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Without SMP enabled (such as in allnoconfig), there is a Kconfig warning
because CONFIG_IRQ_EFFECTIVE_AFF_MASK is unconditionally selected by
CONFIG_MIPS_GIC:
WARNING: unmet direct dependencies detected for GENERIC_IRQ_EFFECTIVE_AFF_MASK
Depends on [n]: SMP [=n]
Selected by [y]:
- MIPS_GIC [=y]
Add a dependency on SMP to the selection, which matches all other
selections of CONFIG_IRQ_EFFECTIVE_AFF_MASK.
Fixes: 322a90638768 ("irqchip/mips-gic: Multi-cluster support")
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20241101-mips-fix-generic_irq_effective_aff_mask-select-v1-1-d94db6e0de0d@kernel.org
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It is possible to have zero CPU cores in a cluster; in such cases, it is
not possible to access the GIC, and any indirect access leads to an
exception.
Prevent access to such clusters by checking the number of cores in the
cluster at all places which issue indirect cluster access.
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Aleksandar Rikalo <arikalo@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20241028175935.51250-14-arikalo@gmail.com
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The MIPS I6500 CPU & CM (Coherence Manager) 3.5 introduce the concept of
multiple clusters to the system. In these systems, each cluster contains
its own GIC, so the GIC isn't truly global any longer. Access to
registers in the GICs of remote clusters is possible using a redirect
register block much like the redirect register blocks provided by the
CM & CPC, and configured through the same GCR_REDIRECT register that
mips_cm_lock_other() abstraction builds upon.
It is expected that external interrupts are connected identically on all
clusters. That is, if there is a device providing an interrupt connected
to GIC interrupt pin 0 then it should be connected to pin 0 of every GIC
in the system. For the most part, the GIC can be treated as though it is
still truly global, so long as interrupts in the cluster are configured
properly.
Introduce support for such multi-cluster systems in the MIPS GIC irqchip
driver. A newly introduced gic_irq_lock_cluster() function allows:
1) Configure access to a GIC in a remote cluster via the redirect
register block, using mips_cm_lock_other().
Or:
2) Detect that the interrupt in question is affine to the local
cluster and plain old GIC register access to the GIC in the
local cluster should be used.
It is possible to access the local cluster's GIC registers via the
redirect block, but keeping the special case for them is both good for
performance (because we avoid the locking & indirection overhead of
using the redirect block) and necessary to maintain compatibility with
systems using CM revisions prior to 3.5 which don't support the redirect
block.
The gic_irq_lock_cluster() function relies upon an IRQs effective
affinity in order to discover which cluster the IRQ is affine to. In
order to track this & allow it to be updated at an appropriate point
during gic_set_affinity() select the generic support for effective
affinity using CONFIG_GENERIC_IRQ_EFFECTIVE_AFF_MASK.
gic_set_affinity() is the one function which gains much complexity. It
now deconfigures routing to any VP(E), ie. CPU, on the old cluster when
moving affinity to a new cluster.
gic_shared_irq_domain_map() moves its update of the IRQs effective
affinity to before its use of gic_irq_lock_cluster(), to ensure that
operation is on the cluster the IRQ is affine to.
The remaining changes are straightforward use of the gic_irq_lock_cluster()
function to select between local cluster & remote cluster code-paths when
configuring interrupts.
Signed-off-by: Paul Burton <paulburton@kernel.org>
Signed-off-by: Chao-ying Fu <cfu@wavecomp.com>
Signed-off-by: Dragan Mladjenovic <dragan.mladjenovic@syrmia.com>
Signed-off-by: Aleksandar Rikalo <arikalo@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Serge Semin <fancer.lancer@gmail.com>
Tested-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Link: https://lore.kernel.org/all/20241028175935.51250-5-arikalo@gmail.com
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In multi-cluster MIPS I6500 systems, there is a GIC per cluster.
The default shared interrupt setup configured in gic_of_init() applies only
to the GIC in the cluster containing the boot CPU, leaving the GICs of
other clusters unconfigured.
Configure the other clusters as well.
Signed-off-by: Chao-ying Fu <cfu@wavecomp.com>
Signed-off-by: Dragan Mladjenovic <dragan.mladjenovic@syrmia.com>
Signed-off-by: Aleksandar Rikalo <arikalo@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Serge Semin <fancer.lancer@gmail.com>
Tested-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Link: https://lore.kernel.org/all/20241028175935.51250-4-arikalo@gmail.com
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Use CM's GCR_CL_REDIRECT register to access registers in remote clusters,
so that users of gic_with_each_online_cpu() gains support for multi-cluster
without further changes.
Signed-off-by: Paul Burton <paulburton@kernel.org>
Signed-off-by: Chao-ying Fu <cfu@wavecomp.com>
Signed-off-by: Dragan Mladjenovic <dragan.mladjenovic@syrmia.com>
Signed-off-by: Aleksandar Rikalo <arikalo@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Serge Semin <fancer.lancer@gmail.com>
Tested-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Link: https://lore.kernel.org/all/20241028175935.51250-3-arikalo@gmail.com
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Several places in the MIPS GIC driver iterate over the online CPUs to
operate on the CPU's GIC local register block, accessed via the GIC's
other/redirect register block.
Abstract the process of iterating over online CPUs & configuring the
other/redirect region to access their registers through a new
for_each_online_cpu_gic() macro and convert all usage sites over.
Signed-off-by: Paul Burton <paulburton@kernel.org>
Signed-off-by: Chao-ying Fu <cfu@wavecomp.com>
Signed-off-by: Dragan Mladjenovic <dragan.mladjenovic@syrmia.com>
Signed-off-by: Aleksandar Rikalo <arikalo@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Serge Semin <fancer.lancer@gmail.com>
Tested-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Link: https://lore.kernel.org/all/20241028175935.51250-2-arikalo@gmail.com
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itt_alloc_pool() calls its_alloc_pages_node() to allocate an individual
page to add to the pool (for allocations <PAGE_SIZE). However the final
argument of its_alloc_pages_node() is the page order not the number of
pages. Currently it allocates two pages and leaks the second page.
Fix it by passing 0 instead (1 << 0 = 1 page).
Fixes: b08e2f42e86b ("irqchip/gic-v3-its: Share ITS tables with a non-trusted hypervisor")
Reported-by: Shanker Donthineni <sdonthineni@nvidia.com>
Signed-off-by: Steven Price <steven.price@arm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/1f6e19c4-1fb9-43ab-a8a2-a465c9cff84b@arm.com
Closes: https://lore.kernel.org/r/ed65312a-245c-4fa5-91ad-5d620cab7c6b%40nvidia.com
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Support Aspeed Interrupt Controller on Aspeed Silicon SoCs.
ASPEED interrupt controller(INTC) maps the internal interrupt
sources to a parent interrupt controller, which can be GIC or INTC.
Signed-off-by: Kevin Chen <kevin_chen@aspeedtech.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20241016022410.1154574-3-kevin_chen@aspeedtech.com
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Use the irq_get_nr_irqs() function instead of the global variable
'nr_irqs'. Prepare for changing 'nr_irqs' from an exported global
variable into a variable with file scope.
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20241015190953.1266194-20-bvanassche@acm.org
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Use the irq_get_nr_irqs() function instead of the global variable
'nr_irqs'. Prepare for changing 'nr_irqs' from an exported global
variable into a variable with file scope.
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20241015190953.1266194-19-bvanassche@acm.org
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Use the irq_get_nr_irqs() function instead of the global variable
'nr_irqs'. Prepare for changing 'nr_irqs' from an exported global
variable into a variable with file scope.
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20241015190953.1266194-18-bvanassche@acm.org
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Use the irq_get_nr_irqs() function instead of the global variable
'nr_irqs'. Prepare for changing 'nr_irqs' from an exported global
variable into a variable with file scope.
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20241015190953.1266194-17-bvanassche@acm.org
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Use the irq_get_nr_irqs() function instead of the global variable
'nr_irqs'. Prepare for changing 'nr_irqs' from an exported global
variable into a variable with file scope.
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20241015190953.1266194-16-bvanassche@acm.org
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Use the irq_get_nr_irqs() function instead of the global variable
'nr_irqs'. Prepare for changing 'nr_irqs' from an exported global
variable into a variable with file scope.
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20241015190953.1266194-15-bvanassche@acm.org
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Use the irq_get_nr_irqs() function instead of the global variable
'nr_irqs'. Prepare for changing 'nr_irqs' from an exported global
variable into a variable with file scope.
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20241015190953.1266194-14-bvanassche@acm.org
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Use the irq_get_nr_irqs() function instead of the global variable
'nr_irqs'. Prepare for changing 'nr_irqs' from an exported global
variable into a variable with file scope.
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20241015190953.1266194-13-bvanassche@acm.org
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Use the irq_get_nr_irqs() function instead of the global variable
'nr_irqs'. Prepare for changing 'nr_irqs' from an exported global
variable into a variable with file scope.
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20241015190953.1266194-12-bvanassche@acm.org
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Use the irq_get_nr_irqs() function instead of the global variable
'nr_irqs'. Prepare for changing 'nr_irqs' from an exported global
variable into a variable with file scope.
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20241015190953.1266194-11-bvanassche@acm.org
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Use the irq_get_nr_irqs() function instead of the global variable
'nr_irqs'. Prepare for changing 'nr_irqs' from an exported global
variable into a variable with file scope.
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20241015190953.1266194-10-bvanassche@acm.org
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Use the irq_get_nr_irqs() function instead of the global variable
'nr_irqs'. Prepare for changing 'nr_irqs' from an exported global
variable into a variable with file scope.
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20241015190953.1266194-9-bvanassche@acm.org
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Use the irq_get_nr_irqs() function instead of the global variable
'nr_irqs'. Prepare for changing 'nr_irqs' from an exported global
variable into a variable with file scope.
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20241015190953.1266194-8-bvanassche@acm.org
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Add driver for the Renesas RZ/V2H(P) Interrupt Control Unit (ICU).
This driver supports the external interrupts NMI, IRQn, and TINTn.
Signed-off-by: Fabrizio Castro <fabrizio.castro.jz@renesas.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20241009230817.798582-3-fabrizio.castro.jz@renesas.com
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its_create_device() over-allocated by ITS_ITT_ALIGN - 1 bytes to ensure
that an aligned area was available within the allocation. The new genpool
allocator has its min_alloc_order set to get_order(ITS_ITT_ALIGN) so all
allocations from it should be appropriately aligned.
Remove the over-allocation from its_create_device() and alignment from
its_build_mapd_cmd().
Signed-off-by: Steven Price <steven.price@arm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Will Deacon <will@kernel.org>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/all/20241002141630.433502-3-steven.price@arm.com
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Within a realm guest the ITS is emulated by the host. This means the
allocations must have been made available to the host by a call to
set_memory_decrypted(). Introduce an allocation function which performs
this extra call.
For the ITT use a custom genpool-based allocator that calls
set_memory_decrypted() for each page allocated, but then suballocates the
size needed for each ITT. Note that there is no mechanism implemented to
return pages from the genpool, but it is unlikely that the peak number of
devices will be much larger than the normal level - so this isn't expected
to be an issue.
Co-developed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Steven Price <steven.price@arm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Will Deacon <will@kernel.org>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/all/20241002141630.433502-2-steven.price@arm.com
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Replace the open coded
if (foo)
__set_bit(n, bar);
else
__clear_bit(n, bar);
with __assign_bit(). No functional change intended.
Signed-off-by: Hongbo Li <lihongbo22@huawei.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Palmer Dabbelt <palmer@rivosinc.com>
Link: https://lore.kernel.org/all/20240902130824.2878644-1-lihongbo22@huawei.com
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Add support for the Advanced interrupt controller(AIC) chip in the sam9x7.
Signed-off-by: Hari Prasath <Hari.PrasathGE@microchip.com>
Signed-off-by: Varshini Rajendran <varshini.rajendran@microchip.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/all/20240903064252.49530-1-varshini.rajendran@microchip.com
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git://git.kernel.org/pub/scm/linux/kernel/git/jassibrar/mailbox
Pull mailbox updates from Jassi Brar:
- fix kconfig dependencies (mhu-v3, omap2+)
- use devie name instead of genereic imx_mu_chan as interrupt name
(imx)
- enable sa8255p and qcs8300 ipc controllers (qcom)
- Fix timeout during suspend mode (bcm2835)
- convert to use use of_property_match_string (mailbox)
- enable mt8188 (mediatek)
- use devm_clk_get_enabled helpers (spreadtrum)
- fix device-id typo (rockchip)
* tag 'mailbox-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/jassibrar/mailbox:
mailbox, remoteproc: omap2+: fix compile testing
dt-bindings: mailbox: qcom-ipcc: Document QCS8300 IPCC
dt-bindings: mailbox: qcom-ipcc: document the support for SA8255p
dt-bindings: mailbox: mtk,adsp-mbox: Add compatible for MT8188
mailbox: Use of_property_match_string() instead of open-coding
mailbox: bcm2835: Fix timeout during suspend mode
mailbox: sprd: Use devm_clk_get_enabled() helpers
mailbox: rockchip: fix a typo in module autoloading
mailbox: imx: use device name in interrupt name
mailbox: ARM_MHU_V3 should depend on ARM64
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
- fix DesignWare driver ENABLE-ABORT sequence, ensuring ABORT can
always be sent when needed
- check for PCLK in the SynQuacer controller as an optional clock,
allowing ACPI to directly provide the clock rate
- KEBA driver Kconfig dependency fix
- fix XIIC driver power suspend sequence
* tag 'i2c-for-6.12-rc1-additional_fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: xiic: Fix pm_runtime_set_suspended() with runtime pm enabled
i2c: keba: I2C_KEBA should depend on KEBA_CP500
i2c: synquacer: Deal with optional PCLK correctly
i2c: designware: fix controller is holding SCL low while ENABLE bit is disabled
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Pull more SCSI updates from James Bottomley:
"These are mostly minor updates.
There are two drivers (lpfc and mpi3mr) which missed the initial
pull and a core change to retry a start/stop unit which affect
suspend/resume"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (32 commits)
scsi: lpfc: Update lpfc version to 14.4.0.5
scsi: lpfc: Support loopback tests with VMID enabled
scsi: lpfc: Revise TRACE_EVENT log flag severities from KERN_ERR to KERN_WARNING
scsi: lpfc: Ensure DA_ID handling completion before deleting an NPIV instance
scsi: lpfc: Fix kref imbalance on fabric ndlps from dev_loss_tmo handler
scsi: lpfc: Restrict support for 32 byte CDBs to specific HBAs
scsi: lpfc: Update phba link state conditional before sending CMF_SYNC_WQE
scsi: lpfc: Add ELS_RSP cmd to the list of WQEs to flush in lpfc_els_flush_cmd()
scsi: mpi3mr: Update driver version to 8.12.0.0.50
scsi: mpi3mr: Improve wait logic while controller transitions to READY state
scsi: mpi3mr: Update MPI Headers to revision 34
scsi: mpi3mr: Use firmware-provided timestamp update interval
scsi: mpi3mr: Enhance the Enable Controller retry logic
scsi: sd: Fix off-by-one error in sd_read_block_characteristics()
scsi: pm8001: Do not overwrite PCI queue mapping
scsi: scsi_debug: Remove a useless memset()
scsi: pmcraid: Convert comma to semicolon
scsi: sd: Retry START STOP UNIT commands
scsi: mpi3mr: A performance fix
scsi: ufs: qcom: Update MODE_MAX cfg_bw value
...
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull more s390 updates from Vasily Gorbik:
- Clean up and improve vdso code: use SYM_* macros for function and
data annotations, add CFI annotations to fix GDB unwinding, optimize
the chacha20 implementation
- Add vfio-ap driver feature advertisement for use by libvirt and
mdevctl
* tag 's390-6.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/vfio-ap: Driver feature advertisement
s390/vdso: Use one large alternative instead of an alternative branch
s390/vdso: Use SYM_DATA_START_LOCAL()/SYM_DATA_END() for data objects
tools: Add additional SYM_*() stubs to linkage.h
s390/vdso: Use macros for annotation of asm functions
s390/vdso: Add CFI annotations to __arch_chacha20_blocks_nostack()
s390/vdso: Fix comment within __arch_chacha20_blocks_nostack()
s390/vdso: Get rid of permutation constants
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git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev
Pull fbdev fixes from Helge Deller:
- crash fix in fbcon_putcs
- avoid a possible string memory overflow in sisfb
- minor code optimizations in omapfb and fbcon
* tag 'fbdev-for-6.12-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev:
fbdev: sisfb: Fix strbuf array overflow
fbcon: break earlier in search_fb_in_map and search_for_mapped_con
fbdev: omapfb: Call of_node_put(ep) only once in omapdss_of_find_source_for_first_ep()
fbcon: Fix a NULL pointer dereference issue in fbcon_putcs
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Pull drm fixes from Dave Airlie:
"Regular fixes for the week to end the merge window, i915 and xe have a
few each, amdgpu makes up most of it with a bunch of SR-IOV related
fixes amongst others.
i915:
- Fix BMG support to UHBR13.5
- Two PSR fixes
- Fix colorimetry detection for DP
xe:
- Fix macro for checking minimum GuC version
- Fix CCS offset calculation for some BMG SKUs
- Fix locking on memory usage reporting via fdinfo and BO destroy
- Fix GPU page fault handler on a closed VM
- Fix overflow in oa batch buffer
amdgpu:
- MES 12 fix
- KFD fence sync fix
- SR-IOV fixes
- VCN 4.0.6 fix
- SDMA 7.x fix
- Bump driver version to note cleared VRAM support
- SWSMU fix
- CU occupancy logic fix
- SDMA queue fix"
* tag 'drm-next-2024-09-28' of https://gitlab.freedesktop.org/drm/kernel: (79 commits)
drm/amd/pm: update workload mask after the setting
drm/amdgpu: bump driver version for cleared VRAM
drm/amdgpu: fix vbios fetching for SR-IOV
drm/amdgpu: fix PTE copy corruption for sdma 7
drm/amdkfd: Add SDMA queue quantum support for GFX12
drm/amdgpu/vcn: enable AV1 on both instances
drm/amdkfd: Fix CU occupancy for GFX 9.4.3
drm/amdkfd: Update logic for CU occupancy calculations
drm/amdgpu: skip coredump after job timeout in SRIOV
drm/amdgpu: sync to KFD fences before clearing PTEs
drm/amdgpu/mes12: set enable_level_process_quantum_check
drm/i915/dp: Fix colorimetry detection
drm/amdgpu/mes12: reduce timeout
drm/amdgpu/mes11: reduce timeout
drm/amdgpu: use GEM references instead of TTMs v2
drm/amd/display: Allow backlight to go below `AMDGPU_DM_DEFAULT_MIN_BACKLIGHT`
drm/amd/display: Fix kdoc entry for 'tps' in 'dc_process_dmub_dpia_set_tps_notification'
drm/amdgpu: update golden regs for gfx12
drm/amdgpu: clean up vbios fetching code
drm/amd/display: handle nulled pipe context in DCE110's set_drr()
...
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https://gitlab.freedesktop.org/agd5f/linux into drm-next
amd-drm-fixes-6.12-2024-09-27:
amdgpu:
- MES 12 fix
- KFD fence sync fix
- SR-IOV fixes
- VCN 4.0.6 fix
- SDMA 7.x fix
- Bump driver version to note cleared VRAM support
- SWSMU fix
amdgpu:
- CU occupancy logic fix
- SDMA queue fix
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240927202819.2978109-1-alexander.deucher@amd.com
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The values of the variables xres and yres are placed in strbuf.
These variables are obtained from strbuf1.
The strbuf1 array contains digit characters
and a space if the array contains non-digit characters.
Then, when executing sprintf(strbuf, "%ux%ux8", xres, yres);
more than 16 bytes will be written to strbuf.
It is suggested to increase the size of the strbuf array to 24.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Signed-off-by: Andrey Shumilin <shum.sdl@nppct.ru>
Signed-off-by: Helge Deller <deller@gmx.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fix from Rafael Wysocki:
"Fix idle states enumeration in the intel_idle driver on platforms
supporting multiple flavors of the C6 idle state (Artem Bityutskiy)"
* tag 'pm-6.12-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
intel_idle: fix ACPI _CST matching for newer Xeon platforms
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git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
Pull compute express link (cxl) updates from Dave Jiang:
"Major changes address HDM decoder initialization from DVSEC ranges,
refactoring the code related to cxl mailboxes to be independent of the
memory devices, and adding support for shared upstream link
access_coordinate calculation, as well as a change to remove locking
from memory notifier callback.
In addition, a number of misc cleanups and refactoring of the code are
also included.
Address HDM decoder initialization from DVSEC ranges:
- Only register non-zero DVSEC ranges
- Remove duplicate implementation of waiting for memory_info_valid
- Simplify the checking of mem_enabled in cxl_hdm_decode_init()
Refactor the code related to cxl mailboxes to be independent of the memory devices:
- Move cxl headers in include/linux/ to include/cxl
- Move all mailbox related data to 'struct cxl_mailbox'
- Refactor mailbox APIs with 'struct cxl_mailbox' as input instead of
memory device state
Add support for shared upstream link access_coordinate calculation for
configurations that have multiple targets under a switch or a root
port where the aggregated bandwidth can be greater than the upstream
link of the switch/RP upstream link:
- Preserve the CDAT access_coordinate from an endpoint
- Add the support for shared upstream link access_coordinate calculation
- Add documentation to explain how the calculations are done
Remove locking from memory notifier callback.
Misc cleanups:
- Convert devm_cxl_add_root() to return using ERR_CAST()
- cxl_test use dev_is_platform() instead of open coding
- Remove duplicate include of header core.h in core/cdat.c
- use scoped resource management to drop put_device() for cxl_port
- Use scoped_guard to drop device_lock() for cxl_port
- Refactor __devm_cxl_add_port() to drop gotos
- Rename cxl_setup_parent_dport to cxl_dport_init_aer and
cxl_dport_map_regs() to cxl_dport_map_ras()
- Refactor cxl_dport_init_aer() to be more concise
- Remove duplicate host_bridge->native_aer checking in
cxl_dport_init_ras_reporting()
- Fix comment for cxl_query_cmd()"
* tag 'cxl-for-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl: (21 commits)
cxl: Add documentation to explain the shared link bandwidth calculation
cxl: Calculate region bandwidth of targets with shared upstream link
cxl: Preserve the CDAT access_coordinate for an endpoint
cxl: Fix comment regarding cxl_query_cmd() return data
cxl: Convert cxl_internal_send_cmd() to use 'struct cxl_mailbox' as input
cxl: Move mailbox related bits to the same context
cxl: move cxl headers to new include/cxl/ directory
cxl/region: Remove lock from memory notifier callback
cxl/pci: simplify the check of mem_enabled in cxl_hdm_decode_init()
cxl/pci: Check Mem_info_valid bit for each applicable DVSEC
cxl/pci: Remove duplicated implementation of waiting for memory_info_valid
cxl/pci: Fix to record only non-zero ranges
cxl/pci: Remove duplicate host_bridge->native_aer checking
cxl/pci: cxl_dport_map_rch_aer() cleanup
cxl/pci: Rename cxl_setup_parent_dport() and cxl_dport_map_regs()
cxl/port: Refactor __devm_cxl_add_port() to drop goto pattern
cxl/port: Use scoped_guard()/guard() to drop device_lock() for cxl_port
cxl/port: Use __free() to drop put_device() for cxl_port
cxl: Remove duplicate included header file core.h
tools/testing/cxl: Use dev_is_platform()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"19 hotfixes. 13 are cc:stable.
There's a focus on fixes for the memfd_pin_folios() work which was
added into 6.11. Apart from that, the usual shower of singleton fixes"
* tag 'mm-hotfixes-stable-2024-09-27-09-45' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
ocfs2: fix uninit-value in ocfs2_get_block()
zram: don't free statically defined names
memory tiers: use default_dram_perf_ref_source in log message
Revert "list: test: fix tests for list_cut_position()"
kselftests: mm: fix wrong __NR_userfaultfd value
compiler.h: specify correct attribute for .rodata..c_jump_table
mm/damon/Kconfig: update DAMON doc URL
mm: kfence: fix elapsed time for allocated/freed track
ocfs2: fix deadlock in ocfs2_get_system_file_inode
ocfs2: reserve space for inline xattr before attaching reflink tree
mm: migrate: annotate data-race in migrate_folio_unmap()
mm/hugetlb: simplify refs in memfd_alloc_folio
mm/gup: fix memfd_pin_folios alloc race panic
mm/gup: fix memfd_pin_folios hugetlb page allocation
mm/hugetlb: fix memfd_pin_folios resv_huge_pages leak
mm/hugetlb: fix memfd_pin_folios free_huge_pages leak
mm/filemap: fix filemap_get_folios_contig THP panic
mm: make SPLIT_PTE_PTLOCKS depend on SMP
tools: fix shared radix-tree build
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git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
Pull LoongArch updates from Huacai Chen:
- Fix objtool about do_syscall() and Clang
- Enable generic CPU vulnerabilites support
- Enable ACPI BGRT handling
- Rework CPU feature probe from CPUCFG/IOCSR
- Add ARCH_HAS_SET_MEMORY support
- Add ARCH_HAS_SET_DIRECT_MAP support
- Improve hardware page table walker
- Simplify _percpu_read() and _percpu_write()
- Add advanced extended IRQ model documentions
- Some bug fixes and other small changes
* tag 'loongarch-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson:
Docs/LoongArch: Add advanced extended IRQ model description
LoongArch: Remove posix_types.h include from sigcontext.h
LoongArch: Fix memleak in pci_acpi_scan_root()
LoongArch: Simplify _percpu_read() and _percpu_write()
LoongArch: Improve hardware page table walker
LoongArch: Add ARCH_HAS_SET_DIRECT_MAP support
LoongArch: Add ARCH_HAS_SET_MEMORY support
LoongArch: Rework CPU feature probe from CPUCFG/IOCSR
LoongArch: Enable ACPI BGRT handling
LoongArch: Enable generic CPU vulnerabilites support
LoongArch: Remove STACK_FRAME_NON_STANDARD(do_syscall)
LoongArch: Set AS_HAS_THIN_ADD_SUB as y if AS_IS_LLVM
LoongArch: Enable objtool for Clang
objtool: Handle frame pointer related instructions
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git://git.kernel.org/pub/scm/linux/kernel/git/glaubitz/sh-linux
Pull sh updates from John Paul Adrian Glaubitz:
"The first change by Gaosheng Cui removes unused declarations which
have been obsoleted since commit 5a4053b23262 ("sh: Kill off dead
boards.") and the second by his colleague Hongbo Li replaces the use
of the unsafe simple_strtoul() with the safer kstrtoul() function in
the sh interrupt controller driver code"
* tag 'sh-for-v6.12-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/glaubitz/sh-linux:
sh: intc: Replace simple_strtoul() with kstrtoul()
sh: Remove unused declarations for make_maskreg_irq() and irq_mask_register
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git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux into i2c/for-current
I2C host fixes for v6.12-rc1
The DesignWare driver now has the correct ENABLE-ABORT sequence,
ensuring ABORT can always be sent when needed.
In the SynQuacer controller we now check for PCLK as an optional
clock, allowing ACPI to directly provide the clock rate.
The recent KEBA driver required a dependency fix in Kconfig.
The XIIC driver now has a corrected power suspend sequence.
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull more xen updates from Juergen Gross:
"A second round of Xen related changes and features:
- a small fix of the xen-pciback driver for a warning issued by
sparse
- support PCI passthrough when using a PVH dom0
- enable loading the kernel in PVH mode at arbitrary addresses,
avoiding conflicts with the memory map when running as a Xen dom0
using the host memory layout"
* tag 'for-linus-6.12-rc1a-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
x86/pvh: Add 64bit relocation page tables
x86/kernel: Move page table macros to header
x86/pvh: Set phys_base when calling xen_prepare_pvh()
x86/pvh: Make PVH entrypoint PIC for x86-64
xen: sync elfnote.h from xen tree
xen/pciback: fix cast to restricted pci_ers_result_t and pci_power_t
xen/privcmd: Add new syscall to get gsi from dev
xen/pvh: Setup gsi for passthrough device
xen/pci: Add a function to reset device for xen
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git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper updates from Mikulas Patocka:
- Misc VDO fixes
- Remove unused declarations dm_get_rq_mapinfo() and dm_zone_map_bio()
- Dm-delay: Improve kernel documentation
- Dm-crypt: Allow to specify the integrity key size as an option
- Dm-bufio: Remove pointless NULL check
- Small code cleanups: Use ERR_CAST; remove unlikely() around IS_ERR;
use __assign_bit
- Dm-integrity: Fix gcc 5 warning; convert comma to semicolon; fix
smatch warning
- Dm-integrity: Support recalculation in the 'I' mode
- Revert "dm: requeue IO if mapping table not yet available"
- Dm-crypt: Small refactoring to make the code more readable
- Dm-cache: Remove pointless error check
- Dm: Fix spelling errors
- Dm-verity: Restart or panic on an I/O error if restart or panic was
requested
- Dm-verity: Fallback to platform keyring also if key in trusted
keyring is rejected
* tag 'for-6.12/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: (26 commits)
dm verity: fallback to platform keyring also if key in trusted keyring is rejected
dm-verity: restart or panic on an I/O error
dm: fix spelling errors
dm-cache: remove pointless error check
dm vdo: handle unaligned discards correctly
dm vdo indexer: Convert comma to semicolon
dm-crypt: Use common error handling code in crypt_set_keyring_key()
dm-crypt: Use up_read() together with key_put() only once in crypt_set_keyring_key()
Revert "dm: requeue IO if mapping table not yet available"
dm-integrity: check mac_size against HASH_MAX_DIGESTSIZE in sb_mac()
dm-integrity: support recalculation in the 'I' mode
dm integrity: Convert comma to semicolon
dm integrity: fix gcc 5 warning
dm: Make use of __assign_bit() API
dm integrity: Remove extra unlikely helper
dm: Convert to use ERR_CAST()
dm bufio: Remove NULL check of list_entry()
dm-crypt: Allow to specify the integrity key size as option
dm: Remove unused declaration and empty definition "dm_zone_map_bio"
dm delay: enhance kernel documentation
...
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git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux
Pull ata fixes from Damien Le Moal:
- Fix a NULL pointer dereference introduced by the recent cleanups of
the command duration limits feature handling (me)
- Fix incorrect generation of the mode sense data for the
ALL_SUB_MPAGES page (me)
* tag 'ata-6.12-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux:
ata: libata-scsi: Fix ata_msense_control() CDL page reporting
ata: libata-scsi: Fix ata_msense_control_spgt2()
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH:
"Here is a small set of patches for the driver core code for 6.12-rc1.
This set is the one that caused the most delay on my side, due to lots
of last-minute reports of problems in the async shutdown feature that
was added. In the end, I've reverted all of the patches in that series
so we are back to "normal" and the patch set is being reworked for the
next merge window.
Other than the async shutdown patches that were reverted, included in
here are:
- minor driver core cleanups
- minor driver core bus and class api cleanups and simplifications
for some callbacks
- some const markings of structures
- other even more minor cleanups
All of these, including the last minute reverts, have been in
linux-next, but all of the reports of problems in linux-next were
before the reverts happened. After the reverts, all is good"
* tag 'driver-core-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (32 commits)
Revert "driver core: don't always lock parent in shutdown"
Revert "driver core: separate function to shutdown one device"
Revert "driver core: shut down devices asynchronously"
Revert "nvme-pci: Make driver prefer asynchronous shutdown"
Revert "driver core: fix async device shutdown hang"
driver core: fix async device shutdown hang
driver core: attribute_container: Remove unused functions
driver core: Trivially simplify ((struct device_private *)curr)->device->p to @curr
devres: Correclty strip percpu address space of devm_free_percpu() argument
driver core: Make parameter check consistent for API cluster device_(for_each|find)_child()
bus: fsl-mc: make fsl_mc_bus_type const
nvme-pci: Make driver prefer asynchronous shutdown
driver core: shut down devices asynchronously
driver core: separate function to shutdown one device
driver core: don't always lock parent in shutdown
platform: Make platform_bus_type constant
driver core: class: Check namespace relevant parameters in class_register()
driver:base:core: Adding a "Return:" line in comment for device_link_add()
drivers/base: Introduce device_match_t for device finding APIs
firmware_loader: Block path traversal
...
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no_llseek had been defined to NULL two years ago, in commit 868941b14441
("fs: remove no_llseek")
To quote that commit,
At -rc1 we'll need do a mechanical removal of no_llseek -
git grep -l -w no_llseek | grep -v porting.rst | while read i; do
sed -i '/\<no_llseek\>/d' $i
done
would do it.
Unfortunately, that hadn't been done. Linus, could you do that now, so
that we could finally put that thing to rest? All instances are of the
form
.llseek = no_llseek,
so it's obviously safe.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Selecting CONFIG_OMAP2PLUS_MBOX while compile testing
causes a build failure:
WARNING: unmet direct dependencies detected for OMAP2PLUS_MBOX
Depends on [n]: MAILBOX [=y] && (ARCH_OMAP2PLUS || ARCH_K3)
Selected by [m]:
- TI_K3_M4_REMOTEPROC [=m] && REMOTEPROC [=y] && (ARCH_K3 || COMPILE_TEST [=y])
Using 'select' to force-enable another subsystem is generally
a mistake and causes problems such as this one, so change the
three drivers that link against this driver to use 'depends on'
instead, and ensure the driver itself can be compile tested
regardless of the platform.
When compile-testing without CONFIG_TI_SCI_PROTOCOL=m, there
is a chance for a link failure, so add a careful dependency
on that.
arm-linux-gnueabi-ld: drivers/remoteproc/ti_k3_m4_remoteproc.o: in function `k3_m4_rproc_probe':
ti_k3_m4_remoteproc.c:(.text.k3_m4_rproc_probe+0x76): undefined reference to `devm_ti_sci_get_by_phandle'
Fixes: ebcf9008a895 ("remoteproc: k3-m4: Add a remoteproc driver for M4F subsystem")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Reviewed-by: Andrew Davis <afd@ti.com>
Reviewed-by: Martyn Welch <martyn.welch@collabora.com>
Signed-off-by: Jassi Brar <jassisinghbrar@gmail.com>
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It is not valid to call pm_runtime_set_suspended() for devices
with runtime PM enabled because it returns -EAGAIN if it is enabled
already and working. So, call pm_runtime_disable() before to fix it.
Fixes: 36ecbcab84d0 ("i2c: xiic: Implement power management")
Cc: <stable@vger.kernel.org> # v4.6+
Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
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The KEBA I2C controller is only present on KEBA PLC devices. Hence add
a dependency on KEBA_CP500, to prevent asking the user about this driver
when configuring a kernel without KEBA CP500 system FPGA support.
Fixes: c7e08c816cd2fdf8 ("i2c: keba: Add KEBA I2C controller support")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Gerhard Engleder <eg@keba.com>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
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update workload mask after the setting.
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/3625
Signed-off-by: Kenneth Feng <kenneth.feng@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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Driver now clears VRAM on allocation. Bump the
driver version so mesa knows when it will get
cleared vram by default.
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org # 6.11.x
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