This follows up on the previous 5.6 fixes tag with a fix for the A33
Security System (crypto offloading hardware). The hardware was found
to not be compatible with existing hardware and a new compatible was
needed.
The driver change was picked up right before the previous -rc6 and
the DT bindings and DT changes were not picked up. The goal is to have
all the changes in the same release, that is v5.6.
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Merge tag 'sunxi-fixes-for-5.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into arm/fixes
Allwinner Fixes for 5.6 - part 2
This follows up on the previous 5.6 fixes tag with a fix for the A33
Security System (crypto offloading hardware). The hardware was found
to not be compatible with existing hardware and a new compatible was
needed.
The driver change was picked up right before the previous -rc6 and
the DT bindings and DT changes were not picked up. The goal is to have
all the changes in the same release, that is v5.6.
* tag 'sunxi-fixes-for-5.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
ARM: dts: sun8i: a33: add the new SS compatible
dt-bindings: crypto: add new compatible for A33 SS
Link: https://lore.kernel.org/r/20200313060727.GA23962@wens.csie.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Remove space after opening parenthesis in if statement to improve code
readability and to adhere to the standard coding style.
Reported by checkpatch.pl
Signed-off-by: Soumyajit Deb <debsoumyajit100@gmail.com>
Link: https://lore.kernel.org/r/20200325072905.29066-7-debsoumyajit100@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add space after "," in function arguments to improve code readability.
Reported by checkpatch.pl
Signed-off-by: Soumyajit Deb <debsoumyajit100@gmail.com>
Link: https://lore.kernel.org/r/20200325072905.29066-6-debsoumyajit100@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
A pretty normal set of fixes for v5.6:
- Fix reversed macros used for A83T EMAC clock and reset
- Fix camera regulator voltage and USB OTG for TBS-A711
- 16-bit / 8-bit mixed read fix for our RSB driver
- Fix SPI controller base address for R40
- Reorder device nodes based on base address for R40
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Merge tag 'sunxi-fixes-for-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into arm/fixes
Allwinner Fixes for v5.6
A pretty normal set of fixes for v5.6:
- Fix reversed macros used for A83T EMAC clock and reset
- Fix camera regulator voltage and USB OTG for TBS-A711
- 16-bit / 8-bit mixed read fix for our RSB driver
- Fix SPI controller base address for R40
- Reorder device nodes based on base address for R40
* tag 'sunxi-fixes-for-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
ARM: dts: sun8i: r40: Move SPI device nodes based on address order
ARM: dts: sun8i: r40: Fix register base address for SPI2 and SPI3
ARM: dts: sun8i: r40: Move AHCI device node based on address order
bus: sunxi-rsb: Return correct data when mixing 16-bit and 8-bit reads
ARM: dts: sun8i-a83t-tbs-a711: Fix USB OTG mode detection
ARM: dts: sun8i-a83t-tbs-a711: HM5065 doesn't like such a high voltage
ARM: dts: sun8i: a83t: Fix incorrect clk and reset macros for EMAC device
Link: https://lore.kernel.org/r/20200313055233.GA19649@wens.csie.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Update matches style found elsewhere in file.
Issue found by checkpatch: line over 80 characters.
Signed-off-by: Briana Oursler <briana.oursler@gmail.com>
Link: https://lore.kernel.org/r/20200324183812.79411-1-briana.oursler@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
- Update SCU power domain driver to include PD ranges for audio, CM40
I2C and INTMUX, also enlarge PD range for mu_b.
- Remove IMX_SC_RPC_SVC_ABORT from SCU API, as it was added by mistake.
- Increase build test coverage for i.MX8M SoC and IMX_SCU driver.
- Improve i.MX GPC power up sequencing to ensure that the reset is
properly propagated through the peripheral devices in the power
domain.
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Merge tag 'imx-drivers-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/drivers
i.MX drivers update for 5.7:
- Update SCU power domain driver to include PD ranges for audio, CM40
I2C and INTMUX, also enlarge PD range for mu_b.
- Remove IMX_SC_RPC_SVC_ABORT from SCU API, as it was added by mistake.
- Increase build test coverage for i.MX8M SoC and IMX_SCU driver.
- Improve i.MX GPC power up sequencing to ensure that the reset is
properly propagated through the peripheral devices in the power
domain.
* tag 'imx-drivers-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
soc: imx: drop COMPILE_TEST for IMX_SCU_SOC
firmware: imx: add COMPILE_TEST for IMX_SCU driver
soc: imx: gpc: fix power up sequencing
soc: imx: increase build coverage for imx8m soc driver
firmware: imx: scu-pd: add power domain for I2C and INTMUX in CM40 SS
firmware: imx: Remove IMX_SC_RPC_SVC_ABORT
firmware: imx: scu-pd: enlarge PD range for mu_b
firmware: imx: scu-pd: Add missing audio PD ranges
soc: imx: gpcv2: include linux/sizes.h
Link: https://lore.kernel.org/r/20200318051918.32579-1-shawnguo@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This adds a new library for subscribing to notifications about
protection domains being stated and stopped and the integration of this
with the APR driver. It also contains fixes and cleanups for AOSS
driver, socinfo and rpmh.
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Merge tag 'qcom-drivers-for-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/drivers
Qualcomm driver updates for v5.7
This adds a new library for subscribing to notifications about
protection domains being stated and stopped and the integration of this
with the APR driver. It also contains fixes and cleanups for AOSS
driver, socinfo and rpmh.
* tag 'qcom-drivers-for-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
soc: qcom: Fix QCOM_APR dependencies
soc: qcom: pdr: Avoid uninitialized use of found in pdr_indication_cb
soc: qcom: apr: Add avs/audio tracking functionality
dt-bindings: soc: qcom: apr: Add protection domain bindings
soc: qcom: Introduce Protection Domain Restart helpers
devicetree: bindings: firmware: add ipq806x to qcom_scm
soc: qcom: socinfo: Use seq_putc() if possible
drivers: qcom: rpmh-rsc: Use rcuidle tracepoints for rpmh
soc: qcom: Do not depend on ARCH_QCOM for QMI helpers
soc: qcom: aoss: Read back before triggering the IRQ
soc: qcom: aoss: Use wake_up_all() instead of wake_up_interruptible_all()
drivers: qcom: rpmh: remove rpmh_flush export
drivers: qcom: rpmh: fix macro to accept NULL argument
Link: https://lore.kernel.org/r/20200318044236.GD470201@yoga
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Driver changes for ti-sysc interconnect target module driver mostly
to be able to probe display subsystem (DSS) without platform data:
- Rename clk_enable/disable quirks to less confusing pre and post
reset quirks
- Enable module reset to work with modules with no sysconfig register
- Also consider non-existing module register when matching quirks
- Don't warn with nested ti-sysc devices
- Implement basic SoC revision handling
- Detect DSS related devices
- Implement DSS reset quirks
Note that there is also a DSS driver specific probe fix to allow
probing devices configured for interconnect target module data that
was agreed to be merged along with the ti-sysc driver changes.
And then there also changes to handle RTC, EDMA and PRUSS:
- Add module unlock quirk for RTC
- Detect EDMA modules
- Add support for handling PRUSS
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Merge tag 'omap-for-v5.7/ti-sysc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/drivers
Driver changes for ti-sysc for v5.7 merge window
Driver changes for ti-sysc interconnect target module driver mostly
to be able to probe display subsystem (DSS) without platform data:
- Rename clk_enable/disable quirks to less confusing pre and post
reset quirks
- Enable module reset to work with modules with no sysconfig register
- Also consider non-existing module register when matching quirks
- Don't warn with nested ti-sysc devices
- Implement basic SoC revision handling
- Detect DSS related devices
- Implement DSS reset quirks
Note that there is also a DSS driver specific probe fix to allow
probing devices configured for interconnect target module data that
was agreed to be merged along with the ti-sysc driver changes.
And then there also changes to handle RTC, EDMA and PRUSS:
- Add module unlock quirk for RTC
- Detect EDMA modules
- Add support for handling PRUSS
* tag 'omap-for-v5.7/ti-sysc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
bus: ti-sysc: Add support for PRUSS SYSC type
dt-bindings: bus: ti-sysc: Add support for PRUSS SYSC type
bus: ti-sysc: Detect EDMA and set quirk flags for tptc
bus: ti-sysc: Fix wrong offset for display subsystem reset quirk
bus: ti-sysc: Implement display subsystem reset quirk
bus: ti-sysc: Detect display subsystem related devices
bus: ti-sysc: Handle module unlock quirk needed for some RTC
bus: ti-sysc: Implement SoC revision handling
bus: ti-sysc: Don't warn about legacy property for nested ti-sysc devices
bus: ti-sysc: Consider non-existing registers too when matching quirks
bus: ti-sysc: Improve reset to work with modules with no sysconfig
bus: ti-sysc: Rename clk related quirks to pre_reset and post_reset quirks
bus: ti-sysc: Fix 1-wire reset quirk
drm/omap: Prepare DSS for probing without legacy platform data
Link: https://lore.kernel.org/r/pull-1583511417-919838@atomide.com-3
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- Fix up the device resources for the broken firmware to avoid
use-after-free warnings from KASAN in the host removal path
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Merge tag 'hisi-drivers-for-5.7' of git://github.com/hisilicon/linux-hisi into arm/drivers
ARM64: hisi: SoC driver updates for 5.7
- Fix up the device resources for the broken firmware to avoid
use-after-free warnings from KASAN in the host removal path
* tag 'hisi-drivers-for-5.7' of git://github.com/hisilicon/linux-hisi:
bus: hisi_lpc: Fixup IO ports addresses to avoid use-after-free in host removal
Link: https://lore.kernel.org/r/5E61F700.5060301@hisilicon.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Detailed description for this pull request:
1. Update the extcon provider driver as following:
- Add wakeup support for extcon-axp288.c
- Clean-up code of -EPROBE_DEFER error case for extcon-palmas.c
- Covert extcon-usbc-cros-ec.txt to yaml format
2. Export symbol of extcon_get_edev_name()
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Merge tag 'extcon-next-for-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/extcon into char-misc-next
Chanwoo writes:
Update extcon for 5.7
Detailed description for this pull request:
1. Update the extcon provider driver as following:
- Add wakeup support for extcon-axp288.c
- Clean-up code of -EPROBE_DEFER error case for extcon-palmas.c
- Covert extcon-usbc-cros-ec.txt to yaml format
2. Export symbol of extcon_get_edev_name()
* tag 'extcon-next-for-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/extcon:
extcon: axp288: Add wakeup support
extcon: Mark extcon_get_edev_name() function as exported symbol
extcon: palmas: Hide error messages if gpio returns -EPROBE_DEFER
dt-bindings: extcon: usbc-cros-ec: convert extcon-usbc-cros-ec.txt to yaml format
The feature flag hwp_support_ids are supposed to match on is
X86_FEATURE_HWP, not X86_FEATURE_APERFMPERF. Fix it.
[ bp: Write commit message. ]
Fixes: b11d77fa30 ("cpufreq: Convert to new X86 CPU match macros")
Reported-by: kernel test robot <rong.a.chen@intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20200324060124.GC11705@shao2-debian
Use separate functions for the device core to bring a CPU up and down.
Users outside the device core must use add/remove_cpu() which will take
care of extra housekeeping work like keeping sysfs in sync.
Make cpu_up/down() static and replace the extra layer of indirection.
[ tglx: Removed the extra wrapper functions and adjusted function names ]
Signed-off-by: Qais Yousef <qais.yousef@arm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20200323135110.30522-18-qais.yousef@arm.com
This is the last direct user of cpu_up() before it can become an internal
implementation detail of the cpu subsystem.
Signed-off-by: Qais Yousef <qais.yousef@arm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20200323135110.30522-17-qais.yousef@arm.com
The core device API performs extra housekeeping bits that are missing
from directly calling cpu_up/down().
See commit a6717c01dd ("powerpc/rtas: use device model APIs and
serialization during LPM") for an example description of what might go
wrong.
This also prepares to make cpu_up/down() a private interface of the CPU
subsystem.
Signed-off-by: Qais Yousef <qais.yousef@arm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: "Paul E. McKenney" <paulmck@kernel.org>
Link: https://lkml.kernel.org/r/20200323135110.30522-16-qais.yousef@arm.com
The core device API performs extra housekeeping bits that are missing
from directly calling cpu_up/down().
See commit a6717c01dd ("powerpc/rtas: use device model APIs and
serialization during LPM") for an example description of what might go
wrong.
This also prepares to make cpu_up/down a private interface of the CPU subsystem.
Signed-off-by: Qais Yousef <qais.yousef@arm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Link: https://lkml.kernel.org/r/20200323135110.30522-15-qais.yousef@arm.com
The core device API performs extra housekeeping bits that are missing
from directly calling cpu_up/down().
See commit a6717c01dd ("powerpc/rtas: use device model APIs and
serialization during LPM") for an example description of what might go
wrong.
This also prepares to make cpu_up/down() a private interface of the cpu
subsystem.
Signed-off-by: Qais Yousef <qais.yousef@arm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Juergen Gross <jgross@suse.com>
Link: https://lkml.kernel.org/r/20200323135110.30522-14-qais.yousef@arm.com
The core device API performs extra housekeeping bits that are missing
from directly calling cpu_up/down().
See commit a6717c01dd ("powerpc/rtas: use device model APIs and
serialization during LPM") for an example description of what might go
wrong.
This also prepares to make cpu_up/down() a private interface of the CPU
subsystem.
Signed-off-by: Qais Yousef <qais.yousef@arm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Helge Deller <deller@gmx.de>
Link: https://lkml.kernel.org/r/20200323135110.30522-13-qais.yousef@arm.com
The core device API performs extra housekeeping bits that are missing
from directly calling cpu_up/down().
See commit a6717c01dd ("powerpc/rtas: use device model APIs and
serialization during LPM") for an example description of what might go
wrong.
This also prepares to make cpu_up/down() a private interface of the CPU
subsystem.
Signed-off-by: Qais Yousef <qais.yousef@arm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: David S. Miller <davem@davemloft.net>
Link: https://lkml.kernel.org/r/20200323135110.30522-12-qais.yousef@arm.com
The core device API performs extra housekeeping bits that are missing
from directly calling cpu_up/down.
See commit a6717c01dd ("powerpc/rtas: use device model APIs and
serialization during LPM") for an example description of what might go
wrong.
This also prepares to make cpu_up/down() a private interface of the CPU
subsystem.
Signed-off-by: Qais Yousef <qais.yousef@arm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lkml.kernel.org/r/20200323135110.30522-11-qais.yousef@arm.com
The core device API performs extra housekeeping bits that are missing
from directly calling cpu_up/down().
See commit a6717c01dd ("powerpc/rtas: use device model APIs and
serialization during LPM") for an example description of what might go
wrong.
This also prepares to make cpu_up/down() a private interface of the CPU
subsystem.
Signed-off-by: Qais Yousef <qais.yousef@arm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20200323135110.30522-10-qais.yousef@arm.com
Use bringup_hibernate_cpu() instead of open coding it.
[ tglx: Split out the core change ]
Signed-off-by: Qais Yousef <qais.yousef@arm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Link: https://lkml.kernel.org/r/20200323135110.30522-9-qais.yousef@arm.com
arm64 uses cpu_up() in the resume from hibernation code to ensure that the
CPU on which the system hibernated is online. Provide a core function for
this.
[ tglx: Split out from the combo arm64 patch ]
Signed-off-by: Qais Yousef <qais.yousef@arm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Link: https://lkml.kernel.org/r/20200323135110.30522-9-qais.yousef@arm.com
Use `reboot_cpu` variable instead of hardcoding 0 as the reboot cpu in
machine_shutdown().
Signed-off-by: Qais Yousef <qais.yousef@arm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Link: https://lkml.kernel.org/r/20200323135110.30522-8-qais.yousef@arm.com
disable_nonboot_cpus() is not safe to use when doing machine_down(),
because it relies on freeze_secondary_cpus() which in turn is
a suspend/resume related freeze and could abort if the logic detects any
pending activities that can prevent finishing the offlining process.
Beside disable_nonboot_cpus() is dependent on CONFIG_PM_SLEEP_SMP which
is an othogonal config to rely on to ensure this function works
correctly.
Signed-off-by: Qais Yousef <qais.yousef@arm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Link: https://lkml.kernel.org/r/20200323135110.30522-7-qais.yousef@arm.com
Use `reboot_cpu` variable instead of hardcoding 0 as the reboot cpu in
machine_shutdown().
Signed-off-by: Qais Yousef <qais.yousef@arm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Russell King <linux@armlinux.org.uk>
Link: https://lkml.kernel.org/r/20200323135110.30522-6-qais.yousef@arm.com
disable_nonboot_cpus() is not safe to use when doing machine_down(),
because it relies on freeze_secondary_cpus() which in turn is
a suspend/resume related freeze and could abort if the logic detects any
pending activities that can prevent finishing the offlining process.
Beside disable_nonboot_cpus() is dependent on CONFIG_PM_SLEEP_SMP which
is an othogonal config to rely on to ensure this function works
correctly.
Signed-off-by: Qais Yousef <qais.yousef@arm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Russell King <linux@armlinux.org.uk>
Link: https://lkml.kernel.org/r/20200323135110.30522-5-qais.yousef@arm.com
Use the new smp_shutdown_nonboot_cpus() instead of using cpu_down()
directly.
Use reboot_cpu instead of hardcoding the boot CPU to 0.
This also prepares to make cpu_up/down() a private interface of the CPU
subsystem.
Signed-off-by: Qais Yousef <qais.yousef@arm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Link: https://lkml.kernel.org/r/20200323135110.30522-4-qais.yousef@arm.com
This function will be used later in machine_shutdown() for some
architectures.
disable_nonboot_cpus() is not safe to use when doing machine_down(),
because it relies on freeze_secondary_cpus() which in turn is a
suspend/resume related freeze and could abort if the logic detects any
pending activities that can prevent finishing the offlining process.
Signed-off-by: Qais Yousef <qais.yousef@arm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20200323135110.30522-3-qais.yousef@arm.com
The new functions use device_{online,offline}() which are userspace safe.
This is in preparation to move cpu_{up, down} kernel users to use a safer
interface that is not racy with userspace.
Suggested-by: "Paul E. McKenney" <paulmck@kernel.org>
Signed-off-by: Qais Yousef <qais.yousef@arm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Paul E. McKenney <paulmck@kernel.org>
Link: https://lkml.kernel.org/r/20200323135110.30522-2-qais.yousef@arm.com
The check for any active GPEs added by commit fdde0ff859 ("ACPI:
PM: s2idle: Prevent spurious SCIs from waking up the system") turns
out to be insufficiently precise to prevent some systems from
resuming prematurely due to a spurious EC wakeup, so refine it
by first checking if any GPEs other than the EC GPE are active
and skipping all of the SCIs coming from the EC that do not produce
any genuine wakeup events after processing.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=206629
Fixes: fdde0ff859 ("ACPI: PM: s2idle: Prevent spurious SCIs from waking up the system")
Reported-by: Ondřej Caletka <ondrej@caletka.cz>
Tested-by: Ondřej Caletka <ondrej@caletka.cz>
Cc: 5.4+ <stable@vger.kernel.org> # 5.4+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The check carried out by acpi_any_gpe_status_set() is not precise enough
for the suspend-to-idle implementation in Linux and in some cases it is
necessary make it skip one GPE (specifically, the EC GPE) from the check
to prevent a race condition leading to a premature system resume from
occurring.
For this reason, redefine acpi_any_gpe_status_set() to take the number
of a GPE to skip as an argument.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=206629
Tested-by: Ondřej Caletka <ondrej@caletka.cz>
Cc: 5.4+ <stable@vger.kernel.org> # 5.4+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
When perf record -e SF_CYCLES_BASIC_DIAG runs with very high
frequency, the samples arrive faster than the perf process can
save them to file. Eventually, for longer running processes, this
leads to the siutation where the trace buffers allocated by perf
slowly fills up. At one point the auxiliary trace buffer is full
and the CPU Measurement sampling facility is turned off. Furthermore
a warning is printed to the kernel log buffer:
cpum_sf: The AUX buffer with 0 pages for the diagnostic-sampling
mode is full
The number of allocated pages for the auxiliary trace buffer is shown
as zero pages. That is wrong.
Fix this by saving the number of allocated pages before entering the
work loop in the interrupt handler. When the interrupt handler processes
the samples, it may detect the buffer full condition and stop sampling,
reducing the buffer size to zero.
Print the correct value in the error message:
cpum_sf: The AUX buffer with 256 pages for the diagnostic-sampling
mode is full
Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Show the full diag statistic table and not just parts of it.
The issue surfaced in a KVM guest with a number of vcpus
defined smaller than NR_DIAG_STAT.
Fixes: 1ec2772e0c ("s390/diag: add a statistic for diagnose calls")
Cc: stable@vger.kernel.org
Signed-off-by: Michael Mueller <mimu@linux.ibm.com>
Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
The SPDX-License-Identifier shall not be suffixed with anything further.
This makes ./scripts/spdxcheck.py complain:
sound/soc/codecs/mt6660.c: 1:36 Invalid token: //
Clean up SPDX-License-Identifier line to make spdxcheck.py happy.
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
- improve comments in the uapi header
- fix documentation issues
- add a warning to gpio-pl061 when the IRQ line is not configured
- allow building gpio-mxc and gpio-mxs with COMPILE_TEST enabled
- don't print an error message when an optional IRQ is missing in gpio-mvebu
- fix a potential segfault in gpio-hammer
- fix a couple typos and coding style issues in gpio tools
- provide a new flag in gpio-mmio and use it in mt7621 to fix an issue with
the controller ignoring value setting when a GPIO is in input mode
- slightly refactor gpio_name_to_desc()
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Merge tag 'gpio-updates-for-v5.7-part4' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux into devel
gpio updates for v5.7 part 4
- improve comments in the uapi header
- fix documentation issues
- add a warning to gpio-pl061 when the IRQ line is not configured
- allow building gpio-mxc and gpio-mxs with COMPILE_TEST enabled
- don't print an error message when an optional IRQ is missing in gpio-mvebu
- fix a potential segfault in gpio-hammer
- fix a couple typos and coding style issues in gpio tools
- provide a new flag in gpio-mmio and use it in mt7621 to fix an issue with
the controller ignoring value setting when a GPIO is in input mode
- slightly refactor gpio_name_to_desc()
* for-next/asm-cleanups:
: Various asm clean-ups (alignment, mov_q vs ldr, .idmap)
arm64: move kimage_vaddr to .rodata
arm64: use mov_q instead of literal ldr
* for-next/asm-annotations:
: Modernise arm64 assembly annotations
arm64: head: Convert install_el2_stub to SYM_INNER_LABEL
arm64: Mark call_smc_arch_workaround_1 as __maybe_unused
arm64: entry-ftrace.S: Fix missing argument for CONFIG_FUNCTION_GRAPH_TRACER=y
arm64: vdso32: Convert to modern assembler annotations
arm64: vdso: Convert to modern assembler annotations
arm64: sdei: Annotate SDEI entry points using new style annotations
arm64: kvm: Modernize __smccc_workaround_1_smc_start annotations
arm64: kvm: Modernize annotation for __bp_harden_hyp_vecs
arm64: kvm: Annotate assembly using modern annoations
arm64: kernel: Convert to modern annotations for assembly data
arm64: head: Annotate stext and preserve_boot_args as code
arm64: head.S: Convert to modern annotations for assembly functions
arm64: ftrace: Modernise annotation of return_to_handler
arm64: ftrace: Correct annotation of ftrace_caller assembly
arm64: entry-ftrace.S: Convert to modern annotations for assembly functions
arm64: entry: Additional annotation conversions for entry.S
arm64: entry: Annotate ret_from_fork as code
arm64: entry: Annotate vector table and handlers as code
arm64: crypto: Modernize names for AES function macros
arm64: crypto: Modernize some extra assembly annotations
* for-next/memory-hotremove:
: Memory hot-remove support for arm64
arm64/mm: Enable memory hot remove
arm64/mm: Hold memory hotplug lock while walking for kernel page table dump
* for-next/arm_sdei:
: SDEI: fix double locking on return from hibernate and clean-up
firmware: arm_sdei: clean up sdei_event_create()
firmware: arm_sdei: Use cpus_read_lock() to avoid races with cpuhp
firmware: arm_sdei: fix possible double-lock on hibernate error path
firmware: arm_sdei: fix double-lock on hibernate with shared events
* for-next/amu:
: ARMv8.4 Activity Monitors support
clocksource/drivers/arm_arch_timer: validate arch_timer_rate
arm64: use activity monitors for frequency invariance
cpufreq: add function to get the hardware max frequency
Documentation: arm64: document support for the AMU extension
arm64/kvm: disable access to AMU registers from kvm guests
arm64: trap to EL1 accesses to AMU counters from EL0
arm64: add support for the AMU extension v1
* for-next/final-cap-helper:
: Introduce cpus_have_final_cap_helper(), migrate arm64 KVM to it
arm64: kvm: hyp: use cpus_have_final_cap()
arm64: cpufeature: add cpus_have_final_cap()
* for-next/cpu_ops-cleanup:
: cpu_ops[] access code clean-up
arm64: Introduce get_cpu_ops() helper function
arm64: Rename cpu_read_ops() to init_cpu_ops()
arm64: Declare ACPI parking protocol CPU operation if needed
* for-next/misc:
: Various fixes and clean-ups
arm64: define __alloc_zeroed_user_highpage
arm64/kernel: Simplify __cpu_up() by bailing out early
arm64: remove redundant blank for '=' operator
arm64: kexec_file: Fixed code style.
arm64: add blank after 'if'
arm64: fix spelling mistake "ca not" -> "cannot"
arm64: entry: unmask IRQ in el0_sp()
arm64: efi: add efi-entry.o to targets instead of extra-$(CONFIG_EFI)
arm64: csum: Optimise IPv6 header checksum
arch/arm64: fix typo in a comment
arm64: remove gratuitious/stray .ltorg stanzas
arm64: Update comment for ASID() macro
arm64: mm: convert cpu_do_switch_mm() to C
arm64: fix NUMA Kconfig typos
* for-next/perf:
: arm64 perf updates
arm64: perf: Add support for ARMv8.5-PMU 64-bit counters
KVM: arm64: limit PMU version to PMUv3 for ARMv8.1
arm64: cpufeature: Extract capped perfmon fields
arm64: perf: Clean up enable/disable calls
perf: arm-ccn: Use scnprintf() for robustness
arm64: perf: Support new DT compatibles
arm64: perf: Refactor PMU init callbacks
perf: arm_spe: Remove unnecessary zero check on 'nr_pages'
