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For the client requests who will have unsafe and safe replies from
MDS daemons, in the MDS side the MDS daemons won't flush the mdlog
(journal log) immediatelly, because they think it's unnecessary.
That's true for most cases but not all, likes the fsync request.
The fsync will wait until all the unsafe replied requests to be
safely replied.
Normally if there have multiple threads or clients are running, the
whole mdlog in MDS daemons could be flushed in time if any request
will trigger the mdlog submit thread. So usually we won't experience
the normal operations will stuck for a long time. But in case there
has only one client with only thread is running, the stuck phenomenon
maybe obvious and the worst case it must wait at most 5 seconds to
wait the mdlog to be flushed by the MDS's tick thread periodically.
This patch will trigger to flush the mdlog in the relevant and auth
MDSes to which the in-flight requests are sent just before waiting
the unsafe requests to finish.
Signed-off-by: Xiubo Li <xiubli@redhat.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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Signed-off-by: Xiubo Li <xiubli@redhat.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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Signed-off-by: Xiubo Li <xiubli@redhat.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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Signed-off-by: Xiubo Li <xiubli@redhat.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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Signed-off-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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If we hit a decoding error late in the frame, then we might exit the
function without putting the pool_ns string. Ensure that we always put
that reference on the way out of the function.
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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Pull VFIO updates from Alex Williamson:
- Fix dma-valid return WAITED implementation (Anthony Yznaga)
- SPDX license cleanups (Cai Huoqing)
- Split vfio-pci-core from vfio-pci and enhance PCI driver matching to
support future vendor provided vfio-pci variants (Yishai Hadas, Max
Gurtovoy, Jason Gunthorpe)
- Replace duplicated reflck with core support for managing first open,
last close, and device sets (Jason Gunthorpe, Max Gurtovoy, Yishai
Hadas)
- Fix non-modular mdev support and don't nag about request callback
support (Christoph Hellwig)
- Add semaphore to protect instruction intercept handler and replace
open-coded locks in vfio-ap driver (Tony Krowiak)
- Convert vfio-ap to vfio_register_group_dev() API (Jason Gunthorpe)
* tag 'vfio-v5.15-rc1' of git://github.com/awilliam/linux-vfio: (37 commits)
vfio/pci: Introduce vfio_pci_core.ko
vfio: Use kconfig if XX/endif blocks instead of repeating 'depends on'
vfio: Use select for eventfd
PCI / VFIO: Add 'override_only' support for VFIO PCI sub system
PCI: Add 'override_only' field to struct pci_device_id
vfio/pci: Move module parameters to vfio_pci.c
vfio/pci: Move igd initialization to vfio_pci.c
vfio/pci: Split the pci_driver code out of vfio_pci_core.c
vfio/pci: Include vfio header in vfio_pci_core.h
vfio/pci: Rename ops functions to fit core namings
vfio/pci: Rename vfio_pci_device to vfio_pci_core_device
vfio/pci: Rename vfio_pci_private.h to vfio_pci_core.h
vfio/pci: Rename vfio_pci.c to vfio_pci_core.c
vfio/ap_ops: Convert to use vfio_register_group_dev()
s390/vfio-ap: replace open coded locks for VFIO_GROUP_NOTIFY_SET_KVM notification
s390/vfio-ap: r/w lock for PQAP interception handler function pointer
vfio/type1: Fix vfio_find_dma_valid return
vfio-pci/zdev: Remove repeated verbose license text
vfio: platform: reset: Convert to SPDX identifier
vfio: Remove struct vfio_device_ops open/release
...
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The isa_bus_to_virt is only needed under X86 and in fact the code
that sets the ibft_phys_addr is only compiled under X86.
As such lets just ifdef the code.
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Vijayendra Suman <vijayendra.suman@oracle.com>
CC: Maurizio Lombardi <mlombard@redhat.com>
CC: Mike Rapoport <rppt@kernel.org>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
---
v2: Remove the ibft_phys_addr as it is defined in iscsi_ibft.h
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen updates from Juergen Gross:
- some small cleanups
- a fix for a bug when running as Xen PV guest which could result in
not all memory being transferred in case of a migration of the guest
- a small series for getting rid of code for supporting very old Xen
hypervisor versions nobody should be using since many years now
- a series for hardening the Xen block frontend driver
- a fix for Xen PV boot code issuing warning messages due to a stray
preempt_disable() on the non-boot processors
* tag 'for-linus-5.15-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen: remove stray preempt_disable() from PV AP startup code
xen/pcifront: Removed unnecessary __ref annotation
x86: xen: platform-pci-unplug: use pr_err() and pr_warn() instead of raw printk()
drivers/xen/xenbus/xenbus_client.c: fix bugon.cocci warnings
xen/blkfront: don't trust the backend response data blindly
xen/blkfront: don't take local copy of a request from the ring page
xen/blkfront: read response from backend only once
xen: assume XENFEAT_gnttab_map_avail_bits being set for pv guests
xen: assume XENFEAT_mmu_pt_update_preserve_ad being set for pv guests
xen: check required Xen features
xen: fix setting of max_pfn in shared_info
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git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc architecture updates from Helge Deller:
- Fix a kernel crash when a signal is delivered to bad userspace stack
- Fix fall-through warnings in math-emu code
- Increase size of gcc stack frame check
- Switch coding from 'pci_' to 'dma_' API
- Make struct parisc_driver::remove() return void
- Some parisc related Makefile changes
- Minor cleanups, e.g. change to octal permissions, fix macro
collisions, fix PMD_ORDER collision, replace spaces with tabs
* tag 'for-5.15/parisc' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: math-emu: Fix fall-through warnings
parisc: fix crash with signals and alloca
parisc: Fix compile failure when building 64-bit kernel natively
parisc: ccio-dma.c: Added tab instead of spaces
parisc/parport_gsc: switch from 'pci_' to 'dma_' API
parisc: move core-y in arch/parisc/Makefile to arch/parisc/Kbuild
parisc: switch from 'pci_' to 'dma_' API
parisc: Make struct parisc_driver::remove() return void
parisc: remove unused arch/parisc/boot/install.sh and its phony target
parisc: Rename PMD_ORDER to PMD_TABLE_ORDER
parisc: math-emu: Avoid "fmt" macro collision
parisc: Increase size of gcc stack frame check
parisc: Replace symbolic permissions with octal permissions
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Pull Xtensa updates from Max Filippov:
- fix kconfig unmet dependency warning for HAVE_FUTEX_CMPXCHG
- add fairness to handling IRQs of the same priority
- fix pointer usage before NULL check in ISS console driver
- build system cleanups
* tag 'xtensa-20210902' of git://github.com/jcmvbkbc/linux-xtensa:
xtensa: move core-y in arch/xtensa/Makefile to arch/xtensa/Kbuild
xtensa: build platform directories unconditionally
xtensa: do not build variants directory
xtensa: remove unneeded exports
xtensa: ISS: don't use string pointer before NULL check
xtensa: add fairness to IRQ handling
xtensa: fix kconfig unmet dependency warning for HAVE_FUTEX_CMPXCHG
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull memory model updates from Ingo Molnar:
"LKMM updates:
- Update documentation and code example
KCSAN updates:
- Introduce CONFIG_KCSAN_STRICT (which RCU uses)
- Optimize use of get_ctx() by kcsan_found_watchpoint()
- Rework atomic.h into permissive.h
- Add the ability to ignore writes that change only one bit of a
given data-racy variable.
- Improve comments"
* tag 'locking-debug-2021-09-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
tools/memory-model: Document data_race(READ_ONCE())
tools/memory-model: Heuristics using data_race() must handle all values
tools/memory-model: Add example for heuristic lockless reads
tools/memory-model: Make read_foo_diagnostic() more clearly diagnostic
kcsan: Make strict mode imply interruptible watchers
kcsan: permissive: Ignore data-racy 1-bit value changes
kcsan: Print if strict or non-strict during init
kcsan: Rework atomic.h into permissive.h
kcsan: Reduce get_ctx() uses in kcsan_found_watchpoint()
kcsan: Introduce CONFIG_KCSAN_STRICT
kcsan: Remove CONFIG_KCSAN_DEBUG
kcsan: Improve some Kconfig comments
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- Zero-initialize pcitest param to avoid random "-d" setting (Shunyong
Yang)
* remotes/lorenzo/pci/tools:
tools: PCI: Zero-initialize param
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- Make ixp4xx driver depend on ARCH_IXP4XX (Geert Uytterhoeven)
* remotes/lorenzo/pci/misc:
PCI: controller: PCI_IXP4XX should depend on ARCH_IXP4XX
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- Add max-virtual-functions to endpoint binding (Kishon Vijay Abraham I)
- Add pci_epf_add_vepf() API to add virtual function to endpoint (Kishon
Vijay Abraham I)
- Add pci_epf_vepf_link() to link virtual function to endpoint physical
function (Kishon Vijay Abraham I)
- Add virtual function number to pci_epc_ops endpoint ops interfaces
(Kishon Vijay Abraham I)
- Simplify register base address computation for endpoint BAR configuration
(Kishon Vijay Abraham I)
- Add support to configure virtual functions in cadence endpoint driver
(Kishon Vijay Abraham I)
- Add SR-IOV configuration to endpoint test driver (Kishon Vijay Abraham I)
- Document configfs usage to create virtual functions for endpoints (Kishon
Vijay Abraham I)
* remotes/lorenzo/pci/endpoint:
Documentation: PCI: endpoint/pci-endpoint-cfs: Guide to use SR-IOV
misc: pci_endpoint_test: Populate sriov_configure ops to configure SR-IOV device
PCI: cadence: Add support to configure virtual functions
PCI: cadence: Simplify code to get register base address for configuring BAR
PCI: endpoint: Add virtual function number in pci_epc ops
PCI: endpoint: Add support to link a physical function to a virtual function
PCI: endpoint: Add support to add virtual function in endpoint core
dt-bindings: PCI: pci-ep: Add binding to specify virtual function
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- Document optional clock DT property (Michal Simek)
- Enable PCIe ref clock (Hyun Kwon)
* remotes/lorenzo/pci/xilinx-nwl:
PCI: xilinx-nwl: Enable the clock through CCF
dt-bindings: pci: xilinx-nwl: Document optional clock property
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- Remove redundant dev_err() after devm_ioremap_resource() (ErKun Yang)
* remotes/lorenzo/pci/xgene:
PCI: xgene-msi: Remove redundant dev_err() call in xgene_msi_probe()
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- Fix handling BME_CHGED event (Om Prakash Singh)
- Fix MSI-X programming (Om Prakash Singh)
- Disable interrupts before entering L2 (Om Prakash Singh)
- Don't allow suspend when Tegra PCIe is in EP mode (Om Prakash Singh)
* remotes/lorenzo/pci/tegra194:
PCI: tegra194: Cleanup unused code
PCI: tegra194: Don't allow suspend when Tegra PCIe is in EP mode
PCI: tegra194: Disable interrupts before entering L2
PCI: tegra194: Fix MSI-X programming
PCI: tegra194: Fix handling BME_CHGED event
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- Remove unused struct tegra_pcie_bus (Krzysztof Wilczyński)
* remotes/lorenzo/pci/tegra:
PCI: tegra: make const array err_msg static
PCI: tegra: Use 'seq_puts' instead of 'seq_printf'
PCI: tegra: Fix OF node reference leak
PCI: tegra: Remove unused struct tegra_pcie_bus
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- Fix runtime PM imbalance in rcar_pcie_ep_probe() (Dinghao Liu)
* remotes/lorenzo/pci/rcar:
PCI: rcar: Add L1 link state fix into data abort hook
PCI: rcar: Fix runtime PM imbalance in rcar_pcie_ep_probe()
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- Split DT bindings for PCIe controllers with independent MSI domains into
separate nodes for MT2712/MT7622 (Chuanjia Liu)
- Locate shared registers from "mediatek,generic-pciecfg" property
(Chuanjia Liu)
- Get IRQ from "pcie_irq" if "interrupt-names" property is present to fix
an MSI issue (Chuanjia Liu)
- Get PCI domain from "linux,pci-domain" property if present (Chuanjia Liu)
* remotes/lorenzo/pci/mediatek:
PCI: mediatek: Use PCI domain to handle ports detection
PCI: mediatek: Add new method to get irq number
PCI: mediatek: Add new method to get shared pcie-cfg base address
dt-bindings: PCI: mediatek: Update the Device tree bindings
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- Add Intel Keem Bay PCIe controller driver and DT binding (Srikanth
Thokala)
* remotes/lorenzo/pci/keembay:
PCI: keembay: Add support for Intel Keem Bay
dt-bindings: PCI: Add Intel Keem Bay PCIe controller
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- Don't fail devm_pci_alloc_host_bridge() on missing 'ranges' (Rob Herring)
- Fix BCMA probe resource handling (Rob Herring)
* remotes/lorenzo/pci/iproc:
PCI: iproc: Fix BCMA probe resource handling
PCI: of: Don't fail devm_pci_alloc_host_bridge() on missing 'ranges'
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- Add domain_nr in struct pci_host_bridge (Boqun Feng)
- Use host bridge MSI domain for root buses if present (Boqun Feng)
- Allow ARM64 virtual host bridge with no ACPI companion (e.g., Hyper-V)
(Boqun Feng)
- Make Hyper-V enumeration more generic (Arnd Bergmann)
- Set Hyper-V domain_nr at probe-time (Boqun Feng)
- Set up Hyper-V MSI domain at bridge probe-time (Boqun Feng)
- Enable Hyper-V bridge probing on ARM64 (Boqun Feng)
* remotes/lorenzo/pci/hyper-v:
PCI: hv: Turn on the host bridge probing on ARM64
PCI: hv: Set up MSI domain at bridge probing time
PCI: hv: Set ->domain_nr of pci_host_bridge at probing time
PCI: hv: Generify PCI probing
arm64: PCI: Support root bridge preparation for Hyper-V
arm64: PCI: Restructure pcibios_root_bridge_prepare()
PCI: Support populating MSI domains of root buses via bridges
PCI: Introduce domain_nr in pci_host_bridge
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- Support Hyper-V Create Interrupt v3 message (Sunil Muthuswamy)
* remotes/lorenzo/pci/hv:
PCI: hv: Support for create interrupt v3
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- Convert bool in structs to bitfield (Kishon Vijay Abraham I)
- Work around J7200 non-PCIe SERDES lane electrical issue that prevents
PCIe link training (Nadeem Athani)
- Add J7200 PCIe support to j721e (Kishon Vijay Abraham I)
- Add AM64 PCIe support to j721e (Kishon Vijay Abraham I)
- Add J7200 and AM64 device IDs to endpoint test (Kishon Vijay Abraham I)
* remotes/lorenzo/pci/cadence:
misc: pci_endpoint_test: Add deviceID for AM64 and J7200
PCI: j721e: Add PCIe support for AM64
PCI: j721e: Add PCIe support for J7200
PCI: cadence: Add quirk flag to set minimum delay in LTSSM Detect.Quiet state
PCI: cadence: Use bitfield for *quirk_retrain_flag* instead of bool
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- Fix PIO config access status checking (Evan Wang)
- Increase config access polling delay to 1.5s (Pali Rohár)
- Add PCIe Root Capabilities to bridge emulation (Pali Rohár)
- Report Config Request Retry Status when Software Visibility enabled (Pali
Rohár)
- Add back configuration of PCIe resources from 'ranges' DT property and
pay attention to DT size and CPU/PCI offset to fix issues with I/O port
space (Pali Rohár)
- Serialize masking and unmasking legacy INTx interrupts (Pali Rohár)
* remotes/lorenzo/pci/aardvark:
PCI: aardvark: Fix masking and unmasking legacy INTx interrupts
PCI: aardvark: Configure PCIe resources from 'ranges' DT property
PCI: aardvark: Fix reporting CRS value
PCI: pci-bridge-emul: Add PCIe Root Capabilities Register
PCI: aardvark: Increase polling delay to 1.5s while waiting for PIO response
PCI: aardvark: Fix checking for PIO status
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- Add Toshiba Visconti PCIe host controller driver (Nobuhiro Iwamatsu)
* pci/visconti:
MAINTAINERS: Add entries for Toshiba Visconti PCIe controller
PCI: visconti: Add Toshiba Visconti PCIe host controller driver
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- Add Rockchip RK356X host controller driver (Simon Xue)
* pci/rockchip-dwc:
PCI: rockchip-dwc: Add Rockchip RK356X host controller driver
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- Remove surplus break statement (Krzysztof Wilczyński)
* pci/dwc:
PCI: dwc: Remove surplus break statement after return
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- Remove surplus break statement and local code block (Krzysztof
Wilczyński)
* pci/artpec6:
PCI: artpec6: Remove local code block from switch statement
PCI: artpec6: Remove surplus break statement after return
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- Add pci_numachip_init() declaration (Krzysztof Wilczyński)
- Allocate pci_dev_str_match_path() string atomically (Dan Carpenter)
- Drop error message when Precision Time Measurement supported but not
enabled (Jakub Kicinski)
- Correct the pci_iomap.h header guard #endif comment (Jonathan Cameron)
- Add schedule point in proc_bus_pci_read() (Krzysztof Wilczyński)
- Make saved capability state private to core (Bjorn Helgaas)
- Sync __pci_register_driver() stub for CONFIG_PCI=n (Andy Shevchenko)
- Convert sta2x11 from PCI-DMA-API to generic DMA-API (Christophe JAILLET)
* pci/misc:
x86/PCI: sta2x11: switch from 'pci_' to 'dma_' API
PCI: Sync __pci_register_driver() stub for CONFIG_PCI=n
PCI: Make saved capability state private to core
PCI: Add schedule point in proc_bus_pci_read()
PCI: Correct the pci_iomap.h header guard #endif comment
PCI/PTM: Remove error message at boot
PCI: Fix pci_dev_str_match_path() alloc while atomic bug
x86/PCI: Add pci_numachip_init() declaration
# Conflicts:
# include/linux/pci.h
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- Check Resource Item Names against those defined for type (Bjorn Helgaas)
- Treat initial 0xff as missing EEPROM (Heiner Kallweit)
- Reject resource tags with invalid size (Bjorn Helgaas)
- Don't check Large Resource Item Names for validity (Bjorn Helgaas)
- Allow access to valid parts of VPD if some is invalid (Bjorn Helgaas)
- Remove pci_vpd_size() old_size argument (Heiner Kallweit)
- Make pci_vpd_wait() uninterruptible (Heiner Kallweit)
- Remove struct pci_vpd.flag (Heiner Kallweit)
- Remove struct pci_vpd_ops (Heiner Kallweit)
- Remove struct pci_vpd.valid member (Heiner Kallweit)
- Embed struct pci_vpd in struct pci_dev (Heiner Kallweit)
- Determine VPD size in pci_vpd_init() (Heiner Kallweit)
- Treat invalid VPD like missing VPD capability (Heiner Kallweit)
- Add pci_vpd_alloc() to allocate buffer and read VPD into it (Heiner
Kallweit)
- Add pci_vpd_find_ro_info_keyword() (Heiner Kallweit)
- Add pci_vpd_check_csum() (Heiner Kallweit)
- Add pci_vpd_find_id_string() (Heiner Kallweit)
- Read VPD with pci_vpd_alloc() (bnx2x, bnxt, sfc, sfc falcon, tg3 drivers)
(Heiner Kallweit)
- Search VPD with pci_vpd_find_ro_info_keyword() (bnx2, bnx2x, bnxt, cxgb4,
cxlflash SCSI, sfc, sfc falcon, tg3 drivers) (Heiner Kallweit)
- Search VPD with pci_vpd_find_id_string() (cxgb4 driver) (Heiner Kallweit)
- Validate VPD checksum with pci_vpd_check_csum() (cxgb4, tg3 drivers)
(Heiner Kallweit)
- Replace open-coded byte swapping with swab32s() in bnx2 (Heiner Kallweit)
- Remove unused vpd_param member ec (Heiner Kallweit)
- Stop exporting pci_vpd_find_tag(), pci_vpd_find_info_keyword() (Heiner
Kallweit)
- Move several VPD defines and inlines to internal PCI core (Heiner
Kallweit)
* pci/vpd:
PCI/VPD: Use unaligned access helpers
PCI/VPD: Clean up public VPD defines and inline functions
cxgb4: Use pci_vpd_find_id_string() to find VPD ID string
PCI/VPD: Add pci_vpd_find_id_string()
PCI/VPD: Include post-processing in pci_vpd_find_tag()
PCI/VPD: Stop exporting pci_vpd_find_info_keyword()
PCI/VPD: Stop exporting pci_vpd_find_tag()
scsi: cxlflash: Search VPD with pci_vpd_find_ro_info_keyword()
cxgb4: Search VPD with pci_vpd_find_ro_info_keyword()
cxgb4: Remove unused vpd_param member ec
cxgb4: Validate VPD checksum with pci_vpd_check_csum()
bnxt: Search VPD with pci_vpd_find_ro_info_keyword()
bnxt: Read VPD with pci_vpd_alloc()
bnx2x: Search VPD with pci_vpd_find_ro_info_keyword()
bnx2x: Read VPD with pci_vpd_alloc()
bnx2: Replace open-coded byte swapping with swab32s()
bnx2: Search VPD with pci_vpd_find_ro_info_keyword()
sfc: falcon: Search VPD with pci_vpd_find_ro_info_keyword()
sfc: falcon: Read VPD with pci_vpd_alloc()
tg3: Search VPD with pci_vpd_find_ro_info_keyword()
tg3: Validate VPD checksum with pci_vpd_check_csum()
tg3: Read VPD with pci_vpd_alloc()
sfc: Search VPD with pci_vpd_find_ro_info_keyword()
sfc: Read VPD with pci_vpd_alloc()
PCI/VPD: Add pci_vpd_check_csum()
PCI/VPD: Add pci_vpd_find_ro_info_keyword()
PCI/VPD: Add pci_vpd_alloc()
PCI/VPD: Treat invalid VPD like missing VPD capability
PCI/VPD: Determine VPD size in pci_vpd_init()
PCI/VPD: Embed struct pci_vpd in struct pci_dev
PCI/VPD: Remove struct pci_vpd.valid member
PCI/VPD: Remove struct pci_vpd_ops
PCI/VPD: Reorder pci_read_vpd(), pci_write_vpd()
PCI/VPD: Remove struct pci_vpd.flag
PCI/VPD: Make pci_vpd_wait() uninterruptible
PCI/VPD: Remove pci_vpd_size() old_size argument
PCI/VPD: Allow access to valid parts of VPD if some is invalid
PCI/VPD: Don't check Large Resource Item Names for validity
PCI/VPD: Reject resource tags with invalid size
PCI/VPD: Treat initial 0xff as missing EEPROM
PCI/VPD: Check Resource Item Names against those valid for type
PCI/VPD: Correct diagnostic for VPD read failure
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- Add ACS quirks for NXP LX2xx0 and LX2xx2 platforms (Wasim Khan)
- Add ACS quirks for Cavium multi-function devices (George Cherian)
- Enforce pci=noats with Transaction Blocking (Alex Williamson)
* pci/virtualization:
PCI/ACS: Enforce pci=noats with Transaction Blocking
PCI: Add ACS quirks for Cavium multi-function devices
PCI: Add ACS quirks for NXP LX2xx0 and LX2xx2 platforms
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- Refactor pci_ioremap_bar() and pci_ioremap_wc_bar() (Krzysztof
Wilczyński)
- Optimize pci_resource_len() to reduce kernel size (Zhen Lei)
* pci/resource:
PCI: Optimize pci_resource_len() to reduce kernel size
PCI: Refactor pci_ioremap_bar() and pci_ioremap_wc_bar()
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- Cache PCIe Device Capabilities register (Amey Narkhede)
- Add pcie_reset_flr() with 'probe' argument (Amey Narkhede)
- Add pdev->reset_methods[] array to track reset method ordering (Amey
Narkhede)
- Remove reset_fn field from pci_dev (Amey Narkhede)
- Add sysfs interface to query and set device reset mechanism (Amey
Narkhede)
- Add pci_set_acpi_fwnode() to set ACPI_COMPANION (Shanker Donthineni)
- Use acpi_pci_power_manageable() instead of duplicating logic (Shanker
Donthineni)
- Set ACPI fwnode early and at the same time with OF (Shanker Donthineni)
- Add support for ACPI _RST reset method (Shanker Donthineni)
- Change reset function 'probe' argument to bool (Amey Narkhede)
* pci/reset:
PCI: Change the type of probe argument in reset functions
PCI: Add support for ACPI _RST reset method
PCI: Setup ACPI fwnode early and at the same time with OF
PCI: Use acpi_pci_power_manageable()
PCI: Add pci_set_acpi_fwnode() to set ACPI_COMPANION
PCI: Allow userspace to query and set device reset mechanism
PCI: Remove reset_fn field from pci_dev
PCI: Add array to track reset method ordering
PCI: Add pcie_reset_flr() with 'probe' argument
PCI: Cache PCIe Device Capabilities register
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- Enable Bandwidth Notification only if port supports it (Stuart Hayes)
* pci/portdrv:
PCI/portdrv: Enable Bandwidth Notification only if port supports it
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- Convert irq_find_mapping() + generic_handle_irq() to
generic_handle_domain_irq() (Marc Zyngier)
* pci/irq:
PCI: Bulk conversion to generic_handle_domain_irq()
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- Allow PASID on fake PCIe devices, e.g., HiSilicon KunPeng920 and
KunPeng930 AMBA devices, without TLP prefixes (Zhangfei Gao)
- Allow SVA / dma-can-stall on fake PCIe devices (Zhangfei Gao)
* pci/iommu:
PCI: Set dma-can-stall for HiSilicon chips
PCI: Allow PASID on fake PCIe devices without TLP prefixes
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- Fix ibmphp double unmap of io_mem (Vishal Aslot)
* pci/hotplug:
PCI: ibmphp: Fix double unmap of io_mem
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- Call Max Payload Size-related fixup quirks early, so they're considered
by pci_configure_mps() (Marek Behún)
- Restrict Max Payload Size Supported to work around ASMedia ASM1062 SATA
erratum (Marek Behún)
- Return ~0 data on pciconfig_read() CAP_SYS_ADMIN failure (Krzysztof
Wilczyński)
* pci/enumeration:
PCI: Return int from pciconfig_read() syscall
PCI: Return ~0 data on pciconfig_read() CAP_SYS_ADMIN failure
PCI: Restrict ASMedia ASM1062 SATA Max Payload Size Supported
PCI: Call Max Payload Size-related fixup quirks early
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git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity
Pull integrity subsystem updates from Mimi Zohar:
- Limit the allowed hash algorithms when writing security.ima xattrs or
verifying them, based on the IMA policy and the configured hash
algorithms.
- Return the calculated "critical data" measurement hash and size to
avoid code duplication. (Preparatory change for a proposed LSM.)
- and a single patch to address a compiler warning.
* tag 'integrity-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity:
IMA: reject unknown hash algorithms in ima_get_hash_algo
IMA: prevent SETXATTR_CHECK policy rules with unavailable algorithms
IMA: introduce a new policy option func=SETXATTR_CHECK
IMA: add a policy option to restrict xattr hash algorithms on appraisal
IMA: add support to restrict the hash algorithms used for file appraisal
IMA: block writes of the security.ima xattr with unsupported algorithms
IMA: remove the dependency on CRYPTO_MD5
ima: Add digest and digest_len params to the functions to measure a buffer
ima: Return int in the functions to measure a buffer
ima: Introduce ima_get_current_hash_algo()
IMA: remove -Wmissing-prototypes warning
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git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull hardening updates from Kees Cook:
- Expand lib/test_stackinit to include more initialization styles
- Improve Kconfig for CLang's auto-var-init feature
- Introduce support for GCC's zero-call-used-regs feature
* tag 'hardening-v5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
lib/test_stackinit: Add assigned initializers
lib/test_stackinit: Allow building stand-alone
lib/test_stackinit: Fix static initializer test
hardening: Clarify Kconfig text for auto-var-init
hardening: Introduce CONFIG_ZERO_CALL_USED_REGS
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git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull KUnit updates from Shuah Khan:
"This KUnit update for Linux 5.15-rc1 adds new features and tests:
Tool:
- support for '--kernel_args' to allow setting module params
- support for '--raw_output' option to show just the kunit output
during make
Tests:
- new KUnit tests for checksums and timestamps
- Print test statistics on failure
- Integrates UBSAN into the KUnit testing framework. It fails KUnit
tests whenever it reports undefined behavior"
* tag 'linux-kselftest-kunit-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
kunit: Print test statistics on failure
kunit: tool: make --raw_output support only showing kunit output
kunit: tool: add --kernel_args to allow setting module params
kunit: ubsan integration
fat: Add KUnit tests for checksums and timestamps
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git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock
Pull memblock updates from Mike Rapoport:
"Robustness and debug improvements:
- add check for memory add/cap ordering
- add missing debug code to memblock_add_node()"
* tag 'memblock-v5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock:
memblock: Check memory add/cap ordering
memblock: Add missing debug code to memblock_add_node()
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Pull dma-mapping updates from Christoph Hellwig:
- fix debugfs initialization order (Anthony Iliopoulos)
- use memory_intersects() directly (Kefeng Wang)
- allow to return specific errors from ->map_sg (Logan Gunthorpe,
Martin Oliveira)
- turn the dma_map_sg return value into an unsigned int (me)
- provide a common global coherent pool іmplementation (me)
* tag 'dma-mapping-5.15' of git://git.infradead.org/users/hch/dma-mapping: (31 commits)
hexagon: use the generic global coherent pool
dma-mapping: make the global coherent pool conditional
dma-mapping: add a dma_init_global_coherent helper
dma-mapping: simplify dma_init_coherent_memory
dma-mapping: allow using the global coherent pool for !ARM
ARM/nommu: use the generic dma-direct code for non-coherent devices
dma-direct: add support for dma_coherent_default_memory
dma-mapping: return an unsigned int from dma_map_sg{,_attrs}
dma-mapping: disallow .map_sg operations from returning zero on error
dma-mapping: return error code from dma_dummy_map_sg()
x86/amd_gart: don't set failed sg dma_address to DMA_MAPPING_ERROR
x86/amd_gart: return error code from gart_map_sg()
xen: swiotlb: return error code from xen_swiotlb_map_sg()
parisc: return error code from .map_sg() ops
sparc/iommu: don't set failed sg dma_address to DMA_MAPPING_ERROR
sparc/iommu: return error codes from .map_sg() ops
s390/pci: don't set failed sg dma_address to DMA_MAPPING_ERROR
s390/pci: return error code from s390_dma_map_sg()
powerpc/iommu: don't set failed sg dma_address to DMA_MAPPING_ERROR
powerpc/iommu: return error code from .map_sg() ops
...
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Pull configfs updates from Christoph Hellwig:
- fix a race in configfs_lookup (Sishuai Gong)
- minor cleanups (me)
* tag 'configfs-5.15' of git://git.infradead.org/users/hch/configfs:
configfs: fix a race in configfs_lookup()
configfs: fold configfs_attach_attr into configfs_lookup
configfs: simplify the configfs_dirent_is_ready
configfs: return -ENAMETOOLONG earlier in configfs_lookup
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git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm
Pull dlm updates from David Teigland:
"This set includes a number of minor fixes and cleanups related to the
networking changes in the last release.
A patch to delay ack messages reduces network traffic significantly"
* tag 'dlm-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm:
fs: dlm: avoid comms shutdown delay in release_lockspace
fs: dlm: fix return -EINTR on recovery stopped
fs: dlm: implement delayed ack handling
fs: dlm: move receive loop into receive handler
fs: dlm: fix multiple empty writequeue alloc
fs: dlm: generic connect func
fs: dlm: auto load sctp module
fs: dlm: introduce generic listen
fs: dlm: move to static proto ops
fs: dlm: introduce con_next_wq helper
fs: dlm: cleanup and remove _send_rcom
fs: dlm: clear CF_APP_LIMITED on close
fs: dlm: fix typo in tlv prefix
fs: dlm: use READ_ONCE for config var
fs: dlm: use sk->sk_socket instead of con->sock
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If a task is queueing async work and also handling signals, then we can
run into the case where create_io_thread() is interrupted and returns
failure because of that. If this happens for creating the first worker
in a group, then that worker will never get created and we can hang the
ring.
If we do get a fork failure, retry from task_work. With signals we have
to be a bit careful as we cannot simply queue as task_work, as we'll
still have signals pending at that point. Punt over a normal workqueue
first and then create from task_work after that.
Lastly, ensure that we handle fatal worker creations. Worker creation
failures are normally not fatal, only if we fail to create one in an empty
worker group can we not make progress. Right now that is ignored, ensure
that we handle that and run cancel on the work item.
There are two paths that create new workers - one is the "existing worker
going to sleep", and the other is "no workers found for this work, create
one". The former is never fatal, as workers do exist in the group. Only
the latter needs to be carefully handled.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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It makes the logic easier to follow if we just get rid of the fixed worker
flag, and simply ensure that we never exit the last worker in the group.
This also means that no particular worker is special.
Just track the last timeout state, and if we have hit it and no work
is pending, check if there are other workers. If yes, then we can exit
this one safely.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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