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On platforms where IPI is not available in the MPIC, the IPI registers
instead represent an additional set of MSI interrupt registers (currently
unused by the driver).
Do not touch these registers on platforms where IPI is not available in the
MPIC.
[ Marek: refactored, changed commit message ]
Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Marek Behún <kabel@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
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IPI is available only on systems where the mpic controller does not have a
parent interrupt defined (e.g. on Armada XP). If a parent interrupt is
defined, inter-processor interrupts are handled by an interrupt controller
higher in the hierarchy (most probably a parent GIC).
Only call ipi_resume() on systems where IPI is available in the mpic
controller.
Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Marek Behún <kabel@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
[ refactored a little and changed commit message ]
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IRQs 0 (IPI) and 1 (MSI) are handled internally by this driver,
generic_handle_domain_irq() is never called for these IRQs.
Disallow mapping these IRQs.
[ Marek: changed commit message ]
Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Marek Behún <kabel@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
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Use the dedicated atomic_io_modify() instead of a open coded spin_lock() +
readl() + writel() + spin_unlock() sequence.
This allows to drop the irq_controller_lock spinlock from the driver.
Signed-off-by: Marek Behún <kabel@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
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On x86, make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/irqchip/irq-ts4800.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/irqchip/irq-meson-gpio.o
Add the missing invocation of the MODULE_DESCRIPTION() macro to all
files which have a MODULE_LICENSE(). This includes a 3rd file,
irq-mvebu-pic.c, which did not produce a warning with the x86
allmodconfig, but which may cause this warning with other kernel
configurations.
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20240608-md-drivers-irqchip-v1-1-dd02c3229277@quicinc.com
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The order of function calls in the disable operation should be the reverse
of that in the enable operation. Thus, reorder the function calls to first
disable the parent IRQ chip before disabling the TINT IRQ.
Reported-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com> # on RZ/G3S
Link: https://lore.kernel.org/r/20240606194813.676823-1-prabhakar.mahadev-lad.rj@bp.renesas.com
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The two functions riscv_intc_aia_irq() and riscv_intc_irq()
are only called by C functions.
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Anup Patel <anup@brainfault.org>
Link: https://lore.kernel.org/r/20240614151955.1949-1-jszhang@kernel.org
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ld: kernel/irq/irqdomain.o: in function `irq_domain_instantiate':
kernel/irq/irqdomain.c:296:(.text+0x10dd): undefined reference to `irq_domain_alloc_generic_chips'
ld: kernel/irq/irqdomain.c:313:(.text+0x1218): undefined reference to `irq_domain_remove_generic_chips'
ld: kernel/irq/irqdomain.o: in function `irq_domain_remove':
kernel/irq/irqdomain.c:349:(.text+0x1ddf): undefined reference to `irq_domain_remove_generic_chips'
Provide the required stubs.
Fixes: e6f67ce32e8e ("irqdomain: Add support for generic irq chips creation before publishing a domain")
Reported-by: Borislav Betkov <bp@alien8.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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After contributing the driver, add myself as the maintainer for the
Microchip LAN966x OIC driver.
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20240614173232.1184015-24-herve.codina@bootlin.com
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The Microchip LAN966x outband interrupt controller (OIC) maps the
internal interrupt sources of the LAN966x device to an external
interrupt.
When the LAN966x device is used as a PCI device, the external interrupt
is routed to the PCI interrupt.
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20240614173232.1184015-23-herve.codina@bootlin.com
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The Microchip LAN966x outband interrupt controller (OIC) maps the
internal interrupt sources of the LAN966x device to an external
interrupt.
When the LAN966x device is used as a PCI device, the external interrupt
is routed to the PCI interrupt.
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20240614173232.1184015-22-herve.codina@bootlin.com
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__irq_domain_add() has been replaced by irq_domain_instanciate() and so,
it is no more used.
Simply remove it.
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20240614173232.1184015-21-herve.codina@bootlin.com
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um_pci_init() uses __irq_domain_add(). With the introduction of
irq_domain_instantiate(), __irq_domain_add() becomes obsolete.
In order to fully remove __irq_domain_add(), use directly
irq_domain_instantiate().
[ tglx: Fixup struct initializer ]
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20240614173232.1184015-20-herve.codina@bootlin.com
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Domain creation functions use __irq_domain_add(). With the introduction
of irq_domain_instantiate(), __irq_domain_add() becomes obsolete.
In order to fully remove __irq_domain_add(), convert domain
creation function to irq_domain_instantiate()
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20240614173232.1184015-19-herve.codina@bootlin.com
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__irq_domain_add() wrappers use directly __irq_domain_add(). With the
introduction of irq_domain_instantiate(), __irq_domain_add() becomes
obsolete.
In order to fully remove __irq_domain_add(), convert wrappers to
irq_domain_instantiate()
[ tglx: Fixup struct initializers ]
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20240614173232.1184015-18-herve.codina@bootlin.com
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Add a devres version of irq_domain_instantiate().
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20240614173232.1184015-17-herve.codina@bootlin.com
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The current API functions create an irq_domain and also publish this
newly created to domain. Once an irq_domain is published, consumers can
request IRQ in order to use them.
Some interrupt controller drivers have to perform some more operations
with the created irq_domain in order to have it ready to be used.
For instance:
- Allocate generic irq chips with irq_alloc_domain_generic_chips()
- Retrieve the generic irq chips with irq_get_domain_generic_chip()
- Initialize retrieved chips: set register base address and offsets,
set several hooks such as irq_mask, irq_unmask, ...
With the newly introduced irq_domain_alloc_generic_chips(), an interrupt
controller driver can use the irq_domain_chip_generic_info structure and
set the init() hook to perform its generic chips initialization.
In order to avoid a window where the domain is published but not yet
ready to be used, handle the generic chip creation (i.e the
irq_domain_alloc_generic_chips() call) before the domain is published.
Suggested-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20240614173232.1184015-16-herve.codina@bootlin.com
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Most of generic chip drivers need to perform some more additional
initializations on the generic chips allocated before they can be fully
ready.
These additional initializations need to be performed before the IRQ
domain is published to avoid a race condition between IRQ consumers and
suppliers.
Introduce the init() hook to perform these initializations at the right
place just after the generic chip creation. Also introduce the exit() hook
to allow reverting operations done by the init() hook just before the
generic chip is destroyed.
Suggested-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20240614173232.1184015-15-herve.codina@bootlin.com
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The existing __irq_alloc_domain_generic_chips() uses a bunch of parameters
to describe the generic chips that need to be allocated.
Adding more parameters and wrappers to hide new parameters in the existing
code leads to more and more code without any relevant values and without
any flexibility.
Introduce irq_domain_alloc_generic_chips() where the generic chips
description is done using the irq_domain_chip_generic_info structure
instead of the bunch of parameters to allow flexibility and easy evolution.
Also introduce irq_domain_remove_generic_chips() to revert the operations
done by irq_domain_alloc_generic_chips().
Suggested-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20240614173232.1184015-14-herve.codina@bootlin.com
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The current API does not allow additional initialization before the
domain is published. This can lead to a race condition between consumers
and supplier as a domain can be available for consumers before being
fully ready.
Introduce the init() hook to allow additional initialization before
plublishing the domain. Also introduce the exit() hook to revert
operations done in init() on domain removal.
Suggested-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20240614173232.1184015-13-herve.codina@bootlin.com
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irq_domain_update_bus_token() is the only way to set the domain bus
token. This is sub-optimal as irq_domain_update_bus_token() can be called
only once the domain is created and needs to revert some operations, change
the domain name and redo the operations.
In order to avoid this revert/change/redo sequence, take the domain bus
into account token during the domain creation.
Suggested-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20240614173232.1184015-12-herve.codina@bootlin.com
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__irq_domain_create() can fail for several reasons. When it fails it
returns a NULL pointer and so filters out the exact failure reason.
The only user of __irq_domain_create() is irq_domain_instantiate() which
can return a PTR_ERR value. On __irq_domain_create() failure, it uses an
arbitrary error code.
Rather than using this arbitrary error value, make __irq_domain_create()
return is own error code and use that one.
[ tglx: Remove the pointless ERR_CAST. domain is a valid return pointer ]
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20240614173232.1184015-11-herve.codina@bootlin.com
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irq_domain_instantiate() handles all needs to be used in
irq_domain_create_hierarchy()
Avoid code duplication and use directly irq_domain_instantiate() for
hierarchy domain creation.
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20240614173232.1184015-10-herve.codina@bootlin.com
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To use irq_domain_instantiate() from irq_domain_create_hierarchy(),
irq_domain_instantiate() needs to handle the domain hierarchy parent.
Add the required functionality.
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20240614173232.1184015-9-herve.codina@bootlin.com
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In order to use irq_domain_instantiate() from several places such as
irq_domain_create_hierarchy(), irq_domain_instantiate() needs to handle
additional domain flags.
Add the required infrastructure.
Suggested-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20240614173232.1184015-8-herve.codina@bootlin.com
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The existing __irq_domain_create() use a bunch of parameters to create
an irq domain.
With the introduction of irq_domain_info structure, these parameters are
available in the information structure itself.
Using directly this information structure allows future flexibility to
add other parameters in a simple way without the need to change the
__irq_domain_create() prototype.
Convert __irq_domain_create() to use the information structure.
[ tglx: Fixup struct initializer ]
Suggested-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20240614173232.1184015-7-herve.codina@bootlin.com
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The interrupt domain name computation and setting is directly done in
__irq_domain_create(). This leads to a quite long __irq_domain_create()
function.
In order to simplify __irq_domain_create() and isolate the domain name
computation and setting, move the related operations to a dedicated
function.
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20240614173232.1184015-6-herve.codina@bootlin.com
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The fwnode parameter has no reason to be a pointer to an un-const struct
fwnode_handle. Indeed, struct fwnode_handle is not supposed to be modified
by the function.
Be consistent with other function performing the same kind of operation
such as is_of_node(), is_acpi_device_node() or is_software_node(): constify
the fwnode parameter.
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20240614173232.1184015-5-herve.codina@bootlin.com
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The existing irq_domain_add_*() functions used to instantiate an IRQ
domain are wrappers built on top of __irq_domain_add() and describe the
domain properties using a bunch of parameters.
Adding more parameters and wrappers to hide new parameters in the
existing code lead to more and more code without any relevant value and
without any flexibility.
Introduce irq_domain_instantiate() where the interrupt domain properties
are given using a irq_domain_info structure instead of the bunch of
parameters to allow flexibility and easy evolution.
irq_domain_instantiate() performs the same operation as the one done by
__irq_domain_add(). For compatibility reason with existing code, keep
__irq_domain_add() but convert it to irq_domain_instantiate().
[ tglx: Fixed up struct initializer coding style ]
Suggested-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20240614173232.1184015-3-herve.codina@bootlin.com
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In preparation of the introduction of the irq domain instantiation,
introduce irq_domain_free() to avoid code duplication on later
modifications.
This new function is an extraction of the current operations performed
to free the irq domain. No functional change intended.
Suggested-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20240614173232.1184015-2-herve.codina@bootlin.com
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fwnode_handle_get(fwnode) is called when a domain is created with fwnode
passed as a function parameter. fwnode_handle_put(domain->fwnode) is called
when the domain is destroyed but during the creation a path exists that
does not set domain->fwnode.
If this path is taken, the fwnode get will never be put.
To avoid the unbalanced get and put, set domain->fwnode unconditionally.
Fixes: d59f6617eef0 ("genirq: Allow fwnode to carry name information only")
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20240614173232.1184015-4-herve.codina@bootlin.com
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The GIC architecture specification defines a set of registers for
redistributors and ITSes that control the sharebility and cacheability
attributes of redistributors/ITSes initiator ports on the interconnect
(GICR_[V]PROPBASER, GICR_[V]PENDBASER, GITS_BASER<n>).
Architecturally the GIC provides a means to drive shareability and
cacheability attributes signals but it is not mandatory for designs to
wire up the corresponding interconnect signals that control the
cacheability/shareability of transactions.
Redistributors and ITSes interconnect ports can be connected to
non-coherent interconnects that are not able to manage the
shareability/cacheability attributes; this implicitly makes the
redistributors and ITSes non-coherent observers.
To enable non-coherent GIC designs on ACPI based systems, parse the MADT
GICC/GICR/ITS subtables non-coherent flags to determine whether the
respective components are non-coherent observers and force the
shareability attributes to be programmed into the redistributors and
ITSes registers.
An ACPI global function (acpi_get_madt_revision()) is added to retrieve
the MADT revision, in that it is essential to check the MADT revision
before checking for flags that were added with MADT revision 7 so that
if the kernel is booted with an ACPI MADT table with revision < 7 it
skips parsing the newly added flags (that should be zeroed reserved
values for MADT versions < 7 but they could turn out to be buggy and
should be ignored).
Signed-off-by: Lorenzo Pieralisi <lpieralisi@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Acked-by: Marc Zyngier <maz@kernel.org>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Link: https://lore.kernel.org/r/20240606094238.757649-2-lpieralisi@kernel.org
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The IX45 block has additional mask registers (NMSK/IMSK/TMSK) compared
to the RZ/G2L (family) SoC.
A new rzfive_irqc_chip irq_chip is introduced for RZ/Five, where function
pointers for irq_[un]mask() and irq_[dis|en]able() handle the ([un]masking
of the interrupts. The irq_chip pointer is now passed as an init callback
and stored in the priv pointer to differentiate between RZ/G2L and RZ/Five.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20240604173710.534132-3-prabhakar.mahadev-lad.rj@bp.renesas.com
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Document RZ/Five (R9A07G043F) IRQC bindings. The IRQC block on the RZ/Five
SoC is almost identical to the one found on the RZ/G2L SoC, with the only
difference being that it has additional mask control registers for
NMI/IRQ/TINT.
Hence new compatible string "renesas,r9a07g043f-irqc" is added for RZ/Five
SoC.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240604173710.534132-2-prabhakar.mahadev-lad.rj@bp.renesas.com
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During compilation, several warning of the following form were raised:
Function parameter or struct member 'x' not described in 'yyy'
Add the missing function parameter descriptions.
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20240527161450.326615-10-herve.codina@bootlin.com
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Improve the readability of irqdomain debugging information in debugfs by
printing the flags field of domain files as human-readable strings instead
of a raw bitmask, which aligned with the existing style used for irqchip
flags in the irq debug files.
Before:
#cat :cpus:cpu@0:interrupt-controller
name: :cpus:cpu@0:interrupt-controller
size: 0
mapped: 2
flags: 0x00000003
After:
#cat :cpus:cpu@0:interrupt-controller
name: :cpus:cpu@0:interrupt-controller
size: 0
mapped: 3
flags: 0x00000003
IRQ_DOMAIN_FLAG_HIERARCHY
IRQ_DOMAIN_NAME_ALLOCATED
Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20240529091628.3666379-1-ruanjinjie@huawei.com
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Interrupts which have no action and chained interrupts can be
ignored due to the following reasons (as per tglx's comment):
1) Interrupts which have no action are completely uninteresting as
there is no real information attached.
2) Chained interrupts do not have a count at all.
So there is no point to evaluate the number of accounted interrupts before
checking for non-requested or chained interrupts.
Remove the any_count logic and simply check whether the interrupt
descriptor has the kstat_irqs member populated.
[ tglx: Adapted to upstream changes ]
Suggested-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Adrian Huang <ahuang12@lenovo.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Jiwei Sun <sunjw10@lenovo.com>
Link: https://lore.kernel.org/r/20240515100632.1419-1-ahuang12@lenovo.com
Link: https://lore.kernel.org/lkml/87h6f0knau.ffs@tglx/
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git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux
Pull ata fixes from Niklas Cassel:
- Add a quirk for three different devices that have shown issues with
LPM (link power management). These devices appear to not implement
LPM properly, since we see command timeouts when enabling LPM. The
quirk disables LPM for these problematic devices. (Me)
- Do not apply the Intel PCS quirk on Alder Lake. The quirk is not
needed and was originally added by mistake when LPM support was
enabled for this AHCI controller. Enabling the quirk when not needed
causes the the controller to not be able to detect the connected
devices on some platforms.
* tag 'ata-6.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux:
ata: libata-core: Add ATA_HORKAGE_NOLPM for Apacer AS340
ata: libata-core: Add ATA_HORKAGE_NOLPM for AMD Radeon S3 SSD
ata: libata-core: Add ATA_HORKAGE_NOLPM for Crucial CT240BX500SSD1
ata: ahci: Do not apply Intel PCS quirk on Intel Alder Lake
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
"Miscellaneous topology parsing fixes:
- Fix topology parsing regression on older CPUs in the new AMD/Hygon
parser
- Fix boot crash on odd Intel Quark and similar CPUs that do not fill
out cpuinfo_x86::x86_clflush_size and zero out
cpuinfo_x86::x86_cache_alignment as a result.
Provide 32 bytes as a general fallback value.
- Fix topology enumeration on certain rare CPUs where the BIOS locks
certain CPUID leaves and the kernel unlocked them late, which broke
with the new topology parsing code. Factor out this unlocking logic
and move it earlier in the parsing sequence"
* tag 'x86-urgent-2024-06-02' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/topology/intel: Unlock CPUID before evaluating anything
x86/cpu: Provide default cache line size if not enumerated
x86/topology/amd: Evaluate SMT in CPUID leaf 0x8000001e only on family 0x17 and greater
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fix from Ingo Molnar:
"Export a symbol to make life easier for instrumentation/debugging"
* tag 'sched-urgent-2024-06-02' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/x86: Export 'percpu arch_freq_scale'
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf events fix from Ingo Molnar:
"Add missing MODULE_DESCRIPTION() lines"
* tag 'perf-urgent-2024-06-02' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86/intel: Add missing MODULE_DESCRIPTION() lines
perf/x86/rapl: Add missing MODULE_DESCRIPTION() line
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git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull hardening fixes from Kees Cook:
- scsi: mpt3sas: Avoid possible run-time warning with long manufacturer
strings
- mailmap: update entry for Kees Cook
- kunit/fortify: Remove __kmalloc_node() test
* tag 'hardening-v6.10-rc2-take2' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
kunit/fortify: Remove __kmalloc_node() test
mailmap: update entry for Kees Cook
scsi: mpt3sas: Avoid possible run-time warning with long manufacturer strings
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- Enforce full ordering for ATOMIC operations with BPF_FETCH
- Fix uaccess build errors seen with GCC 13/14
- Fix build errors on ppc32 due to ARCH_HAS_KERNEL_FPU_SUPPORT
- Drop error message from lparcfg guest name lookup
Thanks to Christophe Leroy, Guenter Roeck, Nathan Lynch, Naveen N Rao,
Puranjay Mohan, and Samuel Holland.
* tag 'powerpc-6.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc: Limit ARCH_HAS_KERNEL_FPU_SUPPORT to PPC64
powerpc/uaccess: Use YZ asm constraint for ld
powerpc/uaccess: Fix build errors seen with GCC 13/14
powerpc/pseries/lparcfg: drop error message from guest name lookup
powerpc/bpf: enforce full ordering for ATOMIC operations with BPF_FETCH
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git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394
Pull firewire fix from Takashi Sakamoto:
"After merging a commit 1fffe7a34c89 ("script: modpost: emit a warning
when the description is missing"), MODULE_DESCRIPTOR seems to be
mandatory for kernel modules. In FireWire subsystem, the most of
practical kernel modules have the field, while KUnit test modules do
not. A single patch is applied to fix them"
* tag 'firewire-fixes-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394:
firewire: add missing MODULE_DESCRIPTION() to test modules
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Pull smb client fixes from Steve French:
"Two small smb3 fixes:
- Fix socket creation with sfu mount option (spotted by test generic/423)
- Minor cleanup: fix missing description in two files"
* tag '6.10-rc1-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: fix creating sockets when using sfu mount options
fs: smb: common: add missing MODULE_DESCRIPTION() macros
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git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild fixes from Masahiro Yamada:
- Fix a Kconfig bug regarding comparisons to 'm' or 'n'
- Replace missed $(srctree)/$(src)
- Fix unneeded kallsyms step 3
- Remove incorrect "compatible" properties from image nodes in
image.fit
- Improve gen_kheaders.sh
- Fix 'make dt_binding_check'
- Clean up unnecessary code
* tag 'kbuild-fixes-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
dt-bindings: kbuild: Fix dt_binding_check on unconfigured build
kheaders: use `command -v` to test for existence of `cpio`
kheaders: explicitly define file modes for archived headers
scripts/make_fit: Drop fdt image entry compatible string
kbuild: remove a stale comment about cleaning in link-vmlinux.sh
kbuild: fix short log for AS in link-vmlinux.sh
kbuild: change scripts/mksysmap into sed script
kbuild: avoid unneeded kallsyms step 3
kbuild: scripts/gdb: Replace missed $(srctree)/$(src) w/ $(src)
kconfig: remove redundant check in expr_join_or()
kconfig: fix comparison to constant symbols, 'm', 'n'
kconfig: remove unused expr_is_no()
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Pull xfs fixes from Chandan Babu:
- Fix a livelock by dropping an xfarray sortinfo folio when an error
is encountered
- During extended attribute operations, Initialize transaction
reservation computation based on attribute operation code
- Relax symbolic link's ondisk verification code to allow symbolic
links with short remote targets
- Prevent soft lockups when unmapping file ranges and also during
remapping blocks during a reflink operation
- Fix compilation warnings when XFS is built with W=1 option
* tag 'xfs-6.10-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: Add cond_resched to block unmap range and reflink remap path
xfs: don't open-code u64_to_user_ptr
xfs: allow symlinks with short remote targets
xfs: fix xfs_init_attr_trans not handling explicit operation codes
xfs: drop xfarray sortinfo folio on error
xfs: Stop using __maybe_unused in xfs_alloc.c
xfs: Clear W=1 warning in xfs_iwalk_run_callbacks()
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty fix from Greg KH:
"Here is a single revert for a much-reported regression in 6.10-rc1
when it comes to a few older architectures.
Turns out that the VT ioctls don't work the same across all cpu types
because of some old compatibility requrements for stuff like alpha and
powerpc. So revert the change that attempted to have them use the
_IO() macros and go back to the known-working values instead.
This has NOT been in linux-next but has had many reports that it fixes
the issue with 6.10-rc1"
* tag 'tty-6.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
Revert "VT: Use macros to define ioctls"
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git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux
Pull landlock fix from Mickaël Salaün:
"This fixes a wrong path walk triggered by syzkaller"
* tag 'landlock-6.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux:
selftests/landlock: Add layout1.refer_mount_root
landlock: Fix d_parent walk
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