The gpio0_mipi_csi DT nodes are enabled by default, but they are
dependent on the irqsteer_csi nodes, which are not enabled. This causes
the gpio0_mipi_csi GPIOs to be probe deferred. Since these GPIOs can be
used independently of the CSI controller, enable irqsteer_csi by default
too to prevent them from being deferred and to ensure they work out of
the box.
Fixes: 2217f82437 ("arm64: dts: imx8: add capture controller for i.MX8's img subsystem")
Signed-off-by: João Paulo Gonçalves <joao.goncalves@toradex.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Idle-inject up to 50% of all cpu's time in order to help cpufreq
to keep the temperature below the trip points.
Signed-off-by: Martin Kepplinger-Novaković <martink@posteo.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
The thermal framework can use the cpu-idle-states as
described for imx8mp as an alternative or in parallel to
cpufreq.
Add the DT node to the cpu so the cooling devices will be present
and the thermal zone descriptions can use them.
Signed-off-by: Martin Kepplinger-Novaković <martink@posteo.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
In former times, ext4 was enabled implicitely by enabling ext3 but with
the ext3 fs gone, it does not get enabled, which lets devices fail to
mount root on non-initrd based boots with an ext4 root.
Fixes: d6ace46c82 ("ext4: remove obsolete EXT3 config options")
Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
The RTC inside mc34708 is supported by RTC_DRV_MC13XXX since v3.6-rc1.
Enable the PMIC RTC on the imx53-qsrb. Without a battery the RTC may be
powered via the micro-USB connector when main 5V power is not available.
Signed-off-by: Alexander Kurz <akurz@blala.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Improve the performance of aes_gcm_aad_update_vaes_avx512() on large AAD
(additional authenticated data) lengths by 4-8 times by making it use up
to 512-bit vectors and a 4-vector-wide loop. Previously, it used only
256-bit vectors and a 1-vector-wide loop.
Originally, I assumed that the case of large AADLEN was unimportant.
Later, when reviewing the users of BoringSSL's AES-GCM code, I found
that some callers use BoringSSL's AES-GCM API to just compute GMAC,
authenticating lots of data but not en/decrypting any. Thus, I included
a similar optimization in the BoringSSL port of this code. I believe
it's wise to include this optimization in the kernel port too for
similar reasons, and to align it more closely with the BoringSSL port.
Another reason this function originally used 256-bit vectors was so that
separate *_avx10_256 and *_avx10_512 versions of it wouldn't be needed.
However, that's no longer applicable.
To avoid a slight performance regression in the common case of AADLEN <=
16, also add a fast path for that case which uses 128-bit vectors. In
fact, this case actually gets slightly faster too, since it saves a
couple instructions over the original 256-bit code.
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Tested-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20251002023117.37504-9-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
Squaring in GF(2^128) requires fewer instructions than a generic
multiplication in GF(2^128). Take advantage of this when computing H^2
from H^1 in aes_gcm_precompute_vaes_avx512().
Note that aes_gcm_precompute_vaes_avx2() already uses this optimization.
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Tested-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20251002023117.37504-8-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
- Fix some references to field names in struct aes_gcm_key_vaes_avx512.
- Remove the mention of the counter having to start at 2. The assembly
code doesn't actually assume that it does.
Note that these changes improve consistency with aes-gcm-vaes-avx2.S.
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Tested-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20251002023117.37504-7-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
Now that the _aes_gcm_precompute macro is instantiated only once,
replace it directly with a function definition.
Also, move aes_gcm_aad_update_vaes_avx512() to a different location in
the file so that it's consistent with aes-gcm-vaes-avx2.S and also the
BoringSSL port of this code.
No functional changes.
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Tested-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20251002023117.37504-6-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
aes-gcm-vaes-avx512.S (originally aes-gcm-avx10-x86_64.S) was designed
to support multiple maximum vector lengths, while still utilizing AVX512
/ AVX10 features such as the increased number of vector registers.
However, the support for multiple maximum vector lengths turned out to
not be useful. Support for maximum vector lengths other than 512 bits
was removed from the AVX10 specification, which leaves "avoiding
overly-eager downclocking" as the only remaining use case for limiting
AVX512 / AVX10 code to 256-bit vectors. But this issue has gone away in
new CPUs, and the separate VAES+AVX2 code which I ended up having to
write anyway provides nearly as good 256-bit support.
Therefore, clean up this code to not be written in terms of a generic
vector length, but rather just assume 512-bit vectors.
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Tested-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20251002023117.37504-5-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
With the "avx10_256" code removed and the AVX10 specification having
been changed to basically just be a re-packaged AVX512, the "avx10_512"
name no longer makes sense. Replace it with "avx512".
While doing this, also add the "vaes_" prefix in places that didn't
already have it. The result is that the two VAES optimized
implementations are consistently called vaes_avx2 and vaes_avx512.
(Also drop the "-x86_64" part of the assembly filename, to keep it from
getting too long. There's no 32-bit version of this code, and the fact
that it's 64-bit is unremarkable; it's the norm for new code.)
Note: although aes_gcm_aad_update_vaes_avx512() (previously called
aes_gcm_aad_update_vaes_avx10()) uses at most 256-bit vectors, it still
depends on the AVX512 CPU feature. So its new name is still accurate.
Also, a later commit will make it sometimes use 512-bit vectors anyway.
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Tested-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20251002023117.37504-4-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
Remove the VAES+AVX10/256 optimized implementation of AES-GCM.
It's no longer expected to be useful for future CPUs, since Intel
changed the AVX10 specification to require 512-bit vectors.
In addition, it's no longer very useful to serve as the 256-bit fallback
for older Intel CPUs (Ice Lake and Tiger Lake) that downclock too
eagerly when 512-bit vectors are used. This is because I ended up
writing another 256-bit implementation anyway, using VAES+AVX2. The
VAES+AVX2 implementation is almost as fast as the VAES+AVX10/256 one, as
shown by the following tables. So, let's just use it instead.
Table 1: AES-256-GCM encryption throughput change,
CPU vs. message length in bytes:
| 16384 | 4096 | 4095 | 1420 | 512 | 500 |
----------------------+-------+-------+-------+-------+-------+-------+
Intel Ice Lake Server | -2% | -1% | 0% | -2% | -2% | 3% |
| 300 | 200 | 64 | 63 | 16 |
----------------------+-------+-------+-------+-------+-------+
Intel Ice Lake Server | 1% | 0% | 4% | 2% | -6% |
Table 2: AES-256-GCM decryption throughput change,
CPU vs. message length in bytes:
| 16384 | 4096 | 4095 | 1420 | 512 | 500 |
----------------------+-------+-------+-------+-------+-------+-------+
Intel Ice Lake Server | -1% | -1% | 1% | -2% | 0% | 2% |
| 300 | 200 | 64 | 63 | 16 |
----------------------+-------+-------+-------+-------+-------+
Intel Ice Lake Server | -1% | 4% | 1% | 0% | -5% |
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Tested-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20251002023117.37504-3-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
Add an implementation of AES-GCM that uses 256-bit vectors and the
following CPU features: Vector AES (VAES), Vector Carryless
Multiplication (VPCLMULQDQ), and AVX2.
It doesn't require AVX512. So unlike the existing VAES+AVX512 code, it
works on CPUs that support VAES but not AVX512, specifically:
- AMD Zen 3, both client and server
- Intel Alder Lake, Raptor Lake, Meteor Lake, Arrow Lake, and Lunar
Lake. (These are client CPUs.)
- Intel Sierra Forest. (This is a server CPU.)
On these CPUs, this VAES+AVX2 code is much faster than the existing
AES-NI code. The AES-NI code uses only 128-bit vectors.
These CPUs are widely deployed, making VAES+AVX2 code worthwhile even
though hopefully future x86_64 CPUs will uniformly support AVX512.
This implementation will also serve as the fallback 256-bit
implementation for older Intel CPUs (Ice Lake and Tiger Lake) that
support AVX512 but downclock too eagerly when 512-bit vectors are used.
Currently, the VAES+AVX10/256 implementation serves that purpose. A
later commit will remove that and just use the VAES+AVX2 one. (Note
that AES-XTS and AES-CTR already successfully use this approach.)
I originally wrote this AES-GCM implementation for BoringSSL. It's been
in BoringSSL for a while now, including in Chromium. This is a port of
it to the Linux kernel. The main changes in the Linux version include:
- Port from "perlasm" to a standard .S file.
- Align all assembly functions with what aesni-intel_glue.c expects,
including adding support for lengths not a multiple of 16 bytes.
- Rework the en/decryption of the final 1 to 127 bytes.
This commit increases AES-256-GCM throughput on AMD Milan (Zen 3) by up
to 74%, as shown by the following tables:
Table 1: AES-256-GCM encryption throughput change,
CPU vs. message length in bytes:
| 16384 | 4096 | 4095 | 1420 | 512 | 500 |
----------------------+-------+-------+-------+-------+-------+-------+
AMD Milan (Zen 3) | 67% | 59% | 61% | 39% | 23% | 27% |
| 300 | 200 | 64 | 63 | 16 |
----------------------+-------+-------+-------+-------+-------+
AMD Milan (Zen 3) | 14% | 12% | 7% | 7% | 0% |
Table 2: AES-256-GCM decryption throughput change,
CPU vs. message length in bytes:
| 16384 | 4096 | 4095 | 1420 | 512 | 500 |
----------------------+-------+-------+-------+-------+-------+-------+
AMD Milan (Zen 3) | 74% | 65% | 65% | 44% | 23% | 26% |
| 300 | 200 | 64 | 63 | 16 |
----------------------+-------+-------+-------+-------+-------+
AMD Milan (Zen 3) | 12% | 11% | 3% | 2% | -3% |
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Tested-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20251002023117.37504-2-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
All handlers triggered by ib_drain_qp() should already see the
broken connection.
smb_direct_cm_handler() is called under a mutex of the rdma_cm,
we should make sure ib_drain_qp() and all rdma layer logic completes
and unlocks the mutex.
It means free_transport() will also already see the connection
as SMBDIRECT_SOCKET_DISCONNECTED, so we need to call
crdma_[un]lock_handler(sc->rdma.cm_id) around
ib_drain_qp(), rdma_destroy_qp(), ib_free_cq() and ib_dealloc_pd().
Otherwise we free resources while the ib_drain_qp() within
smb_direct_cm_handler() is still running.
We have to unlock before rdma_destroy_id() as it locks again.
Fixes: 141fa9824c ("ksmbd: call ib_drain_qp when disconnected")
Fixes: 4c564f03e2 ("smb: server: make use of common smbdirect_socket")
Cc: Namjae Jeon <linkinjeon@kernel.org>
Cc: Steve French <smfrench@gmail.com>
Cc: Tom Talpey <tom@talpey.com>
Cc: linux-cifs@vger.kernel.org
Cc: samba-technical@lists.samba.org
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
We now activate sc->recv_io.posted.refill_work and sc->idle.immediate_work
only after a successful negotiation, before sending the negotiation
response.
It means the queue_work(sc->workqueue, &sc->recv_io.posted.refill_work)
in put_recvmsg() of the negotiate request, is a no-op now.
It also means our explicit smb_direct_post_recv_credits() will
have queue_work(sc->workqueue, &sc->idle.immediate_work) as no-op.
This should make sure we don't have races and post any immediate
data_transfer message that tries to grant credits to the peer,
before we send the negotiation response, as that will grant
the initial credits to the peer.
Fixes: 0626e6641f ("cifsd: add server handler for central processing and tranport layers")
Fixes: 1cde0a74a7 ("smb: server: don't use delayed_work for post_recv_credits_work")
Cc: Namjae Jeon <linkinjeon@kernel.org>
Cc: Steve French <smfrench@gmail.com>
Cc: Tom Talpey <tom@talpey.com>
Cc: linux-cifs@vger.kernel.org
Cc: samba-technical@lists.samba.org
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
handle_response() dereferences the payload as a 4-byte handle without
verifying that the declared payload size is at least 4 bytes. A malformed
or truncated message from ksmbd.mountd can lead to a 4-byte read past the
declared payload size. Validate the size before dereferencing.
This is a minimal fix to guard the initial handle read.
Fixes: 0626e6641f ("cifsd: add server handler for central processing and tranport layers")
Cc: stable@vger.kernel.org
Reported-by: Qianchang Zhao <pioooooooooip@gmail.com>
Signed-off-by: Qianchang Zhao <pioooooooooip@gmail.com>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
The correct compatible is nxp,pcf2123
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Disable Hysteresis Enable Field in pad ctl register for USB OC pin
as this is more appropriate for the signal form in our case.
Signed-off-by: Teresa Remmet <t.remmet@phytec.de>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Add initial support for i.MX 95 Verdin Evaluation Kit (EVK), which
used to be the Titan EVK. Currently supported is lpuart1 as console,
SDHC1/2/3 as storage, WM8904 Audio, USB3.0 and ENETC ethernet RGMII
Gigabit port.
Note that the SoM used in this EVK is a derivative SoM from Verdin
line of SoMs, an actual i.MX95 Verdin SoM is under development.
[1] https://www.toradex.com/computer-on-modules/verdin-arm-family/nxp-imx95-evaluation-kit
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: João Paulo Gonçalves <joao.goncalves@toradex.com>
Tested-by: João Paulo Gonçalves <joao.goncalves@toradex.com> # i.MX95 Verdin EVK
Signed-off-by: Marek Vasut <marek.vasut@mailbox.org>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Document support for i.MX 95 Verdin Evaluation Kit (EVK), which
used to be the Titan EVK.
Note that the SoM used in this EVK is a derivative SoM from Verdin
line of SoMs, an actual i.MX95 Verdin SoM is under development.
[1] https://www.toradex.com/computer-on-modules/verdin-arm-family/nxp-imx95-evaluation-kit
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
Reviewed-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Signed-off-by: Marek Vasut <marek.vasut@mailbox.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Fix typo in description of enable_gcm_256 module parameter
Suggested-by: Thomas Spear <speeddymon@gmail.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Here are some small char/misc/android driver fixes for 6.18-rc3 for
reported issues. Included in here are:
- rust binder fixes for reported issues
- mei device id addition
- mei driver fixes
- comedi bugfix
- most usb driver bugfixes
- fastrpc memory leak fix
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are some small char/misc/android driver fixes for 6.18-rc3 for
reported issues. Included in here are:
- rust binder fixes for reported issues
- mei device id addition
- mei driver fixes
- comedi bugfix
- most usb driver bugfixes
- fastrpc memory leak fix
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-6.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
most: usb: hdm_probe: Fix calling put_device() before device initialization
most: usb: Fix use-after-free in hdm_disconnect
binder: remove "invalid inc weak" check
mei: txe: fix initialization order
comedi: fix divide-by-zero in comedi_buf_munge()
mei: late_bind: Fix -Wincompatible-function-pointer-types-strict
misc: fastrpc: Fix dma_buf object leak in fastrpc_map_lookup
mei: me: add wildcat lake P DID
misc: amd-sbi: Clarify that this is a BMC driver
nvmem: rcar-efuse: add missing MODULE_DEVICE_TABLE
binder: Fix missing kernel-doc entries in binder.c
rust_binder: report freeze notification only when fully frozen
rust_binder: don't delete FreezeListener if there are pending duplicates
rust_binder: freeze_notif_done should resend if wrong state
rust_binder: remove warning about orphan mappings
rust_binder: clean `clippy::mem_replace_with_default` warning
Here are some small staging driver fixes for the gpib subsystem to
resolve some reported issues. Included in here are:
- memory leak fixes
- error code fixes
- proper protocol fixes
All of these have been in linux-next for almost 2 weeks now with no
reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-6.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver fixes from Greg KH:
"Here are some small staging driver fixes for the gpib subsystem to
resolve some reported issues. Included in here are:
- memory leak fixes
- error code fixes
- proper protocol fixes
All of these have been in linux-next for almost 2 weeks now with no
reported issues"
* tag 'staging-6.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: gpib: Fix device reference leak in fmh_gpib driver
staging: gpib: Return -EINTR on device clear
staging: gpib: Fix sending clear and trigger events
staging: gpib: Fix no EOI on 1 and 2 byte writes
Here are some small tty and serial driver fixes for reported issues.
Included in here are:
- sh-sci serial driver fixes
- 8250_dw and _mtk driver fixes
- sc16is7xx driver bugfix
- new 8250_exar device ids added
All of these have been in linux-next this past week with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-6.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial driver fixes from Greg KH:
"Here are some small tty and serial driver fixes for reported issues.
Included in here are:
- sh-sci serial driver fixes
- 8250_dw and _mtk driver fixes
- sc16is7xx driver bugfix
- new 8250_exar device ids added
All of these have been in linux-next this past week with no reported
issues"
* tag 'tty-6.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
serial: 8250_mtk: Enable baud clock and manage in runtime PM
serial: 8250_dw: handle reset control deassert error
dt-bindings: serial: sh-sci: Fix r8a78000 interrupts
serial: sc16is7xx: remove useless enable of enhanced features
serial: 8250_exar: add support for Advantech 2 port card with Device ID 0x0018
tty: serial: sh-sci: fix RSCI FIFO overrun handling
Here are some small USB driver fixes and new device ids for 6.18-rc3.
Included in here are:
- new option serial driver device ids added
- dt bindings fixes for numerous platforms
- xhci bugfixes for many reported regressions
- usbio dependency bugfix
- dwc3 driver fix
- raw-gadget bugfix
All of these have been in linux-next this week with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB driver fixes from Greg KH:
"Here are some small USB driver fixes and new device ids for 6.18-rc3.
Included in here are:
- new option serial driver device ids added
- dt bindings fixes for numerous platforms
- xhci bugfixes for many reported regressions
- usbio dependency bugfix
- dwc3 driver fix
- raw-gadget bugfix
All of these have been in linux-next this week with no reported issues"
* tag 'usb-6.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
USB: serial: option: add Telit FN920C04 ECM compositions
USB: serial: option: add Quectel RG255C
tcpm: switch check for role_sw device with fw_node
usb/core/quirks: Add Huawei ME906S to wakeup quirk
usb: raw-gadget: do not limit transfer length
USB: serial: option: add UNISOC UIS7720
xhci: dbc: enable back DbC in resume if it was enabled before suspend
xhci: dbc: fix bogus 1024 byte prefix if ttyDBC read races with stall event
usb: xhci-pci: Fix USB2-only root hub registration
dt-bindings: usb: qcom,snps-dwc3: Fix bindings for X1E80100
usb: misc: Add x86 dependency for Intel USBIO driver
dt-bindings: usb: switch: split out ports definition
usb: dwc3: Don't call clk_bulk_disable_unprepare() twice
dt-bindings: usb: dwc3-imx8mp: dma-range is required only for imx8mp
a Clang build
- Make sure a Retbleed mitigation message is printed only when necessary
- Correct the last Zen1 microcode revision for which Entrysign sha256 check is
needed
- Fix a NULL ptr deref when mounting the resctrl fs on a system which supports
assignable counters but where L3 total and local bandwidth monitoring has
been disabled at boot
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Merge tag 'x86_urgent_for_v6.18_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
- Remove dead code leftovers after a recent mitigations cleanup which
fail a Clang build
- Make sure a Retbleed mitigation message is printed only when
necessary
- Correct the last Zen1 microcode revision for which Entrysign sha256
check is needed
- Fix a NULL ptr deref when mounting the resctrl fs on a system which
supports assignable counters but where L3 total and local bandwidth
monitoring has been disabled at boot
* tag 'x86_urgent_for_v6.18_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/bugs: Remove dead code which might prevent from building
x86/bugs: Qualify RETBLEED_INTEL_MSG
x86/microcode: Fix Entrysign revision check for Zen1/Naples
x86,fs/resctrl: Fix NULL pointer dereference with events force-disabled in mbm_event mode
- Drop unnecessary Result's '<()>'
- Use '?' instead of match
Signed-off-by: FUJITA Tomonori <fujita.tomonori@gmail.com>
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
subsystem after a rework
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Merge tag 'irq_urgent_for_v6.18_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Borislav Petkov:
- Restore the original buslock locking in a couple of places in the irq
core subsystem after a rework
* tag 'irq_urgent_for_v6.18_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
genirq/manage: Add buslock back in to enable_irq()
genirq/manage: Add buslock back in to __disable_irq_nosync()
genirq/chip: Add buslock back in to irq_set_handler()
- Add one more Rust noreturn function to objtool's list
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Merge tag 'objtool_urgent_for_v6.18_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull objtool fixes from Borislav Petkov:
- Fix x32 build due to wrong format specifier on that sub-arch
- Add one more Rust noreturn function to objtool's list
* tag 'objtool_urgent_for_v6.18_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
objtool: Fix failure when being compiled on x32 system
objtool/rust: add one more `noreturn` Rust function
throttled otherwise task movement and manipulation would lead to dangling
cfs_rq references and an eventual crash
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Merge tag 'sched_urgent_for_v6.18_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fix from Borislav Petkov:
- Make sure a CFS runqueue on a throttled hierarchy has its PELT clock
throttled otherwise task movement and manipulation would lead to
dangling cfs_rq references and an eventual crash
* tag 'sched_urgent_for_v6.18_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/fair: Start a cfs_rq on throttled hierarchy with PELT clock throttled
Unconditionally reset plane->state to NULL if the allocation of the
shadow plane state fails. Avoids an invalid address in the field.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patch.msgid.link/20251017091919.58770-1-tzimmermann@suse.de
The plane state in __drm_gem_reset_shadow_plane() can be NULL. Do not
deref that pointer, but forward NULL to the other plane-reset helpers.
Clears plane->state to NULL.
v2:
- fix typo in commit description (Javier)
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Fixes: b715650220 ("drm/gem: Export implementation of shadow-plane helpers")
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/dri-devel/aPIDAsHIUHp_qSW4@stanley.mountain/
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Melissa Wen <melissa.srw@gmail.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: David Airlie <airlied@gmail.com>
Cc: Simona Vetter <simona@ffwll.ch>
Cc: dri-devel@lists.freedesktop.org
Cc: <stable@vger.kernel.org> # v5.15+
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patch.msgid.link/20251017091407.58488-1-tzimmermann@suse.de
When Root Complex (RC) triggers a Doorbell interrupt to Endpoint (EP), it
triggers the below warning in the EP:
BUG: sleeping function called from invalid context at kernel/locking/mutex.c:271
Call trace:
__might_resched+0x130/0x158
__might_sleep+0x70/0x88
mutex_lock+0x2c/0x80
pci_epc_get_msi+0x78/0xd8
pci_epf_test_raise_irq.isra.0+0x74/0x138
pci_epf_test_doorbell_handler+0x34/0x50
The BUG arises because the EP's pci_epf_test_doorbell_handler() which is
running in the hard IRQ context is making an indirect call to
pci_epc_get_msi(), which uses mutex inside.
To fix the issue, convert the hard IRQ handler to a threaded IRQ handler to
allow it to call functions that can sleep during bottom half execution.
Also, register the threaded IRQ handler with IRQF_ONESHOT to keep the
interrupt line disabled until the threaded IRQ handler completes execution.
Fixes: eff0c286aa ("PCI: endpoint: pci-epf-test: Add doorbell test support")
Signed-off-by: Bhanu Seshu Kumar Valluri <bhanuseshukumar@gmail.com>
[mani: reworded description a bit]
Signed-off-by: Manivannan Sadhasivam <mani@kernel.org>
Reviewed-by: Niklas Cassel <cassel@kernel.org>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/20251014024109.42287-1-bhanuseshukumar@gmail.com
The amlogic,axg-pcie binding was never enabled as the 'select' schema
expects a single compatible value, but the binding has a fallback
compatible. Fix the 'select' by adding a 'contains'. With this, several
errors in the clock and reset properties are exposed. Some of the names
aren't defined in the common DWC schema and the order of clocks entries
doesn't match .dts files.
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Manivannan Sadhasivam <mani@kernel.org>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://patch.msgid.link/20251024011122.26001-1-robh@kernel.org
To avoid hardcoding the offset value for synthetic event IDs
in multiple auxtrace modules (arm-spe, cs-etm, intel-pt, etc.),
and to improve code reusability, this patch unifies
the handling of the ID offset via a dedicated helper function.
Signed-off-by: tanze <tanze@kylinos.cn>
Reviewed-by: Adrian Hunter <adrian.hunter@intel.com>
Tested-by: Leo Yan <leo.yan@arm.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Commit b8308511f6 bumped the max events to 1024 but this results in
BPF verifier issues if the number of command line events is too
large. Workaround this by:
1) moving the constants to a header file to share between BPF and perf
C code,
2) testing that the maximum number of events doesn't cause BPF
verifier issues in debug builds,
3) lower the max events from 1024 to 128,
4) in perf stat, if there are more events than the BPF counters can
support then disable BPF counter usage.
The rodata setup is factored into its own function to avoid
duplicating it in the testing code.
Signed-off-by: Ian Rogers <irogers@google.com>
Fixes: b8308511f6 ("perf stat bperf cgroup: Increase MAX_EVENTS from 32 to 1024")
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Commit b5e3956535 ("kbuild: install-extmod-build: Fix build when
specifying KBUILD_OUTPUT") tried to address the "build" variable
expecting a relative path by using `realpath --relative-base=.`, but
this only works when the given directory is below the current directory.
`realpath --relative-to=.` will return a relative path in all cases.
Fixes: b5e3956535 ("kbuild: install-extmod-build: Fix build when specifying KBUILD_OUTPUT")
Signed-off-by: James Le Cuirot <chewi@gentoo.org>
Reviewed-by: Nicolas Schier <nsc@kernel.org>
Link: https://patch.msgid.link/20251016091417.9985-1-chewi@gentoo.org
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
- In Device::parent(), do not make any assumptions on the device
context of the parent device.
- Check visibility before changing ownership of a sysfs attribute
group.
- In topology_parse_cpu_capacity(), replace an incorrect usage of
PTR_ERR_OR_ZERO() with IS_ERR_OR_NULL().
- In devcoredump, fix a circular locking dependency between
struct devcd_entry::mutex and kernfs.
- Do not warn about a pending fw_devlink sync state.
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Merge tag 'driver-core-6.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/driver-core/driver-core
Pull driver core fixes from Danilo Krummrich:
- In Device::parent(), do not make any assumptions on the device
context of the parent device
- Check visibility before changing ownership of a sysfs attribute
group
- In topology_parse_cpu_capacity(), replace an incorrect usage of
PTR_ERR_OR_ZERO() with IS_ERR_OR_NULL()
- In devcoredump, fix a circular locking dependency between
struct devcd_entry::mutex and kernfs
- Do not warn about a pending fw_devlink sync state
* tag 'driver-core-6.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/driver-core/driver-core:
arch_topology: Fix incorrect error check in topology_parse_cpu_capacity()
rust: device: fix device context of Device::parent()
sysfs: check visibility before changing group attribute ownership
devcoredump: Fix circular locking dependency with devcd->mutex.
driver core: fw_devlink: Don't warn about sync_state() pending
A small collection of FireWire fixes. This includes collections to sparse
and API documentation.
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Merge tag 'firewire-fixes-6.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394
Pull firewire fixes from Takashi Sakamoto:
"A small collection of FireWire fixes. This includes corrections to
sparse and API documentation"
* tag 'firewire-fixes-6.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394:
firewire: init_ohci1394_dma: add missing function parameter documentation
firewire: core: fix __must_hold() annotation
Since the vm is lazily created, to allow userspace to opt-in to a
VM_BIND context, we can't assume it is already created.
Fixes: 2e6a8a1fe2 ("drm/msm: Add VM_BIND ioctl")
Signed-off-by: Rob Clark <robin.clark@oss.qualcomm.com>
Patchwork: https://patchwork.freedesktop.org/patch/682939/
Message-ID: <20251022222039.9937-1-robin.clark@oss.qualcomm.com>
We need PRR support in order to implement MAP_NULL. Userspace shouldn't
be trying to use this if it is unsupported.
Reported-by: Valentine Burley <valentine.burley@collabora.com>
Link: https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/37935#note_3153730
Signed-off-by: Rob Clark <robin.clark@oss.qualcomm.com>
Tested-by: Valentine Burley <valentine.burley@collabora.com>
Patchwork: https://patchwork.freedesktop.org/patch/682941/
Message-ID: <20251022222051.10030-1-robin.clark@oss.qualcomm.com>
Several RISC-V fixes for v6.18-rc3:
- Close a race during boot between userspace vDSO usage and some
late-initialized vDSO data
- Improve performance on systems with non-CPU-cache-coherent
DMA-capable peripherals by enabling write combining on
pgprot_dmacoherent() allocations
- Add human-readable detail for RISC-V IPI tracing
- Provide more information to zsmalloc on 64-bit RISC-V to improve
allocation
- Silence useless boot messages about CPUs that have been disabled in
DT
- Resolve some compiler and smatch warnings and remove a redundant macro
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Merge tag 'riscv-for-linus-6.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Paul Walmsley:
- Close a race during boot between userspace vDSO usage and some
late-initialized vDSO data
- Improve performance on systems with non-CPU-cache-coherent
DMA-capable peripherals by enabling write combining on
pgprot_dmacoherent() allocations
- Add human-readable detail for RISC-V IPI tracing
- Provide more information to zsmalloc on 64-bit RISC-V to improve
allocation
- Silence useless boot messages about CPUs that have been disabled in
DT
- Resolve some compiler and smatch warnings and remove a redundant
macro
* tag 'riscv-for-linus-6.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: hwprobe: avoid uninitialized variable use in hwprobe_arch_id()
riscv: cpufeature: avoid uninitialized variable in has_thead_homogeneous_vlenb()
riscv: hwprobe: Fix stale vDSO data for late-initialized keys at boot
riscv: add a forward declaration for cpuinfo_op
RISC-V: Don't print details of CPUs disabled in DT
riscv: Remove the PER_CPU_OFFSET_SHIFT macro
riscv: mm: Define MAX_POSSIBLE_PHYSMEM_BITS for zsmalloc
riscv: Register IPI IRQs with unique names
ACPI: RIMT: Fix unused function warnings when CONFIG_IOMMU_API is disabled
RISC-V: Define pgprot_dmacoherent() for non-coherent devices
Signed-off-by: Carlos Maiolino <cem@kernel.org>
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Merge tag 'xfs-fixes-6.18-rc3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs fixes from Carlos Maiolino:
"The main highlight here is a fix for a bug brought in by the removal
of attr2 mount option, where some installations might actually have
'attr2' explicitly configured in fstab preventing system to boot by
not being able to remount the rootfs as RW.
Besides that there are a couple fix to the zonefs implementation,
changing XFS_ONLINE_SCRUB_STATS to depend on DEBUG_FS (was select
before), and some other minor changes"
* tag 'xfs-fixes-6.18-rc3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: fix locking in xchk_nlinks_collect_dir
xfs: loudly complain about defunct mount options
xfs: always warn about deprecated mount options
xfs: don't set bt_nr_sectors to a negative number
xfs: don't use __GFP_NOFAIL in xfs_init_fs_context
xfs: cache open zone in inode->i_private
xfs: avoid busy loops in GCD
xfs: XFS_ONLINE_SCRUB_STATS should depend on DEBUG_FS
xfs: do not tightly pack-write large files
xfs: Improve CONFIG_XFS_RT Kconfig help
The module alias does not match the cell name defined in the MFD driver,
preventing automatic loading when the driver is built as a module. So fix
the module alias to ensure proper module auto-loading.
Fixes: 0ef2929a01 ("leds: Add AAEON UP board LED driver")
Signed-off-by: Thomas Richard <thomas.richard@bootlin.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20251020-leds-upboard-fix-module-alias-v2-1-84ac5c3a1a81@bootlin.com
Signed-off-by: Lee Jones <lee@kernel.org>
Using this operand can produce invalid values. It also doesn't bring
any benefit as one can use the builder pattern to assemble a new value.
Reported-by: Edwin Peer <epeer@nvidia.com>
Link: https://lore.kernel.org/rust-for-linux/F3853912-2C1C-4F9B-89B0-3168689F35B3@nvidia.com/
Reviewed-by: Joel Fernandes <joelagnelf@nvidia.com>
Reviewed-by: Danilo Krummrich <dakr@kernel.org>
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Message-ID: <20251022-nova-bitfield-v1-3-73bc0988667b@nvidia.com>
