pers->prepare_suspend() is not used anymore and can be removed.
Reverts following three commit:
- commit 431e61257d ("md: export md_is_rdwr() and is_md_suspended()")
- commit 3e00777d51 ("md: add a new api prepare_suspend() in
md_personality")
- commit 868bba54a3 ("md/raid5: fix a deadlock in the case that reshape
is interrupted")
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Signed-off-by: Song Liu <song@kernel.org>
Link: https://lore.kernel.org/r/20231016100240.540474-1-yukuai1@huaweicloud.com
The function vp_modern_map_capability() takes the size parameter,
which corresponds to the size of virtio_pci_common_cfg. As a result,
this indicates the size of memory area to map.
Now the size is the size of virtio_pci_common_cfg, but some feature(such
as the _F_RING_RESET) needs the virtio_pci_modern_common_cfg, so this
commit changes the size to the size of virtio_pci_modern_common_cfg.
Cc: stable@vger.kernel.org
Fixes: 0b50cece0b ("virtio_pci: introduce helper to get/set queue reset")
Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Message-Id: <20231010031120.81272-3-xuanzhuo@linux.alibaba.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
MST pointed out: config change callback is also handled incorrectly
in this driver, it takes a mutex from interrupt context.
Handle config changed by work queue instead.
Cc: stable@vger.kernel.org
Cc: Gonglei (Arei) <arei.gonglei@huawei.com>
Cc: Halil Pasic <pasic@linux.ibm.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: zhenwei pi <pizhenwei@bytedance.com>
Message-Id: <20231007064309.844889-1-pizhenwei@bytedance.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Commit e2ae38cf3d ("vhost: fix hung thread due to erroneous iotlb
entries") Forbade vhost iotlb msg with null size to prevent entries
with size = start = 0 and last = ULONG_MAX to end up in the iotlb.
Then commit 95932ab2ea ("vhost: allow batching hint without size")
only applied the check for VHOST_IOTLB_UPDATE and VHOST_IOTLB_INVALIDATE
message types to fix a regression observed with batching hit.
Still, the introduction of that check introduced a regression for
some users attempting to invalidate the whole ULONG_MAX range by
setting the size to 0. This is the case with qemu/smmuv3/vhost
integration which does not work anymore. It Looks safe to partially
revert the original commit and allow VHOST_IOTLB_INVALIDATE messages
with null size. vhost_iotlb_del_range() will compute a correct end
iova. Same for vhost_vdpa_iotlb_unmap().
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Fixes: e2ae38cf3d ("vhost: fix hung thread due to erroneous iotlb entries")
Cc: stable@vger.kernel.org # v5.17+
Acked-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20230927140544.205088-1-eric.auger@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
A firmware error is triggered when configuring a 9k MTU on the PF after
switching to switchdev mode and then using a vdpa device with larger
(1k) rings:
mlx5_cmd_out_err: CREATE_GENERAL_OBJECT(0xa00) op_mod(0xd) failed, status bad resource(0x5), syndrome (0xf6db90), err(-22)
This is due to the fact that the hw VQ size parameters are computed
based on the umem_1/2/3_buffer_param_a/b capabilities and all
device capabilities are read only when the driver is moved to switchdev mode.
The problematic configuration flow looks like this:
1) Create VF
2) Unbind VF
3) Switch PF to switchdev mode.
4) Bind VF
5) Set PF MTU to 9k
6) create vDPA device
7) Start VM with vDPA device and 1K queue size
Note that setting the MTU before step 3) doesn't trigger this issue.
This patch reads the forementioned umem parameters at the latest point
possible before the VQs of the device are created.
v2:
- Allocate output with kmalloc to reduce stack frame size.
- Removed stable from cc.
Fixes: 1a86b377aa ("vdpa/mlx5: Add VDPA driver for supported mlx5 devices")
Signed-off-by: Dragos Tatulea <dtatulea@nvidia.com>
Message-Id: <20230831155702.1080754-1-dtatulea@nvidia.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
The error path in setup_driver deletes the debugfs entry but doesn't
clear the pointer. During .dev_del the invalid pointer will be released
again causing a crash.
This patch fixes the issue by always clearing the debugfs entry in
mlx5_vdpa_remove_debugfs. Also, stop removing the debugfs entry in
.dev_del op: the debugfs entry is already handled within the
setup_driver/teardown_driver scope.
Cc: stable@vger.kernel.org
Fixes: f0417e72ad ("vdpa/mlx5: Add and remove debugfs in setup/teardown driver")
Signed-off-by: Dragos Tatulea <dtatulea@nvidia.com>
Reviewed-by: Gal Pressman <gal@nvidia.com>
Message-Id: <20230829174014.928189-2-dtatulea@nvidia.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
With the recent removal of vm_dev from devres its memory is only freed
via the callback virtio_mmio_release_dev. However, this only takes
effect after device_add is called by register_virtio_device. Until then
it's an unmanaged resource and must be explicitly freed on error exit.
This bug was discovered and resolved using Coverity Static Analysis
Security Testing (SAST) by Synopsys, Inc.
Cc: stable@vger.kernel.org
Fixes: 55c91fedd0 ("virtio-mmio: don't break lifecycle of vm_dev")
Signed-off-by: Maximilian Heyne <mheyne@amazon.de>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Tested-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Message-Id: <20230911090328.40538-1-mheyne@amazon.de>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
If the shared_buffer allocation fails, need to unregister mgmt_dev first.
Cc: stable@vger.kernel.org
Fixes: abebb16254 ("vdpa_sim_blk: support shared backend")
Signed-off-by: Shawn.Shao <shawn.shao@jaguarmicro.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20230821060333.1155-1-shawn.shao@jaguarmicro.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
If we specify a valid CQ ring address but an invalid SQ ring address,
we'll correctly spot this and free the allocated pages and clear them
to NULL. However, we don't clear the ring page count, and hence will
attempt to free the pages again. We've already cleared the address of
the page array when freeing them, but we don't check for that. This
causes the following crash:
Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000
Oops [#1]
Modules linked in:
CPU: 0 PID: 20 Comm: kworker/u2:1 Not tainted 6.6.0-rc5-dirty #56
Hardware name: ucbbar,riscvemu-bare (DT)
Workqueue: events_unbound io_ring_exit_work
epc : io_pages_free+0x2a/0x58
ra : io_rings_free+0x3a/0x50
epc : ffffffff808811a2 ra : ffffffff80881406 sp : ffff8f80000c3cd0
status: 0000000200000121 badaddr: 0000000000000000 cause: 000000000000000d
[<ffffffff808811a2>] io_pages_free+0x2a/0x58
[<ffffffff80881406>] io_rings_free+0x3a/0x50
[<ffffffff80882176>] io_ring_exit_work+0x37e/0x424
[<ffffffff80027234>] process_one_work+0x10c/0x1f4
[<ffffffff8002756e>] worker_thread+0x252/0x31c
[<ffffffff8002f5e4>] kthread+0xc4/0xe0
[<ffffffff8000332a>] ret_from_fork+0xa/0x1c
Check for a NULL array in io_pages_free(), but also clear the page counts
when we free them to be on the safer side.
Reported-by: rtm@csail.mit.edu
Fixes: 03d89a2de2 ("io_uring: support for user allocated memory for rings/sqes")
Cc: stable@vger.kernel.org
Reviewed-by: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This introduces partial support for the Qualcomm Secure Execution
Environment SCM interface, and uses this to implement EFI variable
access on the Windows On Snapdragon devices (for now).
The 32/64-bit calling convention detector of the SCM interface is
updated to not choose 64-bit convention when Linux is 32-bit. The
"extern" specifier is dropped from the interface include file.
The LLCC driver gains support for carrying configuration for multiple
different system/DDR configurations for a given platform, and selecting
between them. Support for Q[DR]U1000 is added to the driver.
All exported symbols are transitioned to EXPORT_SYMBOL_GPL().
The platform_drivers in the Qualcomm SoC are transitioned to the
void-returning remove_new implementation.
The rmtfs memory driver gains support for leaving guard pages around the
used area, to avoid issues if the allocation happens to be placed
adjacent to another protected memory region.
The socinfo driver gains knowledge about IPQ8174, QCM6490, SM7150P and
various PMICs used together with SM8550.
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Merge tag 'qcom-drivers-for-6.7' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into soc/drivers
Qualcomm driver updates for v6.7
This introduces partial support for the Qualcomm Secure Execution
Environment SCM interface, and uses this to implement EFI variable
access on the Windows On Snapdragon devices (for now).
The 32/64-bit calling convention detector of the SCM interface is
updated to not choose 64-bit convention when Linux is 32-bit. The
"extern" specifier is dropped from the interface include file.
The LLCC driver gains support for carrying configuration for multiple
different system/DDR configurations for a given platform, and selecting
between them. Support for Q[DR]U1000 is added to the driver.
All exported symbols are transitioned to EXPORT_SYMBOL_GPL().
The platform_drivers in the Qualcomm SoC are transitioned to the
void-returning remove_new implementation.
The rmtfs memory driver gains support for leaving guard pages around the
used area, to avoid issues if the allocation happens to be placed
adjacent to another protected memory region.
The socinfo driver gains knowledge about IPQ8174, QCM6490, SM7150P and
various PMICs used together with SM8550.
* tag 'qcom-drivers-for-6.7' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux: (44 commits)
soc: qcom: socinfo: Convert to platform remove callback returning void
soc: qcom: smsm: Convert to platform remove callback returning void
soc: qcom: smp2p: Convert to platform remove callback returning void
soc: qcom: smem: Convert to platform remove callback returning void
soc: qcom: rmtfs_mem: Convert to platform remove callback returning void
soc: qcom: qcom_stats: Convert to platform remove callback returning void
soc: qcom: qcom_gsbi: Convert to platform remove callback returning void
soc: qcom: qcom_aoss: Convert to platform remove callback returning void
soc: qcom: pmic_glink: Convert to platform remove callback returning void
soc: qcom: ocmem: Convert to platform remove callback returning void
soc: qcom: llcc-qcom: Convert to platform remove callback returning void
soc: qcom: icc-bwmon: Convert to platform remove callback returning void
firmware: qcom_scm: use 64-bit calling convention only when client is 64-bit
soc: qcom: llcc: Handle a second device without data corruption
soc: qcom: Switch to EXPORT_SYMBOL_GPL()
soc: qcom: smem: Annotate struct qcom_smem with __counted_by
soc: qcom: rmtfs: Support discarding guard pages
dt-bindings: reserved-memory: rmtfs: Allow guard pages
dt-bindings: firmware: qcom,scm: document IPQ5018 compatible
firmware: qcom_scm: disable SDI if required
...
Link: https://lore.kernel.org/r/20231015204014.855672-1-andersson@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
objpool, a scalable and lockless ring-array based object pool, was
introduced to replace the original freelist (a LIFO queue based on
singly linked list) to improve kretprobe scalability.
Link: https://lore.kernel.org/all/20231017135654.82270-6-wuqiang.matt@bytedance.com/
Signed-off-by: wuqiang.matt <wuqiang.matt@bytedance.com>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
This patch will remove freelist.h from kernel source tree, since the
only use cases (kretprobe and rethook) are converted to objpool.
Link: https://lore.kernel.org/all/20231017135654.82270-5-wuqiang.matt@bytedance.com/
Signed-off-by: wuqiang.matt <wuqiang.matt@bytedance.com>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Enable the DisplayPort altmode, it is required to get DisplayPort output
to work on devices like Qualcomm Robotics RB5 platform.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewd-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Link: https://lore.kernel.org/r/20231011103245.96638-2-dmitry.baryshkov@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
for it. Of course firmware for that SoC does not come with TF-A so
it's the old-style SMP the older arm32 Rockchip SoCs use.
And additionally the rv1126 got pwm support.
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Merge tag 'v6.7-rockchip-dts32-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into soc/dt
Someone resurrected a rk3128 board and provided actual SMP support
for it. Of course firmware for that SoC does not come with TF-A so
it's the old-style SMP the older arm32 Rockchip SoCs use.
And additionally the rv1126 got pwm support.
* tag 'v6.7-rockchip-dts32-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
ARM: dts: rockchip: Switch to operating-points-v2 for RK3128's CPU
ARM: dts: rockchip: Enable SMP bring-up for RK3128
ARM: dts: rockchip: Add CPU resets for RK3128
ARM: dts: rockchip: Add SRAM node for RK3128
ARM: dts: rockchip: Enable pwm fan for edgeble-neu2
ARM: dts: rockchip: Add pwm11 node to rv1126
ARM: dts: rockchip: Add pwm11m0 pins to rv1126
ARM: dts: rockchip: Add pwm2 node to rv1126
ARM: dts: rockchip: Add pwm2m0 pins to rv1126
dt-bindings: pwm: rockchip: Document rv1126-pwm
Link: https://lore.kernel.org/r/2167992.Mh6RI2rZIc@phil
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Orange Pi 5 and Orange Pi 5 Plus as well as the QuartzPro64 from Pine64.
It also gained two new peripherals, the SFC (serial-flash-controller)
as well as support for it's AV1 video decoder.
And of course existing rk3588 boards got support added for various
peripherals (PCIe, usb, sardadc, leds, etc).
And in non-rk3588 news, rk3566-based gaming devices seem to be en-vogue,
and the Powkiddy RGB30 also moved in.
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Merge tag 'v6.7-rockchip-dts64-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into soc/dt
Work mostly focussed on the still new rk3588 Soc with some new boards the
Orange Pi 5 and Orange Pi 5 Plus as well as the QuartzPro64 from Pine64.
It also gained two new peripherals, the SFC (serial-flash-controller)
as well as support for it's AV1 video decoder.
And of course existing rk3588 boards got support added for various
peripherals (PCIe, usb, sardadc, leds, etc).
And in non-rk3588 news, rk3566-based gaming devices seem to be en-vogue,
and the Powkiddy RGB30 also moved in.
* tag 'v6.7-rockchip-dts64-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip: (27 commits)
arm64: dts: rockchip: add support for Powkiddy RGB30
dt-bindings: arm64: rockchip: add Powkiddy RGB30
arm64: dts: rockchip: add status LED to rock-5b
arm64: dts: rockchip: add ADC buttons to rk3588-evb1
arm64: dts: rockchip: Add AV1 decoder node to rk3588s
arm64: dts: rockchip: Add missing sdmmc2 SDR rates to rock-3a
arm64: dts: rockchip: Enable UART6 on rock-5b
arm64: dts: rockchip: Remove duplicate regulator vcc3v3_wf from rock-5b
arm64: dts: rockchip: Add QuartzPro64 SBC device tree
dt-bindings: arm: rockchip: Add Pine64 QuarzPro64
arm64: dts: rockchip: Add board device tree for rk3588-orangepi-5-plus
dt-bindings: arm: rockchip: Add Orange Pi 5 Plus
arm64: dts: rockchip: Add UART9 M0 pin definitions to rk3588s
arm64: dts: rockchip: Add I2S2 M0 pin definitions to rk3588s
arm64: dts: rockchip: Add Orange Pi 5
arm64: dts: rockchip: Add sfc node to rk3588s
dt-bindings: arm: rockchip: Add Orange Pi 5 board
arm64: dts: rockchip: Add NanoPC T6 PCIe e-key support
arm64: dts: rockchip: Add sdio node to rock-5b
arm64: dts: rockchip: add PCIe3 bus to rk3588-evb1
...
Link: https://lore.kernel.org/r/1870252.CQOukoFCf9@phil
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Summary of changes:
- CPU 0 hotplug support is deprecated in the upstream kernel. This
causes failures during level change for several customers. So, add a
silent workaround to use Cgroup v2, without user option.
- Increase number of CPUs in a single request
- Fix turbo mode enable/disable issue
- Error handling for invalid input options
StarFive:
Things are a bit slower for StarFive this window, there's only the
addition of audio related DT nodes to speak of here.
Generic:
The SiFive, StarFive and Microchip devicetrees have had my replacement
ISA extension detection properties added. Unfortunately, the old
"riscv,isa" property never defined exactly what the extensions it
contained meant, and people were want to fill it in incorrectly (and
call upstream kernel devs idiots for not doing the same). The new
properties have explicit definitions and hopefully will stand up better
to some of the variation from RVI.
Sophgo:
Two new SoCs, one is probably the first of several with up/down tuned
variants, that have a pair of T-Head c906 cores and appear aimed at the
IP camera, smart <insert whatever> etc markets. They are intended to run
in AMP mode, with an RTOS on the less powerful core. The other is far
more interesting to kernel developers however, the 64-core SG2042, with
more recent c920 cores from T-Head at 2 GHz. For both, support is at a
very basic stage - some of the same developers are working on them as
other T-Head powered SoCs, but hopefully things will move beyond a basic
console boot. The goal is for Chen Wang to take over maintaining the
Sophgo support once they have some more experience with the process.
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
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Merge tag 'riscv-dt-for-v6.7' of https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux into soc/dt
RISC-V Devicetrees for v6.7
StarFive:
Things are a bit slower for StarFive this window, there's only the
addition of audio related DT nodes to speak of here.
Generic:
The SiFive, StarFive and Microchip devicetrees have had my replacement
ISA extension detection properties added. Unfortunately, the old
"riscv,isa" property never defined exactly what the extensions it
contained meant, and people were want to fill it in incorrectly (and
call upstream kernel devs idiots for not doing the same). The new
properties have explicit definitions and hopefully will stand up better
to some of the variation from RVI.
Sophgo:
Two new SoCs, one is probably the first of several with up/down tuned
variants, that have a pair of T-Head c906 cores and appear aimed at the
IP camera, smart <insert whatever> etc markets. They are intended to run
in AMP mode, with an RTOS on the less powerful core. The other is far
more interesting to kernel developers however, the 64-core SG2042, with
more recent c920 cores from T-Head at 2 GHz. For both, support is at a
very basic stage - some of the same developers are working on them as
other T-Head powered SoCs, but hopefully things will move beyond a basic
console boot. The goal is for Chen Wang to take over maintaining the
Sophgo support once they have some more experience with the process.
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
* tag 'riscv-dt-for-v6.7' of https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux: (22 commits)
riscv: dts: starfive: convert isa detection to new properties
riscv: dts: sifive: convert isa detection to new properties
riscv: dts: microchip: convert isa detection to new properties
riscv: dts: sophgo: add Milk-V Duo board device tree
riscv: dts: sophgo: add initial CV1800B SoC device tree
dt-bindings: riscv: Add Milk-V Duo board compatibles
dt-bindings: timer: Add SOPHGO CV1800B clint
dt-bindings: interrupt-controller: Add SOPHGO CV1800B plic
riscv: defconfig: enable SOPHGO SoC
riscv: dts: sophgo: add Milk-V Pioneer board device tree
riscv: dts: add initial Sophgo SG2042 SoC device tree
dt-bindings: interrupt-controller: Add Sophgo sg2042 CLINT mswi
dt-bindings: timer: Add Sophgo sg2042 CLINT timer
dt-bindings: interrupt-controller: Add Sophgo SG2042 PLIC
dt-bindings: riscv: Add T-HEAD C920 compatibles
dt-bindings: riscv: add sophgo sg2042 bindings
dt-bindings: vendor-prefixes: add milkv/sophgo
riscv: Add SOPHGO SOC family Kconfig support
riscv: dts: starfive: add assigned-clock* to limit frquency
riscv: dts: starfive: Add JH7110 PWM-DAC support
...
Link: https://lore.kernel.org/r/20231016-filing-payroll-7aca51b8f1a3@spud
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit fixes the smatch static checker warning in function
mlxbf_tmfifo_rxtx_word() which complains data not initialized at
line 634 when IS_VRING_DROP() is TRUE.
Signed-off-by: Liming Sun <limings@nvidia.com>
Link: https://lore.kernel.org/r/20231012230235.219861-1-limings@nvidia.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
The test_objpool module (test_objpool) will run several testcases
for objpool stress and performance evaluation. Each testcase will
have all available cpu cores involved to create a situation of high
parallel and high contention.
As of now there are 5 groups and 5 * 2 testcases in total:
1) group 1: synchronous mode
objpool is managed synchronously, that is, all objects are to be
reclaimed before objpool finalization and the objpool owner makes
sure of it. All threads on different cores run in the same pace
2) group 2: synchronous mode + hrtimer
this case have 2 customers: normal threads and hrtimer softirqs
3) group 3: synchronous + overrun mode
This test group is mainly for performance evaluation of missing
cases when pre-allocated objects are less than the requested
4) group 4: asynchronous mode
This case is just an emulation of kretprobe, with refcount used
to control the objpool lifecycle
5) group 5: asynchronous mode with hrtimer
hrtimer softirq is introduced to stress async objpool operations
Link: https://lore.kernel.org/all/20231017135654.82270-3-wuqiang.matt@bytedance.com/
Signed-off-by: wuqiang.matt <wuqiang.matt@bytedance.com>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
objpool is a scalable implementation of high performance queue for
object allocation and reclamation, such as kretprobe instances.
With leveraging percpu ring-array to mitigate hot spots of memory
contention, it delivers near-linear scalability for high parallel
scenarios. The objpool is best suited for the following cases:
1) Memory allocation or reclamation are prohibited or too expensive
2) Consumers are of different priorities, such as irqs and threads
Limitations:
1) Maximum objects (capacity) is fixed after objpool creation
2) All pre-allocated objects are managed in percpu ring array,
which consumes more memory than linked lists
Link: https://lore.kernel.org/all/20231017135654.82270-2-wuqiang.matt@bytedance.com/
Signed-off-by: wuqiang.matt <wuqiang.matt@bytedance.com>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
The "pl022,hierarchy" is not documented, all instances use are 0 and
isn't handled in the kernel driver, so let's just remove it.
Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Tom Lendacky <thomas.lendacky@amd.com>
Link: https://lore.kernel.org/r/20230928190859.1072420-1-robh@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- Reserve boot area when SMP is enabled to prevent conflicts with
FLASH,
- Miscellaneous fixes and improvements.
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Merge tag 'renesas-arm-soc-for-v6.7-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel into soc/arm
Renesas ARM SoC updates for v6.7
- Reserve boot area when SMP is enabled to prevent conflicts with
FLASH,
- Miscellaneous fixes and improvements.
* tag 'renesas-arm-soc-for-v6.7-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel:
ARM: shmobile: sh73a0: Reserve boot area when SMP is enabled
ARM: shmobile: r8a7779: Reserve boot area when SMP is enabled
ARM: shmobile: rcar-gen2: Reserve boot area when SMP is enabled
ARM: shmobile: rcar-gen2: Remove unneeded once handling
Link: https://lore.kernel.org/r/cover.1695985421.git.geert+renesas@glider.be
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The data in the max brightness port for iMacs with MMIO gmux incorrectly
reports 0x03ff, but it should be 0xffff. As all other MMIO gmux models
have 0xffff, hard code this for all MMIO gmux's so they all have the
proper brightness range accessible.
Fixes: 0c18184de9 ("platform/x86: apple-gmux: support MMIO gmux on T2 Macs")
Reported-by: Karsten Leipold <poldi@dfn.de>
Signed-off-by: Orlando Chamberlain <orlandoch.dev@gmail.com>
Link: https://lore.kernel.org/r/20231017111444.19304-2-orlandoch.dev@gmail.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
If platform_profile_register() fails, the driver does not propagate
the error, but instead probes successfully. This means when the driver
unbinds, the a warning might be issued by platform_profile_remove().
Fix this by propagating the error back to the caller of
surface_platform_profile_probe().
Compile-tested only.
Fixes: b78b4982d7 ("platform/surface: Add platform profile driver")
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Reviewed-by: Maximilian Luz <luzmaximilian@gmail.com>
Tested-by: Maximilian Luz <luzmaximilian@gmail.com>
Link: https://lore.kernel.org/r/20231014235449.288702-1-W_Armin@gmx.de
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Regression fixes for mcbsp audio clock, and for ams-delta modem. And two
warning fixes. These all can be merged whenever and are not urgent by any
means. Feel free to defer to the merge window unless other fixes are still
pending.
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Merge tag 'omap-fixes-audio-clock-and-modem-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/fixes
Few minor fixes for omaps
Regression fixes for mcbsp audio clock, and for ams-delta modem. And two
warning fixes. These all can be merged whenever and are not urgent by any
means. Feel free to defer to the merge window unless other fixes are still
pending.
* tag 'omap-fixes-audio-clock-and-modem-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
clk: ti: Fix missing omap5 mcbsp functional clock and aliases
clk: ti: Fix missing omap4 mcbsp functional clock and aliases
ARM: OMAP1: ams-delta: Fix MODEM initialization failure
ARM: OMAP: timer32K: fix all kernel-doc warnings
ARM: omap2: fix a debug printk
Link: https://lore.kernel.org/r/pull-1697606314-911862@atomide.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Due to the initial confusion about MIPI_DSI_MODE_EOT_PACKET, properly
renamed to MIPI_DSI_MODE_NO_EOT_PACKET, reflecting its actual meaning,
both the DSI_TXRX_CON register setting for bit (HSTX_)DIS_EOT and the
later calculation for horizontal sync-active (HSA), back (HBP) and
front (HFP) porches got incorrect due to the logic being inverted.
This means that a number of settings were wrong because....:
- DSI_TXRX_CON register setting: bit (HSTX_)DIS_EOT should be
set in order to disable the End of Transmission packet;
- Horizontal Sync and Back/Front porches: The delta used to
calculate all of HSA, HBP and HFP should account for the
additional EOT packet.
Before this change...
- Bit (HSTX_)DIS_EOT was being set when EOT packet was enabled;
- For HSA/HBP/HFP delta... all three were wrong, as words were
added when EOT disabled, instead of when EOT packet enabled!
Invert the logic around flag MIPI_DSI_MODE_NO_EOT_PACKET in the
MediaTek DSI driver to fix the aforementioned issues.
Fixes: 8b2b99fd79 ("drm/mediatek: dsi: Fine tune the line time caused by EOTp")
Fixes: c87d1c4b5b ("drm/mediatek: dsi: Use symbolized register definition")
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Alexandre Mergnat <amergnat@baylibre.com>
Tested-by: Michael Walle <mwalle@kernel.org>
Link: https://patchwork.kernel.org/project/dri-devel/patch/20230523104234.7849-1-angelogioacchino.delregno@collabora.com/
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Rename these two fields to discourage direct access (and to help ensure
that we mop up any leftover direct accesses).
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Convert to using the new inode timestamp accessor functions.
Acked-by: Paul Moore <paul@paul-moore.com>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Link: https://lore.kernel.org/r/20231004185347.80880-84-jlayton@kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
Convert to using the new inode timestamp accessor functions.
Acked-by: Paul Moore <paul@paul-moore.com>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Link: https://lore.kernel.org/r/20231004185347.80880-83-jlayton@kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
