incl_srcpt has the limitation, mentioned in commit b4638af888 ("net:
dsa: sja1105: always enable the INCL_SRCPT option"), that frames with a
MAC DA of 01:80:c2:xx:yy:zz will be received as 01:80:c2:00:00:zz unless
PTP RX timestamping is enabled.
The incl_srcpt option was initially unconditionally enabled, then that
changed with commit 42824463d3 ("net: dsa: sja1105: Limit use of
incl_srcpt to bridge+vlan mode"), then again with b4638af888 ("net:
dsa: sja1105: always enable the INCL_SRCPT option"). Bottom line is that
it now needs to be always enabled, otherwise the driver does not have a
reliable source of information regarding source_port and switch_id for
link-local traffic (tag_8021q VLANs may be imprecise since now they
identify an entire bridging domain when ports are not standalone).
If we accept that PTP RX timestamping (and therefore, meta frame
generation) is always enabled in hardware, then that limitation could be
avoided and packets with any MAC DA can be properly received, because
meta frames do contain the original bytes from the MAC DA of their
associated link-local packet.
This change enables meta frame generation unconditionally, which also
has the nice side effects of simplifying the switch control path
(a switch reset is no longer required on hwtstamping settings change)
and the tagger data path (it no longer needs to be informed whether to
expect meta frames or not - it always does).
Fixes: 227d07a07e ("net: dsa: sja1105: Add support for traffic through standalone ports")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The SJA1105 manual says that at offset 4 into the meta frame payload we
have "MAC destination byte 2" and at offset 5 we have "MAC destination
byte 1". These are counted from the LSB, so byte 1 is h_dest[ETH_HLEN-2]
aka h_dest[4] and byte 2 is h_dest[ETH_HLEN-3] aka h_dest[3].
The sja1105_meta_unpack() function decodes these the other way around,
so a frame with MAC DA 01:80:c2:11:22:33 is received by the network
stack as having 01:80:c2:22:11:33.
Fixes: e53e18a6fe ("net: dsa: sja1105: Receive and decode meta frames")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
strlcpy() reads the entire source buffer first.
This read may exceed the destination size limit.
This is both inefficient and can lead to linear read
overflows if a source string is not NUL-terminated [1].
In an effort to remove strlcpy() completely [2], replace
strlcpy() here with strscpy().
No return values were used, so direct replacement is safe.
[1] https://www.kernel.org/doc/html/latest/process/deprecated.html#strlcpy
[2] https://github.com/KSPP/linux/issues/89
Signed-off-by: Azeem Shaikh <azeemshaikh38@gmail.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
PPTP uses pppox sockets (struct pppox_sock). These sockets don't embed
an inet_sock structure, so it's invalid to call inet_sk() on them.
Therefore, the ip_route_output_ports() call in pptp_connect() has two
problems:
* The tos variable is set with RT_CONN_FLAGS(sk), which calls
inet_sk() on the pppox socket.
* ip_route_output_ports() tries to retrieve routing flags using
inet_sk_flowi_flags(), which is also going to call inet_sk() on the
pppox socket.
While PPTP doesn't use inet sockets, it's actually really layered on
top of IP and therefore needs a proper way to do fib lookups. So let's
define pptp_route_output() to get a struct rtable from a pptp socket.
Let's also replace the ip_route_output_ports() call of pptp_xmit() for
consistency.
In practice, this means that:
* pptp_connect() sets ->flowi4_tos and ->flowi4_flags to zero instead
of using bits of unrelated struct pppox_sock fields.
* pptp_xmit() now respects ->sk_mark and ->sk_uid.
* pptp_xmit() now calls the security_sk_classify_flow() security
hook, thus allowing to set ->flowic_secid.
* pptp_xmit() now passes the pppox socket to xfrm_lookup_route().
Found by code inspection.
Fixes: 00959ade36 ("PPTP: PPP over IPv4 (Point-to-Point Tunneling Protocol)")
Signed-off-by: Guillaume Nault <gnault@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The mlxsw_sp_crif_alloc() function returns NULL on error. It doesn't
return error pointers. Fix the check.
Fixes: 78126cfd5d ("mlxsw: spectrum_router: Maintain CRIF for fallback loopback RIF")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Alexander Lobakin <aleksander.lobakin@intel.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
- Add missing __init annotation to one function in the intel_idle
drvier (Rafael Wysocki).
- Make intel_pstate use a correct scaling factor when mapping HWP
performance levels to frequency values on hybrid-capable systems
with disabled E-cores (Srinivas Pandruvada).
- Fix Kconfig dependencies of the cpufreq-dt-platform driver (Viresh
Kumar).
- Add support to build cpufreq-dt-platdev as a module (Zhipeng Wang).
- Don't allocate Sparc's cpufreq_driver dynamically (Viresh Kumar).
- Add support for TI's AM62A7 platform (Vibhore Vardhan).
- Add support for Armada's ap807 platform (Russell King (Oracle)).
- Add support for StarFive JH7110 SoC (Mason Huo).
- Fix voltage selection for Mediatek Socs (Daniel Golle).
- Fix error handling in Tegra's cpufreq driver (Christophe JAILLET).
- Document Qualcomm's IPQ8074 in DT bindings (Robert Marko).
- Don't warn for disabling a non-existing frequency for imx6q cpufreq
driver (Christoph Niedermaier).
- Use dev_err_probe() in Qualcomm's cpufreq driver (Andrew Halaney).
- Simplify performance state related logic in the OPP core (Viresh
Kumar).
- Fix use-after-free and improve locking around lazy_opp_tables (Viresh
Kumar, Stephan Gerhold).
- Minor cleanups - using dev_err_probe() and rate-limiting debug
messages (Andrew Halaney, Adrián Larumbe).
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Merge tag 'pm-6.5-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more power management updates from Rafael Wysocki:
"These add support for new hardware (ap807 and AM62A7), fix several
issues in cpufreq drivers and in the operating performance points
(OPP) framework, fix up intel_idle after recent changes and add
documentation.
Specifics:
- Add missing __init annotation to one function in the intel_idle
drvier (Rafael Wysocki)
- Make intel_pstate use a correct scaling factor when mapping HWP
performance levels to frequency values on hybrid-capable systems
with disabled E-cores (Srinivas Pandruvada)
- Fix Kconfig dependencies of the cpufreq-dt-platform driver (Viresh
Kumar)
- Add support to build cpufreq-dt-platdev as a module (Zhipeng Wang)
- Don't allocate Sparc's cpufreq_driver dynamically (Viresh Kumar)
- Add support for TI's AM62A7 platform (Vibhore Vardhan)
- Add support for Armada's ap807 platform (Russell King (Oracle))
- Add support for StarFive JH7110 SoC (Mason Huo)
- Fix voltage selection for Mediatek Socs (Daniel Golle)
- Fix error handling in Tegra's cpufreq driver (Christophe JAILLET)
- Document Qualcomm's IPQ8074 in DT bindings (Robert Marko)
- Don't warn for disabling a non-existing frequency for imx6q cpufreq
driver (Christoph Niedermaier)
- Use dev_err_probe() in Qualcomm's cpufreq driver (Andrew Halaney)
- Simplify performance state related logic in the OPP core (Viresh
Kumar)
- Fix use-after-free and improve locking around lazy_opp_tables
(Viresh Kumar, Stephan Gerhold)
- Minor cleanups - using dev_err_probe() and rate-limiting debug
messages (Andrew Halaney, Adrián Larumbe)"
* tag 'pm-6.5-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (23 commits)
cpufreq: intel_pstate: Fix scaling for hybrid-capable systems with disabled E-cores
cpufreq: Make CONFIG_CPUFREQ_DT_PLATDEV depend on OF
intel_idle: Add __init annotation to matchup_vm_state_with_baremetal()
OPP: Properly propagate error along when failing to get icc_path
OPP: Use dev_err_probe() when failing to get icc_path
cpufreq: qcom-cpufreq-hw: Use dev_err_probe() when failing to get icc paths
cpufreq: mediatek: correct voltages for MT7622 and MT7623
cpufreq: armada-8k: add ap807 support
OPP: Simplify the over-designed pstate <-> level dance
OPP: pstate is only valid for genpd OPP tables
OPP: don't drop performance constraint on OPP table removal
OPP: Protect `lazy_opp_tables` list with `opp_table_lock`
OPP: Staticize `lazy_opp_tables` in of.c
cpufreq: dt-platdev: Support building as module
opp: Fix use-after-free in lazy_opp_tables after probe deferral
dt-bindings: cpufreq: qcom-cpufreq-nvmem: document IPQ8074
cpufreq: dt-platdev: Blacklist ti,am62a7 SoC
cpufreq: ti-cpufreq: Add support for AM62A7
OPP: rate-limit debug messages when no change in OPP is required
cpufreq: imx6q: don't warn for disabling a non-existing frequency
...
driver updates needed more time to bake in linux-next.
Updates:
- Support for more clk controllers in Qualcomm SoCs such as SM8350,
SM8450, SDX75, SC8280XP, and IPQ9574
- Runtime PM enablement of some more Qualcomm clk controllers
- Various fixes to Qualcomm clk driver data to use correct clk_ops
and to check halt bits properly
- AT91 updates to modernize with clk_parent_data structures
Fixes:
- Remove "syscon" from dt binding fix for ti,j721e-system-controller
- Fix determine rate in the Tegra driver that got wrecked by the
refactorting of muxes this merge window
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull more clk updates from Stephen Boyd:
"Another set of clk driver updates and fixes for the merge window. The
driver updates needed more time to bake in linux-next.
Updates:
- Support for more clk controllers in Qualcomm SoCs such as SM8350,
SM8450, SDX75, SC8280XP, and IPQ9574
- Runtime PM enablement of some more Qualcomm clk controllers
- Various fixes to Qualcomm clk driver data to use correct clk_ops
and to check halt bits properly
- AT91 updates to modernize with clk_parent_data structures
Fixes:
- Remove 'syscon' from dt binding fix for ti,j721e-system-controller
- Fix determine rate in the Tegra driver that got wrecked by the
refactorting of muxes this merge window"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (69 commits)
clk: tegra: Avoid calling an uninitialized function
dt-bindings: mfd: ti,j721e-system-controller: Remove syscon from example
clk: at91: sama7g5: s/ep_chg_chg_id/ep_chg_id
clk: at91: sama7g5: switch to parent_hw and parent_data
clk: at91: sckc: switch to parent_data/parent_hw
clk: at91: clk-sam9x60-pll: add support for parent_hw
clk: at91: clk-utmi: add support for parent_hw
clk: at91: clk-system: add support for parent_hw
clk: at91: clk-programmable: add support for parent_hw
clk: at91: clk-peripheral: add support for parent_hw
clk: at91: clk-master: add support for parent_hw
clk: at91: clk-generated: add support for parent_hw
clk: at91: clk-main: add support for parent_data/parent_hw
clk: qcom: gcc-sc8280xp: Add runtime PM
clk: qcom: gpucc-sc8280xp: Add runtime PM
clk: qcom: mmcc-msm8974: fix MDSS_GDSC power flags
clk: qcom: gpucc-sm6375: Enable runtime pm
dt-bindings: clock: sm6375-gpucc: Add VDD_GX
clk: qcom: gcc-sm6115: Add missing PLL config properties
clk: qcom: clk-alpha-pll: Add a way to update some bits of test_ctl(_hi)
...
The updates consist of three parts; UAPI update, OHCI driver update, and
several bug fixes.
Firstly, the 1394 OHCI specification defines method to retrieve hardware
time stamps for asynchronous communication, which was previously
unavailable in user space. This change adds new events to the UAPI,
allowing applications to retrieve the time when asynchronous packet are
received and sent. The new events are tested in the breeding edge of
libhinawa and look to work well. The new version of libhinawa will be
released after current merge window is closed.
* https://git.kernel.org/pub/scm/libs/ieee1394/libhinawa.git/
Secondly, the FireWire stack includes a PCM device driver for 1394 OHCI
hardware, This change modernizes the driver by managed resource (devres)
framework.
Lastly, the rest of change is bug fixes for firewire-net and firewire-core.
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Merge tag 'firewire-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394
Pull firewire updates from Takashi Sakamoto:
"This consist of three parts; UAPI update, OHCI driver update, and
several bug fixes.
Firstly, the 1394 OHCI specification defines method to retrieve
hardware time stamps for asynchronous communication, which was
previously unavailable in user space. This adds new events to the
UAPI, allowing applications to retrieve the time when asynchronous
packet are received and sent. The new events are tested in the
bleeding edge of libhinawa and look to work well. The new version of
libhinawa will be released after current merge window is closed:
https://git.kernel.org/pub/scm/libs/ieee1394/libhinawa.git/
Secondly, the FireWire stack includes a PCM device driver for 1394
OHCI hardware, This change modernizes the driver by managed resource
(devres) framework.
Lastly, bug fixes for firewire-net and firewire-core"
* tag 'firewire-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394: (25 commits)
firewire: net: fix use after free in fwnet_finish_incoming_packet()
firewire: core: obsolete usage of GFP_ATOMIC at building node tree
firewire: ohci: release buffer for AR req/resp contexts when managed resource is released
firewire: ohci: use devres for content of configuration ROM
firewire: ohci: use devres for IT, IR, AT/receive, and AT/request contexts
firewire: ohci: use devres for list of isochronous contexts
firewire: ohci: use devres for requested IRQ
firewire: ohci: use devres for misc DMA buffer
firewire: ohci: use devres for MMIO region mapping
firewire: ohci: use devres for PCI-related resources
firewire: ohci: use devres for memory object of ohci structure
firewire: fix warnings to generate UAPI documentation
firewire: fix build failure due to missing module license
firewire: cdev: implement new event relevant to phy packet with time stamp
firewire: cdev: add new event to notify phy packet with time stamp
firewire: cdev: code refactoring to dispatch event for phy packet
firewire: cdev: implement new event to notify response subaction with time stamp
firewire: cdev: add new event to notify response subaction with time stamp
firewire: cdev: code refactoring to operate event of response
firewire: core: implement variations to send request and wait for response with time stamp
...
Instead of doing two pass parsing of the table, replace
acpi_match_device_ids() with acpi_match_acpi_device().
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
There are at least two places in the kernel that are using
the SMB0001 HID. Make it to be available via acpi_drivers.h
header file. While at it, replace hard coded one with a
definition.
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Acked-by: Wolfram Sang <wsa@kernel.org> # for I2C
Link: https://lore.kernel.org/r/20230621151652.79579-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
After switching i2c-scmi driver to be a platform one, it stopped
being enumerated on number of Kontron platforms, because it's
listed in the forbidden_id_list.
To resolve the situation, add a flag to driver data to allow devices
with no resources in _CRS to be enumerated via platform bus.
Fixes: 03d4287add ("i2c: scmi: Convert to be a platform driver")
Closes: https://lore.kernel.org/r/60c1756765b9a3f1eab0dcbd84f59f00fe1caf48.camel@kontron.com
Link: https://lore.kernel.org/r/20230621151652.79579-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
[ rjw: Move has_resource definition to the block in which it is used and
initialize it to 'false' ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Match the ACPI device against a given list of ACPI IDs.
Subsequent changes will make use of this.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
[ rjw: Changelog edit ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Vegard Nossum pointed out two different problems with the error handling
in init_module_from_file():
(a) the idempotent loading code didn't clean up properly in some error
cases, leaving the on-stack 'struct idempotent' element still in
the hash table
(b) failure to read the module file would nonsensically update the
'invalid_kread_bytes' stat counter with the error value
The first error is quite nasty, in that it can then cause subsequent
idempotent loads of that same file to access stale stack contents of the
previous failure. The case may not happen in any normal situation
(explaining all the "Tested-by's on the original change), and requires
admin privileges, but syzkaller triggers random bad behavior as a
result:
BUG: soft lockup in sys_finit_module
BUG: unable to handle kernel paging request in init_module_from_file
general protection fault in init_module_from_file
INFO: task hung in init_module_from_file
KASAN: out-of-bounds Read in init_module_from_file
KASAN: slab-out-of-bounds Read in init_module_from_file
...
The second error is fairly benign and just leads to nonsensical stats
(and has been around since the debug stats were added).
Vegard also provided a patch for the idempotent loading issue, but I'd
rather re-organize the code and make it more legible using another level
of helper functions than add the usual "goto out" error handling.
Link: https://lore.kernel.org/lkml/20230704100852.23452-1-vegard.nossum@oracle.com/
Fixes: 9b9879fc03 ("modules: catch concurrent module loads, treat them as idempotent")
Reported-by: Vegard Nossum <vegard.nossum@oracle.com>
Reported-by: Harshit Mogalapalli <harshit.m.mogalapalli@oracle.com>
Reported-by: syzbot+9c2bdc9d24e4a7abe741@syzkaller.appspotmail.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
There are two pieces of data being exported from drivers/acpi/scan.c
(acpi_device_lock and acpi_wakeup_device_list) that don't have their
definitions declared in anything scan.c is including.
Fix the following sparse warnings by including sleep.h to add the
declarations of acpi_device_lock and acpi_wakeup_device_list to
fix the followng sparse warnings:
drivers/acpi/scan.c:42:1: warning: symbol 'acpi_device_lock' was not declared. Should it be static?
drivers/acpi/scan.c:43:1: warning: symbol 'acpi_wakeup_device_list' was not declared. Should it be static?
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Merge CPU power management updates for 6.5-rc1:
- Add missing __init annotation to one function in the intel_idle
drvier (Rafael Wysocki).
- Make intel_pstate use a correct scaling factor when mapping HWP
performance levels to frequency values on hybrid-capable systems
with disabled E-cores (Srinivas Pandruvada).
- Fix Kconfig dependencies of the cpufreq-dt-platform driver (Viresh
Kumar).
- Add support to build cpufreq-dt-platdev as a module (Zhipeng Wang).
- Don't allocate Sparc's cpufreq_driver dynamically (Viresh Kumar).
- Add support for TI's AM62A7 platform (Vibhore Vardhan).
- Add support for Armada's ap807 platform (Russell King (Oracle)).
- Add support for StarFive JH7110 SoC (Mason Huo).
- Fix voltage selection for Mediatek Socs (Daniel Golle).
- Fix error handling in Tegra's cpufreq driver (Christophe JAILLET).
- Document Qualcomm's IPQ8074 in DT bindings (Robert Marko).
- Don't warn for disabling a non-existing frequency for imx6q cpufreq
driver (Christoph Niedermaier).
- Use dev_err_probe() in Qualcomm's cpufreq driver (Andrew Halaney).
* pm-cpufreq:
cpufreq: intel_pstate: Fix scaling for hybrid-capable systems with disabled E-cores
cpufreq: Make CONFIG_CPUFREQ_DT_PLATDEV depend on OF
cpufreq: qcom-cpufreq-hw: Use dev_err_probe() when failing to get icc paths
cpufreq: mediatek: correct voltages for MT7622 and MT7623
cpufreq: armada-8k: add ap807 support
cpufreq: dt-platdev: Support building as module
dt-bindings: cpufreq: qcom-cpufreq-nvmem: document IPQ8074
cpufreq: dt-platdev: Blacklist ti,am62a7 SoC
cpufreq: ti-cpufreq: Add support for AM62A7
cpufreq: imx6q: don't warn for disabling a non-existing frequency
cpufreq: sparc: Don't allocate cpufreq_driver dynamically
cpufreq: tegra194: Fix an error handling path in tegra194_cpufreq_probe()
cpufreq: dt-platdev: Add JH7110 SOC to the allowlist
* pm-cpuidle:
intel_idle: Add __init annotation to matchup_vm_state_with_baremetal()
As of commit 2ac8743437 ("RISC-V: split early & late of_node to
hartid mapping") my CI complains about newly added pr_err() messages
during boot, for example:
[ 0.000000] Couldn't find cpu id for hartid [0]
[ 0.000000] riscv-intc: unable to find hart id for /cpus/cpu@0/interrupt-controller
Before the split, riscv_of_processor_hartid() contained a check for
whether the cpu was "available", before calling riscv_hartid_to_cpuid(),
but after the split riscv_of_processor_hartid() can be called for cpus
that are disabled.
Most callers of riscv_hartid_to_cpuid() already report custom errors
where it falls, making this print superfluous in those case. In other
places, the print adds nothing - see riscv_intc_init() for example.
Fixes: 2ac8743437 ("RISC-V: split early & late of_node to hartid mapping")
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20230629-paternity-grafted-b901b76d04a0@wendy
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
The RISC-V vector specification states:
Executing a system call causes all caller-saved vector registers
(v0-v31, vl, vtype) and vstart to become unspecified.
The vector registers are set to all 1s, vill is set (invalid), and the
vector status is set to Dirty.
That way we can prevent userspace from accidentally relying on the
stated save.
Rémi pointed out [1] that writing to the registers might be
superfluous, and setting vill is sufficient.
Link: https://lore.kernel.org/linux-riscv/12784326.9UPPK3MAeB@basile.remlab.net/ # [1]
Suggested-by: Darius Rad <darius@bluespec.com>
Suggested-by: Palmer Dabbelt <palmer@rivosinc.com>
Suggested-by: Rémi Denis-Courmont <remi@remlab.net>
Signed-off-by: Björn Töpel <bjorn@rivosinc.com>
Link: https://lore.kernel.org/r/20230629142228.1125715-1-bjorn@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
With this configuration opened, the basic platform-independent s2idle is
provided by the sole "s2idle" string in `/sys/power/mem_sleep`.
At the end of s2idle, harts will hit the `wfi` instruction or enter the
SUSPENDED state through the sbi_cpuidle driver. The interrupt of possible
wakeup devices will be kept to wake the system up.
And platform-specific sleep states can be provided by future ACPI and
SBI SUSP extension support.
Signed-off-by: Song Shuai <songshuaishuai@tinylab.org>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Link: https://lore.kernel.org/r/20230529101524.322076-1-songshuaishuai@tinylab.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Commit 493ffb046c ("clk: tegra: super: Switch to determine_rate")
replaced clk_super_round_rate() by clk_super_determine_rate(), but
didn't update one callsite that was explicitly calling the old
tegra_clk_super_ops.round_rate() function, which was now NULL. This
resulted in a crash on Tegra30 systems during early boot.
Switch this callsite over to the clk_super_determine_rate() equivalent
to avoid the crash.
Fixes: 493ffb046c ("clk: tegra: super: Switch to determine_rate")
Tested-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20230630130748.840729-1-thierry.reding@gmail.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Add include of <vdso/vsyscall.h> to pull in the defition of vdso_data
to remove the following sparse warning:
arch/riscv/kernel/vdso.c:39:18: warning: symbol 'vdso_data' was not declared. Should it be static?
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Link: https://lore.kernel.org/r/20230616114357.159601-1-ben.dooks@codethink.co.uk
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Enums benefit from private markings, too. For netlink attribute
name enums always end with a pair of __$n_MAX and $n_MAX members.
Documenting them feels a bit tedious.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Message-ID: <20230621223525.2722703-1-kuba@kernel.org>
The kernel cmdline option panic_on_warn expects an integer, it is not a
plain option as documented. A number of uses in the tree figured this
already, and use panic_on_warn=1 for their purpose.
Adjust a comment which otherwise may mislead people in the future.
Fixes: 9e3961a097 ("kernel: add panic_on_warn")
Signed-off-by: Olaf Hering <olaf@aepfle.de>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This is an addition to commit ae80b40419 ("mm: validate the mm before
dropping the mmap lock"), because it turns out there were two problems,
but lockdep just stopped complaining after finding the first one.
The do_vmi_align_munmap() function now drops the mmap lock after doing
the validate_mm() call, but it turns out that one of the callers then
immediately calls validate_mm() again.
That's both a bit silly, and now (again) happens without the mmap lock
held.
So just remove that validate_mm() call from the caller, but make sure to
not lose any coverage by doing that mm sanity checking in the error path
of do_vmi_align_munmap() too.
Reported-and-tested-by: kernel test robot <oliver.sang@intel.com>
Link: https://lore.kernel.org/lkml/ZKN6CdkKyxBShPHi@xsang-OptiPlex-9020/
Fixes: 408579cd62 ("mm: Update do_vmi_align_munmap() return semantics")
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Update my email address to a working one, as the openwrt.org one is
broken since ages.
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Acked-by: William Zhang <william.zhang@broadcom.com>
Link: https://lore.kernel.org/r/20230630202257.8449-2-jonas.gorski@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Hopefully, nobody is trying to abuse mount/sb marks for watching all
anonymous pipes/inodes.
I cannot think of a good reason to allow this - it looks like an
oversight that dated back to the original fanotify API.
Link: https://lore.kernel.org/linux-fsdevel/20230628101132.kvchg544mczxv2pm@quack3/
Fixes: 0ff21db9fc ("fanotify: hooks the fanotify_mark syscall to the vfsmount code")
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Jan Kara <jack@suse.cz>
Message-Id: <20230629042044.25723-1-amir73il@gmail.com>
Instead of modifying the device info on the fly, use static const mock
device info.
It's not okay to modify device info at runtime; we've added separate
runtime info for info that needs to be modified at runtime. We've added
safeguards to device info to prevent it from being modified, but commit
5e352e32ae ("drm/i915: preparation for using PAT index") just cast the
const away and modified it anyway. This prevents device info from being
moved to rodata.
Fixes: 5e352e32ae ("drm/i915: preparation for using PAT index")
Suggested-by: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Cc: Fei Yang <fei.yang@intel.com>
Cc: Andi Shyti <andi.shyti@linux.intel.com>
Cc: Andrzej Hajda <andrzej.hajda@intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/b0db62045a96a3fd4cf123685da88cc777f9b485.1687878757.git.jani.nikula@intel.com
(cherry picked from commit ecc7a3ce07)
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
The multiplication got replaced by an addition in some cleanup.
This means we never write the correct data to some of the BDW
PSR data registers and thus we fail to actually wake up the
panel from PSR.
Fixes: 4ab4fa1032 ("drm/i915/psr: Make PSR registers relative to transcoders")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230609141404.12729-3-ville.syrjala@linux.intel.com
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
(cherry picked from commit 460dc4ba14)
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
The attribute TCA_PEDIT_PARMS_EX is not be included in pedit_policy and
one malicious user could fake a TCA_PEDIT_PARMS_EX whose length is
smaller than the intended sizeof(struct tc_pedit). Hence, the
dereference in tcf_pedit_init() could access dirty heap data.
static int tcf_pedit_init(...)
{
// ...
pattr = tb[TCA_PEDIT_PARMS]; // TCA_PEDIT_PARMS is included
if (!pattr)
pattr = tb[TCA_PEDIT_PARMS_EX]; // but this is not
// ...
parm = nla_data(pattr);
index = parm->index; // parm is able to be smaller than 4 bytes
// and this dereference gets dirty skb_buff
// data created in netlink_sendmsg
}
This commit adds TCA_PEDIT_PARMS_EX length in pedit_policy which avoid
the above case, just like the TCA_PEDIT_PARMS.
Fixes: 71d0ed7079 ("net/act_pedit: Support using offset relative to the conventional network headers")
Signed-off-by: Lin Ma <linma@zju.edu.cn>
Reviewed-by: Pedro Tammela <pctammela@mojatatu.com>
Link: https://lore.kernel.org/r/20230703110842.590282-1-linma@zju.edu.cn
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
The helper is explicitly documented as locking zero, one, or two
arguments. While all current callers do pass non-NULL arguments there's
no need or requirement for them to do so according to the code and the
unlock_two_nondirectories() helper is pretty clear about it as well. So
only call WARN_ON_ONCE() if the checked inode is valid.
Fixes: 2454ad83b9 ("fs: Restrict lock_two_nondirectories() to non-directory inodes")
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: Jan Kara <jack@suse.cz>
Message-Id: <20230703-vfs-rename-source-v1-2-37eebb29b65b@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
The @source inode must be valid. It is even checked via IS_SWAPFILE()
above making it pretty clear. So no need to check it when we unlock.
What doesn't need to exist is the @target inode. The lock_two_inodes()
helper currently swaps the @inode1 and @inode2 arguments if @inode1 is
NULL to have consistent lock class usage. However, we know that at least
for vfs_rename() that @inode1 is @source and thus is never NULL as per
above. We also know that @source is a different inode than @target as
that is checked right at the beginning of vfs_rename(). So we know that
@source is valid and locked and that @target is locked. So drop the
check whether @source is non-NULL.
Fixes: 28eceeda13 ("fs: Lock moved directories")
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/r/202307030026.9sE2pk2x-lkp@intel.com
Message-Id: <20230703-vfs-rename-source-v1-1-37eebb29b65b@kernel.org>
[brauner: use commit message from patch I sent concurrently]
Signed-off-by: Christian Brauner <brauner@kernel.org>
Initial creation of an AF_XDP socket requires CAP_NET_RAW capability. A
privileged process might create the socket and pass it to a non-privileged
process for later use. However, that process will be able to bind the socket
to any network interface. Even though it will not be able to receive any
traffic without modification of the BPF map, the situation is not ideal.
Sockets already have a mechanism that can be used to restrict what interface
they can be attached to. That is SO_BINDTODEVICE.
To change the SO_BINDTODEVICE binding the process will need CAP_NET_RAW.
Make xsk_bind() honor the SO_BINDTODEVICE in order to allow safer workflow
when non-privileged process is using AF_XDP.
The intended workflow is following:
1. First process creates a bare socket with socket(AF_XDP, ...).
2. First process loads the XSK program to the interface.
3. First process adds the socket fd to a BPF map.
4. First process ties socket fd to a particular interface using
SO_BINDTODEVICE.
5. First process sends socket fd to a second process.
6. Second process allocates UMEM.
7. Second process binds socket to the interface with bind(...).
8. Second process sends/receives the traffic.
All the steps above are possible today if the first process is privileged
and the second one has sufficient RLIMIT_MEMLOCK and no capabilities.
However, the second process will be able to bind the socket to any interface
it wants on step 7 and send traffic from it. With the proposed change, the
second process will be able to bind the socket only to a specific interface
chosen by the first process at step 4.
Fixes: 965a990984 ("xsk: add support for bind for Rx")
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Magnus Karlsson <magnus.karlsson@intel.com>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/bpf/20230703175329.3259672-1-i.maximets@ovn.org
Adds the required quirk to enable the Cirrus amp and correct pins
on the ASUS ROG G614J series which uses an SPI connected Cirrus amp.
While this works if the related _DSD properties are made available, these
aren't included in the ACPI of these laptops (yet).
Signed-off-by: Luke D. Jones <luke@ljones.dev>
Link: https://lore.kernel.org/r/20230704044619.19343-5-luke@ljones.dev
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Adds the required quirk to enable the Cirrus amp and correct pins
on the ASUS ROG GA402X series which uses an I2C connected Cirrus amp.
While this works if the related _DSD properties are made available, these
aren't included in the ACPI of these laptops (yet).
Signed-off-by: Luke D. Jones <luke@ljones.dev>
Link: https://lore.kernel.org/r/20230704044619.19343-3-luke@ljones.dev
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Adds the required quirk to enable the Cirrus amp and correct pins
on the ASUS ROG GV601V series which uses an I2C connected Cirrus amp.
While this works if the related _DSD properties are made available, these
aren't included in the ACPI of these laptops (yet).
Signed-off-by: Luke D. Jones <luke@ljones.dev>
Link: https://lore.kernel.org/r/20230704044619.19343-2-luke@ljones.dev
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This reverts commit 456be42aa7.
The assumption VMEM_MAX_PHYS should match ident_map_size
is wrong. At least discontiguous saved segments (DCSS)
could be loaded at addresses beyond ident_map_size and
dcssblk device driver might fail as result.
Reported-by: Gerald Schaefer <gerald.schaefer@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
During sampling event initialization, a check is done if that
particular CPU the event is to be installed on is actually online.
This check is not necessary, as it is also performed in the
system call entry point. Therefore remove this check.
No functional change.
Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
The casts are written in two different notations:
(cast) expression
and
(cast)expression
Convert statements with the first notation to the second notation.
No functional change.
Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Remove debug_sprint_event() statement right after an pr_err()
statement. No additional debug information is generated.
No functional change.
Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
The op argument is hardcoded in the parameter list of function pr_err.
Make the op code part of the text printed by pr_err.
No functional change.
Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Print the error message when the FAILURE flag is set.
This saves on pr_err statement as the text of the error message
is identical in both failures.
Also observe reverse Xmas tree variable declarations in this function.
No functional change.
Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Remove most debug statements which are not needed anymore from
the CPU Measurement counter facility device driver.
Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Commit ae870a68b5 ("arm64/mm: Convert to using
lock_mm_and_find_vma()") made do_page_fault() to use 'vma' even if
CONFIG_PER_VMA_LOCK is not defined, but the declaration is still in the
ifdef.
As a result, building kernel without the config fails with undeclared
variable error as below:
arch/arm64/mm/fault.c: In function 'do_page_fault':
arch/arm64/mm/fault.c:624:2: error: 'vma' undeclared (first use in this function); did you mean 'vmap'?
624 | vma = lock_mm_and_find_vma(mm, addr, regs);
| ^~~
| vmap
Fix it by moving the declaration out of the ifdef.
Fixes: ae870a68b5 ("arm64/mm: Convert to using lock_mm_and_find_vma()")
Signed-off-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Merge tag 'block-6.5-2023-07-03' of git://git.kernel.dk/linux
Pull more block updates from Jens Axboe:
"Mostly items that came in a bit late for the initial pull request,
wanted to make sure they had the appropriate amount of linux-next soak
before going upstream.
Outside of stragglers, just generic fixes for either merge window
items, or longer standing bugs"
* tag 'block-6.5-2023-07-03' of git://git.kernel.dk/linux: (25 commits)
md/raid0: add discard support for the 'original' layout
nvme: disable controller on reset state failure
nvme: sync timeout work on failed reset
nvme: ensure unquiesce on teardown
cdrom/gdrom: Fix build error
nvme: improved uring polling
block: add request polling helper
nvme-mpath: fix I/O failure with EAGAIN when failing over I/O
nvme: host: fix command name spelling
blk-sysfs: add a new attr_group for blk_mq
blk-iocost: move wbt_enable/disable_default() out of spinlock
blk-wbt: cleanup rwb_enabled() and wbt_disabled()
blk-wbt: remove dead code to handle wbt enable/disable with io inflight
blk-wbt: don't create wbt sysfs entry if CONFIG_BLK_WBT is disabled
blk-mq: fix two misuses on RQF_USE_SCHED
blk-throttle: Fix io statistics for cgroup v1
bcache: Fix bcache device claiming
bcache: Alloc holder object before async registration
raid10: avoid spin_lock from fastpath from raid10_unplug()
md: fix 'delete_mutex' deadlock
...
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Merge tag 'io_uring-6.5-2023-07-03' of git://git.kernel.dk/linux
Pull io_uring fixes from Jens Axboe:
"The fix for the msghdr->msg_inq assigned value being wrong, using -1
instead of -1U for the signed type.
Also a fix for ensuring when we're trying to run task_work on an
exiting task, that we wait for it. This is not really a correctness
thing as the work is being canceled, but it does help with ensuring
file descriptors are closed when the task has exited."
* tag 'io_uring-6.5-2023-07-03' of git://git.kernel.dk/linux:
io_uring: flush offloaded and delayed task_work on exit
io_uring: remove io_fallback_tw() forward declaration
io_uring/net: use proper value for msg_inq
* fix build warning with W=1
* drop error handling for debugfs
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Merge tag 'hsi-for-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi
Pull HSI updates from Sebastian Reichel:
- fix build warning with W=1
- drop error handling for debugfs
* tag 'hsi-for-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi:
HSI: omap_ssi_port: Drop error checking for debugfs_create_dir
HSI: fix ssi_waketest() declaration
Vladimir Oltean