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>
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: 0306e481d4 ("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>
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>
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>
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>
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>
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>
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>
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>
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: 788494ba09 ("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>
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>
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>
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>
After commit bd99a3013b ("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: bd99a3013b ("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>
* Use the auxiliary reset controller implementation in the axg-audio,
instead of implementing the reset controller in clock.
* Drop unnecessary clock controller headers
* Drop clock controller big regmap tables
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Merge tag 'clk-meson-v6.17-1' of https://github.com/BayLibre/clk-meson into 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
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: 4051f68318 ("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>
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: 4051f68318 ("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>
Add check for the return value of devm_kmemdup()
to prevent potential null pointer dereference.
Fixes: c764881096 ("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>
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: ea2a1cfc3b ("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>
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: dc645daef9 ("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>
- Add A523's missing PPU0 reset (both DT binding and driver)
The binding change is shared with the soc tree.
- Fix V3s DE clock mux field width
- Stop passing rate change requests to parent for V3s DE clock
- Force and lock V3s DE and TCON clocks to the same parent, the video PLL
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Merge tag 'sunxi-clk-for-6.17' of 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
Commit 13423063c7 ("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: 13423063c7 ("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>
- 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
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Merge tag 'sunxi-clk-fixes-for-6.16' of 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
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>
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>
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: 04ab519bb8 ("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>
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>
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.
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Merge tag 'tegra-for-6.17-soc' of 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>
The conversion to using the new GPIO line setter callbacks missed the
set_multiple() in this file. Convert it to using the new callback.
Fixes: 52ccf19527 ("soc: fsl: qe: use new GPIO line value setter callbacks")
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
struct gpio_chip now has callbacks for setting line values that return
an integer, allowing to indicate failures. Convert the driver to using
them.
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Andrea della Porta <andrea.porta@suse.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
With the Opaque<T>, the expectations are that Rust should not
make any assumptions on the layout or invariants of the wrapped
C types. That runs rather counter to ioctl arguments, which must
adhere to certain data-layout constraints. By using Opaque<T>,
ioctl handlers are forced to use unsafe code where none is actually
needed. This adds needless complexity and maintenance overhead,
brining no safety benefits.
Drop the use of Opaque for ioctl arguments as that is not the best
fit here.
Signed-off-by: Beata Michalska <beata.michalska@arm.com>
Reviewed-by: Boqun Feng <boqun.feng@gmail.com>
Reviewed-by: Daniel Almeida <daniel.almeida@collabora.com>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Link: https://lore.kernel.org/r/20250626162313.2755584-1-beata.michalska@arm.com
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
In SpacemiT's K1 SoC, the clocks for UART are mandatory needed, so
for DT, both clocks and clock-names property should be set as required.
Fixes: 2c0594f9f0 ("dt-bindings: serial: 8250: support an optional second clock")
Signed-off-by: Yixun Lan <dlan@gentoo.org>
Acked-by: "Rob Herring (Arm)" <robh@kernel.org>
Link: https://lore.kernel.org/r/20250718-01-k1-uart-binding-v1-1-a92e1e14c836@gentoo.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Document SCIF bindings for the Renesas RZ/V2N (a.k.a R9A09G056) SoC.
The SCIF interface in Renesas RZ/V2N is identical to the one available
in RZ/V2H(P), so `renesas,scif-r9a09g057` will be used as a fallback,
allowing reuse of the existing driver without modifications.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Acked-by: "Rob Herring (Arm)" <robh@kernel.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20250716202923.163950-1-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
On i386, when
CONFIG_X86_INTEL_CE=y
# CONFIG_SERIAL_8250 is not set
it will try to compile the driver and use the stub simultaneously.
This breaks the build. Fix it by making sure that the driver
compiles only when CONFIG_SERIAL_8250 is also enabled.
On top of that ensure that CONFIG_SERIAL_8250 is actually set to 'y'
and not 'm' as the later makes no sense for this platform. The hook
may only be applied during early boot.
Fixes: acc902de05 ("serial: 8250: Move CE4100 quirks to a module under 8250 driver")
Fixes: 5ec6960f6f ("ce4100: Add errata fixes for UART on CE4100")
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Closes: https://lore.kernel.org/r/cdf4ee46-7bf8-4379-9245-fed9db72e7e8@infradead.org
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20250716142412.1667927-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
1. Multiple SoCs (including Samsung, Apple): switch sound to module from
a built-in, because it is not necessary for booting. Also drop
redundant sound codec options.
2. Enable PMIC drivers for Google GS101 Pixel 6 phones: MAX77759 and
Samsung PMIC over ACPM protocol.
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Merge tag 'samsung-defconfig-6.17' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into soc/defconfig
Samsung SoC defconfig changes for v6.17
1. Multiple SoCs (including Samsung, Apple): switch sound to module from
a built-in, because it is not necessary for booting. Also drop
redundant sound codec options.
2. Enable PMIC drivers for Google GS101 Pixel 6 phones: MAX77759 and
Samsung PMIC over ACPM protocol.
* tag 'samsung-defconfig-6.17' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
arm64: defconfig: enable Samsung PMIC over ACPM
arm64: defconfig: enable Maxim max77759 driver
arm64: defconfig: Drop unneeded unselectable sound drivers
arm64: defconfig: Switch SOUND to module
Link: https://lore.kernel.org/r/20250709191523.171359-4-krzysztof.kozlowski@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes and New HW Support
- alienware-wmi-wmax:
- Add AWCC support for Alienware Area-51m and m15 R5.
- Fix `dmi_system_id` array termination
- arm64: huawei-gaokun-ec: fix OF node leak
- dell-ddv: Fix taking psy->extensions_sem twice
- dell-lis3lv02d: Add Precision 3551 accelerometer support
- firmware_attributes_class: Fix initialization order
- ideapad-laptop: Retain FnLock and kbd backlight across boots
- lenovo-wmi-hotkey: Avoid triggering error -5 due to missing mute LED
- mellanox: mlxbf-pmc: Validate event names and bool input
- power: supply: Add get/set property direct to allow avoiding taking
psy->extensions_sem twice from power supply extensions
The following is an automated shortlog grouped by driver:
alieneware-wmi-wmax:
- Add AWCC support to more laptops
alienware-wmi-wmax:
- Fix `dmi_system_id` array
arm64: huawei-gaokun-ec:
- fix OF node leak
dell-ddv:
- Fix taking the psy->extensions_sem lock twice
dell-lis3lv02d:
- Add Precision 3551
Fix initialization order for firmware_attributes_class:
- Fix initialization order for firmware_attributes_class
ideapad-laptop:
- Fix FnLock not remembered among boots
- Fix kbd backlight not remembered among boots
lenovo-wmi-hotkey:
- Avoid triggering error -5 due to missing mute LED
MAINTAINERS:
- Update entries for IFS and SBL drivers
mlxbf-pmc:
- Remove newline char from event name input
- Use kstrtobool() to check 0/1 input
- Validate event/enable input
power: supply: core:
- Add power_supply_get/set_property_direct()
power: supply: test-power:
- Test access to extended power supply
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Merge tag 'platform-drivers-x86-v6.16-4' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform drivers fixes from Ilpo Järvinen:
- power supply code:
- Add get/set property direct to allow avoiding taking
psy->extensions_sem twice from power supply extensions
- alienware-wmi-wmax:
- Add AWCC support for Alienware Area-51m and m15 R5
- Fix `dmi_system_id` array termination
- arm64: huawei-gaokun-ec: fix OF node leak
- dell-ddv: Fix taking psy->extensions_sem twice
- dell-lis3lv02d: Add Precision 3551 accelerometer support
- firmware_attributes_class: Fix initialization order
- ideapad-laptop: Retain FnLock and kbd backlight across boots
- lenovo-wmi-hotkey: Avoid triggering error -5 due to missing mute LED
- mellanox: mlxbf-pmc: Validate event names and bool input
* tag 'platform-drivers-x86-v6.16-4' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
MAINTAINERS: Update entries for IFS and SBL drivers
platform/x86: dell-lis3lv02d: Add Precision 3551
platform/x86: alieneware-wmi-wmax: Add AWCC support to more laptops
platform/x86: Fix initialization order for firmware_attributes_class
platform: arm64: huawei-gaokun-ec: fix OF node leak
lenovo-wmi-hotkey: Avoid triggering error -5 due to missing mute LED
platform/x86: ideapad-laptop: Fix kbd backlight not remembered among boots
platform/x86: ideapad-laptop: Fix FnLock not remembered among boots
platform/mellanox: mlxbf-pmc: Use kstrtobool() to check 0/1 input
platform/mellanox: mlxbf-pmc: Validate event/enable input
platform/mellanox: mlxbf-pmc: Remove newline char from event name input
platform/x86: dell-ddv: Fix taking the psy->extensions_sem lock twice
power: supply: test-power: Test access to extended power supply
power: supply: core: Add power_supply_get/set_property_direct()
platform/x86: alienware-wmi-wmax: Fix `dmi_system_id` array
Add device tree entries for GPUs in M-series SoCs
Reviewed-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Reviewed-by: Sven Peter <sven@kernel.org>
Signed-off-by: Sasha Finkelstein <fnkl.kernel@gmail.com>
Link: https://lore.kernel.org/r/20250710-sgx-dt-v3-2-299bb3a65109@gmail.com
Signed-off-by: Sven Peter <sven@kernel.org>
Add bindings for the GPU present in Apple SoCs
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Sven Peter <sven@kernel.org>
Signed-off-by: Sasha Finkelstein <fnkl.kernel@gmail.com>
Link: https://lore.kernel.org/r/20250710-sgx-dt-v3-1-299bb3a65109@gmail.com
Signed-off-by: Sven Peter <sven@kernel.org>
Now that the dt-binding has been extended to allow indicating the bit
position the following warning about a duplicate unit address with W=1
can be fixed:
arch/arm64/boot/dts/apple/t8103.dtsi:764.46-767.8: Warning (unique_unit_address_if_enabled): /soc/spmi@23d0d9300/pmic@f/nvmem-layout/boot-error-count@9f02: duplicate unit-address (also used in node /soc/spmi@23d0d9300/pmic@f/nvmem-layout/panic-count@9f02)
Fixes: d8bf82081c ("arm64: dts: apple: Add PMIC NVMEM")
Link: https://lore.kernel.org/r/20250610-nvmem-bit-pattern-v1-2-55ed5c1b369c@kernel.org
Signed-off-by: Sven Peter <sven@kernel.org>
Patches from Peter Chen <peter.chen@cixtech.com>:
Cixtech P1 (internal name sky1) is high performance generic Armv9 SoC.
Orion O6 is the Arm V9 Motherboard built by Radxa. You could find brief
introduction for SoC and related boards at:
https://radxa.com/products/orion/o6#overview
Currently, to run upstream kernel at Orion O6 board, you need to
use BIOS released by Radxa, and add "clk_ignore_unused=1" at bootargs.
https://docs.radxa.com/en/orion/o6/bios/install-bios
In this series, we add initial SoC and board support for Kernel building.
Since mailbox is used for SCMI clock communication, mailbox driver is added
in this series for the minimum SoC support.
Patch 1-2: add dt-binding doc for CIX and its sky1 SoC
Patch 3: add Arm64 build support
Patch 4-5: add CIX mailbox driver which needs to support SCMI clock protocol.
Patch 6: add Arm64 defconfig support
Patch 7-8: add initial dts support for SoC and Orion O6 board
Patch 9: add MAINTAINERS entry
* newsoc/cix-p1:
MAINTAINERS: Add CIX SoC maintainer entry
arm64: dts: cix: Add sky1 base dts initial support
dt-bindings: clock: cix: Add CIX sky1 scmi clock id
arm64: defconfig: Enable CIX SoC
mailbox: add CIX mailbox driver
dt-bindings: mailbox: add cix,sky1-mbox
arm64: Kconfig: add ARCH_CIX for cix silicons
dt-bindings: arm: add CIX P1 (SKY1) SoC
dt-bindings: vendor-prefixes: Add CIX Technology Group Co., Ltd.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Using this entry as the maintainers information for CIX SoCs.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Fugang Duan <fugang.duan@cixtech.com>
Signed-off-by: Peter Chen <peter.chen@cixtech.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
CIX SKY1 SoC is high performance Armv9 SoC designed by Cixtech,
and Orion O6 is the motherboard launched by Radxa. See below for
detail:
https://docs.radxa.com/en/orion/o6/getting-started/introduction
In this commit, it only adds limited components for running initramfs
at Orion O6.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Tested-by: Enric Balletbo i Serra <eballetb@redhat.com>
Tested-by: Kajetan Puchalski <kajetan.puchalski@arm.com>
Signed-off-by: Peter Chen <peter.chen@cixtech.com>
Signed-off-by: Guomin Chen <Guomin.Chen@cixtech.com>
Signed-off-by: Gary Yang <gary.yang@cixtech.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Add device tree bindings for the scmi clock id on
Cix sky1 platform.
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Peter Chen <peter.chen@cixtech.com>
Signed-off-by: Gary Yang <gary.yang@cixtech.com>
Signed-off-by: Peter Chen <peter.chen@cixtech.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- Enable CIX SoC support at ARM64 defconfig
- Enable CIX mailbox
At CIX SoC platforms, the clock handling uses Arm SCMI protocol,
the physical clock access is at sub processor, so it needs to enable
mailbox by default.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Peter Chen <peter.chen@cixtech.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The CIX mailbox controller, used in the Cix SoCs, like sky1.
facilitates message transmission between multiple processors
within the SoC, such as the AP, PM, audio DSP, SensorHub MCU,
and others.
Acked-by: Jassi Brar <jassisinghbrar@gmail.com>
Reviewed-by: Peter Chen <peter.chen@cixtech.com>
Signed-off-by: Guomin Chen <Guomin.Chen@cixtech.com>
Signed-off-by: Gary Yang <gary.yang@cixtech.com>
Signed-off-by: Lihua Liu <Lihua.Liu@cixtech.com>
Signed-off-by: Peter Chen <peter.chen@cixtech.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
