1353)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Just like blk_mq_alloc_tag_set(), it's better to prepare all tags before
using to map to queue ctxs in blk_mq_map_swqueue(), which now have to
consider empty set->tags[].
The good point is that we can fallback easily if increasing nr_hw_queues
fail, instead of just mapping to hctx[0] when fail in blk_mq_map_swqueue().
And the fallback path already has tags free & clean handling, so all
is good.
Signed-off-by: Chengming Zhou <zhouchengming@bytedance.com>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20230821095602.70742-3-chengming.zhou@linux.dev
Signed-off-by: Jens Axboe <axboe@kernel.dk>
When we increase nr_hw_queues fail, the fallback path will use
blk_mq_update_queue_map() to clear and update all maps.
Obviously, this line of update of HCTX_TYPE_DEFAULT only is not
needed, so delete it.
Signed-off-by: Chengming Zhou <zhouchengming@bytedance.com>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20230821095602.70742-2-chengming.zhou@linux.dev
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Although we don't need to realloc set->tags[] when shrink nr_hw_queues,
we need to free them. Or these tags will be leaked.
How to reproduce:
1. mount -t configfs configfs /mnt
2. modprobe null_blk nr_devices=0 submit_queues=8
3. mkdir /mnt/nullb/nullb0
4. echo 1 > /mnt/nullb/nullb0/power
5. echo 4 > /mnt/nullb/nullb0/submit_queues
6. rmdir /mnt/nullb/nullb0
In step 4, will alloc 9 tags (8 submit queues and 1 poll queue), then
in step 5, new_nr_hw_queues = 5 (4 submit queues and 1 poll queue).
At last in step 6, only these 5 tags are freed, the other 4 tags leaked.
Signed-off-by: Chengming Zhou <zhouchengming@bytedance.com>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20230821095602.70742-1-chengming.zhou@linux.dev
Signed-off-by: Jens Axboe <axboe@kernel.dk>
It's logically correct to call the removal notifiers in the reversed order
as it might be dependent to each other. Luckily, platform_notify_remove()
currently is not used and the others have no dependency use, but theoretically
it's still possible.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20230818133654.767986-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Whe device_add() tries to assign a device name with help of
dev_set_name() the error path explicitly uses -EINVAL, while
the function may return something different.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20230817091221.463721-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Significant alterations have been made to the EDMA v3's register layout.
Now, each channel possesses a separate address space, encapsulating all
channel-related controls and statuses, including IRQs. There are changes
in bit position definitions as well. However, the fundamental control flow
remains analogous to the previous versions.
EDMA v3 was utilized in imx8qm, imx93, and will be in forthcoming chips.
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Link: https://lore.kernel.org/r/20230821161617.2142561-13-Frank.Li@nxp.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Extend Freescale eDMA driver bindings to support eDMA3 IP blocks in
i.MX8QM and i.MX8QXP SoCs. In i.MX93, both eDMA3 and eDMA4 are now.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Link: https://lore.kernel.org/r/20230821161617.2142561-12-Frank.Li@nxp.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
