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We have a common error path where we abort the transaction, but like this
in case we get a transaction abort stack trace we don't know exactly which
previous function call failed. Instead abort the transaction after any
function call that returns an error, so that we can easily identify which
function failed.
Reviewed-by: Daniel Vacek <neelx@suse.com>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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We have a common error path where we abort the transaction, but like this
in case we get a transaction abort stack trace we don't know exactly which
previous function call failed. Instead abort the transaction after any
function call that returns an error, so that we can easily identify which
function failed.
Reviewed-by: Daniel Vacek <neelx@suse.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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If we find an unexpected generation for the extent buffer we are cloning
at btrfs_copy_root(), we just WARN_ON() and don't error out and abort the
transaction, meaning we allow to persist metadata with an unexpected
generation. Instead of warning only, abort the transaction and return
-EUCLEAN.
CC: stable@vger.kernel.org # 6.1+
Reviewed-by: Daniel Vacek <neelx@suse.com>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Instead of having a common btrfs_abort_transaction() call for when any of
the two btrfs_inc_ref() calls fail, move the btrfs_abort_transaction() to
happen immediately after each one of the calls, so that when analyzing a
stack trace with a transaction abort we know which call failed.
Reviewed-by: Daniel Vacek <neelx@suse.com>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Transaction aborts should be done next to the place the error happens,
which was not done in add_block_group_free_space().
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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remove_block_group_free_space()
Transaction aborts should be done next to the place the error happens,
which was not done in remove_block_group_free_space().
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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We have this fuzzy logic at btrfs_recover_log_trees() where we don't
abort the transaction and exit immediately after each function call that
returned an error, and instead have if-then-else logic or check if the
previous function call returned success before calling the next function.
Make the flow more straightforward by immediately aborting the transaction
and exiting after each function call failure. This also allows to avoid
two consecutive if statements that test the same conditions:
if (!ret && wc.stage == LOG_WALK_REPLAY_ALL) {
(...)
}
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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There's no need to call btrfs_release_path() before calling
btrfs_init_root_free_objectid() as we have released the path already at
the top of the loop and the previous call to fixup_inode_link_counts()
also releases the path. So remove it to simplify the code.
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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If we failed walking a log tree during replay, we have a missing
transaction abort to prevent committing a transaction where we didn't
fully replay all the changes from a log tree and therefore can leave the
respective subvolume tree in some inconsistent state. So add the missing
transaction abort.
CC: stable@vger.kernel.org # 6.1+
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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We have a single line doing a transaction abort in case either we got an
error from btrfs_get_fs_root() different from -ENOENT or we got an error
from btrfs_pin_extent_for_log_replay(), making it hard to figure out which
function call failed when looking at a transaction abort massages and
stack trace in dmesg. Change this to have an explicit transaction abort
for each one of the two cases.
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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btrfs_should_periodic_reclaim() is not used outside of space-info.c so
make it static and remove the prototype from space-info.h.
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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When deciding if a zoned filesystem is reaching the threshold to reclaim
data block groups, look at the size of the filesystem not to potentially
total available size of all drives in the filesystem.
Especially if a filesystem was created with mkfs' -b option, constraining
it to only a portion of the block device, the numbers won't match and
potentially garbage collection is kicking in too late.
Fixes: 3687fcb0752a ("btrfs: zoned: make auto-reclaim less aggressive")
CC: stable@vger.kernel.org # 6.1+
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Tested-by: Damien Le Moal <dlemoal@kernel.org>
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Currently, if any error occurs during ath12k_dp_rx_peer_tid_setup(),
the tid value is already incremented, even though the corresponding
TID is not actually allocated. Proceed to
ath12k_dp_rx_peer_tid_delete() starting from unallocated tid,
which might leads to freeing unallocated TID and cause potential
crash or out-of-bounds access.
Hence, fix by correctly decrementing tid before cleanup to match only
the successfully allocated TIDs.
Also, remove tid-- from failure case of ath12k_dp_rx_peer_frag_setup(),
as decrementing the tid before cleanup in loop will take care of this.
Compile tested only.
Signed-off-by: Sarika Sharma <quic_sarishar@quicinc.com>
Reviewed-by: Vasanthakumar Thiagarajan <vasanthakumar.thiagarajan@oss.qualcomm.com>
Link: https://patch.msgid.link/20250721061749.886732-1-quic_sarishar@quicinc.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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Due to the restrict in MAC80211 that DFS (Dynamic Frequency Selection)
can't be enabled on multiple channels, commit 176f3009ae59 ("wifi: ath12k:
support 2 channels for single pdev device") removes DFS support in order
to support 2 channels concurrently, making AP mode not working on DFS
channels [1].
Revert portions of that commit to bring DFS back, and add a new
combination to support 2-channels concurrency. This is valid because the
MAC80211 restrict works on each individual combination, but does not care
about them as a whole, as far as DFS is concerned.
This change applies to WCN7850 only, other chips are not affected.
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.1.c5-00284.1-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3
Fixes: 176f3009ae59 ("wifi: ath12k: support 2 channels for single pdev device")
Reported-by: Mihai Moldovan <ionic@ionic.de>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=220346 # 1
Signed-off-by: Baochen Qiang <baochen.qiang@oss.qualcomm.com>
Reviewed-by: Vasanthakumar Thiagarajan <vasanthakumar.thiagarajan@oss.qualcomm.com>
Tested-by: Mihai Moldovan <ionic@ionic.de>
Link: https://patch.msgid.link/20250721-ath12k-dfs-v1-1-065c31454f91@oss.qualcomm.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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Prefer {} to {0} in initializers since {} works even when the first
member is not a scalar.
Generated using:
sed -i 's/{[[:space:]]*0[[:space:]]*}/{}/g' drivers/net/wireless/ath/ath12k/*
Compile tested only.
Link: https://patch.msgid.link/20250720-ath12k-zero-brace-v1-1-d8c8ca9d40a8@oss.qualcomm.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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Prefer {} to {0} in initializers since {} works even when the first
member is not a scalar.
Generated using:
sed -i 's/{[[:space:]]*0[[:space:]]*}/{}/g' drivers/net/wireless/ath/ath11k/*
Compile tested only.
Link: https://patch.msgid.link/20250720-ath11k-zero-brace-v1-1-6132e2ef1748@oss.qualcomm.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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Prefer {} to {0} in initializers since {} works even when the first
member is not a scalar.
Generated using:
sed -i 's/{[[:space:]]*0[[:space:]]*}/{}/g' drivers/net/wireless/ath/ath10k/*
Compile tested only.
Link: https://patch.msgid.link/20250720-ath10k-zero-brace-v1-1-c1ee818d6238@oss.qualcomm.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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The power_domain_target event event is only called when CONFIG_OMAP2PLUS
is defined. As each event can take up to 5K regardless if they are used or
not, it's best not to define them when they are not used. Add #ifdef
around these events when they are not used.
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/20250612145408.415483176@goodmis.org
Acked-by: Rafael J. Wysocki <rafael@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
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The events device_pm_callback_start and device_pm_callback_end events are
only called when CONFIG_PM_SLEEP is defined. As each event can take up to
5K regardless if they are used or not, it's best not to define them when
they are not used. Add #ifdef around these events when they are not used.
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/20250612145408.246703478@goodmis.org
Acked-by: Rafael J. Wysocki <rafael@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
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The events psci_domain_idle_enter and psci_domain_idle_exit events are
only called when CONFIG_ARM_PSCI_CPUIDLE is defined. As each event can
take up to 5K (less for DEFINE_EVENT()) regardless if they are used or
not, it's best not to define them when they are not used. Add #ifdef
around these events when they are not used.
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/20250612145408.074769245@goodmis.org
Acked-by: Rafael J. Wysocki <rafael@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
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As the trace event powernv_throttle is only used by the powernv code, move
it to a separate include file and have that code directly enable it.
Trace events can take up around 5K of memory when they are defined
regardless if they are used or not. It wastes memory to have them defined
in configurations where the tracepoint is not used.
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/20250612145407.906308844@goodmis.org
Fixes: 0306e481d479a ("cpufreq: powernv/tracing: Add powernv_throttle tracepoint")
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Rafael J. Wysocki <rafael@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
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The trace event alarmtimer_suspend is only called when RTC_CLASS is
defined. As every event created can create up to 5K of text and meta data
regardless if it is called or not it should not be created and waste
memory. Hide the event when CONFIG_RTC_CLASS is not defined.
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/20250612095828.6d75dfa3@batman.local.home
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
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The event aer_event is only used when CONFIG_PCIEAER is configured. It
should not be created when it is not. When an event is created it creates
around 5K of text and meta data regardless if the tracepoint is used or
not. Instead of wasting this memory, put #ifdef around the event to not
create it when it is not used.
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Tony Luck <tony.luck@intel.com>
Link: https://lore.kernel.org/20250612094932.4a08abd6@batman.local.home
Acked-by: Borislav Petkov (AMD) <bp@alien8.de>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
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As ktest.pl can run in various different directories, to make sure the
test is running in the proper directory with the proper source and proper
destination directory, display the content of BUILD_DIR and OUTPUT_DIR at
the start of every test.
This can be helpful for the test runner to stop the test if a test is
running in the wrong location instead of finding out after the test has
completed.
Cc: "John Warthog9 Hawley" <warthog9@kernel.org>
Cc: Dhaval Giani <dhaval.giani@gmail.com>
Cc: Greg KH <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/20250718202053.898022631@kernel.org
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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If a default variable contains itself, do not recurse on it.
For example:
ADD_CONFIG := ${CONFIG_DIR}/temp_config
DEFAULTS
ADD_CONFIG = ${CONFIG_DIR}/default_config ${ADD_CONFIG}
The above works because the temp variable ADD_CONFIG (is a temp because it
is created with ":=") is already defined, it will be substituted in the
variable option. But if it gets commented out:
# ADD_CONFIG := ${CONFIG_DIR}/temp_config
DEFAULTS
ADD_CONFIG = ${CONFIG_DIR}/default_config ${ADD_CONFIG}
Then the above will go into a recursive loop where ${ADD_CONFIG} will
get replaced with the current definition of ADD_CONFIG which contains the
${ADD_CONFIG} and that will also try to get converted. ktest.pl will error
after 100 attempts of recursion and fail.
When replacing a variable with the default variable, if the default
variable contains itself, do not replace it.
Cc: "John Warthog9 Hawley" <warthog9@kernel.org>
Cc: Dhaval Giani <dhaval.giani@gmail.com>
Cc: Greg KH <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/20250718202053.732189428@kernel.org
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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Allow -DBUILD_TYPE=boot work the same as -D BUILD_TYPE=boot just like
normal single character option does in most applications.
Cc: "John Warthog9 Hawley" <warthog9@kernel.org>
Cc: Dhaval Giani <dhaval.giani@gmail.com>
Cc: Greg KH <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/20250718202053.567246162@kernel.org
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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Currently -D only updates the persistent options that are defined with
"=". Allow it to also override all temp variables that are defined with
":=".
ktest.pl -D 'USE_TEMP_DIR:=1' -D 'TEST_TYPE[2]=build' config
Cc: "John Warthog9 Hawley" <warthog9@kernel.org>
Cc: Dhaval Giani <dhaval.giani@gmail.com>
Cc: Greg KH <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/20250718202053.399653933@kernel.org
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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Add -D option that lets the user override options in the config.
For instance, if the config has: BUILD_NOCLEAN=1 which prevents mrproper
from being called before builds, and the user wants to call it once. The
user can run:
ktest -D BUILD_NOCLEAN=0 config
And the default "BUILD_NOCLEAN" options will be disabled.
If the user wants to change the second test to do a build and not boot,
the user can run:
ktest -D 'TEST_TYPE[2]=build' config
Where the '[#]' is for the test to assign the variable for. In the above
example, it will happen on test 2.
Cc: "John Warthog9 Hawley" <warthog9@kernel.org>
Cc: Dhaval Giani <dhaval.giani@gmail.com>
Cc: Greg KH <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/20250718202053.231478909@kernel.org
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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Add the compatible string for Tegra210B01 SOC_THERM
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Aaron Kling <webgeek1234@gmail.com>
Link: https://lore.kernel.org/r/20250720-t210b01-v2-5-9cb209f1edfc@gmail.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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and MT8516
The ‘mediatek,mt7981-thermal’ and ‘mediatek,mt8516-thermal’ strings
aren't definied in the driver. Both should have fallback compatible
strings. This commit fixes this issue.
Fixes: 788494ba0999 ("dt-bindings: thermal: convert Mediatek Thermal to the json-schema")
Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Rafał Miłecki <rafal@milecki.pl>
Link: https://lore.kernel.org/r/20250712195904.6988-2-olek2@wp.pl
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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The upper layer may require the link ID to properly handle
unexpected frames. For instance, if hostapd, operating as an
AP MLD, receives a data frame from a non-associated STA,
it must send deauthentication to the link on which the STA is
operating.
Signed-off-by: Michael-CY Lee <michael-cy.lee@mediatek.com>
Reviewed-by: Money Wang <money.wang@mediatek.com>
Link: https://patch.msgid.link/20250721065159.1740992-1-michael-cy.lee@mediatek.com
[edit commit message]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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based on frequency
For broadcast frames, every interface might have to process it and
therefore the link_id cannot be determined in the driver.
In mac80211, when the frame is about to be forwarded to each interface,
we can use the member "freq" in struct ieee80211_rx_status to determine
the "link_id" for each interface.
Signed-off-by: Michael-CY Lee <michael-cy.lee@mediatek.com>
Reviewed-by: Money Wang <money.wang@mediatek.com>
Link: https://patch.msgid.link/20250721062929.1662700-1-michael-cy.lee@mediatek.com
[simplify, remove unnecessary link->conf check]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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CYW54591 is a variant of BCM4355 silicon with the same chipid. In the
chipid-fwname mapping table, apply chiprev 13 to identify CYW54591.
Skip reading OTP process for CYW chip since it contains vendor specific
information which is not common for cypress.
Signed-off-by: Double Lo <double.lo@cypress.com>
Signed-off-by: Chi-hsien Lin <chi-hsien.lin@cypress.com>
Signed-off-by: Ian Lin <ian.lin@infineon.com>
Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Link: https://patch.msgid.link/20250624093453.7264-1-ian.lin@infineon.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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After commit bd99a3013bdc ("brcmfmac: move configuration of probe request
IEs"), the probe request MGMT IE addition operation brcmf_vif_set_mgmt_ie()
got moved from the brcmf_p2p_scan_prep() to the brcmf_cfg80211_scan().
Because of this, as part of the scan request handler for the P2P Discovery,
vif struct used for adding the Probe Request P2P IE in firmware got changed
from the P2PAPI_BSSCFG_DEVICE vif to P2PAPI_BSSCFG_PRIMARY vif incorrectly.
So the firmware stopped adding P2P IE to the outgoing P2P Discovery probe
requests frames and the other P2P peers were unable to discover this device
causing a regression on the P2P feature.
To fix this, while setting the P2P IE in firmware, properly use the vif of
the P2P discovery wdev on which the driver received the P2P scan request.
This is done by not changing the vif pointer, until brcmf_vif_set_mgmt_ie()
is completed.
Fixes: bd99a3013bdc ("brcmfmac: move configuration of probe request IEs")
Signed-off-by: Gokul Sivakumar <gokulkumar.sivakumar@infineon.com>
Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Link: https://patch.msgid.link/20250626050706.7271-1-gokulkumar.sivakumar@infineon.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Management frames sent by userspace should never have the
order/HTC bit set, reject that. It could also cause some
confusion with the length of the buffer and the header so
the validation might end up wrong.
Link: https://patch.msgid.link/20250718202307.97a0455f0f35.I1805355c7e331352df16611839bc8198c855a33f@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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It is no longer used, remove it.
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250721091956.e964ceacd85c.Idecab8ef161fa58e000b3969bc936399284b79f0@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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clk-amlogic
Pull Amlogic clk driver updates from Jerome Brunet:
- Use the auxiliary reset controller implementation in the
Amlogic axg-audio, instead of implementing the reset
controller in drivers/clk
- Drop unnecessary clock controller headers for Amlogic drivers
- Drop clock controller big regmap tables in the Amlogic drivers
* tag 'clk-meson-v6.17-1' of https://github.com/BayLibre/clk-meson:
clk: amlogic: s4: remove unused data
clk: amlogic: drop clk_regmap tables
clk: amlogic: get regmap with clk_regmap_init
clk: amlogic: remove unnecessary headers
clk: amlogic: axg-audio: use the auxiliary reset driver
clk: tests: add clk_hw_get_dev() and clk_hw_get_of_node() tests
clk: tests: Make clk_register_clk_parent_data_device_driver() common
clk: add a clk_hw helpers to get the clock device or device_node
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As described by Vitaly Lifshits:
> Starting from Tiger Lake, LAN NVM is locked for writes by SW, so the
> driver cannot perform checksum validation and correction. This means
> that all NVM images must leave the factory with correct checksum and
> checksum valid bit set.
Unfortunately some systems have left the factory with an uninitialized
value of 0xFFFF at register address 0x3F (checksum word location).
So on Tiger Lake platform we ignore the computed checksum when such
condition is encountered.
Signed-off-by: Jacek Kowalski <jacek@jacekk.info>
Tested-by: Vlad URSU <vlad@ursu.me>
Fixes: 4051f68318ca9 ("e1000e: Do not take care about recovery NVM checksum")
Cc: stable@vger.kernel.org
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Vitaly Lifshits <vitaly.lifshits@intel.com>
Tested-by: Mor Bar-Gabay <morx.bar.gabay@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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As described by Vitaly Lifshits:
> Starting from Tiger Lake, LAN NVM is locked for writes by SW, so the
> driver cannot perform checksum validation and correction. This means
> that all NVM images must leave the factory with correct checksum and
> checksum valid bit set. Since Tiger Lake devices were the first to have
> this lock, some systems in the field did not meet this requirement.
> Therefore, for these transitional devices we skip checksum update and
> verification, if the valid bit is not set.
Signed-off-by: Jacek Kowalski <jacek@jacekk.info>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Vitaly Lifshits <vitaly.lifshits@intel.com>
Fixes: 4051f68318ca9 ("e1000e: Do not take care about recovery NVM checksum")
Cc: stable@vger.kernel.org
Tested-by: Mor Bar-Gabay <morx.bar.gabay@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Add check for the return value of devm_kmemdup()
to prevent potential null pointer dereference.
Fixes: c76488109616 ("ice: Implement Dynamic Device Personalization (DDP) download")
Cc: stable@vger.kernel.org
Signed-off-by: Haoxiang Li <haoxiang_li2024@163.com>
Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Rinitha S <sx.rinitha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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When the PF is processing an Admin Queue message to delete a VF's MACs
from the MAC filter, we currently check if the PF set the MAC and if
the VF is trusted.
This results in undesirable behaviour, where if a trusted VF with a
PF-set MAC sets itself down (which sends an AQ message to delete the
VF's MAC filters) then the VF MAC is erased from the interface.
This results in the VF losing its PF-set MAC which should not happen.
There is no need to check for trust at all, because an untrusted VF
cannot change its own MAC. The only check needed is whether the PF set
the MAC. If the PF set the MAC, then don't erase the MAC on link-down.
Resolve this by changing the deletion check only for PF-set MAC.
(the out-of-tree driver has also intentionally removed the check for VF
trust here with OOT driver version 2.26.8, this changes the Linux kernel
driver behaviour and comment to match the OOT driver behaviour)
Fixes: ea2a1cfc3b201 ("i40e: Fix VF MAC filter removal")
Signed-off-by: Jamie Bainbridge <jamie.bainbridge@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Rafal Romanowski <rafal.romanowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Currently the tx_dropped field in VF stats is not updated correctly
when reading stats from the PF. This is because it reads from
i40e_eth_stats.tx_discards which seems to be unused for per VSI stats,
as it is not updated by i40e_update_eth_stats() and the corresponding
register, GLV_TDPC, is not implemented[1].
Use i40e_eth_stats.tx_errors instead, which is actually updated by
i40e_update_eth_stats() by reading from GLV_TEPC.
To test, create a VF and try to send bad packets through it:
$ echo 1 > /sys/class/net/enp2s0f0/device/sriov_numvfs
$ cat test.py
from scapy.all import *
vlan_pkt = Ether(dst="ff:ff:ff:ff:ff:ff") / Dot1Q(vlan=999) / IP(dst="192.168.0.1") / ICMP()
ttl_pkt = IP(dst="8.8.8.8", ttl=0) / ICMP()
print("Send packet with bad VLAN tag")
sendp(vlan_pkt, iface="enp2s0f0v0")
print("Send packet with TTL=0")
sendp(ttl_pkt, iface="enp2s0f0v0")
$ ip -s link show dev enp2s0f0
16: enp2s0f0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP mode DEFAULT group default qlen 1000
link/ether 3c:ec:ef:b7:e0:ac brd ff:ff:ff:ff:ff:ff
RX: bytes packets errors dropped missed mcast
0 0 0 0 0 0
TX: bytes packets errors dropped carrier collsns
0 0 0 0 0 0
vf 0 link/ether e2:c6:fd:c1:1e:92 brd ff:ff:ff:ff:ff:ff, spoof checking on, link-state auto, trust off
RX: bytes packets mcast bcast dropped
0 0 0 0 0
TX: bytes packets dropped
0 0 0
$ python test.py
Send packet with bad VLAN tag
.
Sent 1 packets.
Send packet with TTL=0
.
Sent 1 packets.
$ ip -s link show dev enp2s0f0
16: enp2s0f0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP mode DEFAULT group default qlen 1000
link/ether 3c:ec:ef:b7:e0:ac brd ff:ff:ff:ff:ff:ff
RX: bytes packets errors dropped missed mcast
0 0 0 0 0 0
TX: bytes packets errors dropped carrier collsns
0 0 0 0 0 0
vf 0 link/ether e2:c6:fd:c1:1e:92 brd ff:ff:ff:ff:ff:ff, spoof checking on, link-state auto, trust off
RX: bytes packets mcast bcast dropped
0 0 0 0 0
TX: bytes packets dropped
0 0 0
A packet with non-existent VLAN tag and a packet with TTL = 0 are sent,
but tx_dropped is not incremented.
After patch:
$ ip -s link show dev enp2s0f0
19: enp2s0f0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP mode DEFAULT group default qlen 1000
link/ether 3c:ec:ef:b7:e0:ac brd ff:ff:ff:ff:ff:ff
RX: bytes packets errors dropped missed mcast
0 0 0 0 0 0
TX: bytes packets errors dropped carrier collsns
0 0 0 0 0 0
vf 0 link/ether 4a:b7:3d:37:f7:56 brd ff:ff:ff:ff:ff:ff, spoof checking on, link-state auto, trust off
RX: bytes packets mcast bcast dropped
0 0 0 0 0
TX: bytes packets dropped
0 0 2
Fixes: dc645daef9af5bcbd9c ("i40e: implement VF stats NDO")
Signed-off-by: Dennis Chen <dechen@redhat.com>
Link: https://www.intel.com/content/www/us/en/content-details/596333/intel-ethernet-controller-x710-tm4-at2-carlsville-datasheet.html
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Rafal Romanowski <rafal.romanowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into clk-allwinner
Pull Allwinner clk driver updates from Chen-Yu Tsai:
- Add Allwinner A523's missing PPU0 reset (both DT binding and
driver) The binding change is shared with the soc tree.
- Fix Allwinner V3s DE clock mux field width
- Stop passing rate change requests to parent for Allwinner V3s
DE clock
- Force and lock Allwinner V3s DE and TCON clocks to the same
parent, the video PLL
* tag 'sunxi-clk-for-6.17' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
clk: sunxi-ng: ccu_nm: convert from round_rate() to determine_rate()
clk: sunxi-ng: ccu_nkmp: convert from round_rate() to determine_rate()
clk: sunxi-ng: ccu_nk: convert from round_rate() to determine_rate()
clk: sunxi-ng: ccu_gate: convert from round_rate() to determine_rate()
clk: sunxi-ng: v3s: Assign the de and tcon clocks to the video pll
clk: sunxi-ng: v3s: Fix de clock definition
clk: sunxi-ng: sun55i-a523-r-ccu: Add missing PPU0 reset
dt-bindings: reset: sun55i-a523-r-ccu: Add missing PPU0 reset
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Commit 13423063c7cb ("arm64: kvm, smccc: Introduce and use API for
getting hypervisor UUID") replaced the explicit register constants
with the UUID_INIT macro. However, there is an endian issue, meaning
the UUID generated and used in the handshake didn't match UUID prior to
the commit.
The change in UUID causes the SMCCC vendor handshake to fail with older
guest kernels, meaning devices such as PTP were not available in the
guest.
This patch updates the parameters to the macro to generate a UUID which
matches the previous value, and re-establish backwards compatibility
with older guest kernels.
Fixes: 13423063c7cb ("arm64: kvm, smccc: Introduce and use API for getting hypervisor UUID")
Signed-off-by: Jack Thomson <jackabt@amazon.com>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Tested-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>
Link: https://lore.kernel.org/r/20250721130558.50823-1-jackabt.amazon@gmail.com
Signed-off-by: Will Deacon <will@kernel.org>
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https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into clk-fixes
Pull Allwinner clock fixes from Chen-Yu Tsai:
- Mark A523 MBUS clock as critical
- Fix names of CSI related clocks on V3s
This includes changes to the driver, DT bindings and DT files.
- Fix parents of TCON clock on V3s
* tag 'sunxi-clk-fixes-for-6.16' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
clk: sunxi-ng: v3s: Fix TCON clock parents
clk: sunxi-ng: v3s: Fix CSI1 MCLK clock name
clk: sunxi-ng: v3s: Fix CSI SCLK clock name
clk: sunxi-ng: a523: Mark MBUS clock as critical
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Qualcomm Milos SoC
Document the RPMh Network-On-Chip Interconnect of the Milos (e.g.
SM7635) SoC.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
Link: https://lore.kernel.org/r/20250709-sm7635-icc-v3-1-c446203c3b3a@fairphone.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
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We currently always expose FEAT_RAS when available on the host.
As we are about to make this feature selectable from userspace,
check for it being present before emulating register accesses
as RAZ/WI, and inject an UNDEF otherwise.
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20250721101955.535159-4-maz@kernel.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
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Most HCR_EL2 bits are not supposed to affect EL2 at all, but only
the guest. However, we gladly merge these bits with the host's
HCR_EL2 configuration, irrespective of entering L1 or L2.
This leads to some funky behaviour, such as L1 trying to inject
a virtual SError for L2, and getting a taste of its own medecine.
Not quite what the architecture anticipated.
In the end, the only bits that matter are those we have defined as
invariants, either because we've made them RESx (E2H, HCD...), or
that we actively refuse to merge because the mess with KVM's own
logic.
Use the sanitisation infrastructure to get the RES1 bits, and let
things rip in a safer way.
Fixes: 04ab519bb86df ("KVM: arm64: nv: Configure HCR_EL2 for FEAT_NV2")
Signed-off-by: Marc Zyngier <maz@kernel.org>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20250721101955.535159-3-maz@kernel.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
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Mark Brown reports that since we commit to making exceptions
visible without the vcpu being loaded, the external abort selftest
fails.
Upon investigation, it turns out that the code that makes registers
affected by an exception visible to the guest is completely broken
on VHE, as we don't check whether the system registers are loaded
on the CPU at this point. We managed to get away with this so far,
but that's obviously as bad as it gets,
Add the required checksm and document the absolute need to check
for the SYSREGS_ON_CPU flag before calling into any of the
__vcpu_write_sys_reg_to_cpu()__vcpu_read_sys_reg_from_cpu() helpers.
Reported-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/18535df8-e647-4643-af9a-bb780af03a70@sirena.org.uk
Link: https://lore.kernel.org/r/20250720102229.179114-1-maz@kernel.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
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https://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into soc/drivers
soc/tegra: Updates for v6.17-rc1
The bulk of this is the addition of Tegra264 support for various low-
level components. This also adds fabric descriptors for the new Tegra254
and Tegra264 chips.
* tag 'tegra-for-6.17-soc' of https://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
soc/tegra: cbb: Add support for CBB fabrics in Tegra254
soc/tegra: cbb: Add support for CBB fabrics in Tegra264
soc/tegra: cbb: Support HW lookup to get timed out target address
soc/tegra: cbb: Improve handling for per SoC fabric data
soc/tegra: cbb: Make error interrupt enable and status per SoC
soc/tegra: cbb: Change master/slave to initiator/target
soc/tegra: cbb: Clear ERR_FORCE register with ERR_STATUS
soc/tegra: Add Tegra264 APBMISC compatible string
soc/tegra: pmc: Add Tegra264 support
soc/tegra: Enable support for Tegra264
Link: https://lore.kernel.org/r/20250711220943.2389322-1-thierry.reding@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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