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Before:
># 13145[lib/ftrace-tcp.c:427] trace event filter tcp_ao_key_not_found [2001:db8:1::1:-1 => 2001:db8:254::1:7010, L3index 0, flags: !FS!R!P!., keyid: 100, rnext: 100, maclen: -1, sne: -1] = 1
After:
># 13487[lib/ftrace-tcp.c:427] trace event filter tcp_ao_key_not_found [2001:db8:1::1:-1 => 2001:db8:254::1:7010, L3index 0, flags: S, keyid: 100, rnext: 100, maclen: -1, sne: -1] = 1
For the history, I think the initial format was to emphasize the absence
of flags as well as their presence (!R meant no RST flag). But looking
again, it's just unreadable and hard to understand.
Make it the standard/expected one.
Signed-off-by: Dmitry Safonov <0x7f454c46@gmail.com>
Link: https://patch.msgid.link/20250319-tcp-ao-selftests-polling-v2-1-da48040153d1@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2025-03-18 (ice, idpf)
For ice:
Przemek modifies string declarations to resolve compile issues on gcc 7.5.
Karol adds padding to initial programming of GLTSYN_TIME* registers to
ensure it will occur in the future to prevent hardware issues.
Jesse Brandeburg turns off driver RDMA capability when the corresponding
kernel config is not enabled to aid in preventing resource exhaustion.
Jan adjusts type declaration to properly catch error conditions and
prevent truncation of values. He also adds bounds checking to prevent
overflow in ice_vc_cfg_q_quanta().
Lukasz adds checking and error reporting for invalid values in
ice_vc_cfg_q_bw().
Mateusz adds check for valid size for ice_vc_fdir_parse_raw().
For idpf:
Emil adds check, and handling, on failure to register netdev.
* '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue:
idpf: check error for register_netdev() on init
ice: fix using untrusted value of pkt_len in ice_vc_fdir_parse_raw()
ice: fix input validation for virtchnl BW
ice: validate queue quanta parameters to prevent OOB access
ice: stop truncating queue ids when checking
virtchnl: make proto and filter action count unsigned
ice: fix reservation of resources for RDMA when disabled
ice: ensure periodic output start time is in the future
ice: health.c: fix compilation on gcc 7.5
====================
Link: https://patch.msgid.link/20250318200511.2958251-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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CONFIG_KPROBES_ON_FTRACE is required for test-kprobe. Skip test-kprobe
when CONFIG_KPROBES_ON_FTRACE is not set. Since some kernel may not have
/proc/config.gz, grep for kprobe_ftrace_ops from /proc/kallsyms to check
whether CONFIG_KPROBES_ON_FTRACE is enabled.
Signed-off-by: Song Liu <song@kernel.org>
Acked-by: Joe Lawrence <joe.lawrence@redhat.com>
Acked-by: Miroslav Benes <mbenes@suse.cz>
Link: https://lore.kernel.org/r/20250318181518.1055532-1-song@kernel.org
[pmladek@suse.com: Call grep with -q option.]
Reviewed-by: Petr Mladek <pmladek@suse.com>
Tested-by: Petr Mladek <pmladek@suse.com>
Signed-off-by: Petr Mladek <pmladek@suse.com>
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The Panel Power Sequencer lock held on an eDP port (a) blocks a DP AUX
transfer on another port (b), since the PPS lock is device global, thus
shared by all ports. The PPS lock can be held on port (a) for a longer
period due to the various PPS delays (panel/backlight on/off,
power-cycle delays). This in turn can cause an MST down-message request
on port (b) time out, if the above PPS delay defers the handling of the
reply to the request by more than 100ms: the MST branch device sending
the reply (signaling this via the DP_DOWN_REP_MSG_RDY flag in the
DP_DEVICE_SERVICE_IRQ_VECTOR DPCD register) may cancel the reply
(clearing DP_DOWN_REP_MSG_RDY and the reply message buffer) after 110
ms, if the reply is not processed by that time.
Avoid MST down-message timeouts described above, by locking the PPS
state for AUX transfers only if this is actually required: on eDP ports,
where the VDD power depends on the PPS state and on all DP and eDP ports
on VLV/CHV, where the PPS is a pipe instance and hence a modeset on any
port possibly affecting the PPS state.
v2: Don't move PPS locking/VDD enabling to a separate function. (Jani)
Cc: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://lore.kernel.org/r/20250324180145.142884-3-imre.deak@intel.com
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After a follow-up change on non-eDP outputs
intel_pps_vdd_{on,off}_unlocked() can be called without the PPS lock
held, allow for this.
Suggested-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://lore.kernel.org/r/20250324180145.142884-2-imre.deak@intel.com
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Add a missing attribute of board serial number.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Link: https://patch.msgid.link/20250320085947.103419-2-jiri@resnulli.us
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux into i2c/for-mergewindow
i2c-host updates for v6.15
Refactoring and cleanups
- octeon, cadence, i801, pasemi, mlxbf, bcm-iproc: general
refactorings
- octeon: remove 10-bit address support
Improvements
- amd-asf: improved error handling
- designware: use guard(mutex)
- amd-asf, designware: update naming to follow latest specs
- cadence: fix cleanup path in probe
- i801: use MMIO and I/O mapping helpers to access registers
- pxa: handle error after clk_prepare_enable
New features
- added i2c_10bit_addr_*_from_msg() and updated multiple drivers
- omap: added multiplexer state handling
- qcom-geni: update frequency configuration
- qup: introduce DMA usage policy
New hardware support
- exynos: add support for Samsung exynos7870
- k1: add support for spacemit k1 (new driver)
- imx: add support for i.mx94 lpi2c
- rk3x: add support for rk3562
Multiplexers
- ltc4306, reg: fix assignment in platform_driver structure
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Lorenzo Bianconi says:
====================
net: xdp: Add missing metadata support for some xdp drvs
Introduce missing metadata support for some xdp drivers setting metadata
size building the skb from xdp_buff.
Please note most of the drivers are just compile tested.
v1: https://lore.kernel.org/20250311-mvneta-xdp-meta-v1-0-36cf1c99790e@kernel.org
====================
Link: https://patch.msgid.link/20250318-mvneta-xdp-meta-v2-0-b6075778f61f@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Set metadata size building the skb from xdp_buff in cpsw/cpsw_new
drivers. ti cpsw and cpsw_new drivers set xdp headroom at least to
CPSW_HEADROOM_NA:
CPSW_HEADROOM_NA max(XDP_PACKET_HEADROOM, NET_SKB_PAD) + NET_IP_ALIGN
so the headroom is large enough to contain xdp_frame and xdp metadata.
Please note this patch is just compiled tested.
Reviewed-by: Michal Kubiak <michal.kubiak@intel.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://patch.msgid.link/20250318-mvneta-xdp-meta-v2-7-b6075778f61f@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Set metadata size building the skb from xdp_buff in mana driver.
mana driver sets xdp headroom to XDP_PACKET_HEADROOM so the headroom is
large enough to contain xdp_frame and xdp metadata.
Please note this patch is just compiled tested.
Reviewed-by: Michal Kubiak <michal.kubiak@intel.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://patch.msgid.link/20250318-mvneta-xdp-meta-v2-6-b6075778f61f@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Set metadata size building the skb from xdp_buff in mediatek driver.
mtk_eth_soc driver sets xdp headroom to XDP_PACKET_HEADROOM so the
headroom is large enough to contain xdp_frame and xdp metadata.
Please note this patch is just compiled tested.
Reviewed-by: Michal Kubiak <michal.kubiak@intel.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://patch.msgid.link/20250318-mvneta-xdp-meta-v2-5-b6075778f61f@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Set metadata size building the skb from xdp_buff in octeontx2 driver.
octeontx2 driver sets xdp headroom to OTX2_HEAD_ROOM
OTX2_HEAD_ROOM OTX2_ALIGN
OTX2_ALIGN 128
so the headroom is large enough to contain xdp_frame and xdp metadata.
Please note this patch is just compiled tested.
Reviewed-by: Michal Kubiak <michal.kubiak@intel.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://patch.msgid.link/20250318-mvneta-xdp-meta-v2-4-b6075778f61f@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Set metadata size building the skb from xdp_buff in netsec driver.
netsec driver sets xdp headroom to NETSEC_RXBUF_HEADROOM:
NETSEC_RXBUF_HEADROOM max(XDP_PACKET_HEADROOM, NET_SKB_PAD) + NET_IP_ALIGN
so the headroom is large enough to contain xdp_frame and xdp metadata.
Please note this patch is just compiled tested.
Acked-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Reviewed-by: Michal Kubiak <michal.kubiak@intel.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://patch.msgid.link/20250318-mvneta-xdp-meta-v2-3-b6075778f61f@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Set metadata size building the skb from xdp_buff in mvpp2 driver
mvpp2 driver sets xdp headroom to:
MVPP2_MH_SIZE + MVPP2_SKB_HEADROOM
where
MVPP2_MH_SIZE 2
MVPP2_SKB_HEADROOM min(max(XDP_PACKET_HEADROOM, NET_SKB_PAD), 224)
so the headroom is large enough to contain xdp_frame and xdp metadata.
Please note this patch is just compiled tested.
Reviewed-by: Michal Kubiak <michal.kubiak@intel.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://patch.msgid.link/20250318-mvneta-xdp-meta-v2-2-b6075778f61f@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Set metadata size building the skb from xdp_buff in mvneta driver
mvneta sets xdp headroom to:
MVNETA_MH_SIZE + MVNETA_SKB_HEADROOM
where
MVNETA_MH_SIZE 2
MVNETA_SKB_HEADROOM max(NET_SKB_PAD, XDP_PACKET_HEADROOM)
so the headroom is large enough to contain xdp_frame and xdp metadata.
Reviewed-by: Michal Kubiak <michal.kubiak@intel.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://patch.msgid.link/20250318-mvneta-xdp-meta-v2-1-b6075778f61f@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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irq_linear_revmap() is deprecated, so remove all its uses and supersede
them by an identical call to irq_find_mapping().
Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
Cc: Peter Rosin <peda@axentia.se>
Cc: linux-i2c@vger.kernel.org
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
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There is an effort to achieve W=1 kernel builds without warnings.
As part of that effort Helge Deller highlighted the following warnings
in the tulip driver when compiling with W=1 and CONFIG_TULIP_MWI=n:
.../tulip_core.c: In function ‘tulip_init_one’:
.../tulip_core.c:1309:22: warning: variable ‘force_csr0’ set but not used
This patch addresses that problem using IS_ENABLED(). This approach has
the added benefit of reducing conditionally compiled code. And thus
increasing compile coverage. E.g. for allmodconfig builds which enable
CONFIG_TULIP_MWI.
Compile tested only.
No run-time effect intended.
Acked-by: Helge Deller <deller@gmx.de>
Signed-off-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250318-tulip-w1-v3-1-a813fadd164d@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Kuniyuki Iwashima says:
====================
af_unix: Clean up headers.
AF_UNIX files include many unnecessary headers (netdevice.h and
rtnetlink.h, etc), and this series cleans them up.
Note that there are still some headers included indirectly and
modifying them triggers rebuild, which seems mostly inevitable. [0]
$ python3 include_graph.py net/unix/garbage.c linux/rtnetlink.h linux/netdevice.h
...
include/net/af_unix.h
| include/linux/net.h
| | include/linux/once.h
| | include/linux/sockptr.h
| | include/uapi/linux/net.h
| include/net/sock.h
| | include/linux/netdevice.h <---
...
| | include/net/dst.h
| | | include/linux/rtnetlink.h <---
[0]: https://gist.github.com/q2ven/9c5897f11a493145829029c0bfb364d0
====================
Link: https://patch.msgid.link/20250318034934.86708-1-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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net/unix/*.c include many unnecessary header files (rtnetlink.h,
netdevice.h, etc).
Let's clean them up.
af_unix.c:
+uapi/linux/sockios.h : Only exist under include/uapi
+uapi/linux/termios.h : Only exist under include/uapi
-linux/freezer.h : No longer use freezable_schedule_timeout()
-linux/in.h : No ipv4_is_XXX() etc
-linux/module.h : No longer support CONFIG_UNIX=m
-linux/netdevice.h : No dev used
-linux/rtnetlink.h : Not part of rtnetlink API
-linux/signal.h : signal_pending() is defined in sched/signal.h
-linux/stat.h : No struct stat used
-net/checksum.h : CHECKSUM_UNNECESSARY is defined in skbuff.h
diag.c:
+linux/dcache.h : struct dentry in sk_diag_dump_vfs()
+linux/user_namespace.h : struct user_namespace in sk_diag_dump_uid()
+uapi/linux/unix_diag.h : Only exist under include/uapi/
garbage.c:
+linux/list.h : struct unix_{vertex,edge}, etc
+linux/workqueue.h : DECLARE_WORK(unix_gc_work, ...)
-linux/file.h : No fget() etc
-linux/kernel.h : No cond_resched() etc
-linux/netdevice.h : No dev used
-linux/proc_fs.h : No procfs provided
-linux/string.h : No memcpy(), kmemdup(), etc
sysctl_net_unix.c:
+linux/string.h : kmemdup()
+net/net_namespace.h : struct net, net_eq()
-linux/mm.h : slab.h is enough
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://patch.msgid.link/20250318034934.86708-5-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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include/net/af_unix.h indirectly includes some definitions for structs.
Let's include such headers explicitly.
linux/atomic.h : scm_stat.nr_fds
linux/net.h : unix_sock.peer_wq
linux/path.h : unix_sock.path
linux/spinlock.h : unix_sock.lock
linux/wait.h : unix_sock.peer_wake
uapi/linux/un.h : unix_address.name[]
linux/socket.h is removed as the structs there are not used directly,
and linux/un.h is clarified with uapi as un.h only exists under
include/uapi.
While at it, duplicate headers are removed from .c files.
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://patch.msgid.link/20250318034934.86708-4-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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net/af_unix.h is included by core and some LSMs, but most definitions
need not be.
Let's move struct unix_{vertex,edge} to net/unix/garbage.c and other
definitions to net/unix/af_unix.h.
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Joe Damato <jdamato@fastly.com>
Link: https://patch.msgid.link/20250318034934.86708-3-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This is a prep patch to make the following changes cleaner.
No functional change intended.
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Joe Damato <jdamato@fastly.com>
Link: https://patch.msgid.link/20250318034934.86708-2-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Jason Xing says:
====================
support TCP_RTO_MIN_US and TCP_DELACK_MAX_US for set/getsockopt
Add set/getsockopt supports for TCP_RTO_MIN_US and TCP_DELACK_MAX_US.
====================
Link: https://patch.msgid.link/20250317120314.41404-1-kerneljasonxing@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Support adjusting/reading delayed ack max for socket level by using
set/getsockopt().
This option aligns with TCP_BPF_DELACK_MAX usage. Considering that bpf
option was implemented before this patch, so we need to use a standalone
new option for pure tcp set/getsockopt() use.
Add WRITE_ONCE/READ_ONCE() to prevent data-race if setsockopt()
happens to write one value to icsk_delack_max while icsk_delack_max is
being read.
Signed-off-by: Jason Xing <kerneljasonxing@gmail.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20250317120314.41404-3-kerneljasonxing@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Support adjusting/reading RTO MIN for socket level by using set/getsockopt().
This new option has the same effect as TCP_BPF_RTO_MIN, which means it
doesn't affect RTAX_RTO_MIN usage (by using ip route...). Considering that
bpf option was implemented before this patch, so we need to use a standalone
new option for pure tcp set/getsockopt() use.
When the socket is created, its icsk_rto_min is set to the default
value that is controlled by sysctl_tcp_rto_min_us. Then if application
calls setsockopt() with TCP_RTO_MIN_US flag to pass a valid value, then
icsk_rto_min will be overridden in jiffies unit.
This patch adds WRITE_ONCE/READ_ONCE to avoid data-race around
icsk_rto_min.
Signed-off-by: Jason Xing <kerneljasonxing@gmail.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20250317120314.41404-2-kerneljasonxing@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The mediatek display driver fails to probe on mt8173-elm-hana and
mt8183-kukui-jacuzzi-juniper-sku16 in v6.14-rc4 due to missing PHY
configurations.
Enable the following PHY drivers for MediaTek platforms:
- CONFIG_PHY_MTK_HDMI=y for HDMI display
- CONFIG_PHY_MTK_MIPI_DSI=y for DSI display
Signed-off-by: Vignesh Raman <vignesh.raman@collabora.com>
Acked-by: Helen Koike <helen.fornazier@gmail.com>
Link: https://lore.kernel.org/r/20250314085858.39328-4-vignesh.raman@collabora.com
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Uprev IGT to the latest version and update expectation files.
Signed-off-by: Vignesh Raman <vignesh.raman@collabora.com>
Acked-by: Helen Koike <helen.fornazier@gmail.com>
Link: https://lore.kernel.org/r/20250314085858.39328-3-vignesh.raman@collabora.com
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LAVA was recently patched [1] with a fix on how parameters are parsed in
`lava-test-case`, so we don't need to repeat quotes to send the
arguments properly to it. Uprev mesa to fix this issue.
[1] https://gitlab.com/lava/lava/-/commit/18c9cf79
Signed-off-by: Vignesh Raman <vignesh.raman@collabora.com>
Acked-by: Helen Koike <helen.fornazier@gmail.com>
Acked-by: Daniel Stone <daniels@collabora.com>
Link: https://lore.kernel.org/r/20250314085858.39328-2-vignesh.raman@collabora.com
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release_firmware() checks for NULL pointers internally.
Remove unneeded NULL check for fmw here.
Signed-off-by: Chen Ni <nichen@iscas.ac.cn>
Link: https://patch.msgid.link/20250325084939.801117-1-nichen@iscas.ac.cn
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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release_firmware() checks for NULL pointers internally.
Remove unneeded NULL check for fmw here.
Signed-off-by: Chen Ni <nichen@iscas.ac.cn>
Link: https://patch.msgid.link/20250325084639.801054-1-nichen@iscas.ac.cn
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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This patch applies the ALC294 bass speaker fixup (ALC294_FIXUP_BASS_SPEAKER_15),
previously introduced in commit a7df7f909cec ("ALSA: hda: improve bass
speaker support for ASUS Zenbook UM5606WA"), to the ASUS Zenbook UM5606KA.
This hardware configuration matches ASUS Zenbook UM5606WA, where DAC NID
0x06 was removed from the bass speaker (NID 0x15), routing both speaker
pins to DAC NID 0x03.
This resolves the bass speaker routing issue, ensuring correct audio
output on ASUS UM5606KA.
Signed-off-by: Andres Traumann <andres.traumann.01@gmail.com>
Cc: <stable@vger.kernel.org>
Link: https://patch.msgid.link/20250325102535.8172-1-andres.traumann.01@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Going forward, struct intel_display is the main display device data
pointer. Convert as much as possible of intel_pch_refclk.[ch] to struct
intel_display.
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://lore.kernel.org/r/1bf35f05dc921e0ca548b0d0d8d7f5b7098e8140.1742554320.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Going forward, struct intel_display is the main display device data
pointer. Convert as much as possible of intel_pch_display.[ch] to struct
intel_display.
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://lore.kernel.org/r/0341f0c14a4770cfd41708200cd6c5416b8a17b9.1742554320.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Going forward, struct intel_display is the main display device data
pointer. Convert intel_crtc_state_dump.c to struct intel_display.
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://lore.kernel.org/r/b0d7c61f40e26e8d74de2217963d333fe8c304c4.1742554320.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Going forward, struct intel_display is the main display device data
pointer. Convert intel_atomic.c to struct intel_display.
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://lore.kernel.org/r/7ef6fe795e4e5c26ae0d546e57f64f494aaf56fc.1742554320.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Going forward, struct intel_display is the main display device data
pointer. Convert intel_tc.c to struct intel_display.
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://lore.kernel.org/r/bbff21269f348ac72eb749b6cf3f692234bed9f2.1742554320.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Since:
0c1d7a2c2d32 ("lockdep: Remove softirq accounting on PREEMPT_RT.")
the wait context test for mutex usage within "in softirq context" fails
as it references @softirq_context:
| wait context tests |
--------------------------------------------------------------------------
| rcu | raw | spin |mutex |
--------------------------------------------------------------------------
in hardirq context: ok | ok | ok | ok |
in hardirq context (not threaded): ok | ok | ok | ok |
in softirq context: ok | ok | ok |FAILED|
As a fix, add lockdep map for BH disabled section. This fixes the
issue by letting us catch cases when local_bh_disable() gets called
with preemption disabled where local_lock doesn't get acquired.
In the case of "in softirq context" selftest, local_bh_disable() was
being called with preemption disable as it's early in the boot.
[ boqun: Move the lockdep annotations into __local_bh_*() to avoid false
positives because of unpaired local_bh_disable() reported by
Borislav Petkov and Peter Zijlstra, and make bh_lock_map
only exist for PREEMPT_RT. ]
[ mingo: Restored authorship and improved the bh_lock_map definition. ]
Signed-off-by: Ryo Takakura <ryotkkr98@gmail.com>
Signed-off-by: Boqun Feng <boqun.feng@gmail.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20250321143322.79651-1-boqun.feng@gmail.com
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Going forward, struct intel_display is the main display device data
pointer. Convert as much as possible of intel_lvds.[ch] to struct
intel_display.
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://lore.kernel.org/r/2b5205db60f956dba788cc894531cc74d0dd853d.1742554320.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Going forward, struct intel_display is the main display device data
pointer. Convert intel_dvo.[ch] to struct intel_display.
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://lore.kernel.org/r/a78b5c8d0030957523eb467401b06e2d290cf14d.1742554320.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Going forward, struct intel_display is the main display device data
pointer. Convert intel_dsi_dcs_backlight.c to struct intel_display.
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://lore.kernel.org/r/19ed78f51ac153016fbe60c49037bef840a9cc1b.1742554320.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Going forward, struct intel_display is the main display device data
pointer. Convert as much as possible of intel_dsi_vbt.[ch] to struct
intel_display.
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://lore.kernel.org/r/d2a327c7121263cd67986a2d9199e18d7bf03acd.1742554320.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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The DSI VBT initialization debug logs a lot of parameters. Convert this
to use struct drm_printer with a prefix.
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://lore.kernel.org/r/50ff85e66c058a12b2fe0d0cba6a542f7cfa71cf.1742554320.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Going forward, struct intel_display is the main display device data
pointer. Convert as much as possible of vlv_dsi_pll.[ch] to struct
intel_display.
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://lore.kernel.org/r/9d34d8b91c6bc8b2dd8e2081194ee496b251bbf3.1742554320.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Going forward, struct intel_display is the main display device data
pointer. Convert as much as possible of vlv_dsi.[ch] to struct
intel_display.
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://lore.kernel.org/r/320449f3b58c6eca6fdbb16e4e819cd0e133887a.1742554320.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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When split_lock_mitigate is disabled, each CPU needs its own delayed_work
structure. They are used to reenable split lock detection after its
disabling. But delayed_work structure must be correctly initialized after
its allocation.
Current implementation uses deferred initialization that makes the
split lock handler code unclear. The code can be simplified a bit
if the initialization is moved to the appropriate initcall.
sld_setup() is called before setup_per_cpu_areas(), thus it can't be used
for this purpose, so introduce an independent initcall for
the initialization.
[ mingo: Simplified the 'work' assignment line a bit more. ]
Signed-off-by: Maksim Davydov <davydov-max@yandex-team.ru>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20250325085807.171885-1-davydov-max@yandex-team.ru
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fpu_init_fpstate_user() was removed in:
commit 582b01b6ab27 ("x86/fpu: Remove old KVM FPU interface").
Update that comment to accurately reflect the current state regarding its
callers.
Signed-off-by: Chao Gao <chao.gao@intel.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20250324131931.2097905-1-chao.gao@intel.com
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The --noinstr dependecy on --link is already enforced in the cmdline arg
parsing code. Remove the redundant check.
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/r/0ead7ffa0f5be2e81aebbcc585e07b2c98702b44.1742852847.git.jpoimboe@kernel.org
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For (!X86_KERNEL_IBT && !LTO_CLANG && NOINSTR_VALIDATION), objtool runs
on both translation units and vmlinux.o. The vmlinux.o run only does
noinstr/noret validation. In that case --no-unreachable has no effect.
Remove it.
Note that for ((X86_KERNEL_IBT || LTO_CLANG) && KCOV), --no-unreachable
still gets set in objtool-args-y by scripts/Makefile.lib.
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/r/05414246a0124db2f21b0d071b652aa9043d039d.1742852847.git.jpoimboe@kernel.org
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ENTRY and ENDPROC were deprecated years ago and replaced with
SYM_FUNC_{START,END}. Fix up a few outdated references in the objtool
documentation and comments. Also fix a few typos.
Suggested-by: Brendan Jackman <jackmanb@google.com>
Suggested-by: Miroslav Benes <mbenes@suse.cz>
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/r/5eb7e06e1a0e87aaeda8d583ab060e7638a6ea8e.1742852846.git.jpoimboe@kernel.org
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Remove the following from CONFIG_OBJTOOL_WERROR:
* backtrace
* "upgraded warnings to errors" message
* cmdline args
This makes the default output less cluttered and makes it easier to spot
the actual warnings. Note the above options are still are available
with --verbose or OBJTOOL_VERBOSE=1.
Also, do the cmdline arg printing on all warnings, regardless of werror.
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/r/d61df69f64b396fa6b2a1335588aad7a34ea9e71.1742852846.git.jpoimboe@kernel.org
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