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Flaky tests can be very difficult to reproduce after the facts, which
will make it even harder to ever fix.
Let's document the metadata we agreed on to provide more context to
anyone trying to address these fixes.
Link: https://lore.kernel.org/dri-devel/CAPj87rPbJ1V1-R7WMTHkDat2A4nwSd61Df9mdGH2PR=ZzxaU=Q@mail.gmail.com/
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Helen Koike <helen.koike@collabora.com>
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20231025142441.745947-1-mripard@kernel.org
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hid_connect() will call hid_pidff_init() which does
hid_device_io_start() leading to an "io already started" warning.
To fix this call hid_device_io_stop() before calling hid_connect(),
stopping IO means that connect events may be lost while hid_connect()
runs, re-enable IO and move the hidpp_connect_event() work queuing
after the hid_connect().
Note re-enabling IO is also necessary for the g920_get_config()
call later during hidpp_probe().
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20231025190151.302376-1-hdegoede@redhat.com
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
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Replace the old __attribute__((packed)) with the new __packed.
Only cleanup, no functional changes.
Link: https://lore.kernel.org/r/20231025132314.5878-12-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The header file contains lots of outdated comments and definitions.
Drop those as cleanup.
Link: https://lore.kernel.org/r/20231025132314.5878-11-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Replace the old __attribute__((packed)) with the new __packed.
Only cleanup, no functional changes.
Link: https://lore.kernel.org/r/20231025132314.5878-10-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Replace the old __attribute__((packed)) with the new __packed.
Only cleanup, no functional changes.
Link: https://lore.kernel.org/r/20231025132314.5878-9-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Replace the old __attribute__((packed)) with the new __packed.
Only cleanup, no functional changes.
Link: https://lore.kernel.org/r/20231025132314.5878-8-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Replace the old __attribute__((packed)) with the new __packed.
Only cleanup, no functional changes.
Link: https://lore.kernel.org/r/20231025132314.5878-7-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Replace the old __attribute__((packed)) with the new __packed.
Only cleanup, no functional changes.
Link: https://lore.kernel.org/r/20231025132314.5878-6-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Replace the old __attribute__((packed)) with the new __packed.
Only cleanup, no functional changes.
Link: https://lore.kernel.org/r/20231025132314.5878-5-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Replace the old __attribute__((packed)) with the new __packed.
Only cleanup, no functional changes.
Link: https://lore.kernel.org/r/20231025132314.5878-4-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Replace the old __attribute__((packed)) with the new __packed.
Only cleanup, no functional changes.
Link: https://lore.kernel.org/r/20231025132314.5878-3-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Replace the old __attribute__((packed)) with the new __packed.
Only cleanup, no functional changes.
Link: https://lore.kernel.org/r/20231025132314.5878-2-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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ARCH_R9A07G043 has its own non-standard global pool based DMA coherent
allocator, which conflicts with the remap based RISCV_ISA_ZICBOM version.
Add a proper dependency.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20231018052654.50074-4-hch@lst.de
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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RISCV_DMA_NONCOHERENT is also used for whacky non-standard
non-coherent ops that use different hooks in dma-direct.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Tested-by: Samuel Holland <samuel.holland@sifive.com>
Link: https://lore.kernel.org/r/20231018052654.50074-3-hch@lst.de
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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RISCV_NONSTANDARD_CACHE_OPS is also used for the pmem cache maintenance
helpers, which are built into the kernel unconditionally.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20231018052654.50074-2-hch@lst.de
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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Move sequence of masking and unmasking global interrupts from buttress
interrupt handler to generic one that handles both VPUIP and BTRS
interrupts. Unmasking global interrupts will re-trigger MSI for any
pending interrupts.
Lack of this sequence will cause the driver to miss any
VPUIP interrupt that comes after reading VPU_37XX_HOST_SS_ICB_STATUS_0
and before clearing all active interrupt sources.
Fixes: 35b137630f08 ("accel/ivpu: Introduce a new DRM driver for Intel VPU")
Cc: stable@vger.kernel.org
Signed-off-by: Karol Wachowski <karol.wachowski@linux.intel.com>
Reviewed-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231024161952.759914-1-stanislaw.gruszka@linux.intel.com
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The get_task_exe_file() function locks the given task with task_lock()
which when used inside audit_exe_compare() can cause deadlocks on
systems that generate audit records when the task_lock() is held. We
resolve this problem with two changes: ignoring those cases where the
task being audited is not the current task, and changing our approach
to obtaining the executable file struct to not require task_lock().
With the intent of the audit exe filter being to filter on audit events
generated by processes started by the specified executable, it makes
sense that we would only want to use the exe filter on audit records
associated with the currently executing process, e.g. @current. If
we are asked to filter records using a non-@current task_struct we can
safely ignore the exe filter without negatively impacting the admin's
expectations for the exe filter.
Knowing that we only have to worry about filtering the currently
executing task in audit_exe_compare() we can do away with the
task_lock() and call get_mm_exe_file() with @current->mm directly.
Cc: <stable@vger.kernel.org>
Fixes: 5efc244346f9 ("audit: fix exe_file access in audit_exe_compare")
Reported-by: Andreas Steinmetz <anstein99@googlemail.com>
Reviewed-by: John Johansen <john.johanse@canonical.com>
Reviewed-by: Mateusz Guzik <mjguzik@gmail.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
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'net-ipv6-addrconf-ensure-that-temporary-addresses-preferred-lifetimes-are-in-the-valid-range'
Alex Henrie says:
====================
net: ipv6/addrconf: ensure that temporary addresses' preferred lifetimes are in the valid range
No changes from v2, but there are only four patches now because the
first patch has already been applied.
https://lore.kernel.org/all/20230829054623.104293-1-alexhenrie24@gmail.com/
====================
Link: https://lore.kernel.org/r/20231024212312.299370-1-alexhenrie24@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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small or too large
Signed-off-by: Alex Henrie <alexhenrie24@gmail.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://lore.kernel.org/r/20231024212312.299370-5-alexhenrie24@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Signed-off-by: Alex Henrie <alexhenrie24@gmail.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://lore.kernel.org/r/20231024212312.299370-4-alexhenrie24@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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If the preferred lifetime was less than the minimum required lifetime,
ipv6_create_tempaddr would error out without creating any new address.
On my machine and network, this error happened immediately with the
preferred lifetime set to 1 second, after a few minutes with the
preferred lifetime set to 4 seconds, and not at all with the preferred
lifetime set to 5 seconds. During my investigation, I found a Stack
Exchange post from another person who seems to have had the same
problem: They stopped getting new addresses if they lowered the
preferred lifetime below 3 seconds, and they didn't really know why.
The preferred lifetime is a preference, not a hard requirement. The
kernel does not strictly forbid new connections on a deprecated address,
nor does it guarantee that the address will be disposed of the instant
its total valid lifetime expires. So rather than disable IPv6 privacy
extensions altogether if the minimum required lifetime swells above the
preferred lifetime, it is more in keeping with the user's intent to
increase the temporary address's lifetime to the minimum necessary for
the current network conditions.
With these fixes, setting the preferred lifetime to 3 or 4 seconds "just
works" because the extra fraction of a second is practically
unnoticeable. It's even possible to reduce the time before deprecation
to 1 or 2 seconds by also disabling duplicate address detection (setting
/proc/sys/net/ipv6/conf/*/dad_transmits to 0). I realize that that is a
pretty niche use case, but I know at least one person who would gladly
sacrifice performance and convenience to be sure that they are getting
the maximum possible level of privacy.
Link: https://serverfault.com/a/1031168/310447
Signed-off-by: Alex Henrie <alexhenrie24@gmail.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://lore.kernel.org/r/20231024212312.299370-3-alexhenrie24@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Without this patch, there is nothing to stop the preferred lifetime of a
temporary address from being greater than its valid lifetime. If that
was the case, the valid lifetime was effectively ignored.
Signed-off-by: Alex Henrie <alexhenrie24@gmail.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://lore.kernel.org/r/20231024212312.299370-2-alexhenrie24@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Yan Zhai says:
====================
ipv6: avoid atomic fragment on GSO output
When the ipv6 stack output a GSO packet, if its gso_size is larger than
dst MTU, then all segments would be fragmented. However, it is possible
for a GSO packet to have a trailing segment with smaller actual size
than both gso_size as well as the MTU, which leads to an "atomic
fragment". Atomic fragments are considered harmful in RFC-8021. An
Existing report from APNIC also shows that atomic fragments are more
likely to be dropped even it is equivalent to a no-op [1].
The series contains following changes:
* drop feature RTAX_FEATURE_ALLFRAG, which has been broken. This helps
simplifying other changes in this set.
* refactor __ip6_finish_output code to separate GSO and non-GSO packet
processing, mirroring IPv4 side logic.
* avoid generating atomic fragment on GSO packets.
Link: https://www.potaroo.net/presentations/2022-03-01-ipv6-frag.pdf [1]
V4: https://lore.kernel.org/netdev/cover.1698114636.git.yan@cloudflare.com/
V3: https://lore.kernel.org/netdev/cover.1697779681.git.yan@cloudflare.com/
V2: https://lore.kernel.org/netdev/ZS1%2Fqtr0dZJ35VII@debian.debian/
====================
Link: https://lore.kernel.org/r/cover.1698156966.git.yan@cloudflare.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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When the ipv6 stack output a GSO packet, if its gso_size is larger than
dst MTU, then all segments would be fragmented. However, it is possible
for a GSO packet to have a trailing segment with smaller actual size
than both gso_size as well as the MTU, which leads to an "atomic
fragment". Atomic fragments are considered harmful in RFC-8021. An
Existing report from APNIC also shows that atomic fragments are more
likely to be dropped even it is equivalent to a no-op [1].
Add an extra check in the GSO slow output path. For each segment from
the original over-sized packet, if it fits with the path MTU, then avoid
generating an atomic fragment.
Link: https://www.potaroo.net/presentations/2022-03-01-ipv6-frag.pdf [1]
Fixes: b210de4f8c97 ("net: ipv6: Validate GSO SKB before finish IPv6 processing")
Reported-by: David Wragg <dwragg@cloudflare.com>
Signed-off-by: Yan Zhai <yan@cloudflare.com>
Link: https://lore.kernel.org/r/90912e3503a242dca0bc36958b11ed03a2696e5e.1698156966.git.yan@cloudflare.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Separate GSO and non-GSO packets handling to make the logic cleaner. For
GSO packets, frag_max_size check can be omitted because it is only
useful for packets defragmented by netfilter hooks. Both local output
and GRO logic won't produce GSO packets when defragment is needed. This
also mirrors what IPv4 side code is doing.
Suggested-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Yan Zhai <yan@cloudflare.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/0e1d4599f858e2becff5c4fe0b5f843236bc3fe8.1698156966.git.yan@cloudflare.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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RTAX_FEATURE_ALLFRAG was added before the first git commit:
https://www.mail-archive.com/bk-commits-head@vger.kernel.org/msg03399.html
The feature would send packets to the fragmentation path if a box
receives a PMTU value with less than 1280 byte. However, since commit
9d289715eb5c ("ipv6: stop sending PTB packets for MTU < 1280"), such
message would be simply discarded. The feature flag is neither supported
in iproute2 utility. In theory one can still manipulate it with direct
netlink message, but it is not ideal because it was based on obsoleted
guidance of RFC-2460 (replaced by RFC-8200).
The feature would always test false at the moment, so remove related
code or mark them as unused.
Signed-off-by: Yan Zhai <yan@cloudflare.com>
Reviewed-by: Florian Westphal <fw@strlen.de>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/d78e44dcd9968a252143ffe78460446476a472a1.1698156966.git.yan@cloudflare.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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In iavf_down, we're skipping the scheduling of certain operations if
the driver is being removed. However, the IAVF_FLAG_AQ_DISABLE_QUEUES
request must not be skipped in this case, because iavf_close waits
for the transition to the __IAVF_DOWN state, which happens in
iavf_virtchnl_completion after the queues are released.
Without this fix, "rmmod iavf" takes half a second per interface that's
up and prints the "Device resources not yet released" warning.
Fixes: c8de44b577eb ("iavf: do not process adminq tasks when __IAVF_IN_REMOVE_TASK is set")
Signed-off-by: Michal Schmidt <mschmidt@redhat.com>
Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com>
Tested-by: Rafal Romanowski <rafal.romanowski@intel.com>
Tested-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://lore.kernel.org/r/20231025183213.874283-1-jacob.e.keller@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf
Pablo Neira Ayuso says:
====================
Netfilter fixes for net
This patch contains two late Netfilter's flowtable fixes for net:
1) Flowtable GC pushes back packets to classic path in every GC run,
ie. every second. This is because NF_FLOW_HW_ESTABLISHED is only
used by sched/act_ct (never set) and IPS_SEEN_REPLY might be unset
by the time the flow is offloaded (this status bit is only reliable
in the sched/act_ct datapath).
2) sched/act_ct logic to push back packets to classic path to reevaluate
if UDP flow is unidirectional only applies if IPS_HW_OFFLOAD_BIT is
set on and no hardware offload request is pending to be handled.
From Vlad Buslov.
These two patches fixes two problems that were introduced in the
previous 6.5 development cycle.
* tag 'nf-23-10-25' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
net/sched: act_ct: additional checks for outdated flows
netfilter: flowtable: GC pushes back packets to classic path
====================
Link: https://lore.kernel.org/r/20231025100819.2664-1-pablo@netfilter.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Once VQs are filled with empty buffers and we kick the host, it can send
connection requests. If the_virtio_vsock is not initialized before,
replies are silently dropped and do not reach the host.
virtio_transport_send_pkt() can queue packets once the_virtio_vsock is
set, but they won't be processed until vsock->tx_run is set to true. We
queue vsock->send_pkt_work when initialization finishes to send those
packets queued earlier.
Fixes: 0deab087b16a ("vsock/virtio: use RCU to avoid use-after-free on the_virtio_vsock")
Signed-off-by: Alexandru Matei <alexandru.matei@uipath.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Link: https://lore.kernel.org/r/20231024191742.14259-1-alexandru.matei@uipath.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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There are many places that enable and disable AER interrupt, so move
them into helpers.
Link: https://lore.kernel.org/r/20230512000014.118942-1-kai.heng.feng@canonical.com
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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devices"
This reverts commit 393935baa45e5ccb9603cf7f9f020ed1bc0915f7.
As reported by Ian Nartowicz, this and the next patch
result in a failure to load the driver on Celsius W280.
While the alternative would be to add the board to the DMI
override table, it is quite likely that other systems are
also affected. Revert the offending patches to avoid future
problems.
Fixes: 393935baa45e ("hwmon: (sch56xx-common) Add automatic module loading on supported devices")
Reported-by: Ian Nartowicz <deadbeef@nartowicz.co.uk>
Closes: https://lore.kernel.org/linux-hwmon/20231025192239.3c5389ae@debian.org/T/#t
Cc: Armin Wolf <W_Armin@gmx.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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This reverts commit fd2d53c367ae9983c2100ac733a834e0c79d7537.
As reported by Ian Nartowicz, this and the preceding patch
result in a failure to load the driver on Celsius W280.
While the alternative would be to add the board to the DMI
override table, it is quite likely that other systems are
also affected. Revert the offending patches to avoid future
problems.
Fixes: fd2d53c367ae ("hwmon: (sch56xx-common) Add DMI override table")
Reported-by: Ian Nartowicz <deadbeef@nartowicz.co.uk>
Closes: https://lore.kernel.org/linux-hwmon/20231025192239.3c5389ae@debian.org/T/#t
Cc: Armin Wolf <W_Armin@gmx.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into soc/dt
One new board the Turing RK1 system on module.
Support for DFI (DDR performance monitoring) for rk3588, rk3568 and an
enable-fix for rk3399 as well as some small fixups for the RGB30 handheld
(non-existent uart and better vpll frequency).
* tag 'v6.7-rockchip-dts64-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
arm64: dts: rockchip: Add Turing RK1 SoM support
dt-bindings: arm: rockchip: Add Turing RK1
dt-bindings: vendor-prefixes: add turing
arm64: dts: rockchip: Add DFI to rk3588s
arm64: dts: rockchip: Add DFI to rk356x
arm64: dts: rockchip: Always enable DFI on rk3399
arm64: dts: rockchip: Remove UART2 from RGB30
arm64: dts: rockchip: Update VPLL Frequency for RGB30
Link: https://lore.kernel.org/r/2777623.BEx9A2HvPv@phil
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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https://git.kernel.org/pub/scm/linux/kernel/git/ti/linux into soc/dt
TI K3 device-tree updates for v6.7 - part 2
Second round of few DT updates for K3 platforms. These have been in
linux-next for a few days without issues. Most of the additions is for
newer AM62P SoC dtsi bringing support on par with rest of AM62x family.
New features:
AM62P SoCs:
Support for wide range of peripherals such as eMMC/SD,
CPSW Ethernet, OSPI, etc similar to AM62
J721s2/J784s4/AM69 SoCs:
Display support via DP and HDMI interfaces and associated SerDes support
AM654 EVM/IDK:
ICSSG/PRU based industrial Ethernet support
* tag 'ti-k3-dt-for-v6.7-part2' of https://git.kernel.org/pub/scm/linux/kernel/git/ti/linux:
arm64: dts: ti: k3-am654-idk: Add ICSSG Ethernet ports
arm64: dts: ti: k3-am654-icssg2: add ICSSG2 Ethernet support
arm64: dts: ti: k3-am65-main: Add ICSSG IEP nodes
arm64: dts: ti: k3-am62p5-sk: Updates for SK EVM
arm64: dts: ti: k3-am62p: Add nodes for more IPs
arm64: dts: ti: k3-am69-sk: Add DP and HDMI support
arm64: dts: ti: k3-j784s4-evm: Enable DisplayPort-0
arm64: dts: ti: k3-j784s4-main: Add DSS and DP-bridge node
arm64: dts: ti: k3-j784s4-main: Add WIZ and SERDES PHY nodes
arm64: dts: ti: k3-j784s4-main: Add system controller and SERDES lane mux
Link: https://lore.kernel.org/r/35a3c4c9-5c1b-4891-9ea2-e3f648a9afe0@ti.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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https://github.com/Broadcom/stblinux into soc/dt
This pull request contains Broadcom ARM-based SoCs changes for 6.7,
please pull the following:
- Rafal makes a number of updates to the BCM5301X (Northstar) SoCs DTS
to set MAC addresses for D-LInk DIR-885L, Asus, RT-AC87U, he
relicenses parts of the DTSI to GPL 2.0+ / MIT, and finally fixes a
number of Ethernet switch ports properties to enable/disable ports
adequately.
* tag 'arm-soc/for-6.7/devicetree' of https://github.com/Broadcom/stblinux:
ARM: dts: BCM5301X: Set switch ports for Linksys EA9200
ARM: dts: BCM5301X: Set fixed-link for extra Netgear R8000 CPU ports
ARM: dts: BCM5301X: Explicitly disable unused switch CPU ports
ARM: dts: BCM5301X: Relicense Vivek's code to the GPL 2.0+ / MIT
ARM: dts: BCM5301X: Relicense Felix's code to the GPL 2.0+ / MIT
ARM: dts: BCM5301X: Set MAC address for Asus RT-AC87U
ARM: dts: BCM5301X: Set MACs for D-Link DIR-885L
Link: https://lore.kernel.org/r/20231024155927.977263-1-florian.fainelli@broadcom.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into soc/dt
Samsung DTS ARM changes for v6.7, part two
Two minor improvements for Midas boards (Exynos4412, e.g. Samsung Galaxy S3):
1. Correct the middle hardware key to emit KEY_OK instead of KEY_MENU,
because there is already separate touchkey providing KEY_MENU and
both label and node name suggests this should be KEY_OK.
2. Use defines for other key input constants.
* tag 'samsung-dt-6.7-2' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
ARM: dts: samsung: exynos4412-midas: use Linux event codes for input keys
ARM: dts: samsung: exynos4412-midas: fix key-ok event code
Link: https://lore.kernel.org/r/20231024132615.65609-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into soc/drivers
More Qualcomm driver updates for v6.7
The Qualcomm SMC an QSEECOM drivers are moved into a "qcom"
subdirectory, to declutter the base directory. Missing include guards
are added to the qseecom header file. Unneded extern specifiers are
removed from the scm call wrappers.
__counted_by is added to the apr_rx_buf structure, in the APR driver.
Lastly in the pmic_glink driver the pmic_glink drm_bridge type is
corrected to DisplayPort, over the incorrect "USB" value. The return
values are added to error prints for the various typec set() calls.
* tag 'qcom-drivers-for-6.7-2' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
soc: qcom: pmic_glink_altmode: Print return value on error
firmware: qcom: scm: remove unneeded 'extern' specifiers
firmware: qcom: scm: add a missing forward declaration for struct device
firmware: qcom: move Qualcomm code into its own directory
soc: qcom: apr: Add __counted_by for struct apr_rx_buf and use struct_size()
soc: qcom: pmic_glink: fix connector type to be DisplayPort
firmware: qcom: qseecom: add missing include guards
Link: https://lore.kernel.org/r/20231025201109.1016121-1-andersson@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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into soc/drivers
This pull request contains Broadcom ARM/ARM64/MIPS SoCs drivers changes
for 6.7, please pull the following:
- Kieran fixes the kdoc for devm_rpi_firmware_get
- Peter updates the dependices of the brcmstb SoC driver and
brcmstb_gisb drivers which are ARCH_BRCMSTB specific
* tag 'arm-soc/for-6.7/drivers' of https://github.com/Broadcom/stblinux:
bus: brcmstb_gisb: Depend on SoC specifics over generic arm
soc: bcm: brcmstb: depend on ARCH_BRCMSTB over arm arches
firmware: raspberrypi: Fix devm_rpi_firmware_get documentation
Link: https://lore.kernel.org/r/20231024155927.977263-2-florian.fainelli@broadcom.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Today we got a report at [1] for rcu stalls on the i915 testsuite in [2]
due to the conversion of files to SLAB_TYPSSAFE_BY_RCU. Afaict,
get_file_rcu() goes into an infinite loop trying to carefully verify
that i915->gem.mmap_singleton hasn't changed - see the splat below.
So I stared at this code to figure out what it actually does. It seems
that the i915->gem.mmap_singleton pointer itself never had rcu semantics.
The i915->gem.mmap_singleton is replaced in
file->f_op->release::singleton_release():
static int singleton_release(struct inode *inode, struct file *file)
{
struct drm_i915_private *i915 = file->private_data;
cmpxchg(&i915->gem.mmap_singleton, file, NULL);
drm_dev_put(&i915->drm);
return 0;
}
The cmpxchg() is ordered against a concurrent update of
i915->gem.mmap_singleton from mmap_singleton(). IOW, when
mmap_singleton() fails to get a reference on i915->gem.mmap_singleton:
While mmap_singleton() does
rcu_read_lock();
file = get_file_rcu(&i915->gem.mmap_singleton);
rcu_read_unlock();
it allocates a new file via anon_inode_getfile() and does
smp_store_mb(i915->gem.mmap_singleton, file);
So, then what happens in the case of this bug is that at some point
fput() is called and drops the file->f_count to zero leaving the pointer
in i915->gem.mmap_singleton in tact.
Now, there might be delays until
file->f_op->release::singleton_release() is called and
i915->gem.mmap_singleton is set to NULL.
Say concurrently another task hits mmap_singleton() and does:
rcu_read_lock();
file = get_file_rcu(&i915->gem.mmap_singleton);
rcu_read_unlock();
When get_file_rcu() fails to get a reference via atomic_inc_not_zero()
it will try the reload from i915->gem.mmap_singleton expecting it to be
NULL, assuming it has comparable semantics as we expect in
__fget_files_rcu().
But it hasn't so it reloads the same pointer again, trying the same
atomic_inc_not_zero() again and doing so until
file->f_op->release::singleton_release() of the old file has been
called.
So, in contrast to __fget_files_rcu() here we want to not retry when
atomic_inc_not_zero() has failed. We only want to retry in case we
managed to get a reference but the pointer did change on reload.
<3> [511.395679] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
<3> [511.395716] rcu: Tasks blocked on level-1 rcu_node (CPUs 0-9): P6238
<3> [511.395934] rcu: (detected by 16, t=65002 jiffies, g=123977, q=439 ncpus=20)
<6> [511.395944] task:i915_selftest state:R running task stack:10568 pid:6238 tgid:6238 ppid:1001 flags:0x00004002
<6> [511.395962] Call Trace:
<6> [511.395966] <TASK>
<6> [511.395974] ? __schedule+0x3a8/0xd70
<6> [511.395995] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
<6> [511.396003] ? lockdep_hardirqs_on+0xc3/0x140
<6> [511.396013] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
<6> [511.396029] ? get_file_rcu+0x10/0x30
<6> [511.396039] ? get_file_rcu+0x10/0x30
<6> [511.396046] ? i915_gem_object_mmap+0xbc/0x450 [i915]
<6> [511.396509] ? i915_gem_mmap+0x272/0x480 [i915]
<6> [511.396903] ? mmap_region+0x253/0xb60
<6> [511.396925] ? do_mmap+0x334/0x5c0
<6> [511.396939] ? vm_mmap_pgoff+0x9f/0x1c0
<6> [511.396949] ? rcu_is_watching+0x11/0x50
<6> [511.396962] ? igt_mmap_offset+0xfc/0x110 [i915]
<6> [511.397376] ? __igt_mmap+0xb3/0x570 [i915]
<6> [511.397762] ? igt_mmap+0x11e/0x150 [i915]
<6> [511.398139] ? __trace_bprintk+0x76/0x90
<6> [511.398156] ? __i915_subtests+0xbf/0x240 [i915]
<6> [511.398586] ? __pfx___i915_live_setup+0x10/0x10 [i915]
<6> [511.399001] ? __pfx___i915_live_teardown+0x10/0x10 [i915]
<6> [511.399433] ? __run_selftests+0xbc/0x1a0 [i915]
<6> [511.399875] ? i915_live_selftests+0x4b/0x90 [i915]
<6> [511.400308] ? i915_pci_probe+0x106/0x200 [i915]
<6> [511.400692] ? pci_device_probe+0x95/0x120
<6> [511.400704] ? really_probe+0x164/0x3c0
<6> [511.400715] ? __pfx___driver_attach+0x10/0x10
<6> [511.400722] ? __driver_probe_device+0x73/0x160
<6> [511.400731] ? driver_probe_device+0x19/0xa0
<6> [511.400741] ? __driver_attach+0xb6/0x180
<6> [511.400749] ? __pfx___driver_attach+0x10/0x10
<6> [511.400756] ? bus_for_each_dev+0x77/0xd0
<6> [511.400770] ? bus_add_driver+0x114/0x210
<6> [511.400781] ? driver_register+0x5b/0x110
<6> [511.400791] ? i915_init+0x23/0xc0 [i915]
<6> [511.401153] ? __pfx_i915_init+0x10/0x10 [i915]
<6> [511.401503] ? do_one_initcall+0x57/0x270
<6> [511.401515] ? rcu_is_watching+0x11/0x50
<6> [511.401521] ? kmalloc_trace+0xa3/0xb0
<6> [511.401532] ? do_init_module+0x5f/0x210
<6> [511.401544] ? load_module+0x1d00/0x1f60
<6> [511.401581] ? init_module_from_file+0x86/0xd0
<6> [511.401590] ? init_module_from_file+0x86/0xd0
<6> [511.401613] ? idempotent_init_module+0x17c/0x230
<6> [511.401639] ? __x64_sys_finit_module+0x56/0xb0
<6> [511.401650] ? do_syscall_64+0x3c/0x90
<6> [511.401659] ? entry_SYSCALL_64_after_hwframe+0x6e/0xd8
<6> [511.401684] </TASK>
Link: [1]: https://lore.kernel.org/intel-gfx/SJ1PR11MB6129CB39EED831784C331BAFB9DEA@SJ1PR11MB6129.namprd11.prod.outlook.com
Link: [2]: https://intel-gfx-ci.01.org/tree/linux-next/next-20231013/bat-dg2-11/igt@i915_selftest@live@mman.html#dmesg-warnings10963
Cc: Jann Horn <jannh@google.com>,
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/r/20231025-formfrage-watscheln-84526cd3bd7d@brauner
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Convert txt file to yaml.
Add maintainers list.
Signed-off-by: Nik Bune <n2h9z4@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20231023202622.18558-1-n2h9z4@gmail.com
Signed-off-by: Rob Herring <robh@kernel.org>
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Convert txt file to yaml.
Add a mainterner block. Took a value from dlg,da9063 PMIC.
Signed-off-by: Nik Bune <n2h9z4@gmail.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20231014170434.159310-1-n2h9z4@gmail.com
Signed-off-by: Rob Herring <robh@kernel.org>
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imx8dxl also contains the SCU watchdog block.
Add an entry for 'fsl,imx8dxl-sc-wdt'.
Cc: Wim Van Sebroeck <wim@linux-watchdog.org>
Cc: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Fabio Estevam <festevam@denx.de>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20231004182043.2309790-1-festevam@gmail.com
Signed-off-by: Rob Herring <robh@kernel.org>
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Convert txt file to yaml.
Signed-off-by: Nik Bune <n2h9z4@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230924181959.64264-1-n2h9z4@gmail.com
Signed-off-by: Rob Herring <robh@kernel.org>
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In the regmap conversion in commit 4ef2774511dc ("hwmon: (nct6775)
Convert register access to regmap API") I reused the 'reg' variable
for all three register reads in the fan speed calculation loop in
nct6775_update_device(), but failed to notice that the value from the
first one (data->REG_FAN[i]) is actually used in the call to
nct6775_select_fan_div() at the end of the loop body. Since that
patch the register value passed to nct6775_select_fan_div() has been
(conditionally) incorrectly clobbered with the value of a different
register than intended, which has in at least some cases resulted in
fan speeds being adjusted down to zero.
Fix this by using dedicated temporaries for the two intermediate
register reads instead of 'reg'.
Signed-off-by: Zev Weiss <zev@bewilderbeest.net>
Fixes: 4ef2774511dc ("hwmon: (nct6775) Convert register access to regmap API")
Reported-by: Thomas Zajic <zlatko@gmx.at>
Tested-by: Thomas Zajic <zlatko@gmx.at>
Cc: stable@vger.kernel.org # v5.19+
Link: https://lore.kernel.org/r/20230929200822.964-2-zev@bewilderbeest.net
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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When splitting the allocation of the ITS node from its configuration,
some of the default settings were kept in the latter instead of
being moved to the former.
This has the side effect of negating some of the quirk detections that
have happened in between, amongst which the dreaded Synquacer hack
(that also affect Dominic's TI platform).
Move the initialisation of these fields early, so that they can again be
overriden by the Synquacer quirk.
Fixes: 9585a495ac93 ("irqchip/gic-v3-its: Split allocation from initialisation of its_node")
Reported by: Dominic Rath <dominic.rath@ibv-augsburg.net>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Dominic Rath <dominic.rath@ibv-augsburg.net>
Link: https://lore.kernel.org/r/20231024084831.GA3788@JADEVM-DRA
Link: https://lore.kernel.org/r/20231024143431.2144579-1-maz@kernel.org
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Mat Martineau says:
====================
mptcp: Features and fixes for v6.7
Patch 1 adds a configurable timeout for the MPTCP connection when all
subflows are closed, to support break-before-make use cases.
Patch 2 is a fix for a 1-byte error in rx data counters with MPTCP
fastopen connections.
Patch 3 is a minor code cleanup.
Patches 4 & 5 add handling of rcvlowat for MPTCP sockets, with a
prerequisite patch to use a common scaling ratio between TCP and MPTCP.
Patch 6 improves efficiency of memory copying in MPTCP transmit code.
Patch 7 refactors syncing of socket options from the MPTCP socket to
its subflows.
Patches 8 & 9 help the MPTCP packet scheduler perform well by changing
the handling of notsent_lowat in subflows and how available buffer space
is calculated for MPTCP-level sends.
====================
Link: https://lore.kernel.org/r/20231023-send-net-next-20231023-2-v1-0-9dc60939d371@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The MPTCP protocol account for the data enqueued on all the subflows
to the main socket send buffer, while the send buffer auto-tuning
algorithm set the main socket send buffer size as the max size among
the subflows.
That causes bad performances when at least one subflow is sndbuf
limited, e.g. due to very high latency, as the MPTCP scheduler can't
even fill such buffer.
Change the send-buffer auto-tuning algorithm to compute the main socket
send buffer size as the sum of all the subflows buffer size.
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <martineau@kernel.org>
Link: https://lore.kernel.org/r/20231023-send-net-next-20231023-2-v1-9-9dc60939d371@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Any latency related tuning taking action at the subflow level does
not really affect the user-space, as only the main MPTCP socket is
relevant.
Anyway any limiting setting may foul the MPTCP scheduler, not being
able to fully use the subflow-level cwin, leading to very poor b/w
usage.
Enforce notsent_lowat to be a no-op on every subflow.
Note that TCP_NOTSENT_LOWAT is currently not supported, and properly
dealing with that will require more invasive changes.
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <martineau@kernel.org>
Link: https://lore.kernel.org/r/20231023-send-net-next-20231023-2-v1-8-9dc60939d371@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Move the socket option synchronization for active subflows
at subflow creation time. This allows removing the now unused
unlocked variant of such helper.
While at that, clean-up a bit the mptcp_subflow_create_socket()
errors path.
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <martineau@kernel.org>
Link: https://lore.kernel.org/r/20231023-send-net-next-20231023-2-v1-7-9dc60939d371@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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