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The past form of RISCV_FENCE would cause checkpatch.pl to issue
error messages, the example is as follows:
ERROR: space required after that ',' (ctx:VxV)
26: FILE: arch/riscv/include/asm/barrier.h:27:
+#define __smp_mb() RISCV_FENCE(rw,rw)
^
fix the remaining of RISCV_FENCE.
Signed-off-by: Eric Chan <ericchancf@google.com>
Reviewed-by: Andrea Parri <parri.andrea@gmail.com>
Reviewed-by: Samuel Holland <samuel.holland@sifive.com>
Tested-by: Samuel Holland <samuel.holland@sifive.com>
Link: https://lore.kernel.org/r/20240217131328.3669364-1-ericchancf@google.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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Disparate fence implementations are consolidated into fence.h.
Also introduce RISCV_FENCE_ASM to make fence macro more reusable.
Signed-off-by: Eric Chan <ericchancf@google.com>
Reviewed-by: Andrea Parri <parri.andrea@gmail.com>
Reviewed-by: Samuel Holland <samuel.holland@sifive.com>
Tested-by: Samuel Holland <samuel.holland@sifive.com>
Link: https://lore.kernel.org/r/20240217131316.3668927-1-ericchancf@google.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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Introduce RISCV_FULL_BARRIER and use in arch_atomic* function.
like RISCV_ACQUIRE_BARRIER and RISCV_RELEASE_BARRIER, the fence
instruction can be eliminated When SMP is not enabled.
Signed-off-by: Eric Chan <ericchancf@google.com>
Reviewed-by: Andrea Parri <parri.andrea@gmail.com>
Reviewed-by: Samuel Holland <samuel.holland@sifive.com>
Tested-by: Samuel Holland <samuel.holland@sifive.com>
Link: https://lore.kernel.org/r/20240217131302.3668481-1-ericchancf@google.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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Introduce __{mb,rmb,wmb}, and rely on the generic definitions for
{mb,rmb,wmb}. Although KCSAN is not supported yet, the definitions can
be made more consistent with generic instrumentation. Also add a space
to make the changes pass check by checkpatch.pl.
Without the space, the error message is as below:
ERROR: space required after that ',' (ctx:VxV)
26: FILE: arch/riscv/include/asm/barrier.h:23:
+#define __mb() RISCV_FENCE(iorw,iorw)
^
Signed-off-by: Eric Chan <ericchancf@google.com>
Reviewed-by: Andrea Parri <parri.andrea@gmail.com>
Reviewed-by: Samuel Holland <samuel.holland@sifive.com>
Tested-by: Samuel Holland <samuel.holland@sifive.com>
Link: https://lore.kernel.org/r/20240217131249.3668103-1-ericchancf@google.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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CONFIG_ACPI_CPPC_CPUFREQ is required to enable CPPC for RISC-V.
Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Reviewed-by: Pierre Gondois <pierre.gondois@arm.com>
Acked-by: Rafael J. Wysocki <rafael@kernel.org>
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Link: https://lore.kernel.org/r/20240208034414.22579-4-sunilvl@ventanamicro.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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CPPC related config options are currently defined only in ARM specific
file. However, they are required for RISC-V as well. Instead of creating
a new Kconfig.riscv file and duplicating them, move them to the common
Kconfig file and enable RISC-V too.
Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Pierre Gondois <pierre.gondois@arm.com>
Acked-by: Rafael J. Wysocki <rafael@kernel.org>
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Link: https://lore.kernel.org/r/20240208034414.22579-3-sunilvl@ventanamicro.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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Add cpufreq driver based on ACPI CPPC for RISC-V. The driver uses either
SBI CPPC interfaces or the CSRs to access the CPPC registers as defined
by the RISC-V FFH spec.
Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Reviewed-by: Pierre Gondois <pierre.gondois@arm.com>
Acked-by: Rafael J. Wysocki <rafael@kernel.org>
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Link: https://lore.kernel.org/r/20240208034414.22579-2-sunilvl@ventanamicro.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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The ACPI processor driver is not currently enabled for RISC-V.
This is required to enable CPU related functionalities like
LPI and CPPC. Hence, enable ACPI_PROCESSOR for RISC-V.
Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://lore.kernel.org/r/20240118062930.245937-4-sunilvl@ventanamicro.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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Enable Low Power Idle (LPI) based cpuidle driver for RISC-V platforms.
It depends on SBI HSM calls for idle state transitions.
Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://lore.kernel.org/r/20240118062930.245937-3-sunilvl@ventanamicro.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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To support ACPI Low Power Idle (LPI), few functions are required which
are currently static functions in the DT based cpuidle driver. Hence,
move them under arch/riscv so that ACPI driver also can use them. Since
they are no longer static functions, append "riscv_" prefix to the
function name.
Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://lore.kernel.org/r/20240118062930.245937-2-sunilvl@ventanamicro.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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Pull bcachefs fixes from Kent Overstreet:
"Assorted bugfixes.
Most are fixes for simple assertion pops; the most significant fix is
for a deadlock in recovery when we have to rewrite large numbers of
btree nodes to fix errors. This was incorrectly running out of the
same workqueue as the core interior btree update path - we now give it
its own single threaded workqueue.
This was visible to users as "bch2_btree_update_start(): error:
BCH_ERR_journal_reclaim_would_deadlock" - and then recovery hanging"
* tag 'bcachefs-2024-03-19' of https://evilpiepirate.org/git/bcachefs:
bcachefs: Fix lost wakeup on journal shutdown
bcachefs; Fix deadlock in bch2_btree_update_start()
bcachefs: ratelimit errors from async_btree_node_rewrite
bcachefs: Run check_topology() first
bcachefs: Improve bch2_fatal_error()
bcachefs: Fix lost transaction restart error
bcachefs: Don't corrupt journal keys gap buffer when dropping alloc info
bcachefs: fix for building in userspace
bcachefs: bch2_snapshot_is_ancestor() now safe to call in early recovery
bcachefs: Fix nested transaction restart handling in bch2_bucket_gens_init()
bcachefs: Improve sysfs internal/btree_updates
bcachefs: Split out btree_node_rewrite_worker
bcachefs: Fix locking in bch2_alloc_write_key()
bcachefs: Avoid extent entry type assertions in .invalid()
bcachefs: Fix spurious -BCH_ERR_transaction_restart_nested
bcachefs: Fix check_key_has_snapshot() call
bcachefs: Change "accounting overran journal reservation" to a warning
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In order to have all task compat bit access directly in compat.h, introduce
set_compat_task() to set/reset those when needed.
Also, since it's only used on an if/else scenario, simplify the macro using
it.
Signed-off-by: Leonardo Bras <leobras@redhat.com>
Reviewed-by: Guo Ren <guoren@kernel.org>
Link: https://lore.kernel.org/r/20240103160024.70305-7-leobras@redhat.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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task_user_regset_view() makes use of a function very similar to
is_compat_task(), but pointing to a any thread.
In arm64 asm/compat.h there is a function very similar to that:
is_compat_thread(struct thread_info *thread)
Copy this function to riscv asm/compat.h and make use of it into
task_user_regset_view().
Also, introduce a compile-time test for CONFIG_COMPAT and simplify the
function code by removing the #ifdef.
Signed-off-by: Leonardo Bras <leobras@redhat.com>
Reviewed-by: Guo Ren <guoren@kernel.org>
Reviewed-by: Andy Chiu <andy.chiu@sifive.com>
Link: https://lore.kernel.org/r/20240103160024.70305-6-leobras@redhat.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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Currently several places will test for CONFIG_COMPAT before testing
is_compat_task(), probably in order to avoid a run-time test into the task
structure.
Since is_compat_task() is an inlined function, it would be helpful to add a
compile-time test of CONFIG_COMPAT, making sure it always returns zero when
the option is not enabled during the kernel build.
With this, the compiler is able to understand in build-time that
is_compat_task() will always return 0, and optimize-out some of the extra
code introduced by the option.
This will also allow removing a lot #ifdefs that were introduced, and make
the code more clean.
Signed-off-by: Leonardo Bras <leobras@redhat.com>
Reviewed-by: Guo Ren <guoren@kernel.org>
Reviewed-by: Andy Chiu <andy.chiu@sifive.com>
Link: https://lore.kernel.org/r/20240103160024.70305-5-leobras@redhat.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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There is some code that detects compat mode into a task by checking the
flag directly, and other code that check using the helper is_compat_task().
Since the helper already exists, use it instead of checking the flags
directly.
Signed-off-by: Leonardo Bras <leobras@redhat.com>
Link: https://lore.kernel.org/r/20240103160024.70305-4-leobras@redhat.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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This macro caused me some confusion, which took some reviewer's time to
make it clear, so I propose adding a short comment in code to avoid
confusion in the future.
Also, added some improvements to the macro, such as removing the
assumption of VA_USER_SV57 being the largest address space.
Signed-off-by: Leonardo Bras <leobras@redhat.com>
Reviewed-by: Guo Ren <guoren@kernel.org>
Link: https://lore.kernel.org/r/20240103160024.70305-3-leobras@redhat.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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ARCH_STARFIVE is not restricted to 64-bit platforms, so while Will's
addition of a 64-bit only condition satisfied the build robots doing
COMPILE_TEST builds, Palmer ran into the same problems with writeq()
being undefined during regular rv32 builds.
Promote the dependency on 64-bit to its own `depends on` so that the
driver can never be included in 32-bit builds.
Reported-by: Palmer Dabbelt <palmer@rivosinc.com>
Fixes: c2b24812f7bc ("perf: starfive: Add StarLink PMU support")
Fixes: f0dbc6d0de38 ("perf: starfive: Only allow COMPILE_TEST for 64-bit architectures")
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Acked-by: Will Deacon <will@kernel.org>
Reviewed-by: Palmer Dabbelt <palmer@rivosinc.com>
Acked-by: Palmer Dabbelt <palmer@rivosinc.com>
Acked-by: Ji Sheng Teoh <jisheng.teoh@starfivetech.com>
Acked-by: Emil Renner Berthing <emil.renner.berthing@canonical.com>
Link: https://lore.kernel.org/r/20240318-emphatic-rally-f177a4fe1bdc@spud
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull more ARM SoC updates from Arnd Bergmann:
"These are changes that for some reason ended up not making it into the
first four branches but that should still make it into 6.9:
- A rework of the omap clock support that touches both drivers and
device tree files
- The reset controller branch changes that had a dependency on late
bugfixes. Merging them here avoids a backmerge of 6.8-rc5 into the
drivers branch
- The RISC-V/starfive, RISC-V/microchip and ARM/Broadcom devicetree
changes that got delayed and needed some extra time in linux-next
for wider testing"
* tag 'soc-late-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (31 commits)
soc: fsl: dpio: fix kcalloc() argument order
bus: ts-nbus: Improve error reporting
bus: ts-nbus: Convert to atomic pwm API
riscv: dts: starfive: jh7110: Add camera subsystem nodes
ARM: bcm: stop selecing CONFIG_TICK_ONESHOT
ARM: dts: omap3: Update clksel clocks to use reg instead of ti,bit-shift
ARM: dts: am3: Update clksel clocks to use reg instead of ti,bit-shift
clk: ti: Improve clksel clock bit parsing for reg property
clk: ti: Handle possible address in the node name
dt-bindings: pwm: opencores: Add compatible for StarFive JH8100
dt-bindings: riscv: cpus: reg matches hart ID
reset: Instantiate reset GPIO controller for shared reset-gpios
reset: gpio: Add GPIO-based reset controller
cpufreq: do not open-code of_phandle_args_equal()
of: Add of_phandle_args_equal() helper
reset: simple: add support for Sophgo SG2042
dt-bindings: reset: sophgo: support SG2042
riscv: dts: microchip: add specific compatible for mpfs pdma
riscv: dts: microchip: add missing CAN bus clocks
ARM: brcmstb: Add debug UART entry for 74165
...
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull more s390 updates from Heiko Carstens:
- Various virtual vs physical address usage fixes
- Add new bitwise types and helper functions and use them in s390
specific drivers and code to make it easier to find virtual vs
physical address usage bugs.
Right now virtual and physical addresses are identical for s390,
except for module, vmalloc, and similar areas. This will be changed,
hopefully with the next merge window, so that e.g. the kernel image
and modules will be located close to each other, allowing for direct
branches and also for some other simplifications.
As a prerequisite this requires to fix all misuses of virtual and
physical addresses. As it turned out people are so used to the
concept that virtual and physical addresses are the same, that new
bugs got added to code which was already fixed. In order to avoid
that even more code gets merged which adds such bugs add and use new
bitwise types, so that sparse can be used to find such usage bugs.
Most likely the new types can go away again after some time
- Provide a simple ARCH_HAS_DEBUG_VIRTUAL implementation
- Fix kprobe branch handling: if an out-of-line single stepped relative
branch instruction has a target address within a certain address area
in the entry code, the program check handler may incorrectly execute
cleanup code as if KVM code was executed, leading to crashes
- Fix reference counting of zcrypt card objects
- Various other small fixes and cleanups
* tag 's390-6.9-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (41 commits)
s390/entry: compare gmap asce to determine guest/host fault
s390/entry: remove OUTSIDE macro
s390/entry: add CIF_SIE flag and remove sie64a() address check
s390/cio: use while (i--) pattern to clean up
s390/raw3270: make class3270 constant
s390/raw3270: improve raw3270_init() readability
s390/tape: make tape_class constant
s390/vmlogrdr: make vmlogrdr_class constant
s390/vmur: make vmur_class constant
s390/zcrypt: make zcrypt_class constant
s390/mm: provide simple ARCH_HAS_DEBUG_VIRTUAL support
s390/vfio_ccw_cp: use new address translation helpers
s390/iucv: use new address translation helpers
s390/ctcm: use new address translation helpers
s390/lcs: use new address translation helpers
s390/qeth: use new address translation helpers
s390/zfcp: use new address translation helpers
s390/tape: fix virtual vs physical address confusion
s390/3270: use new address translation helpers
s390/3215: use new address translation helpers
...
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The two example echo commands for binding the spidev driver were being
rendered as one line in the HTML output. This patch makes use of the
restructured text :: to format the commands as a code block instead
which preserves the line break.
Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://msgid.link/r/20240319183344.2106335-1-dlechner@baylibre.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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As __assign_str() no longer uses its "src" parameter, there's a check to
make sure nothing depends on it being different than what was passed to
__string(). It originally just compared the pointer passed to __string()
with the pointer passed into __assign_str() via the "src" parameter. But
there's a couple of outliers that just pass in a quoted string constant,
where comparing the pointers is UB to the compiler, as the compiler is
free to create multiple copies of the same string constant.
Instead, just use strcmp(). It may slow down the trace event, but this
will eventually be removed.
Also, fix the issue of passing NULL to strcmp() by adding a WARN_ON() to
make sure that both "src" and the pointer saved in __string() are either
both NULL or have content, and then checking if "src" is not NULL before
performing the strcmp().
Link: https://lore.kernel.org/all/CAHk-=wjxX16kWd=uxG5wzqt=aXoYDf1BgWOKk+qVmAO0zh7sjA@mail.gmail.com/
Fixes: b1afefa62ca9 ("tracing: Use strcmp() in __assign_str() WARN_ON() check")
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more power management updates from Rafael Wysocki:
"These update the Energy Model to make it prevent errors due to power
unit mismatches, fix a typo in power management documentation, convert
one driver to using a platform remove callback returning void, address
two cpufreq issues (one in the core and one in the DT driver), and
enable boost support in the SCMI cpufreq driver.
Specifics:
- Modify the Energy Model code to bail out and complain if the unit
of power is not uW to prevent errors due to unit mismatches (Lukasz
Luba)
- Make the intel_rapl platform driver use a remove callback returning
void (Uwe Kleine-König)
- Fix typo in the suspend and interrupts document (Saravana Kannan)
- Make per-policy boost flags actually take effect on platforms using
cpufreq_boost_set_sw() (Sibi Sankar)
- Enable boost support in the SCMI cpufreq driver (Sibi Sankar)
- Make the DT cpufreq driver use zalloc_cpumask_var() for allocating
cpumasks to avoid using unitinialized memory (Marek Szyprowski)"
* tag 'pm-6.9-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: scmi: Enable boost support
firmware: arm_scmi: Add support for marking certain frequencies as turbo
cpufreq: dt: always allocate zeroed cpumask
cpufreq: Fix per-policy boost behavior on SoCs using cpufreq_boost_set_sw()
Documentation: power: Fix typo in suspend and interrupts doc
PM: EM: Force device drivers to provide power in uW
powercap: intel_rapl: Convert to platform remove callback returning void
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more ACPI updates from Rafael Wysocki:
"These update ACPI documentation and kerneldoc comments.
Specifics:
- Add markup to generate links from footnotes in the ACPI enumeration
document (Chris Packham)
- Update the handle_eject_request() kerneldoc comment to document the
arguments of the function and improve kerneldoc comments for ACPI
suspend and hibernation functions (Yang Li)"
* tag 'acpi-6.9-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: PM: Improve kerneldoc comments for suspend and hibernation functions
ACPI: docs: enumeration: Make footnotes links
ACPI: Document handle_eject_request() arguments
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more thermal control updates from Rafael Wysocki:
"These update thermal drivers for ARM platforms by adding new hardware
support (r8a779h0, H616 THS), addressing issues (Mediatek LVTS,
Mediatek MT7896, thermal-of) and cleaning up code.
Specifics:
- Fix memory leak in the error path at probe time in the Mediatek
LVTS driver (Christophe Jaillet)
- Fix control buffer enablement regression on Meditek MT7896 (Frank
Wunderlich)
- Drop spaces before TABs in different places: thermal-of, ST drivers
and Makefile (Geert Uytterhoeven)
- Adjust DT binding for NXP as fsl,tmu-range min/maxItems can vary
among several SoC versions (Fabio Estevam)
- Add support for the H616 THS controller on Sun8i platforms (Martin
Botka)
- Don't fail probe due to zone registration failure because there is
no trip points defined in the DT (Mark Brown)
- Support variable TMU array size for new platforms (Peng Fan)
- Adjust the DT binding for thermal-of and make the polling time not
required and assume it is zero when not found in the DT (Konrad
Dybcio)
- Add r8a779h0 support in both the DT and the rcar_gen3 driver (Geert
Uytterhoeven)"
* tag 'thermal-6.9-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
thermal/drivers/rcar_gen3: Add support for R-Car V4M
dt-bindings: thermal: rcar-gen3-thermal: Add r8a779h0 support
thermal/of: Assume polling-delay(-passive) 0 when absent
dt-bindings: thermal-zones: Don't require polling-delay(-passive)
thermal/drivers/qoriq: Fix getting tmu range
thermal/drivers/sun8i: Don't fail probe due to zone registration failure
thermal/drivers/sun8i: Add support for H616 THS controller
thermal/drivers/sun8i: Add SRAM register access code
thermal/drivers/sun8i: Extend H6 calibration to support 4 sensors
thermal/drivers/sun8i: Explain unknown H6 register value
dt-bindings: thermal: sun8i: Add H616 THS controller
soc: sunxi: sram: export register 0 for THS on H616
dt-bindings: thermal: qoriq-thermal: Adjust fsl,tmu-range min/maxItems
thermal: Drop spaces before TABs
thermal/drivers/mediatek: Fix control buffer enablement on MT7896
thermal/drivers/mediatek/lvts_thermal: Fix a memory leak in an error handling path
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git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux
Pull ata fix from Niklas Cassel:
"A single fix for ASMedia HBAs.
These HBAs do not indicate that they support SATA Port Multipliers
CAP.SPM (Supports Port Multiplier) is not set.
Likewise, they do not allow you to probe the devices behind an
attached PMP, as defined according to the SATA-IO PMP specification.
Instead, they have decided to implement their own version of PMP,
and because of this, plugging in a PMP actually works, even if the
HBA claims that it does not support PMP.
Revert a recent quirk for these HBAs, as that breaks ASMedia's own
implementation of PMP.
Unfortunately, this will once again give some users of these HBAs
significantly increased boot time. However, a longer boot time for
some, is the lesser evil compared to some other users not being able
to detect their drives at all"
* tag 'ata-6.9-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux:
ahci: asm1064: asm1166: don't limit reported ports
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Pull virtio updates from Michael Tsirkin:
- Per vq sizes in vdpa
- Info query for block devices support in vdpa
- DMA sync callbacks in vduse
- Fixes, cleanups
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (35 commits)
virtio_net: rename free_old_xmit_skbs to free_old_xmit
virtio_net: unify the code for recycling the xmit ptr
virtio-net: add cond_resched() to the command waiting loop
virtio-net: convert rx mode setting to use workqueue
virtio: packed: fix unmap leak for indirect desc table
vDPA: report virtio-blk flush info to user space
vDPA: report virtio-block read-only info to user space
vDPA: report virtio-block write zeroes configuration to user space
vDPA: report virtio-block discarding configuration to user space
vDPA: report virtio-block topology info to user space
vDPA: report virtio-block MQ info to user space
vDPA: report virtio-block max segments in a request to user space
vDPA: report virtio-block block-size to user space
vDPA: report virtio-block max segment size to user space
vDPA: report virtio-block capacity to user space
virtio: make virtio_bus const
vdpa: make vdpa_bus const
vDPA/ifcvf: implement vdpa_config_ops.get_vq_num_min
vDPA/ifcvf: get_max_vq_size to return max size
virtio_vdpa: create vqs with the actual size
...
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Memory for the "checksums" pointer will leak if the data is rechecked
after checksum failure (because the associated kfree won't happen due
to 'goto skip_io').
Fix this by freeing the checksums memory before recheck, and just use
the "checksum_onstack" memory for storing checksum during recheck.
Fixes: c88f5e553fe3 ("dm-integrity: recheck the integrity tag after a failure")
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen updates from Juergen Gross:
- Xen event channel handling fix for a regression with a rare kernel
config and some added hardening
- better support of running Xen dom0 in PVH mode
- a cleanup for the xen grant-dma-iommu driver
* tag 'for-linus-6.9-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen/events: increment refcnt only if event channel is refcounted
xen/evtchn: avoid WARN() when unbinding an event channel
x86/xen: attempt to inflate the memory balloon on PVH
xen/grant-dma-iommu: Convert to platform remove callback returning void
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read_poll_timeout inside phy_read_poll_timeout can set val negative
in some cases (for example, __mdiobus_read inside phy_read can return
-EOPNOTSUPP).
Supposedly, commit 4ec732951702 ("net: phylib: fix phy_read*_poll_timeout()")
should fix problems with wrong-signed vals, but I do not see how
as val is sent to phy_read as is and __val = phy_read (not val)
is checked for sign.
Change val type for signed to allow better error handling as done in other
phy_read_poll_timeout callers. This will not fix any error handling
by itself, but allows, for example, to modify cond with appropriate
sign check or check resulting val separately.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Fixes: 014068dcb5b1 ("net: phy: genphy_loopback: add link speed configuration")
Signed-off-by: Nikita Kiryushin <kiryushin@ancud.ru>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://lore.kernel.org/r/20240315175052.8049-1-kiryushin@ancud.ru
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Cirrus amps support for this laptop was added in patch:
33e5e648e631 ("ALSA: hda: cs35l41: Support additional HP Envy Models")
This patch adds fixes for wrong pincfgs, wrong DAC selection and
mute/micmute LEDs.
Signed-off-by: Anthony I Gilea <i@cpp.in>
Message-ID: <e2a7aaed-e9d7-4d36-8abf-b71dfd32a0ff@cpp.in>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The commit 2c15a5aee2f3 ("net/sched: Load modules via their alias")
starts loading modules via aliases and not canonical names. The new
aliases were added in commit 241a94abcf46 ("net/sched: Add module
aliases for cls_,sch_,act_ modules") via a Coccinele script.
sch_fq_pie.c is missing module.h header and thus Coccinele did not patch
it. Add the include and module alias manually, so that autoloading works
for sch_fq_pie too.
(Note: commit message in commit 241a94abcf46 ("net/sched: Add module
aliases for cls_,sch_,act_ modules") was mangled due to '#'
misinterpretation. The predicate haskernel is:
| @ haskernel @
| @@
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| #include <linux/module.h>
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.)
Fixes: 241a94abcf46 ("net/sched: Add module aliases for cls_,sch_,act_ modules")
Signed-off-by: Michal Koutný <mkoutny@suse.com>
Link: https://lore.kernel.org/r/20240315160210.8379-1-mkoutny@suse.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Since Xilinx-based adapters now support up to eight CAN channels, the
TX interrupt mask array must have eight elements.
Signed-off-by: Martin Jocic <martin.jocic@kvaser.com>
Link: https://lore.kernel.org/all/2ab3c0585c3baba272ede0487182a423a420134b.camel@kvaser.com
Fixes: 9b221ba452aa ("can: kvaser_pciefd: Add support for Kvaser PCIe 8xCAN")
[mkl: replace Link by Fixes tag]
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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In case of hitting the file EOF, ceph_read_iter() needs to retrieve the
file size from MDS, and Fr caps aren't neccessary.
[ idryomov: fold into existing retry_op == READ_INLINE branch ]
Reported-by: Frank Hsiao <frankhsiao@qnap.com>
Signed-off-by: Xiubo Li <xiubli@redhat.com>
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Tested-by: Frank Hsiao <frankhsiao@qnap.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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If EOF is encountered, ceph_sync_read() return value is adjusted down
according to i_size, but the "to" iter is advanced by the actual number
of bytes read. Then, when retrying, the remainder of the range may be
skipped incorrectly.
Ensure that the "to" iter is advanced only until EOF.
[ idryomov: changelog ]
Fixes: c3d8e0b5de48 ("ceph: return the real size read when it hits EOF")
Reported-by: Frank Hsiao <frankhsiao@qnap.com>
Signed-off-by: Xiubo Li <xiubli@redhat.com>
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Tested-by: Frank Hsiao <frankhsiao@qnap.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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GSP should be handling this and I can see no evidence in opengpu
driver that this register should be touched.
Fixed acceleration on 2080 Ti GPUs.
Fixes: 15740541e8f0 ("drm/nouveau/devinit/tu102-: prepare for GSP-RM")
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Danilo Krummrich <dakr@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240314014521.2695233-1-airlied@gmail.com
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Since the referenced commit, the xfrm_inner_extract_output() function
uses the protocol field to determine the address family. So not setting
it for IPv4 raw sockets meant that such packets couldn't be tunneled via
IPsec anymore.
IPv6 raw sockets are not affected as they already set the protocol since
9c9c9ad5fae7 ("ipv6: set skb->protocol on tcp, raw and ip6_append_data
genereated skbs").
Fixes: f4796398f21b ("xfrm: Remove inner/outer modes from output path")
Signed-off-by: Tobias Brunner <tobias@strongswan.org>
Reviewed-by: David Ahern <dsahern@kernel.org>
Reviewed-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Link: https://lore.kernel.org/r/c5d9a947-eb19-4164-ac99-468ea814ce20@strongswan.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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A failure during registration of the netdev notifier was not handled at
all. A failure during netlink initialization did not unregister the netdev
notifier.
Handle failures of netdev notifier registration and netlink initialization.
Both functions should only return negative values on failure and thereby
lead to the hsr module not being loaded.
Fixes: f421436a591d ("net/hsr: Add support for the High-availability Seamless Redundancy protocol (HSRv0)")
Signed-off-by: Felix Maurer <fmaurer@redhat.com>
Reviewed-by: Shigeru Yoshida <syoshida@redhat.com>
Reviewed-by: Breno Leitao <leitao@debian.org>
Link: https://lore.kernel.org/r/3ce097c15e3f7ace98fc7fd9bcbf299f092e63d1.1710504184.git.fmaurer@redhat.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge additional updates related to the Energy Model, power capping
and system-wide power management for 6.9-rc1:
- Modify the Energy Model code to bail out and complain if the unit of
power is not uW to prevent errors due to unit mismatches (Lukasz
Luba).
- Make the intel_rapl platform driver use a remove callback returning
void (Uwe Kleine-König).
- Fix typo in the suspend and interrupts document (Saravana Kannan).
* pm-em:
PM: EM: Force device drivers to provide power in uW
* pm-powercap:
powercap: intel_rapl: Convert to platform remove callback returning void
* pm-sleep:
Documentation: power: Fix typo in suspend and interrupts doc
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The expression htotal * vtotal can have a zero value on
overflow. It is necessary to prevent division by zero like in
fb_var_to_videomode().
Found by Linux Verification Center (linuxtesting.org) with Svace.
Signed-off-by: Roman Smirnov <r.smirnov@omp.ru>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Helge Deller <deller@gmx.de>
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Merge an ACPI documentation update for 6.9-rc1 which adds markup to
generate links from footnotes in the enumeration document.
* acpi-docs:
ACPI: docs: enumeration: Make footnotes links
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If reading the ACPI _PLD port location object fails, or the port
doesn't have a _PLD ACPI object then the *pld pointer will remain
uninitialized and oops when freed.
The patch that caused this is currently in next, on its way to v6.9.
So no need to add this to stable or current 6.8 kernel.
Reported-by: Klara Modin <klarasmodin@gmail.com>
Closes: https://lore.kernel.org/linux-usb/7e92369a-3197-4883-9988-3c93452704f5@gmail.com/
Tested-by: Klara Modin <klarasmodin@gmail.com>
Fixes: f3ac348e6e04 ("usb: usb-acpi: Set port connect type of not connectable ports correctly")
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20240308113425.1144689-1-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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For renaming, the directory only needs to be updated once if it
is in the same directory.
Signed-off-by: Yuezhang Mo <Yuezhang.Mo@sony.com>
Reviewed-by: Andy Wu <Andy.Wu@sony.com>
Reviewed-by: Aoyama Wataru <wataru.aoyama@sony.com>
Reviewed-by: Sungjong Seo <sj1557.seo@samsung.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
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When sync or dir_sync is enabled, there is no need to sync the
parent directory's inode if only for updating its timestamp.
1. If an unexpected power failure occurs, the timestamp of the
parent directory is not updated to the storage, which has no
impact on the user.
2. The number of writes will be greatly reduced, which can not
only improve performance, but also prolong device life.
Signed-off-by: Yuezhang Mo <Yuezhang.Mo@sony.com>
Reviewed-by: Andy Wu <Andy.Wu@sony.com>
Reviewed-by: Aoyama Wataru <wataru.aoyama@sony.com>
Reviewed-by: Sungjong Seo <sj1557.seo@samsung.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
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exfat_count_ext_entries() is no longer called, remove it.
exfat_update_dir_chksum() is no longer called, remove it and
rename exfat_update_dir_chksum_with_entry_set() to it.
Signed-off-by: Yuezhang Mo <Yuezhang.Mo@sony.com>
Reviewed-by: Andy Wu <Andy.Wu@sony.com>
Reviewed-by: Aoyama Wataru <wataru.aoyama@sony.com>
Reviewed-by: Sungjong Seo <sj1557.seo@samsung.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
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Before this conversion, each dentry traversed needs to be read
from the storage device or page cache. There are at least 16
dentries in a sector. This will result in frequent page cache
searches.
After this conversion, if all directory entries in a sector are
used, the sector only needs to be read once.
Signed-off-by: Yuezhang Mo <Yuezhang.Mo@sony.com>
Reviewed-by: Andy Wu <Andy.Wu@sony.com>
Reviewed-by: Aoyama Wataru <wataru.aoyama@sony.com>
Reviewed-by: Sungjong Seo <sj1557.seo@samsung.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
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Before this conversion, in exfat_init_ext_entry(), to init
the dentries in a dentry set, the sync times is equals the
dentry number if 'dirsync' or 'sync' is enabled.
That affects not only performance but also device life.
After this conversion, only needs to be synchronized once if
'dirsync' or 'sync' is enabled.
Signed-off-by: Yuezhang Mo <Yuezhang.Mo@sony.com>
Reviewed-by: Andy Wu <Andy.Wu@sony.com>
Reviewed-by: Aoyama Wataru <wataru.aoyama@sony.com>
Reviewed-by: Sungjong Seo <sj1557.seo@samsung.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
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exfat_init_ext_entry() is an init function, it's a bit strange
to free cluster in it. And the argument 'inode' will be removed
from exfat_init_ext_entry(). So this commit changes to free the
cluster in exfat_remove_entries().
Code refinement, no functional changes.
Signed-off-by: Yuezhang Mo <Yuezhang.Mo@sony.com>
Reviewed-by: Andy Wu <Andy.Wu@sony.com>
Reviewed-by: Aoyama Wataru <wataru.aoyama@sony.com>
Reviewed-by: Sungjong Seo <sj1557.seo@samsung.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
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Before this conversion, in exfat_remove_entries(), to mark the
dentries in a dentry set as deleted, the sync times is equals
the dentry numbers if 'dirsync' or 'sync' is enabled.
That affects not only performance but also device life.
After this conversion, only needs to be synchronized once if
'dirsync' or 'sync' is enabled.
Signed-off-by: Yuezhang Mo <Yuezhang.Mo@sony.com>
Reviewed-by: Andy Wu <Andy.Wu@sony.com>
Reviewed-by: Aoyama Wataru <wataru.aoyama@sony.com>
Reviewed-by: Sungjong Seo <sj1557.seo@samsung.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
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After this conversion, if "dirsync" or "sync" is enabled, the
number of synchronized dentries in exfat_add_entry() will change
from 2 to 1.
Signed-off-by: Yuezhang Mo <Yuezhang.Mo@sony.com>
Reviewed-by: Andy Wu <Andy.Wu@sony.com>
Reviewed-by: Aoyama Wataru <wataru.aoyama@sony.com>
Reviewed-by: Sungjong Seo <sj1557.seo@samsung.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
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