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The only caller of svc_rqst_alloc() is svc_prepare_thread(). So merge
the one into the other and simplify.
Signed-off-by: NeilBrown <neilb@suse.de>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
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As documented in svc_xprt.c, sv_nrthreads is protected by the service
mutex, and it does not need ->sv_lock.
(->sv_lock is needed only for sv_permsocks, sv_tempsocks, and
sv_tmpcnt).
So remove the unnecessary locking.
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
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sp_nrthreads is only ever accessed under the service mutex
nlmsvc_mutex nfs_callback_mutex nfsd_mutex
so these is no need for it to be an atomic_t.
The fact that all code using it is single-threaded means that we can
simplify svc_pool_victim and remove the temporary elevation of
sp_nrthreads.
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
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The locking required for svc_exit_thread() is not obvious, so document
it in a kdoc comment.
Signed-off-by: NeilBrown <neilb@suse.de>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
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Instead of using kmalloc to allocate an array for storing active version
info, just declare an array to the max size - it is only 5 or so.
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
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Physical addresses under IOVA on x86 platform are mapped contiguously
as a side effect before the patch that removed CONFIG_DMA_REMAP. The
NTB rx buffer ring is a single chunk DMA buffer that is allocated
against the NTB PCI device. If the receive side is using a DMA device,
then the buffers are remapped against the DMA device before being
submitted via the dmaengine API. This scheme becomes a problem when
the physical memory is discontiguous. When dma_map_page() is called
on the kernel virtual address from the dma_alloc_coherent() call, the
new IOVA mapping no longer points to all the physical memory allocated
due to being discontiguous. Change dma_alloc_coherent() to dma_alloc_attrs()
in order to force DMA_ATTR_FORCE_CONTIGUOUS attribute. This is the best
fix for the circumstance. A potential future solution may be having the DMA
mapping API providing a way to alias an existing IOVA mapping to a new
device perhaps.
This fix is not to fix the patch pointed to by the fixes tag, but to fix
the issue arised in the ntb_transport driver on x86 platforms after the
said patch is applied.
Reported-by: Jerry Dai <jerry.dai@intel.com>
Fixes: f5ff79fddf0e ("dma-mapping: remove CONFIG_DMA_REMAP")
Tested-by: Jerry Dai <jerry.dai@intel.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
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switchtec_ntb_remove due to race condition
In the switchtec_ntb_add function, it can call switchtec_ntb_init_sndev
function, then &sndev->check_link_status_work is bound with
check_link_status_work. switchtec_ntb_link_notification may be called
to start the work.
If we remove the module which will call switchtec_ntb_remove to make
cleanup, it will free sndev through kfree(sndev), while the work
mentioned above will be used. The sequence of operations that may lead
to a UAF bug is as follows:
CPU0 CPU1
| check_link_status_work
switchtec_ntb_remove |
kfree(sndev); |
| if (sndev->link_force_down)
| // use sndev
Fix it by ensuring that the work is canceled before proceeding with
the cleanup in switchtec_ntb_remove.
Signed-off-by: Kaixin Wang <kxwang23@m.fudan.edu.cn>
Reviewed-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
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The word 'swtich' is wrong, so fix it.
Signed-off-by: zhang jiao <zhangjiao2@cmss.chinamobile.com>
Acked-by: Serge Semin <fancer.lancer@gmail.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
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Use "/*" instead of "/**" for common C comments to prevent warnings
from scripts/kernel-doc.
ntb_hw_epf.c:15: warning: expecting prototype for Host side endpoint driver to implement Non(). Prototype was for NTB_EPF_COMMAND() instead
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Jon Mason <jdmason@kudzu.us>
Cc: Dave Jiang <dave.jiang@intel.com>
Cc: Allen Hubbe <allenbh@gmail.com>
Cc: ntb@lists.linux.dev
Signed-off-by: Jon Mason <jdmason@kudzu.us>
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Fix all kernel-doc warnings in ntb_transport.c.
The function parameters for ntb_transport_create_queue() changed, so
update them in the kernel-doc comments.
Add a Returns: comment for ntb_transport_register_client_dev().
ntb_transport.c:382: warning: No description found for return value of 'ntb_transport_register_client_dev'
ntb_transport.c:1984: warning: Excess function parameter 'rx_handler' description in 'ntb_transport_create_queue'
ntb_transport.c:1984: warning: Excess function parameter 'tx_handler' description in 'ntb_transport_create_queue'
ntb_transport.c:1984: warning: Excess function parameter 'event_handler' description in 'ntb_transport_create_queue'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Jon Mason <jdmason@kudzu.us>
Cc: Dave Jiang <dave.jiang@intel.com>
Cc: Allen Hubbe <allenbh@gmail.com>
Cc: ntb@lists.linux.dev
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
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'struct bus_type' is not modified in this driver.
Constifying this structure moves some data to a read-only section, so
increase overall security, especially when the structure holds some
function pointers.
On a x86_64, with allmodconfig:
Before:
======
text data bss dec hex filename
69682 4593 152 74427 122bb drivers/ntb/ntb_transport.o
5847 448 32 6327 18b7 drivers/ntb/core.o
After:
=====
text data bss dec hex filename
69858 4433 152 74443 122cb drivers/ntb/ntb_transport.o
6007 288 32 6327 18b7 drivers/ntb/core.o
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
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The correct printk format is %pa or %pap, but not %pa[p].
Fixes: 99a06056124d ("NTB: ntb_perf: Fix address err in perf_copy_chunk")
Signed-off-by: Max Hawking <maxahawking@sonnenkinder.org>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
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The debugfs_create_dir() function returns error pointers.
It never returns NULL. So use IS_ERR() to check it.
Fixes: e26a5843f7f5 ("NTB: Split ntb_hw_intel and ntb_transport drivers")
Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RT enablement from Thomas Gleixner:
"Enable PREEMPT_RT on supported architectures:
After twenty years of development we finally reached the point to
enable PREEMPT_RT support in the mainline kernel.
All prerequisites are merged, so enable it on the supported
architectures ARM64, RISCV and X86(32/64-bit)"
* tag 'sched-rt-2024-09-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
riscv: Allow to enable PREEMPT_RT.
arm64: Allow to enable PREEMPT_RT.
x86: Allow to enable PREEMPT_RT.
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- Remove .*.cmd files with make clean (zhang jiao)
- Remove the unused BILLION macro (zhang jiao)
* pci/tools:
tools: PCI: Remove unused BILLION macro
tools: PCI: Remove .*.cmd files with make clean
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- Check pcie_find_root_port() return in x86 fixups to avoid NULL pointer
dereferences (Samasth Norway Ananda)
- Make pci_bus_type constant (Kunwu Chan)
- Remove unused declarations of __pci_pme_wakeup() and pci_vpd_release()
(Yue Haibing)
- Remove any leftover .*.cmd files with make clean (zhang jiao)
* pci/misc:
PCI: Fix typos
PCI/VPD: Remove pci_vpd_release() unused declarations
PCI/PM: Remove __pci_pme_wakeup() unused declarations
PCI: Make pci_bus_type constant
x86/PCI: Check pcie_find_root_port() return for NULL
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- Add an ACS quirk for Qualcomm SA8775P, which doesn't advertise ACS but
does provide ACS-like features (Subramanian Ananthanarayanan)
- Mark Creative Labs EMU20k2 INTx masking as broken (Alex Williamson)
* pci/quirks:
PCI: Mark Creative Labs EMU20k2 INTx masking as broken
PCI: Add ACS quirk for Qualcomm SA8775P
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- Fix off-by-one error in INTx IRQ handler that caused INTx interrupts to
be lost or delivered as the wrong interrupt (Sean Anderson)
- Rate-limit misc interrupt messages (Sean Anderson)
- Turn off the clock on probe failure and device removal (Sean Anderson)
- Add DT binding and driver support for enabling/disabling PHYs (Sean
Anderson)
- Add PCIe phy bindings for the ZCU102 (Sean Anderson)
- Add support for Xilinx QDMA Soft IP PCIe Root Port Bridge to DT binding
and xilinx-dma-pl driver (Thippeswamy Havalige)
* pci/controller/xilinx:
PCI: xilinx-xdma: Add Xilinx QDMA Root Port driver
dt-bindings: PCI: xilinx-xdma: Add schemas for Xilinx QDMA PCIe Root Port Bridge
arm64: zynqmp: Add PCIe phys property for ZCU102
PCI: xilinx-nwl: Add PHY support
dt-bindings: pci: xilinx-nwl: Add phys property
PCI: xilinx-nwl: Clean up clock on probe failure/removal
PCI: xilinx-nwl: Rate-limit misc interrupt messages
PCI: xilinx-nwl: Fix register misspelling
PCI: xilinx-nwl: Fix off-by-one in INTx IRQ handler
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- Fix whitespace indentation issues (Riyan Dhiman)
* pci/controller/vmd:
PCI: vmd: Fix indentation issue in vmd_shutdown()
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- Make the read-only const array 'check_addr' static (Colin Ian King)
- Add R-Car V4M (R8A779H0) PCIe host and endpoint to DT binding (Yoshihiro
Shimoda)
* pci/controller/rcar-gen4:
dt-bindings: PCI: rcar-gen4-pci-ep: Add R-Car V4M compatible
dt-bindings: PCI: rcar-gen4-pci-host: Add R-Car V4M compatible
PCI: rcar-gen4: Make read-only const array check_addr static
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- Drop endpoint redundant masking of global IRQ events (Manivannan
Sadhasivam)
- Clarify unknown global IRQ message and only log it once to avoid a flood
(Manivannan Sadhasivam)
- Add Manivannan Sadhasivam as maintainer of qcom endpoint driver
(Manivannan Sadhasivam)
- Add 'linux,pci-domain' property to endpoint DT binding (Manivannan
Sadhasivam)
- Assign PCI domain number for endpoint controllers (Manivannan Sadhasivam)
- Add 'qcom_pcie_ep' and the PCI domain number to IRQ names for endpoint
controller (Manivannan Sadhasivam)
- Add global SPI interrupt for PCIe link events to DT binding (Manivannan
Sadhasivam)
- Add global RC interrupt handler to handle 'Link up' events and
automatically enumerate hot-added devices (Manivannan Sadhasivam)
- Avoid mirroring of DBI and iATU register space so it doesn't overlap BAR
MMIO space (Prudhvi Yarlagadda)
- Enable controller resources like PHY only after PERST# is deasserted to
partially avoid the problem that the endpoint SoC crashes when accessing
things when Refclk is absent (Manivannan Sadhasivam)
- Rename dw_pcie.link_gen to max_link_speed to avoid ambiguity (Manivannan
Sadhasivam)
- Cache maximum link speed value in dw_pcie.max_link_speed for use by
vendor drivers (Manivannan Sadhasivam)
- Add 16.0 GT/s equalization and RX lane margining settings (Shashank Babu
Chinta Venkata)
- Pass domain number to pci_bus_release_domain_nr() explicitly to avoid a
NULL pointer dereference (Manivannan Sadhasivam)
* pci/controller/qcom:
PCI: Pass domain number to pci_bus_release_domain_nr() explicitly
PCI: qcom: Add RX lane margining settings for 16.0 GT/s
PCI: qcom: Add equalization settings for 16.0 GT/s
PCI: dwc: Always cache the maximum link speed value in dw_pcie::max_link_speed
PCI: dwc: Rename 'dw_pcie::link_gen' to 'dw_pcie::max_link_speed'
PCI: qcom-ep: Enable controller resources like PHY only after refclk is available
PCI: qcom: Disable mirroring of DBI and iATU register space in BAR region
PCI: qcom: Enumerate endpoints based on Link up event in 'global_irq' interrupt
dt-bindings: PCI: qcom,pcie-sm8450: Add 'global' interrupt
PCI: qcom-ep: Modify 'global_irq' and 'perst_irq' IRQ device names
PCI: endpoint: Assign PCI domain number for endpoint controllers
dt-bindings: PCI: pci-ep: Document 'linux,pci-domain' property
dt-bindings: PCI: pci-ep: Update Maintainers
PCI: qcom-ep: Reword the error message for receiving unknown global IRQ event
PCI: qcom-ep: Drop the redundant masking of global IRQ events
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- Add per-SoC struct mtk_gen3_pcie_pdata to support multiple SoC types
(Lorenzo Bianconi)
- Use reset_bulk APIs to manage PHY reset lines (Lorenzo Bianconi)
- Add DT and driver support for Airoha EN7581 PCIe controller (Lorenzo
Bianconi)
* pci/controller/mediatek-gen3:
PCI: mediatek-gen3: Add Airoha EN7581 support
PCI: mediatek-gen3: Rely on reset_bulk APIs for PHY reset lines
PCI: mediatek-gen3: Add mtk_gen3_pcie_pdata data structure
dt-bindings: PCI: mediatek-gen3: Add support for Airoha EN7581
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- Drop excess mtk_pcie.mem kerneldoc description (Bjorn Helgaas)
* pci/controller/mediatek:
PCI: mediatek: Drop excess mtk_pcie.mem kerneldoc description
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- Increase max PCI hosts to 8 for Loongson-3C6000 and newer chipsets
(Huacai Chen)
* pci/controller/loongson:
PCI/ACPI: Increase Loongson max PCI hosts to 8
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- Fix potential buffer overflow in kirin_pcie_parse_port() (Alexandra
Diupina)
* pci/controller/kirin:
PCI: kirin: Fix buffer overflow in kirin_pcie_parse_port()
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- Fix NULL pointer checking when applying MRRS limitation quirk for AM65x
SR 1.0 Errata #i2037 (Dan Carpenter)
* pci/controller/keystone:
PCI: keystone: Fix if-statement expression in ks_pcie_quirk()
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- Add DT "ti,syscon-acspcie-proxy-ctrl" and driver support to enable the
ACSPCIE module to drive Refclk for the Endpoint (Siddharth Vadapalli)
- Extract the cadence link setup from cdns_pcie_host_setup() so link setup
can be done separately during resume (Thomas Richard)
- Use dev_err_probe() to simplify j721e probe (Thomas Richard)
- Add T_PERST_CLK_US definition for the mandatory delay between Refclk
becoming stable and PERST# being deasserted (Thomas Richard)
- Add j721e suspend and resume support (Théo Lebrun)
* pci/controller/j721e:
PCI: j721e: Add suspend and resume support
PCI: j721e: Use T_PERST_CLK_US macro
PCI: Add T_PERST_CLK_US macro
PCI: j721e: Add reset GPIO to struct j721e_pcie
PCI: j721e: Use dev_err_probe() in the probe() function
PCI: cadence: Set cdns_pcie_host_init() global
PCI: cadence: Extract link setup sequence from cdns_pcie_host_setup()
PCI: j721e: Enable ACSPCIE Refclk if "ti,syscon-acspcie-proxy-ctrl" exists
dt-bindings: PCI: ti,j721e-pci-host: Add ACSPCIE proxy control property
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- Fix a code restructuring error that caused i.MX8MM and i.MX8MP Endpoints
to fail to establish link (Richard Zhu)
- Fix i.MX8MP Endpoint occasional failure to trigger MSI by enforcing
outbound alignment requirement (Richard Zhu)
- Call phy_power_off() in the .probe() error path (Frank Li)
- Rename internal names from imx6_* to imx_* since i.MX7/8/9 are also
supported (Frank Li)
- Manage Refclk by using SoC-specific callbacks instead of switch
statements (Frank Li)
- Manage core reset by using SoC-specific callbacks instead of switch
statements (Frank Li)
- Expand comments for erratum ERR010728 workaround (Frank Li)
- Use generic PHY APIs to configure mode, speed, and submode, which is
harmless for devices that implement their own internal PHY management and
don't set the generic imx_pcie->phy (Frank Li)
- Add i.MX8Q (i.MX8QM, i.MX8QXP, and i.MX8DXL) DT binding and driver Root
Complex support (Richard Zhu)
* pci/controller/imx6:
PCI: imx6: Add i.MX8Q PCIe Root Complex (RC) support
PCI: imx6: Call common PHY API to set mode, speed, and submode
dt-bindings: PCI: imx6q-pcie: Add i.MX8Q PCIe compatible string
PCI: imx6: Consolidate redundant if-checks
PCI: imx6: Improve comment for workaround ERR010728
PCI: imx6: Simplify switch-case logic by involve core_reset callback
PCI: imx6: Introduce SoC specific callbacks for controlling REFCLK
PCI: imx6: Rename imx6_* with imx_*
PCI: imx6: Fix missing call to phy_power_off() in error handling
PCI: imx6: Fix i.MX8MP PCIe EP's occasional failure to trigger MSI
PCI: imx6: Fix establish link failure in EP mode for i.MX8MM and i.MX8MP
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- Request IRQF_ONESHOT for 'dra7xx-pcie-main' IRQ since the primary handler
is NULL (Siddharth Vadapalli)
- Handle IRQ request errors during root port and endpoint probe (Siddharth
Vadapalli)
* pci/controller/dra7xx:
PCI: dra7xx: Fix error handling when IRQ request fails in probe
PCI: dra7xx: Fix threaded IRQ request for "dra7xx-pcie-main" IRQ
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- Drop excess cdns_pcie_rc.dev kerneldoc description (Bjorn Helgaas)
* pci/controller/cadence:
PCI: cadence: Drop excess cdns_pcie_rc.dev kerneldoc description
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- Change DT binding maintainer to Jim Quinlan (Jim Quinlan)
- Add DT binding maxItems for reset controllers (Jim Quinlan)
- Refactor .probe() error handling (Jim Quinlan)
- Use the 'bridge' reset method if described in the DT (Jim Quinlan)
- Use the 'swinit' reset method if described in the DT (Jim Quinlan)
- Add SoC-specific HARD_DEBUG, INTR2_CPU_BASE register offsets (Jim
Quinlan)
- Drop unused RGR1_SW_INIT_1_INIT_MASK, RGR1_SW_INIT_1_INIT_SHIFT offsets
(Jim Quinlan)
- Add 'has_phy' so the existence of a 'rescal' reset controller doesn't
imply software control of it (Jim Quinlan)
- Add support for many inbound DMA windows (Jim Quinlan)
- Check return values of all reset_control_*() calls (Jim Quinlan)
- Rename SoC 'type' to 'soc_base' express the fact that SoCs come in
families of multiple similar devices (Jim Quinlan)
- Add Broadcom 7712 DT description and driver support (Jim Quinlan)
- Sort enums, pcie_offsets[], pcie_cfg_data, .compatible strings for
maintainability (Bjorn Helgaas)
* pci/controller/brcmstb:
PCI: brcmstb: Sort enums, pcie_offsets[], pcie_cfg_data, .compatible strings
PCI: brcmstb: Enable 7712 SoCs
PCI: brcmstb: Change field name from 'type' to 'soc_base'
PCI: brcmstb: Check return value of all reset_control_* calls
PCI: brcmstb: Refactor for chips with many regular inbound windows
PCI: brcmstb: Don't conflate the reset rescal with PHY ctrl
PCI: brcmstb: Remove two unused constants from driver
PCI: brcmstb: PCI: brcmstb: Make HARD_DEBUG, INTR2_CPU_BASE offsets SoC-specific
PCI: brcmstb: Use swinit reset if available
PCI: brcmstb: Use bridge reset if available
PCI: brcmstb: Use common error handling code in brcm_pcie_probe()
dt-bindings: PCI: brcm,stb-pcie: Add 7712 SoC description
dt-bindings: PCI: brcm,stb-pcie: Use maxItems for reset controllers
dt-bindings: PCI: brcm,stb-pcie: Change brcmstb maintainer and cleanup
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- Replace TLP_REQ_ID() with macro PCI_DEVID(), which does the same thing
and is what other drivers use (Jinjie Ruan)
* pci/controller/altera:
PCI: altera: Replace TLP_REQ_ID() with macro PCI_DEVID()
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- Add MSI_FLAG_NO_AFFINITY flag for devices that mux MSIs onto a single IRQ
line and cannot set the affinity of each MSI to a specific CPU core
(Marek Vasut)
- Use MSI_FLAG_NO_AFFINITY and remove unnecessary .irq_set_affinity()
implementations in aardvark, altera, brcmstb, dwc, mediatek-gen3,
mediatek, mobiveil, plda, rcar, tegra, vmd, xilinx-nwl, xilinx-xdma, and
xilinx drivers to avoid "IRQ: set affinity failed" warnings (Marek Vasut)
* pci/controller/affinity:
PCI: xilinx: Silence 'set affinity failed' warning
PCI: xilinx-xdma: Silence 'set affinity failed' warning
PCI: xilinx-nwl: Silence 'set affinity failed' warning
PCI: vmd: Silence 'set affinity failed' warning
PCI: tegra: Silence 'set affinity failed' warning
PCI: rcar-host: Silence 'set affinity failed' warning
PCI: plda: Silence 'set affinity failed' warning
PCI: mobiveil: Silence 'set affinity failed' warning
PCI: mediatek: Silence 'set affinity failed' warning
PCI: mediatek-gen3: Silence 'set affinity failed' warning
PCI: dwc: Silence 'set affinity failed' warning
PCI: brcmstb: Silence 'set affinity failed' warning
PCI: altera-msi: Silence 'set affinity failed' warning
PCI: aardvark: Silence 'set affinity failed' warning
genirq/msi: Silence 'set affinity failed' warning
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- Fix enum pci_epc_bar_type kerneldoc (Bjorn Helgaas)
* pci/controller/endpoint:
PCI: endpoint: Fix enum pci_epc_bar_type kerneldoc
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- Drop minItems and maxItems from ranges in PCI generic host binding since
host bridges may have several MMIO and I/O port apertures (Frank Li)
- Add kirin, rcar-gen2, uniphier DT binding top-level constraints for
clocks (Krzysztof Kozlowski)
- Replace layerscape-pcie DT binding compatible fsl,lx2160a-pcie with
fsl,lx2160ar2-pcie (Frank Li)
- Add layerscape-pcie DT binding deprecated 'num-viewport' property to
address a DT checker warning (Frank Li)
- Change layerscape-pcie DT binding 'fsl,pcie-scfg' to phandle-array (Frank
Li)
- Update qcom,pcie-sc7280 DT binding with eight interrupts (Rayyan Ansari)
- Convert altera DT bindings from text to YAML (Matthew Gerlach)
- Add imx6q-pcie 'dbi2' and 'atu' reg-names for i.MX8M Endpoints (Richard
Zhu)
- Add back qcom 'vddpe-3v3-supply', which was incorrectly removed earlier
(Johan Hovold)
* pci/dt-bindings:
dt-bindings: PCI: qcom: Allow 'vddpe-3v3-supply' again
dt-bindings: PCI: imx6q-pcie: Add reg-name "dbi2" and "atu" for i.MX8M PCIe Endpoint
dt-bindings: PCI: altera: msi: Convert to YAML
dt-bindings: PCI: altera: Convert to YAML
dt-bindings: PCI: qcom,pcie-sc7280: Update bindings adding eight interrupts
dt-bindings: PCI: layerscape-pci: Change property 'fsl,pcie-scfg' type
dt-bindings: PCI: layerscape-pci: Add deprecated property 'num-viewport'
dt-bindings: PCI: layerscape-pci: Replace fsl,lx2160a-pcie with fsl,lx2160ar2-pcie
dt-bindings: PCI: socionext,uniphier-pcie-ep: Add top-level constraints
dt-bindings: PCI: renesas,pci-rcar-gen2: Add top-level constraints
dt-bindings: PCI: hisilicon,kirin-pcie: Add top-level constraints
dt-bindings: PCI: host-generic-pci: Drop minItems and maxItems of ranges
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- Add ARCH_PCI_DEV_GROUPS so s390 can add its own attribute_groups without
having to stomp on the core's pdev->dev.groups (Lukas Wunner)
* pci/sysfs:
s390/pci: Stop usurping pdev->dev.groups
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- Wait for each level of downstream bus, not just the first, to become
accessible before restoring devices on that bus (Ilpo Järvinen)
* pci/reset:
PCI: Wait for Link before restoring Downstream Buses
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- Add pwrctl support for ATH11K inside the WCN6855 package (Konrad Dybcio)
* pci/pwrctl:
PCI/pwrctl: Add WCN6855 support
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- Initialize leds class earlier (with an unfortunate Makefile ordering
change) so the PCI NPEM driver can use it (Mariusz Tkaczyk)
- Add Native PCIe Enclosure Management (NPEM) support for sysfs control of
NVMe RAID storage indicators (ok/fail/locate/rebuild/etc) (Mariusz
Tkaczyk)
- Add support for the ACPI _DSM PCIe SSD status LED management, which is
functionally similar to NPEM but mediated by platform firmware (Mariusz
Tkaczyk)
* pci/npem:
PCI/NPEM: Add _DSM PCIe SSD status LED management
PCI/NPEM: Add Native PCIe Enclosure Management support
leds: Init leds class earlier
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- Add function 0 DMA alias quirk for Glenfly Arise audio function, which
uses the function 0 Requester ID (WangYuli)
* pci/iommu:
PCI: Add function 0 DMA alias quirk for Glenfly Arise chip
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- Remove unnecessary hpc_ops struct from shpchp (ngn)
- Check for PCI_POSSIBLE_ERROR(), not 0xffffffff, in cpqphp (weiyufeng)
* pci/hotplug:
PCI: cpqphp: Use PCI_POSSIBLE_ERROR() to check config reads
PCI: shpchp: Remove hpc_ops
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- Clear LBMS bit after a manual link retrain so we don't try to retrain a
link when there's no downstream device anymore (Maciej W. Rozycki)
- Revert to the original link speed after retraining fails instead of
leaving it restricted to 2.5GT/s, so a future device has a chance to use
higher speeds (Maciej W. Rozycki)
- Correct interpretation of pcie_retrain_link() return status and update it
to return 0/errno instead of true/false (Maciej W. Rozycki)
* pci/enumeration:
PCI: Use an error code with PCIe failed link retraining
PCI: Correct error reporting with PCIe failed link retraining
PCI: Revert to the original speed after PCIe failed link retraining
PCI: Clear the LBMS bit after a link retrain
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- Export pcim_request_region(), a managed counterpart of
pci_request_region(), for use by drivers (Philipp Stanner)
- Request the PCI BAR used by xboxvideo (Philipp Stanner)
- Export pcim_iomap_region() and deprecate pcim_iomap_regions() (Philipp
Stanner)
- Request and map drm/ast BARs with pcim_iomap_region() (Philipp Stanner)
* pci/devres:
drm/ast: Request PCI BAR with devres
PCI: Deprecate pcim_iomap_regions() in favor of pcim_iomap_region()
drm/vboxvideo: Add PCI region request
PCI: Make pcim_request_region() a public function
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- Wait for device readiness after reset by polling Vendor ID and looking
for Configuration RRS instead of polling the Command register and looking
for non-error completions (Bjorn Helgaas)
- Fix an aardvark issue with emulating Configuration RRS for two-byte reads
of Vendor ID; previously it only worked for four-byte reads (Bjorn
Helgaas)
- Rename CRS Completion Status to RRS to match spec usage (Bjorn Helgaas)
* pci/crs:
PCI: Rename CRS Completion Status to RRS
PCI: aardvark: Correct Configuration RRS checking
PCI: Wait for device readiness with Configuration RRS
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- Use PCI_DEVID() macro in aer_inject() instead of open-coding it (Jinjie
Ruan)
* pci/aer:
PCI/AER: Use PCI_DEVID() macro in aer_inject()
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Fix typos.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler updates from Ingo Molnar:
- Implement the SCHED_DEADLINE server infrastructure - Daniel Bristot
de Oliveira's last major contribution to the kernel:
"SCHED_DEADLINE servers can help fixing starvation issues of low
priority tasks (e.g., SCHED_OTHER) when higher priority tasks
monopolize CPU cycles. Today we have RT Throttling; DEADLINE
servers should be able to replace and improve that."
(Daniel Bristot de Oliveira, Peter Zijlstra, Joel Fernandes, Youssef
Esmat, Huang Shijie)
- Preparatory changes for sched_ext integration:
- Use set_next_task(.first) where required
- Fix up set_next_task() implementations
- Clean up DL server vs. core sched
- Split up put_prev_task_balance()
- Rework pick_next_task()
- Combine the last put_prev_task() and the first set_next_task()
- Rework dl_server
- Add put_prev_task(.next)
(Peter Zijlstra, with a fix by Tejun Heo)
- Complete the EEVDF transition and refine EEVDF scheduling:
- Implement delayed dequeue
- Allow shorter slices to wakeup-preempt
- Use sched_attr::sched_runtime to set request/slice suggestion
- Document the new feature flags
- Remove unused and duplicate-functionality fields
- Simplify & unify pick_next_task_fair()
- Misc debuggability enhancements
(Peter Zijlstra, with fixes/cleanups by Dietmar Eggemann, Valentin
Schneider and Chuyi Zhou)
- Initialize the vruntime of a new task when it is first enqueued,
resulting in significant decrease in latency of newly woken tasks
(Zhang Qiao)
- Introduce SM_IDLE and an idle re-entry fast-path in __schedule()
(K Prateek Nayak, Peter Zijlstra)
- Clean up and clarify the usage of Clean up usage of rt_task()
(Qais Yousef)
- Preempt SCHED_IDLE entities in strict cgroup hierarchies
(Tianchen Ding)
- Clarify the documentation of time units for deadline scheduler
parameters (Christian Loehle)
- Remove the HZ_BW chicken-bit feature flag introduced a year ago,
the original change seems to be working fine (Phil Auld)
- Misc fixes and cleanups (Chen Yu, Dan Carpenter, Huang Shijie,
Peilin He, Qais Yousefm and Vincent Guittot)
* tag 'sched-core-2024-09-19' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (64 commits)
sched/cpufreq: Use NSEC_PER_MSEC for deadline task
cpufreq/cppc: Use NSEC_PER_MSEC for deadline task
sched/deadline: Clarify nanoseconds in uapi
sched/deadline: Convert schedtool example to chrt
sched/debug: Fix the runnable tasks output
sched: Fix sched_delayed vs sched_core
kernel/sched: Fix util_est accounting for DELAY_DEQUEUE
kthread: Fix task state in kthread worker if being frozen
sched/pelt: Use rq_clock_task() for hw_pressure
sched/fair: Move effective_cpu_util() and effective_cpu_util() in fair.c
sched/core: Introduce SM_IDLE and an idle re-entry fast-path in __schedule()
sched: Add put_prev_task(.next)
sched: Rework dl_server
sched: Combine the last put_prev_task() and the first set_next_task()
sched: Rework pick_next_task()
sched: Split up put_prev_task_balance()
sched: Clean up DL server vs core sched
sched: Fixup set_next_task() implementations
sched: Use set_next_task(.first) where required
sched/fair: Properly deactivate sched_delayed task upon class change
...
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Pull smack updates from Casey Schaufler:
"Two patches: one is a simple indentation correction, the other
corrects a potentially rcu unsafe pointer assignment"
* tag 'Smack-for-6.12' of https://github.com/cschaufler/smack-next:
smackfs: Use rcu_assign_pointer() to ensure safe assignment in smk_set_cipso
security: smack: Fix indentation in smack_netfilter.c
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
"The Aspeed driver tracks the controller's state (stop, pending, start,
etc.). Previously, when the stop command was sent, the state was not
updated. The fix ensures the driver's state is aligned with the device
status.
The Intel SCH driver receives a new look, and among the cleanups,
there is a fix where, due to an oversight, an if/else statement was
missing the else, causing it to move forward instead of exiting the
function in case of an error.
The Qualcomm GENI I2C driver adds the IRQF_NO_AUTOEN flag to the IRQ
setup to prevent unwanted interrupts during probe.
The Xilinx XPS controller fixes TX FIFO handling to avoid missed NAKs.
Another fix ensures the controller is reinitialized when the bus
appears busy"
* tag 'i2c-for-6.11-final-but-missed-it' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: qcom-geni: Use IRQF_NO_AUTOEN flag in request_irq()
i2c: isch: Add missed 'else'
i2c: xiic: Try re-initialization on bus busy timeout
i2c: xiic: Wait for TX empty to avoid missed TX NAKs
i2c: aspeed: Update the stop sw state when the bus recovery occurs
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc hotfixes from Andrew Morton:
"12 hotfixes, 11 of which are cc:stable.
Four fixes for longstanding ocfs2 issues and the remainder address
random MM things"
* tag 'mm-hotfixes-stable-2024-09-19-00-31' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
mm/madvise: process_madvise() drop capability check if same mm
mm/huge_memory: ensure huge_zero_folio won't have large_rmappable flag set
mm/hugetlb.c: fix UAF of vma in hugetlb fault pathway
mm: change vmf_anon_prepare() to __vmf_anon_prepare()
resource: fix region_intersects() vs add_memory_driver_managed()
zsmalloc: use unique zsmalloc caches names
mm/damon/vaddr: protect vma traversal in __damon_va_thre_regions() with rcu read lock
mm: vmscan.c: fix OOM on swap stress test
ocfs2: cancel dqi_sync_work before freeing oinfo
ocfs2: fix possible null-ptr-deref in ocfs2_set_buffer_uptodate
ocfs2: remove unreasonable unlock in ocfs2_read_blocks
ocfs2: fix null-ptr-deref when journal load failed.
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