The cpupid (or access time) is stored in the head page for THP, so it is
safely to make should_numa_migrate_memory() and numa_hint_fault_latency()
to take a folio. This is in preparation for large folio numa balancing.
Link: https://lkml.kernel.org/r/20230921074417.24004-7-wangkefeng.wang@huawei.com
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: "Huang, Ying" <ying.huang@intel.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
In preparation for large folio numa balancing, make mpol_misplaced() to
take a folio, no functional change intended.
Link: https://lkml.kernel.org/r/20230921074417.24004-6-wangkefeng.wang@huawei.com
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: "Huang, Ying" <ying.huang@intel.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
In preparation for large folio numa balancing, make numa_migrate_prep() to
take a folio, no functional change intended.
Link: https://lkml.kernel.org/r/20230921074417.24004-5-wangkefeng.wang@huawei.com
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: "Huang, Ying" <ying.huang@intel.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Numa balancing only try to migrate non-compound page in do_numa_page(),
use a folio in it to save several compound_head calls, note we use
folio_estimated_sharers(), it is enough to check the folio sharers since
only normal page is handled, if large folio numa balancing is supported, a
precise folio sharers check would be used, no functional change intended.
Link: https://lkml.kernel.org/r/20230921074417.24004-4-wangkefeng.wang@huawei.com
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: "Huang, Ying" <ying.huang@intel.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Use a folio in do_huge_pmd_numa_page(), reduce three page_folio() calls to
one, no functional change intended.
Link: https://lkml.kernel.org/r/20230921074417.24004-3-wangkefeng.wang@huawei.com
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: "Huang, Ying" <ying.huang@intel.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Patch series "mm: convert numa balancing functions to use a folio", v2.
do_numa_pages() only handles non-compound pages, and only PMD-mapped THPs
are handled in do_huge_pmd_numa_page(). But a large, PTE-mapped folio
will be supported so let's convert more numa balancing functions to
use/take a folio in preparation for that, no functional change intended
for now.
This patch (of 6):
The new vm_normal_folio_pmd() wrapper is similar to vm_normal_folio(),
which allow them to completely replace the struct page variables with
struct folio variables.
Link: https://lkml.kernel.org/r/20230921074417.24004-1-wangkefeng.wang@huawei.com
Link: https://lkml.kernel.org/r/20230921074417.24004-2-wangkefeng.wang@huawei.com
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: "Huang, Ying" <ying.huang@intel.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
TCP pingpong threshold is 1 by default. But some applications, like SQL DB
may prefer a higher pingpong threshold to activate delayed acks in quick
ack mode for better performance.
The pingpong threshold and related code were changed to 3 in the year
2019 in:
commit 4a41f453be ("tcp: change pingpong threshold to 3")
And reverted to 1 in the year 2022 in:
commit 4d8f24eeed ("Revert "tcp: change pingpong threshold to 3"")
There is no single value that fits all applications.
Add net.ipv4.tcp_pingpong_thresh sysctl tunable, so it can be tuned for
optimal performance based on the application needs.
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://lore.kernel.org/r/1697056244-21888-1-git-send-email-haiyangz@microsoft.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
In sys_copyarea(), the local variable bits_per_line is needlessly typed as
*unsigned long* -- which is a 32-bit type on the 32-bit arches and a 64-bit
type on the 64-bit arches; that variable's value is derived from the __u32
typed fb_fix_screeninfo::line_length field (multiplied by 8u) and a 32-bit
*unsigned int* type should still be enough to store the # of bits per line.
Found by Linux Verification Center (linuxtesting.org) with the Svace static
analysis tool.
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Helge Deller <deller@gmx.de>
In cfb_copyarea(), the local variable bits_per_line is needlessly typed as
*unsigned long* -- which is a 32-bit type on the 32-bit arches and a 64-bit
type on the 64-bit arches; that variable's value is derived from the __u32
typed fb_fix_screeninfo::line_length field (multiplied by 8u) and a 32-bit
*unsigned int* type should still be enough to store the # of bits per line.
Found by Linux Verification Center (linuxtesting.org) with the Svace static
analysis tool.
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Helge Deller <deller@gmx.de>
Delete the v86d netlink only after all the VBE tasks have been
completed.
Fixes initial state restore on module unload:
uvesafb: VBE state restore call failed (eax=0x4f04, err=-19)
Signed-off-by: Jorge Maidana <jorgem.linux@gmail.com>
Signed-off-by: Helge Deller <deller@gmx.de>
uvesafb_exec() is a static function defined and called only in
drivers/video/fbdev/uvesafb.c, remove the prototype from
include/video/uvesafb.h.
Fixes the warning:
./include/video/uvesafb.h:112:12: warning: 'uvesafb_exec' declared 'static' but never defined [-Wunused-function]
when including '<video/uvesafb.h>' in an external program.
Signed-off-by: Jorge Maidana <jorgem.linux@gmail.com>
Signed-off-by: Helge Deller <deller@gmx.de>
A single fix for the Starfive VisionFive 2 platform so that chip select
for SPI matches the vendor documentation.
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
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Merge tag 'riscv-dt-for-v6.6-final' of https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux into arm/fixes
RISC-V Devicetrees for v6.6-final
A single fix for the Starfive VisionFive 2 platform so that chip select
for SPI matches the vendor documentation.
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
* tag 'riscv-dt-for-v6.6-final' of https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux:
riscv: dts: starfive: visionfive 2: correct spi's ss pin
Link: https://lore.kernel.org/r/20231015-outmatch-tragedy-228f91d396b5@spud
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This is a global function that is only referenced as an initcall. This causes
a warning:
drivers/video/fbdev/sa1100fb.c:1218:12: error: no previous prototype for 'sa1100fb_init' [-Werror=missing-prototypes]
Make it static instead.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Helge Deller <deller@gmx.de>
Minor changes here only. There's the treewide remove callback work from
Uwe, some of my own gradual conversion of SOC_ Kconfig options and a
selection of the ARM AMBA protocol required for the crypto driver on
StarFive JH7110 SoCs. The latter was supposed to be in v6.6, but I
forgot to send a PR.
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
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Merge tag 'riscv-soc-for-v6.7' of https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux into soc/drivers
RISC-V SoC drivers for v6.7
Minor changes here only. There's the treewide remove callback work from
Uwe, some of my own gradual conversion of SOC_ Kconfig options and a
selection of the ARM AMBA protocol required for the crypto driver on
StarFive JH7110 SoCs. The latter was supposed to be in v6.6, but I
forgot to send a PR.
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
* tag 'riscv-soc-for-v6.7' of https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux:
soc/microchip: mpfs-sys-controller: Convert to platform remove callback returning void
soc: sifive: replace SOC_FOO with ARCH_FOO
riscv: Kconfig: Add select ARM_AMBA to SOC_STARFIVE
Link: https://lore.kernel.org/r/20231016-predator-affiliate-e8affd3a7be9@spud
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
1. Atmel: Use __counted_by annotation.
2. Tegra: Add Tegra234 clients for RCE and VI.
3. Cleanup:
- Use device_get_match_data() to simplify the code,
- Make "additionalProperties: true" explicit in Devicetree bindings.
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Merge tag 'memory-controller-drv-6.7' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-mem-ctrl into soc/drivers
Memory controller drivers for v6.7
1. Atmel: Use __counted_by annotation.
2. Tegra: Add Tegra234 clients for RCE and VI.
3. Cleanup:
- Use device_get_match_data() to simplify the code,
- Make "additionalProperties: true" explicit in Devicetree bindings.
* tag 'memory-controller-drv-6.7' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-mem-ctrl:
memory: Use device_get_match_data()
memory: tegra: Add Tegra234 clients for RCE and VI
dt-bindings: memory-controllers: Make "additionalProperties: true" explicit
memory: atmel-ebi: Annotate struct atmel_ebi_dev with __counted_by
Link: https://lore.kernel.org/r/20231016074013.28286-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Contains a fix for a long timeout that can make it seems like the system
is hanging during early resume.
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Merge tag 'tegra-for-6.7-memory' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into soc/drivers
memory: tegra: Changes for v6.7-rc1
Contains a fix for a long timeout that can make it seems like the system
is hanging during early resume.
* tag 'tegra-for-6.7-memory' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
memory: tegra: Set BPMP msg flags to reset IPC channels
Link: https://lore.kernel.org/r/20231013153723.1729109-4-thierry.reding@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The Powkiddy RGB30 is a portable game device based on the Rockchip
RK3566 SoC. It has GPIO buttons on the face and sides for input, stereo
speakers, a 720x720 4 inch DSI display, a USB-C host port and a USB-C
peripheral port, dual SD card slots, WiFi, Bluetooth, and 1GB of RAM.
Working/Tested:
- SDMMC
- UART (for debugging)
- Buttons
- Charging/battery/PMIC
- Speaker/Headphones
- USB
- WiFi
- Bluetooth
- Display (at 59.04hz)
Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Link: https://lore.kernel.org/r/20231013183918.225666-6-macroalpha82@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
The Powkiddy RGB30 is a portable handheld console from Powkiddy which
uses the Rockchip RK3566 SoC.
Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20231013183918.225666-5-macroalpha82@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Contains a typofix and a new mechanism to help fix an issue that can
seemingly hang the system during early resume.
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Merge tag 'tegra-for-6.7-firmware' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into soc/drivers
firmware: tegra: Changes for v6.7-rc1
Contains a typofix and a new mechanism to help fix an issue that can
seemingly hang the system during early resume.
* tag 'tegra-for-6.7-firmware' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
firmware: tegra: Add suspend hook and reset BPMP IPC early on resume
firmware: tegra: Fix a typo
Link: https://lore.kernel.org/r/20231013153723.1729109-2-thierry.reding@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This contains a few minor cleanups for PMC and CBB.
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Merge tag 'tegra-for-6.7-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into soc/drivers
soc/tegra: Changes for v6.7-rc1
This contains a few minor cleanups for PMC and CBB.
* tag 'tegra-for-6.7-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
soc/tegra: pmc: Drop the ->opp_to_performance_state() callback
soc/tegra: cbb: tegra194-cbb: Convert to platform remove callback returning void
Link: https://lore.kernel.org/r/20231013153723.1729109-1-thierry.reding@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The main addition is the initial support for the notifications and
memory transaction descriptor changes added in FF-A v1.1 specification.
The notification mechanism enables a requester/sender endpoint to notify
a service provider/receiver endpoint about an event with non-blocking
semantics. A notification is akin to the doorbell between two endpoints
in a communication protocol that is based upon the doorbell/mailbox
mechanism.
The framework is responsible for the delivery of the notification from
the ender to the receiver without blocking the sender. The receiver
endpoint relies on the OS scheduler for allocation of CPU cycles to
handle a notification.
OS is referred as the receiver’s scheduler in the context of notifications.
The framework is responsible for informing the receiver’s scheduler that
the receiver must be run since it has a pending notification.
The series also includes support for the new format of memory transaction
descriptors introduced in v1.1 specification.
Apart from the main additions, it includes minor fixes to re-enable FF-A
drivers usage of 32bit mode of messaging and kernel warning due to the
missing assignment of IDR allocation ID to the FFA device. It also adds
emitting 'modalias' to the base attribute of FF-A devices.
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Merge tag 'ffa-updates-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into soc/drivers
Arm FF-A updates for v6.7
The main addition is the initial support for the notifications and
memory transaction descriptor changes added in FF-A v1.1 specification.
The notification mechanism enables a requester/sender endpoint to notify
a service provider/receiver endpoint about an event with non-blocking
semantics. A notification is akin to the doorbell between two endpoints
in a communication protocol that is based upon the doorbell/mailbox
mechanism.
The framework is responsible for the delivery of the notification from
the ender to the receiver without blocking the sender. The receiver
endpoint relies on the OS scheduler for allocation of CPU cycles to
handle a notification.
OS is referred as the receiver’s scheduler in the context of notifications.
The framework is responsible for informing the receiver’s scheduler that
the receiver must be run since it has a pending notification.
The series also includes support for the new format of memory transaction
descriptors introduced in v1.1 specification.
Apart from the main additions, it includes minor fixes to re-enable FF-A
drivers usage of 32bit mode of messaging and kernel warning due to the
missing assignment of IDR allocation ID to the FFA device. It also adds
emitting 'modalias' to the base attribute of FF-A devices.
* tag 'ffa-updates-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
firmware: arm_ffa: Upgrade the driver version to v1.1
firmware: arm_ffa: Update memory descriptor to support v1.1 format
firmware: arm_ffa: Switch to using ffa_mem_desc_offset() accessor
KVM: arm64: FFA: Remove access of endpoint memory access descriptor array
firmware: arm_ffa: Simplify the computation of transmit and fragment length
firmware: arm_ffa: Add notification handling mechanism
firmware: arm_ffa: Add interface to send a notification to a given partition
firmware: arm_ffa: Add interfaces to request notification callbacks
firmware: arm_ffa: Add schedule receiver callback mechanism
firmware: arm_ffa: Initial support for scheduler receiver interrupt
firmware: arm_ffa: Implement the NOTIFICATION_INFO_GET interface
firmware: arm_ffa: Implement the FFA_NOTIFICATION_GET interface
firmware: arm_ffa: Implement the FFA_NOTIFICATION_SET interface
firmware: arm_ffa: Implement the FFA_RUN interface
firmware: arm_ffa: Implement the notification bind and unbind interface
firmware: arm_ffa: Implement notification bitmap create and destroy interfaces
firmware: arm_ffa: Update the FF-A command list with v1.1 additions
firmware: arm_ffa: Emit modalias for FF-A devices
firmware: arm_ffa: Allow the FF-A drivers to use 32bit mode of messaging
firmware: arm_ffa: Assign the missing IDR allocation ID to the FFA device
Link: https://lore.kernel.org/r/20231010124354.1620064-1-sudeep.holla@arm.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Main additions this time include:
1. SCMI v3.2 clock configuration support:
This helps to retrieve the enabled state of a clock as well as allow
to set OEM specific clock configurations.
2. Support for generic performance scaling(DVFS):
The current SCMI DVFS support is limited to the CPUs in the kernel.
This extension enables it to used for all kind of devices and not
only for the CPUs. It updates the SCMI cpufreq to utilize the power
domain bindings. It also adds a more generic SCMI performance domain
based on the genpd framework that as be used for all the non-CPU
devices.
3. Extend the generic performance scaling(DVFS) support for firmware
driver OPPs:
Consumer drivers for devices that are attached to the SCMI performance
domain can't make use of the current OPP library to scale performance
as the OPPs are firmware driven and often obtained from the firmware
rather than the device tree. These changes extend the generic OPP
and genpd PM domain frameworks to identify and utilise these firmware
driven OPPs.
4. SCMI v3.2 clock parent support:
This enables the support for discovering and changing parent clocks
and extending the SCMI clk driver to use the same.
5. Qualcom SMC/HVC transport support:
The Qualcomm virtual platforms require capability id in the hypervisor
call to identify which doorbell to assert when supporting multiple
SMC/HVC based SCMI transport channels. Extra parameter is added to
support the same and the same is obtained at the fixed address in the
shared memory which is initialised by the firmware.
6. Move the existing SCMI power domain driver under drivers/pmdomain
Apart from the above main changes, it also include couple of minor fixes
and cosmetic reworks.
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Merge tag 'scmi-updates-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into soc/drivers
Arm SCMI updates for v6.7
Main additions this time include:
1. SCMI v3.2 clock configuration support:
This helps to retrieve the enabled state of a clock as well as allow
to set OEM specific clock configurations.
2. Support for generic performance scaling(DVFS):
The current SCMI DVFS support is limited to the CPUs in the kernel.
This extension enables it to used for all kind of devices and not
only for the CPUs. It updates the SCMI cpufreq to utilize the power
domain bindings. It also adds a more generic SCMI performance domain
based on the genpd framework that as be used for all the non-CPU
devices.
3. Extend the generic performance scaling(DVFS) support for firmware
driver OPPs:
Consumer drivers for devices that are attached to the SCMI performance
domain can't make use of the current OPP library to scale performance
as the OPPs are firmware driven and often obtained from the firmware
rather than the device tree. These changes extend the generic OPP
and genpd PM domain frameworks to identify and utilise these firmware
driven OPPs.
4. SCMI v3.2 clock parent support:
This enables the support for discovering and changing parent clocks
and extending the SCMI clk driver to use the same.
5. Qualcom SMC/HVC transport support:
The Qualcomm virtual platforms require capability id in the hypervisor
call to identify which doorbell to assert when supporting multiple
SMC/HVC based SCMI transport channels. Extra parameter is added to
support the same and the same is obtained at the fixed address in the
shared memory which is initialised by the firmware.
6. Move the existing SCMI power domain driver under drivers/pmdomain
Apart from the above main changes, it also include couple of minor fixes
and cosmetic reworks.
* tag 'scmi-updates-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux: (37 commits)
firmware: arm_scmi: Add qcom smc/hvc transport support
dt-bindings: arm: Add new compatible for smc/hvc transport for SCMI
firmware: arm_scmi: Convert u32 to unsigned long to align with arm_smccc_1_1_invoke()
clk: scmi: Add support for clock {set,get}_parent
firmware: arm_scmi: Add support for clock parents
clk: scmi: Free scmi_clk allocated when the clocks with invalid info are skipped
firmware: arm_scpi: Use device_get_match_data()
firmware: arm_scmi: Add generic OPP support to the SCMI performance domain
firmware: arm_scmi: Specify the performance level when adding an OPP
firmware: arm_scmi: Simplify error path in scmi_dvfs_device_opps_add()
OPP: Extend support for the opp-level beyond required-opps
OPP: Switch to use dev_pm_domain_set_performance_state()
OPP: Extend dev_pm_opp_data with a level
OPP: Add dev_pm_opp_add_dynamic() to allow more flexibility
PM: domains: Implement the ->set_performance_state() callback for genpd
PM: domains: Introduce dev_pm_domain_set_performance_state()
firmware: arm_scmi: Rename scmi_{msg_,}clock_config_{get,set}_{2,21}
firmware: arm_scmi: Do not use !! on boolean when setting msg->flags
firmware: arm_scmi: Move power-domain driver to the pmdomain dir
pmdomain: arm: Add the SCMI performance domain
...
Link: https://lore.kernel.org/r/20231010124347.1620040-1-sudeep.holla@arm.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Just a single update to use __counted_by annotation in config bus driver
in preparation to the upcoming versions of the toolchains(GCC and Clang)
with __counted_by attribute.
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Merge tag 'vexpress-update-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into soc/drivers
Arm Vexpress updates for v6.7
Just a single update to use __counted_by annotation in config bus driver
in preparation to the upcoming versions of the toolchains(GCC and Clang)
with __counted_by attribute.
* tag 'vexpress-update-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
bus: vexpress-config: Annotate struct vexpress_syscfg_func with __counted_by
Link: https://lore.kernel.org/r/20231010124339.1620012-1-sudeep.holla@arm.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This PR contains the patches I sent in the series available at
https://lore.kernel.org/all/20230925095532.1984344-1-u.kleine-koenig@pengutronix.de
that were not yet picked up in next as of next-20231013.
It converts all drivers below drivers/soc to let their remove callback
return void. See commit 5c5a7680e6 ("platform: Provide a remove
callback that returns no value") for the rationale.
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Merge tag 'platform-remove-void-soc-for-6.7-rc' of https://git.pengutronix.de/git/ukl/linux into soc/drivers
Convert drivers/soc to struct platform_driver::remove_new()
This PR contains the patches I sent in the series available at
https://lore.kernel.org/all/20230925095532.1984344-1-u.kleine-koenig@pengutronix.de
that were not yet picked up in next as of next-20231013.
It converts all drivers below drivers/soc to let their remove callback
return void. See commit 5c5a7680e6 ("platform: Provide a remove
callback that returns no value") for the rationale.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new() which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20230925095532.1984344-32-u.kleine-koenig@pengutronix.de
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20231016072911.27148-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The Powkiddy RGB30 panel is a 4 inch 720x720 MIPI-DSI LCD panel. It
appears to be based on the ST7703 LCD controller (this is assumed from
the init sequence similarity between this and other displays). Powkiddy
would not share the part number or name for the display from the bill
of materials and there were no obvious external markings, so name the
panel for the device (Powkiddy RGB30).
Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20231013183918.225666-3-macroalpha82@gmail.com
* Merge "Drop runtime PM support for Baytrail and Lynxpoint pinctrl" (Raag)
* Small improvements here and there in the Intel pin control drivers (Raag)
* Switch to RAII for locking in the Intel core and Cherry View drivers
* Enable non-ACPI enumeration in the Intel Denverton driver
* Use MODULE_DEVICE_TABLE() instead of MODULE_ALIAS() in a couple of drivers
* Introduce array_size.h and use in in the Intel pin control drivers
The following is an automated git shortlog grouped by driver:
baytrail:
- Replace kernel.h by what is actually being used
- drop runtime PM support
- fix debounce disable case
broxton:
- Replace MODULE_ALIAS() with MODULE_DEVICE_TABLE()
cherryview:
- reduce scope of PIN_CONFIG_BIAS_HIGH_IMPEDANCE case
- Convert to platform remove callback returning void
- Simplify code with cleanup helpers
- Avoid duplicated I/O
- Replace kernel.h by what is actually being used
denverton:
- Replace MODULE_ALIAS() with MODULE_DEVICE_TABLE()
- Enable platform device in the absence of ACPI enumeration
intel:
- fetch community only when we need it
- refine intel_config_set_pull() function
- Replace kernel.h by what is actually being used
- Simplify code with cleanup helpers
lynxpoint:
- Replace kernel.h by what is actually being used
- drop runtime PM support
merrifield:
- Replace kernel.h by what is actually being used
moorefield:
- Replace kernel.h by what is actually being used
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Merge tag 'intel-pinctrl-v6.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pinctrl/intel into devel
intel-pinctrl for v6.7-1
* Merge "Drop runtime PM support for Baytrail and Lynxpoint pinctrl" (Raag)
* Small improvements here and there in the Intel pin control drivers (Raag)
* Switch to RAII for locking in the Intel core and Cherry View drivers
* Enable non-ACPI enumeration in the Intel Denverton driver
* Use MODULE_DEVICE_TABLE() instead of MODULE_ALIAS() in a couple of drivers
* Introduce array_size.h and use in in the Intel pin control drivers
The following is an automated git shortlog grouped by driver:
baytrail:
- Replace kernel.h by what is actually being used
- drop runtime PM support
- fix debounce disable case
broxton:
- Replace MODULE_ALIAS() with MODULE_DEVICE_TABLE()
cherryview:
- reduce scope of PIN_CONFIG_BIAS_HIGH_IMPEDANCE case
- Convert to platform remove callback returning void
- Simplify code with cleanup helpers
- Avoid duplicated I/O
- Replace kernel.h by what is actually being used
denverton:
- Replace MODULE_ALIAS() with MODULE_DEVICE_TABLE()
- Enable platform device in the absence of ACPI enumeration
intel:
- fetch community only when we need it
- refine intel_config_set_pull() function
- Replace kernel.h by what is actually being used
- Simplify code with cleanup helpers
lynxpoint:
- Replace kernel.h by what is actually being used
- drop runtime PM support
merrifield:
- Replace kernel.h by what is actually being used
moorefield:
- Replace kernel.h by what is actually being used
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
If NAT is corrupted, let scan_nat_page() return EFSCORRUPTED, so that,
caller can set SBI_NEED_FSCK flag into checkpoint for later repair by
fsck.
Also, this patch introduces a new fscorrupted error flag, and in above
scenario, it will persist the error flag into superblock synchronously
to avoid it has no luck to trigger a checkpoint to record SBI_NEED_FSCK
Signed-off-by: Zhiguo Niu <zhiguo.niu@unisoc.com>
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Fix the following errors reported by checkpatch:
ERROR: spaces required around that ':' (ctx:VxW)
Signed-off-by: KaiLong Wang <wangkailong@jari.cn>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
We can't trust write pointers when the previous mount was not
successfully unmounted.
Signed-off-by: Daeho Jeong <daehojeong@google.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Add missing UHS-I SDR rates to sdmmc2. Add explicit alias as mmc2 while at it.
It would be good to have matching timings enabled in case slower SDIO devices
are encountered.
Signed-off-by: Tamás Szűcs <tszucs@protonmail.ch>
Link: https://lore.kernel.org/r/20231011191448.58936-1-tszucs@protonmail.ch
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Commit 91419ae042 ("arm64: dts: rockchip: use BCLK to GPIO switch on
rk3399") modified i2s0 to switch the corresponding pins off when idle.
For the ROCK Pi 4 boards, this means that i2s0 has the following pinctrl
setting:
pinctrl-names = "bclk_on", "bclk_off";
pinctrl-0 = <&i2s0_2ch_bus>;
pinctrl-1 = <&i2s0_8ch_bus_bclk_off>;
Due to this change, i2s0 fails to probe on my Radxa ROCK 4SE and ROCK Pi
4B boards:
rockchip-pinctrl pinctrl: pin gpio3-29 already requested by leds; cannot claim for ff880000.i2s
rockchip-pinctrl pinctrl: pin-125 (ff880000.i2s) status -22
rockchip-pinctrl pinctrl: could not request pin 125 (gpio3-29) from group i2s0-8ch-bus-bclk-off on device rockchip-pinctrl
rockchip-i2s ff880000.i2s: Error applying setting, reverse things back
rockchip-i2s ff880000.i2s: bclk disable failed -22
A pin requested for i2s0_8ch_bus_bclk_off has already been requested by
user_led2, so whichever driver probes first will have the pin allocated.
The hardware uses 2-channel i2s so fix this error by setting pinctl-1 to
i2s0_2ch_bus_bclk_off which doesn't contain the pin allocated to user_led2.
I checked the schematics for all Radxa boards based on ROCK Pi 4 and this
change is compatible with all boards.
Fixes: 91419ae042 ("arm64: dts: rockchip: use BCLK to GPIO switch on rk3399")
Signed-off-by: Christopher Obbard <chris.obbard@collabora.com>
Link: https://lore.kernel.org/r/20231013114737.494410-3-chris.obbard@collabora.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Commit 0efaf80783 ("arm64: dts: rockchip: add i2s0-2ch-bus pins on
rk3399") introduced a pinctl for i2s0 in two-channel mode. Commit
91419ae042 ("arm64: dts: rockchip: use BCLK to GPIO switch on rk3399")
modified i2s0 to switch the corresponding pins off when idle.
Although an idle pinctrl node was added for i2s0 in 8-channel mode, a
similar idle pinctrl node for i2s0 in 2-channel mode was not added. Add
it.
Fixes: 91419ae042 ("arm64: dts: rockchip: use BCLK to GPIO switch on rk3399")
Signed-off-by: Christopher Obbard <chris.obbard@collabora.com>
Link: https://lore.kernel.org/r/20231013114737.494410-2-chris.obbard@collabora.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
In selftests/amd-pstate, distro `perf` is used to capture `perf stat`
while running microbenchmarks. Distro `perf` is not working with
upstream kernel. Fix this by providing an option to give the perf
binary path.
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Swapnil Sapkal <swapnil.sapkal@amd.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
In selftests/amd-pstate, tbench and gitsource microbenchmarks are
used to compare the performance with different governors. In current
implementation the relative path to run `amd_pstate_tracer.py` is broken.
Fix this by using absolute paths.
Signed-off-by: Swapnil Sapkal <swapnil.sapkal@amd.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
For unmapping any buffer from kernel, it should first be unmapped
from DSP. In case unmap from DSP request fails, the map should not
be removed from kernel as it might lead to SMMU faults and other
memory issues.
Fixes: 5c1b97c7d7 ("misc: fastrpc: add support for FASTRPC_IOCTL_MEM_MAP/UNMAP")
Cc: stable <stable@kernel.org>
Signed-off-by: Ekansh Gupta <quic_ekangupt@quicinc.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20231013122007.174464-5-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
