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5615 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
|
500a434fc5 |
Driver core changes for 5.19-rc1
Here is the set of driver core changes for 5.19-rc1.
Note, I'm not really happy with this pull request as-is, see below for
details, but overall this is all good for everything but a small set of
systems, which we have a fix for already.
Lots of tiny driver core changes and cleanups happened this cycle,
but the two major things were:
- firmware_loader reorganization and additions including the
ability to have XZ compressed firmware images and the ability
for userspace to initiate the firmware load when it needs to,
instead of being always initiated by the kernel. FPGA devices
specifically want this ability to have their firmware changed
over the lifetime of the system boot, and this allows them to
work without having to come up with yet-another-custom-uapi
interface for loading firmware for them.
- physical location support added to sysfs so that devices that
know this information, can tell userspace where they are
located in a common way. Some ACPI devices already support
this today, and more bus types should support this in the
future.
Smaller changes included:
- driver_override api cleanups and fixes
- error path cleanups and fixes
- get_abi script fixes
- deferred probe timeout changes.
It's that last change that I'm the most worried about. It has been
reported to cause boot problems for a number of systems, and I have a
tested patch series that resolves this issue. But I didn't get it
merged into my tree before 5.18-final came out, so it has not gotten any
linux-next testing.
I'll send the fixup patches (there are 2) as a follow-on series to this
pull request if you want to take them directly, _OR_ I can just revert
the probe timeout changes and they can wait for the next -rc1 merge
cycle. Given that the fixes are tested, and pretty simple, I'm leaning
toward that choice. Sorry this all came at the end of the merge window,
I should have resolved this all 2 weeks ago, that's my fault as it was
in the middle of some travel for me.
All have been tested in linux-next for weeks, with no reported issues
other than the above-mentioned boot time outs.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH:
"Here is the set of driver core changes for 5.19-rc1.
Lots of tiny driver core changes and cleanups happened this cycle, but
the two major things are:
- firmware_loader reorganization and additions including the ability
to have XZ compressed firmware images and the ability for userspace
to initiate the firmware load when it needs to, instead of being
always initiated by the kernel. FPGA devices specifically want this
ability to have their firmware changed over the lifetime of the
system boot, and this allows them to work without having to come up
with yet-another-custom-uapi interface for loading firmware for
them.
- physical location support added to sysfs so that devices that know
this information, can tell userspace where they are located in a
common way. Some ACPI devices already support this today, and more
bus types should support this in the future.
Smaller changes include:
- driver_override api cleanups and fixes
- error path cleanups and fixes
- get_abi script fixes
- deferred probe timeout changes.
It's that last change that I'm the most worried about. It has been
reported to cause boot problems for a number of systems, and I have a
tested patch series that resolves this issue. But I didn't get it
merged into my tree before 5.18-final came out, so it has not gotten
any linux-next testing.
I'll send the fixup patches (there are 2) as a follow-on series to this
pull request.
All have been tested in linux-next for weeks, with no reported issues
other than the above-mentioned boot time-outs"
* tag 'driver-core-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (55 commits)
driver core: fix deadlock in __device_attach
kernfs: Separate kernfs_pr_cont_buf and rename_lock.
topology: Remove unused cpu_cluster_mask()
driver core: Extend deferred probe timeout on driver registration
MAINTAINERS: add Russ Weight as a firmware loader maintainer
driver: base: fix UAF when driver_attach failed
test_firmware: fix end of loop test in upload_read_show()
driver core: location: Add "back" as a possible output for panel
driver core: location: Free struct acpi_pld_info *pld
driver core: Add "*" wildcard support to driver_async_probe cmdline param
driver core: location: Check for allocations failure
arch_topology: Trace the update thermal pressure
kernfs: Rename kernfs_put_open_node to kernfs_unlink_open_file.
export: fix string handling of namespace in EXPORT_SYMBOL_NS
rpmsg: use local 'dev' variable
rpmsg: Fix calling device_lock() on non-initialized device
firmware_loader: describe 'module' parameter of firmware_upload_register()
firmware_loader: Move definitions from sysfs_upload.h to sysfs.h
firmware_loader: Fix configs for sysfs split
selftests: firmware: Add firmware upload selftests
...
|
||
|
Linus Torvalds
|
6e5f6a8691 |
vhost,virtio,vdpa: features, fixes, cleanups
mac vlan filter and stats support in mlx5 vdpa irq hardening in virtio performance improvements in virtio crypto polling i/o support in virtio blk ASID support in vhost fixes, cleanups all over the place Signed-off-by: Michael S. Tsirkin <mst@redhat.com> -----BEGIN PGP SIGNATURE----- iQFDBAABCAAtFiEEXQn9CHHI+FuUyooNKB8NuNKNVGkFAmKXBEwPHG1zdEByZWRo YXQuY29tAAoJECgfDbjSjVRp9pgIAJKdLbtrqDdDrPJRg5Xs2wsWMbGnXbKxm71Q kGPfnkn15yjwiMJcdNO8O16qP5VGUzBWPhGc3X7U9KRU4EI2yEGLFv9hwRvdlY9h 4C7O4fBWTbuqTT6pwwAH9vT3/b6q8bMh4D3uD2P1zSwh8POqHm1kyRivXPPr4PUA 5TAc04EGcrFQpC9co3v8UmJ7EjLa/tgdUb7igTv5VHi7K2GNGMycSvHP/v7CFgZ6 paVYThMCrWOJkIIk8k6qhMKhAxkQ7lBrqhLBtfX9jyadLmq5hAQQu2D43PoZb2ed IbNN/g5Sv9yaL7ERYzTRAEfuXVGPiDLWli2C5sHdz2IJDBeqQeU= =Vlh6 -----END PGP SIGNATURE----- Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost Pull virtio updates from Michael Tsirkin: "vhost,virtio and vdpa features, fixes, and cleanups: - mac vlan filter and stats support in mlx5 vdpa - irq hardening in virtio - performance improvements in virtio crypto - polling i/o support in virtio blk - ASID support in vhost - fixes, cleanups all over the place" * tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (64 commits) vdpa: ifcvf: set pci driver data in probe vdpa/mlx5: Add RX MAC VLAN filter support vdpa/mlx5: Remove flow counter from steering vhost: rename vhost_work_dev_flush vhost-test: drop flush after vhost_dev_cleanup vhost-scsi: drop flush after vhost_dev_cleanup vhost_vsock: simplify vhost_vsock_flush() vhost_test: remove vhost_test_flush_vq() vhost_net: get rid of vhost_net_flush_vq() and extra flush calls vhost: flush dev once during vhost_dev_stop vhost: get rid of vhost_poll_flush() wrapper vhost-vdpa: return -EFAULT on copy_to_user() failure vdpasim: Off by one in vdpasim_set_group_asid() virtio: Directly use ida_alloc()/free() virtio: use WARN_ON() to warning illegal status value virtio: harden vring IRQ virtio: allow to unbreak virtqueue virtio-ccw: implement synchronize_cbs() virtio-mmio: implement synchronize_cbs() virtio-pci: implement synchronize_cbs() ... |
||
|
Linus Torvalds
|
176882156a |
VFIO updates for v5.19-rc1
- Improvements to mlx5 vfio-pci variant driver, including support
for parallel migration per PF (Yishai Hadas)
- Remove redundant iommu_present() check (Robin Murphy)
- Ongoing refactoring to consolidate the VFIO driver facing API
to use vfio_device (Jason Gunthorpe)
- Use drvdata to store vfio_device among all vfio-pci and variant
drivers (Jason Gunthorpe)
- Remove redundant code now that IOMMU core manages group DMA
ownership (Jason Gunthorpe)
- Remove vfio_group from external API handling struct file ownership
(Jason Gunthorpe)
- Correct typo in uapi comments (Thomas Huth)
- Fix coccicheck detected deadlock (Wan Jiabing)
- Use rwsem to remove races and simplify code around container and
kvm association to groups (Jason Gunthorpe)
- Harden access to devices in low power states and use runtime PM to
enable d3cold support for unused devices (Abhishek Sahu)
- Fix dma_owner handling of fake IOMMU groups (Jason Gunthorpe)
- Set driver_managed_dma on vfio-pci variant drivers (Jason Gunthorpe)
- Pass KVM pointer directly rather than via notifier (Matthew Rosato)
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Merge tag 'vfio-v5.19-rc1' of https://github.com/awilliam/linux-vfio
Pull vfio updates from Alex Williamson:
- Improvements to mlx5 vfio-pci variant driver, including support for
parallel migration per PF (Yishai Hadas)
- Remove redundant iommu_present() check (Robin Murphy)
- Ongoing refactoring to consolidate the VFIO driver facing API to use
vfio_device (Jason Gunthorpe)
- Use drvdata to store vfio_device among all vfio-pci and variant
drivers (Jason Gunthorpe)
- Remove redundant code now that IOMMU core manages group DMA ownership
(Jason Gunthorpe)
- Remove vfio_group from external API handling struct file ownership
(Jason Gunthorpe)
- Correct typo in uapi comments (Thomas Huth)
- Fix coccicheck detected deadlock (Wan Jiabing)
- Use rwsem to remove races and simplify code around container and kvm
association to groups (Jason Gunthorpe)
- Harden access to devices in low power states and use runtime PM to
enable d3cold support for unused devices (Abhishek Sahu)
- Fix dma_owner handling of fake IOMMU groups (Jason Gunthorpe)
- Set driver_managed_dma on vfio-pci variant drivers (Jason Gunthorpe)
- Pass KVM pointer directly rather than via notifier (Matthew Rosato)
* tag 'vfio-v5.19-rc1' of https://github.com/awilliam/linux-vfio: (38 commits)
vfio: remove VFIO_GROUP_NOTIFY_SET_KVM
vfio/pci: Add driver_managed_dma to the new vfio_pci drivers
vfio: Do not manipulate iommu dma_owner for fake iommu groups
vfio/pci: Move the unused device into low power state with runtime PM
vfio/pci: Virtualize PME related registers bits and initialize to zero
vfio/pci: Change the PF power state to D0 before enabling VFs
vfio/pci: Invalidate mmaps and block the access in D3hot power state
vfio: Change struct vfio_group::container_users to a non-atomic int
vfio: Simplify the life cycle of the group FD
vfio: Fully lock struct vfio_group::container
vfio: Split up vfio_group_get_device_fd()
vfio: Change struct vfio_group::opened from an atomic to bool
vfio: Add missing locking for struct vfio_group::kvm
kvm/vfio: Fix potential deadlock problem in vfio
include/uapi/linux/vfio.h: Fix trivial typo - _IORW should be _IOWR instead
vfio/pci: Use the struct file as the handle not the vfio_group
kvm/vfio: Remove vfio_group from kvm
vfio: Change vfio_group_set_kvm() to vfio_file_set_kvm()
vfio: Change vfio_external_check_extension() to vfio_file_enforced_coherent()
vfio: Remove vfio_external_group_match_file()
...
|
||
Jason Wang
|
8b4ec69d7e |
virtio: harden vring IRQ
This is a rework on the previous IRQ hardening that is done for
virtio-pci where several drawbacks were found and were reverted:
1) try to use IRQF_NO_AUTOEN which is not friendly to affinity managed IRQ
that is used by some device such as virtio-blk
2) done only for PCI transport
The vq->broken is re-used in this patch for implementing the IRQ
hardening. The vq->broken is set to true during both initialization
and reset. And the vq->broken is set to false in
virtio_device_ready(). Then vring_interrupt() can check and return
when vq->broken is true. And in this case, switch to return IRQ_NONE
to let the interrupt core aware of such invalid interrupt to prevent
IRQ storm.
The reason of using a per queue variable instead of a per device one
is that we may need it for per queue reset hardening in the future.
Note that the hardening is only done for vring interrupt since the
config interrupt hardening is already done in commit
|
||
|
Jason Wang
|
3a232277c1 |
virtio-ccw: implement synchronize_cbs()
This patch tries to implement the synchronize_cbs() for ccw. For the vring_interrupt() that is called via virtio_airq_handler(), the synchronization is simply done via the airq_info's lock. For the vring_interrupt() that is called via virtio_ccw_int_handler(), a per device rwlock is introduced and used in the synchronization method. Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: "Paul E. McKenney" <paulmck@kernel.org> Cc: Marc Zyngier <maz@kernel.org> Cc: Halil Pasic <pasic@linux.ibm.com> Cc: Cornelia Huck <cohuck@redhat.com> Cc: Vineeth Vijayan <vneethv@linux.ibm.com> Cc: Peter Oberparleiter <oberpar@linux.ibm.com> Cc: linux-s390@vger.kernel.org Reviewed-by: Halil Pasic <pasic@linux.ibm.com> Signed-off-by: Jason Wang <jasowang@redhat.com> Message-Id: <20220527060120.20964-7-jasowang@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> |
||
|
Linus Torvalds
|
35cdd8656e |
libnvdimm for 5.19
- Add support for clearing memory error via pwrite(2) on DAX
- Fix 'security overwrite' support in the presence of media errors
- Miscellaneous cleanups and fixes for nfit_test (nvdimm unit tests)
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Merge tag 'libnvdimm-for-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm and DAX updates from Dan Williams:
"New support for clearing memory errors when a file is in DAX mode,
alongside with some other fixes and cleanups.
Previously it was only possible to clear these errors using a truncate
or hole-punch operation to trigger the filesystem to reallocate the
block, now, any page aligned write can opportunistically clear errors
as well.
This change spans x86/mm, nvdimm, and fs/dax, and has received the
appropriate sign-offs. Thanks to Jane for her work on this.
Summary:
- Add support for clearing memory error via pwrite(2) on DAX
- Fix 'security overwrite' support in the presence of media errors
- Miscellaneous cleanups and fixes for nfit_test (nvdimm unit tests)"
* tag 'libnvdimm-for-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
pmem: implement pmem_recovery_write()
pmem: refactor pmem_clear_poison()
dax: add .recovery_write dax_operation
dax: introduce DAX_RECOVERY_WRITE dax access mode
mce: fix set_mce_nospec to always unmap the whole page
x86/mce: relocate set{clear}_mce_nospec() functions
acpi/nfit: rely on mce->misc to determine poison granularity
testing: nvdimm: asm/mce.h is not needed in nfit.c
testing: nvdimm: iomap: make __nfit_test_ioremap a macro
nvdimm: Allow overwrite in the presence of disabled dimms
tools/testing/nvdimm: remove unneeded flush_workqueue
|
||
|
Linus Torvalds
|
bf9095424d |
S390:
* ultravisor communication device driver
* fix TEID on terminating storage key ops
RISC-V:
* Added Sv57x4 support for G-stage page table
* Added range based local HFENCE functions
* Added remote HFENCE functions based on VCPU requests
* Added ISA extension registers in ONE_REG interface
* Updated KVM RISC-V maintainers entry to cover selftests support
ARM:
* Add support for the ARMv8.6 WFxT extension
* Guard pages for the EL2 stacks
* Trap and emulate AArch32 ID registers to hide unsupported features
* Ability to select and save/restore the set of hypercalls exposed
to the guest
* Support for PSCI-initiated suspend in collaboration with userspace
* GICv3 register-based LPI invalidation support
* Move host PMU event merging into the vcpu data structure
* GICv3 ITS save/restore fixes
* The usual set of small-scale cleanups and fixes
x86:
* New ioctls to get/set TSC frequency for a whole VM
* Allow userspace to opt out of hypercall patching
* Only do MSR filtering for MSRs accessed by rdmsr/wrmsr
AMD SEV improvements:
* Add KVM_EXIT_SHUTDOWN metadata for SEV-ES
* V_TSC_AUX support
Nested virtualization improvements for AMD:
* Support for "nested nested" optimizations (nested vVMLOAD/VMSAVE,
nested vGIF)
* Allow AVIC to co-exist with a nested guest running
* Fixes for LBR virtualizations when a nested guest is running,
and nested LBR virtualization support
* PAUSE filtering for nested hypervisors
Guest support:
* Decoupling of vcpu_is_preempted from PV spinlocks
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm updates from Paolo Bonzini:
"S390:
- ultravisor communication device driver
- fix TEID on terminating storage key ops
RISC-V:
- Added Sv57x4 support for G-stage page table
- Added range based local HFENCE functions
- Added remote HFENCE functions based on VCPU requests
- Added ISA extension registers in ONE_REG interface
- Updated KVM RISC-V maintainers entry to cover selftests support
ARM:
- Add support for the ARMv8.6 WFxT extension
- Guard pages for the EL2 stacks
- Trap and emulate AArch32 ID registers to hide unsupported features
- Ability to select and save/restore the set of hypercalls exposed to
the guest
- Support for PSCI-initiated suspend in collaboration with userspace
- GICv3 register-based LPI invalidation support
- Move host PMU event merging into the vcpu data structure
- GICv3 ITS save/restore fixes
- The usual set of small-scale cleanups and fixes
x86:
- New ioctls to get/set TSC frequency for a whole VM
- Allow userspace to opt out of hypercall patching
- Only do MSR filtering for MSRs accessed by rdmsr/wrmsr
AMD SEV improvements:
- Add KVM_EXIT_SHUTDOWN metadata for SEV-ES
- V_TSC_AUX support
Nested virtualization improvements for AMD:
- Support for "nested nested" optimizations (nested vVMLOAD/VMSAVE,
nested vGIF)
- Allow AVIC to co-exist with a nested guest running
- Fixes for LBR virtualizations when a nested guest is running, and
nested LBR virtualization support
- PAUSE filtering for nested hypervisors
Guest support:
- Decoupling of vcpu_is_preempted from PV spinlocks"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (199 commits)
KVM: x86: Fix the intel_pt PMI handling wrongly considered from guest
KVM: selftests: x86: Sync the new name of the test case to .gitignore
Documentation: kvm: reorder ARM-specific section about KVM_SYSTEM_EVENT_SUSPEND
x86, kvm: use correct GFP flags for preemption disabled
KVM: LAPIC: Drop pending LAPIC timer injection when canceling the timer
x86/kvm: Alloc dummy async #PF token outside of raw spinlock
KVM: x86: avoid calling x86 emulator without a decoded instruction
KVM: SVM: Use kzalloc for sev ioctl interfaces to prevent kernel data leak
x86/fpu: KVM: Set the base guest FPU uABI size to sizeof(struct kvm_xsave)
s390/uv_uapi: depend on CONFIG_S390
KVM: selftests: x86: Fix test failure on arch lbr capable platforms
KVM: LAPIC: Trace LAPIC timer expiration on every vmentry
KVM: s390: selftest: Test suppression indication on key prot exception
KVM: s390: Don't indicate suppression on dirtying, failing memop
selftests: drivers/s390x: Add uvdevice tests
drivers/s390/char: Add Ultravisor io device
MAINTAINERS: Update KVM RISC-V entry to cover selftests support
RISC-V: KVM: Introduce ISA extension register
RISC-V: KVM: Cleanup stale TLB entries when host CPU changes
RISC-V: KVM: Add remote HFENCE functions based on VCPU requests
...
|
||
|
Linus Torvalds
|
2518f226c6 |
drm for 5.19-rc1
dma-buf:
- add dma_resv_replace_fences
- add dma_resv_get_singleton
- make dma_excl_fence private
core:
- EDID parser refactorings
- switch drivers to drm_mode_copy/duplicate
- DRM managed mutex initialization
display-helper:
- put HDMI, SCDC, HDCP, DSC and DP into new module
gem:
- rework fence handling
ttm:
- rework bulk move handling
- add common debugfs for resource managers
- convert to kvcalloc
format helpers:
- support monochrome formats
- RGB888, RGB565 to XRGB8888 conversions
fbdev:
- cfb/sys_imageblit fixes
- pagelist corruption fix
- create offb platform device
- deferred io improvements
sysfb:
- Kconfig rework
- support for VESA mode selection
bridge:
- conversions to devm_drm_of_get_bridge
- conversions to panel_bridge
- analogix_dp - autosuspend support
- it66121 - audio support
- tc358767 - DSI to DPI support
- icn6211 - PLL/I2C fixes, DT property
- adv7611 - enable DRM_BRIDGE_OP_HPD
- anx7625 - fill ELD if no monitor
- dw_hdmi - add audio support
- lontium LT9211 support, i.MXMP LDB
- it6505: Kconfig fix, DPCD set power fix
- adv7511 - CEC support for ADV7535
panel:
- ltk035c5444t, B133UAN01, NV3052C panel support
- DataImage FG040346DSSWBG04 support
- st7735r - DT bindings fix
- ssd130x - fixes
i915:
- DG2 laptop PCI-IDs ("motherboard down")
- Initial RPL-P PCI IDs
- compute engine ABI
- DG2 Tile4 support
- DG2 CCS clear color compression support
- DG2 render/media compression formats support
- ATS-M platform info
- RPL-S PCI IDs added
- Bump ADL-P DMC version to v2.16
- Support static DRRS
- Support multiple eDP/LVDS native mode refresh rates
- DP HDR support for HSW+
- Lots of display refactoring + fixes
- GuC hwconfig support and query
- sysfs support for multi-tile
- fdinfo per-client gpu utilisation
- add geometry subslices query
- fix prime mmap with LMEM
- fix vm open count and remove vma refcounts
- contiguous allocation fixes
- steered register write support
- small PCI BAR enablement
- GuC error capture support
- sunset igpu legacy mmap support for newer devices
- GuC version 70.1.1 support
amdgpu:
- Initial SoC21 support
- SMU 13.x enablement
- SMU 13.0.4 support
- ttm_eu cleanups
- USB-C, GPUVM updates
- TMZ fixes for RV
- RAS support for VCN
- PM sysfs code cleanup
- DC FP rework
- extend CG/PG flags to 64-bit
- SI dpm lockdep fix
- runtime PM fixes
amdkfd:
- RAS/SVM fixes
- TLB flush fixes
- CRIU GWS support
- ignore bogus MEC signals more efficiently
msm:
- Fourcc modifier for tiled but not compressed layouts
- Support for userspace allocated IOVA (GPU virtual address)
- DPU: DSC (Display Stream Compression) support
- DP: eDP support
- DP: conversion to use drm_bridge and drm_bridge_connector
- Merge DPU1 and MDP5 MDSS driver
- DPU: writeback support
nouveau:
- make some structures static
- make some variables static
- switch to drm_gem_plane_helper_prepare_fb
radeon:
- misc fixes/cleanups
mxsfb:
- rework crtc mode setting
- LCDIF CRC support
etnaviv:
- fencing improvements
- fix address space collisions
- cleanup MMU reference handling
gma500:
- GEM/GTT improvements
- connector handling fixes
komeda:
- switch to plane reset helper
mediatek:
- MIPI DSI improvements
omapdrm:
- GEM improvements
qxl:
- aarch64 support
vc4:
- add a CL submission tracepoint
- HDMI YUV support
- HDMI/clock improvements
- drop is_hdmi caching
virtio:
- remove restriction of non-zero blob types
vmwgfx:
- support for cursormob and cursorbypass 4
- fence improvements
tidss:
- reset DISPC on startup
solomon:
- SPI support
- DT improvements
sun4i:
- allwinner D1 support
- drop is_hdmi caching
imx:
- use swap() instead of open-coding
- use devm_platform_ioremap_resource
- remove redunant initializations
ast:
- Displayport support
rockchip:
- Refactor IOMMU initialisation
- make some structures static
- replace drm_detect_hdmi_monitor with drm_display_info.is_hdmi
- support swapped YUV formats,
- clock improvements
- rk3568 support
- VOP2 support
mediatek:
- MT8186 support
tegra:
- debugabillity improvements
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Merge tag 'drm-next-2022-05-25' of git://anongit.freedesktop.org/drm/drm
Pull drm updates from Dave Airlie:
"Intel have enabled DG2 on certain SKUs for laptops, AMD has started
some new GPU support, msm has user allocated VA controls
dma-buf:
- add dma_resv_replace_fences
- add dma_resv_get_singleton
- make dma_excl_fence private
core:
- EDID parser refactorings
- switch drivers to drm_mode_copy/duplicate
- DRM managed mutex initialization
display-helper:
- put HDMI, SCDC, HDCP, DSC and DP into new module
gem:
- rework fence handling
ttm:
- rework bulk move handling
- add common debugfs for resource managers
- convert to kvcalloc
format helpers:
- support monochrome formats
- RGB888, RGB565 to XRGB8888 conversions
fbdev:
- cfb/sys_imageblit fixes
- pagelist corruption fix
- create offb platform device
- deferred io improvements
sysfb:
- Kconfig rework
- support for VESA mode selection
bridge:
- conversions to devm_drm_of_get_bridge
- conversions to panel_bridge
- analogix_dp - autosuspend support
- it66121 - audio support
- tc358767 - DSI to DPI support
- icn6211 - PLL/I2C fixes, DT property
- adv7611 - enable DRM_BRIDGE_OP_HPD
- anx7625 - fill ELD if no monitor
- dw_hdmi - add audio support
- lontium LT9211 support, i.MXMP LDB
- it6505: Kconfig fix, DPCD set power fix
- adv7511 - CEC support for ADV7535
panel:
- ltk035c5444t, B133UAN01, NV3052C panel support
- DataImage FG040346DSSWBG04 support
- st7735r - DT bindings fix
- ssd130x - fixes
i915:
- DG2 laptop PCI-IDs ("motherboard down")
- Initial RPL-P PCI IDs
- compute engine ABI
- DG2 Tile4 support
- DG2 CCS clear color compression support
- DG2 render/media compression formats support
- ATS-M platform info
- RPL-S PCI IDs added
- Bump ADL-P DMC version to v2.16
- Support static DRRS
- Support multiple eDP/LVDS native mode refresh rates
- DP HDR support for HSW+
- Lots of display refactoring + fixes
- GuC hwconfig support and query
- sysfs support for multi-tile
- fdinfo per-client gpu utilisation
- add geometry subslices query
- fix prime mmap with LMEM
- fix vm open count and remove vma refcounts
- contiguous allocation fixes
- steered register write support
- small PCI BAR enablement
- GuC error capture support
- sunset igpu legacy mmap support for newer devices
- GuC version 70.1.1 support
amdgpu:
- Initial SoC21 support
- SMU 13.x enablement
- SMU 13.0.4 support
- ttm_eu cleanups
- USB-C, GPUVM updates
- TMZ fixes for RV
- RAS support for VCN
- PM sysfs code cleanup
- DC FP rework
- extend CG/PG flags to 64-bit
- SI dpm lockdep fix
- runtime PM fixes
amdkfd:
- RAS/SVM fixes
- TLB flush fixes
- CRIU GWS support
- ignore bogus MEC signals more efficiently
msm:
- Fourcc modifier for tiled but not compressed layouts
- Support for userspace allocated IOVA (GPU virtual address)
- DPU: DSC (Display Stream Compression) support
- DP: eDP support
- DP: conversion to use drm_bridge and drm_bridge_connector
- Merge DPU1 and MDP5 MDSS driver
- DPU: writeback support
nouveau:
- make some structures static
- make some variables static
- switch to drm_gem_plane_helper_prepare_fb
radeon:
- misc fixes/cleanups
mxsfb:
- rework crtc mode setting
- LCDIF CRC support
etnaviv:
- fencing improvements
- fix address space collisions
- cleanup MMU reference handling
gma500:
- GEM/GTT improvements
- connector handling fixes
komeda:
- switch to plane reset helper
mediatek:
- MIPI DSI improvements
omapdrm:
- GEM improvements
qxl:
- aarch64 support
vc4:
- add a CL submission tracepoint
- HDMI YUV support
- HDMI/clock improvements
- drop is_hdmi caching
virtio:
- remove restriction of non-zero blob types
vmwgfx:
- support for cursormob and cursorbypass 4
- fence improvements
tidss:
- reset DISPC on startup
solomon:
- SPI support
- DT improvements
sun4i:
- allwinner D1 support
- drop is_hdmi caching
imx:
- use swap() instead of open-coding
- use devm_platform_ioremap_resource
- remove redunant initializations
ast:
- Displayport support
rockchip:
- Refactor IOMMU initialisation
- make some structures static
- replace drm_detect_hdmi_monitor with drm_display_info.is_hdmi
- support swapped YUV formats,
- clock improvements
- rk3568 support
- VOP2 support
mediatek:
- MT8186 support
tegra:
- debugabillity improvements"
* tag 'drm-next-2022-05-25' of git://anongit.freedesktop.org/drm/drm: (1740 commits)
drm/i915/dsi: fix VBT send packet port selection for ICL+
drm/i915/uc: Fix undefined behavior due to shift overflowing the constant
drm/i915/reg: fix undefined behavior due to shift overflowing the constant
drm/i915/gt: Fix use of static in macro mismatch
drm/i915/audio: fix audio code enable/disable pipe logging
drm/i915: Fix CFI violation with show_dynamic_id()
drm/i915: Fix 'mixing different enum types' warnings in intel_display_power.c
drm/i915/gt: Fix build error without CONFIG_PM
drm/msm/dpu: handle pm_runtime_get_sync() errors in bind path
drm/msm/dpu: add DRM_MODE_ROTATE_180 back to supported rotations
drm/msm: don't free the IRQ if it was not requested
drm/msm/dpu: limit writeback modes according to max_linewidth
drm/amd: Don't reset dGPUs if the system is going to s2idle
drm/amdgpu: Unmap legacy queue when MES is enabled
drm: msm: fix possible memory leak in mdp5_crtc_cursor_set()
drm/msm: Fix fb plane offset calculation
drm/msm/a6xx: Fix refcount leak in a6xx_gpu_init
drm/msm/dsi: don't powerup at modeset time for parade-ps8640
drm/rockchip: Change register space names in vop2
dt-bindings: display: rockchip: make reg-names mandatory for VOP2
...
|
||
|
Linus Torvalds
|
7e062cda7d |
Networking changes for 5.19.
Core
----
- Support TCPv6 segmentation offload with super-segments larger than
64k bytes using the IPv6 Jumbogram extension header (AKA BIG TCP).
- Generalize skb freeing deferral to per-cpu lists, instead of
per-socket lists.
- Add a netdev statistic for packets dropped due to L2 address
mismatch (rx_otherhost_dropped).
- Continue work annotating skb drop reasons.
- Accept alternative netdev names (ALT_IFNAME) in more netlink
requests.
- Add VLAN support for AF_PACKET SOCK_RAW GSO.
- Allow receiving skb mark from the socket as a cmsg.
- Enable memcg accounting for veth queues, sysctl tables and IPv6.
BPF
---
- Add libbpf support for User Statically-Defined Tracing (USDTs).
- Speed up symbol resolution for kprobes multi-link attachments.
- Support storing typed pointers to referenced and unreferenced
objects in BPF maps.
- Add support for BPF link iterator.
- Introduce access to remote CPU map elements in BPF per-cpu map.
- Allow middle-of-the-road settings for the
kernel.unprivileged_bpf_disabled sysctl.
- Implement basic types of dynamic pointers e.g. to allow for
dynamically sized ringbuf reservations without extra memory copies.
Protocols
---------
- Retire port only listening_hash table, add a second bind table
hashed by port and address. Avoid linear list walk when binding
to very popular ports (e.g. 443).
- Add bridge FDB bulk flush filtering support allowing user space
to remove all FDB entries matching a condition.
- Introduce accept_unsolicited_na sysctl for IPv6 to implement
router-side changes for RFC9131.
- Support for MPTCP path manager in user space.
- Add MPTCP support for fallback to regular TCP for connections
that have never connected additional subflows or transmitted
out-of-sequence data (partial support for RFC8684 fallback).
- Avoid races in MPTCP-level window tracking, stabilize and improve
throughput.
- Support lockless operation of GRE tunnels with seq numbers enabled.
- WiFi support for host based BSS color collision detection.
- Add support for SO_TXTIME/SCM_TXTIME on CAN sockets.
- Support transmission w/o flow control in CAN ISOTP (ISO 15765-2).
- Support zero-copy Tx with TLS 1.2 crypto offload (sendfile).
- Allow matching on the number of VLAN tags via tc-flower.
- Add tracepoint for tcp_set_ca_state().
Driver API
----------
- Improve error reporting from classifier and action offload.
- Add support for listing line cards in switches (devlink).
- Add helpers for reporting page pool statistics with ethtool -S.
- Add support for reading clock cycles when using PTP virtual clocks,
instead of having the driver convert to time before reporting.
This makes it possible to report time from different vclocks.
- Support configuring low-latency Tx descriptor push via ethtool.
- Separate Clause 22 and Clause 45 MDIO accesses more explicitly.
New hardware / drivers
----------------------
- Ethernet:
- Marvell's Octeon NIC PCI Endpoint support (octeon_ep)
- Sunplus SP7021 SoC (sp7021_emac)
- Add support for Renesas RZ/V2M (in ravb)
- Add support for MediaTek mt7986 switches (in mtk_eth_soc)
- Ethernet PHYs:
- ADIN1100 industrial PHYs (w/ 10BASE-T1L and SQI reporting)
- TI DP83TD510 PHY
- Microchip LAN8742/LAN88xx PHYs
- WiFi:
- Driver for pureLiFi X, XL, XC devices (plfxlc)
- Driver for Silicon Labs devices (wfx)
- Support for WCN6750 (in ath11k)
- Support Realtek 8852ce devices (in rtw89)
- Mobile:
- MediaTek T700 modems (Intel 5G 5000 M.2 cards)
- CAN:
- ctucanfd: add support for CTU CAN FD open-source IP core
from Czech Technical University in Prague
Drivers
-------
- Delete a number of old drivers still using virt_to_bus().
- Ethernet NICs:
- intel: support TSO on tunnels MPLS
- broadcom: support multi-buffer XDP
- nfp: support VF rate limiting
- sfc: use hardware tx timestamps for more than PTP
- mlx5: multi-port eswitch support
- hyper-v: add support for XDP_REDIRECT
- atlantic: XDP support (including multi-buffer)
- macb: improve real-time perf by deferring Tx processing to NAPI
- High-speed Ethernet switches:
- mlxsw: implement basic line card information querying
- prestera: add support for traffic policing on ingress and egress
- Embedded Ethernet switches:
- lan966x: add support for packet DMA (FDMA)
- lan966x: add support for PTP programmable pins
- ti: cpsw_new: enable bc/mc storm prevention
- Qualcomm 802.11ax WiFi (ath11k):
- Wake-on-WLAN support for QCA6390 and WCN6855
- device recovery (firmware restart) support
- support setting Specific Absorption Rate (SAR) for WCN6855
- read country code from SMBIOS for WCN6855/QCA6390
- enable keep-alive during WoWLAN suspend
- implement remain-on-channel support
- MediaTek WiFi (mt76):
- support Wireless Ethernet Dispatch offloading packet movement
between the Ethernet switch and WiFi interfaces
- non-standard VHT MCS10-11 support
- mt7921 AP mode support
- mt7921 IPv6 NS offload support
- Ethernet PHYs:
- micrel: ksz9031/ksz9131: cabletest support
- lan87xx: SQI support for T1 PHYs
- lan937x: add interrupt support for link detection
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-next-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from Jakub Kicinski:
"Core
----
- Support TCPv6 segmentation offload with super-segments larger than
64k bytes using the IPv6 Jumbogram extension header (AKA BIG TCP).
- Generalize skb freeing deferral to per-cpu lists, instead of
per-socket lists.
- Add a netdev statistic for packets dropped due to L2 address
mismatch (rx_otherhost_dropped).
- Continue work annotating skb drop reasons.
- Accept alternative netdev names (ALT_IFNAME) in more netlink
requests.
- Add VLAN support for AF_PACKET SOCK_RAW GSO.
- Allow receiving skb mark from the socket as a cmsg.
- Enable memcg accounting for veth queues, sysctl tables and IPv6.
BPF
---
- Add libbpf support for User Statically-Defined Tracing (USDTs).
- Speed up symbol resolution for kprobes multi-link attachments.
- Support storing typed pointers to referenced and unreferenced
objects in BPF maps.
- Add support for BPF link iterator.
- Introduce access to remote CPU map elements in BPF per-cpu map.
- Allow middle-of-the-road settings for the
kernel.unprivileged_bpf_disabled sysctl.
- Implement basic types of dynamic pointers e.g. to allow for
dynamically sized ringbuf reservations without extra memory copies.
Protocols
---------
- Retire port only listening_hash table, add a second bind table
hashed by port and address. Avoid linear list walk when binding to
very popular ports (e.g. 443).
- Add bridge FDB bulk flush filtering support allowing user space to
remove all FDB entries matching a condition.
- Introduce accept_unsolicited_na sysctl for IPv6 to implement
router-side changes for RFC9131.
- Support for MPTCP path manager in user space.
- Add MPTCP support for fallback to regular TCP for connections that
have never connected additional subflows or transmitted
out-of-sequence data (partial support for RFC8684 fallback).
- Avoid races in MPTCP-level window tracking, stabilize and improve
throughput.
- Support lockless operation of GRE tunnels with seq numbers enabled.
- WiFi support for host based BSS color collision detection.
- Add support for SO_TXTIME/SCM_TXTIME on CAN sockets.
- Support transmission w/o flow control in CAN ISOTP (ISO 15765-2).
- Support zero-copy Tx with TLS 1.2 crypto offload (sendfile).
- Allow matching on the number of VLAN tags via tc-flower.
- Add tracepoint for tcp_set_ca_state().
Driver API
----------
- Improve error reporting from classifier and action offload.
- Add support for listing line cards in switches (devlink).
- Add helpers for reporting page pool statistics with ethtool -S.
- Add support for reading clock cycles when using PTP virtual clocks,
instead of having the driver convert to time before reporting. This
makes it possible to report time from different vclocks.
- Support configuring low-latency Tx descriptor push via ethtool.
- Separate Clause 22 and Clause 45 MDIO accesses more explicitly.
New hardware / drivers
----------------------
- Ethernet:
- Marvell's Octeon NIC PCI Endpoint support (octeon_ep)
- Sunplus SP7021 SoC (sp7021_emac)
- Add support for Renesas RZ/V2M (in ravb)
- Add support for MediaTek mt7986 switches (in mtk_eth_soc)
- Ethernet PHYs:
- ADIN1100 industrial PHYs (w/ 10BASE-T1L and SQI reporting)
- TI DP83TD510 PHY
- Microchip LAN8742/LAN88xx PHYs
- WiFi:
- Driver for pureLiFi X, XL, XC devices (plfxlc)
- Driver for Silicon Labs devices (wfx)
- Support for WCN6750 (in ath11k)
- Support Realtek 8852ce devices (in rtw89)
- Mobile:
- MediaTek T700 modems (Intel 5G 5000 M.2 cards)
- CAN:
- ctucanfd: add support for CTU CAN FD open-source IP core from
Czech Technical University in Prague
Drivers
-------
- Delete a number of old drivers still using virt_to_bus().
- Ethernet NICs:
- intel: support TSO on tunnels MPLS
- broadcom: support multi-buffer XDP
- nfp: support VF rate limiting
- sfc: use hardware tx timestamps for more than PTP
- mlx5: multi-port eswitch support
- hyper-v: add support for XDP_REDIRECT
- atlantic: XDP support (including multi-buffer)
- macb: improve real-time perf by deferring Tx processing to NAPI
- High-speed Ethernet switches:
- mlxsw: implement basic line card information querying
- prestera: add support for traffic policing on ingress and egress
- Embedded Ethernet switches:
- lan966x: add support for packet DMA (FDMA)
- lan966x: add support for PTP programmable pins
- ti: cpsw_new: enable bc/mc storm prevention
- Qualcomm 802.11ax WiFi (ath11k):
- Wake-on-WLAN support for QCA6390 and WCN6855
- device recovery (firmware restart) support
- support setting Specific Absorption Rate (SAR) for WCN6855
- read country code from SMBIOS for WCN6855/QCA6390
- enable keep-alive during WoWLAN suspend
- implement remain-on-channel support
- MediaTek WiFi (mt76):
- support Wireless Ethernet Dispatch offloading packet movement
between the Ethernet switch and WiFi interfaces
- non-standard VHT MCS10-11 support
- mt7921 AP mode support
- mt7921 IPv6 NS offload support
- Ethernet PHYs:
- micrel: ksz9031/ksz9131: cabletest support
- lan87xx: SQI support for T1 PHYs
- lan937x: add interrupt support for link detection"
* tag 'net-next-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1809 commits)
ptp: ocp: Add firmware header checks
ptp: ocp: fix PPS source selector debugfs reporting
ptp: ocp: add .init function for sma_op vector
ptp: ocp: vectorize the sma accessor functions
ptp: ocp: constify selectors
ptp: ocp: parameterize input/output sma selectors
ptp: ocp: revise firmware display
ptp: ocp: add Celestica timecard PCI ids
ptp: ocp: Remove #ifdefs around PCI IDs
ptp: ocp: 32-bit fixups for pci start address
Revert "net/smc: fix listen processing for SMC-Rv2"
ath6kl: Use cc-disable-warning to disable -Wdangling-pointer
selftests/bpf: Dynptr tests
bpf: Add dynptr data slices
bpf: Add bpf_dynptr_read and bpf_dynptr_write
bpf: Dynptr support for ring buffers
bpf: Add bpf_dynptr_from_mem for local dynptrs
bpf: Add verifier support for dynptrs
bpf: Suppress 'passing zero to PTR_ERR' warning
bpf: Introduce bpf_arch_text_invalidate for bpf_prog_pack
...
|
||
Paolo Bonzini
|
eb3de2d8f7 |
s390/uv_uapi: depend on CONFIG_S390
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> |
||
|
Paolo Bonzini
|
1644e27059 |
KVM: s390: Fix and feature for 5.19
- ultravisor communication device driver - fix TEID on terminating storage key ops -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEE+SKTgaM0CPnbq/vKEXu8gLWmHHwFAmKLWW0ACgkQEXu8gLWm HHyhmBAApRObtkLtQjctGs4lzGPvE019EFFdBlK5ayYrgFE0gcaX0adstnLWyzJ+ J7L6UbxUzKKfev0BCDyPCTH+FUW5LHanpS0pBASLrl4VMcloWa7GZh5Ahbiq797x 9QnMC72qUggg4FYj4X4WxYJhxqgqi2lmYrcz7QjCbW6X0RWilryPuzZcL326ghzz gH11gup0cy9HSpe6zr7efNT8UVahUr06ky1VnUBnDRR3ecuMQOUBET/McOXLYUQP Q0eFtdRXvrnDKbCXinORCCp6dbreibBpLAF5PWh5WxlTNluZQtfzYjBUHyMpoeEB akEc/gb/MY7bbR5V7aTG3Joi1soFFmZQ93P9Bn8c39wWfouOkm8gqioCd6erjczW 5seFUNR72uWwUfNxBFvPbDFq7eS6qEVoIx14jLjGhUcTwE9xQhNYCgc5qmmNSqB/ OMUKyKpaqkvPs+mx+/efFhVSScWs+AMimUYzYb2fdTJ7MXxnCRIF0BUkIlFjJVpc 3y1tOi0mD+CEKDyVfTPmigagFgW79FK6rnScSorSRWXqE3xcSpJjv3Afo6II20mQ YJZKviciknzxZ8/uZbJl98DpHvW17oh08SBs9kLweHjLo3SPZtHWa2qzilGTBZMY 75jPiwNMLdZdf/SRYdrIn6nlSNrvUt+16YcN8vqUwcqW+9Of0IQ= =93zj -----END PGP SIGNATURE----- Merge tag 'kvm-s390-next-5.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into HEAD KVM: s390: Fix and feature for 5.19 - ultravisor communication device driver - fix TEID on terminating storage key ops |
||
Matthew Rosato
|
421cfe6596 |
vfio: remove VFIO_GROUP_NOTIFY_SET_KVM
Rather than relying on a notifier for associating the KVM with the group, let's assume that the association has already been made prior to device_open. The first time a device is opened associate the group KVM with the device. This fixes a user-triggerable oops in GVT. Reviewed-by: Tony Krowiak <akrowiak@linux.ibm.com> Reviewed-by: Kevin Tian <kevin.tian@intel.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com> Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> Acked-by: Zhi Wang <zhi.a.wang@intel.com> Link: https://lore.kernel.org/r/20220519183311.582380-2-mjrosato@linux.ibm.com Signed-off-by: Alex Williamson <alex.williamson@redhat.com> |
||
|
Linus Torvalds
|
95fbef17e8 |
s390 updates for 5.19 merge window
- Make use of the IBM z16 processor activity instrumentation facility to count cryptography operations: add a new PMU device driver so that perf can make use of this. - Add new IBM z16 extended counter set to cpumf support. - Add vdso randomization support. - Add missing KCSAN instrumentation to barriers and spinlocks, which should make s390's KCSAN support complete. - Add support for IPL-complete-control facility: notify the hypervisor that kexec finished work and the kernel starts. - Improve error logging for PCI. - Various small changes to workaround llvm's integrated assembler limitations, and one bug, to make it finally possible to compile the kernel with llvm's integrated assembler. This also requires to raise the minimum clang version to 14.0.0. - Various other small enhancements, bug fixes, and cleanups all over the place. -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEECMNfWEw3SLnmiLkZIg7DeRspbsIFAmKLedYACgkQIg7DeRsp bsKDfA//TR/8jyyrNs75VDUPiS0UgMgHfjinQqLa8qwaQxCxA0J31I9nYiDxSfp/ E8hTCLyARnPX0YpcLCEI0ChC6Ad+LElGr6kctdV0FTQopRVreVRKYe2bmrsvXNqs 4OzFNGZ8mnvMMSi1IQ/A7Yq/DZjbEON5VfY3iJv8djyC7qVNDgngdiQxtIJ+3eq/ 77pw3VEgtuI2lVC3O9fEsdqRUyB5UHS3GSknmc8+KuRmOorir0JwMvxQ9xARZJYE 6FbTnSDW1YGI6TBoa/zFberqsldU/qJzo40JmPr27a2qbEmysc8kw60r+cIFsxgC H432/aS9102CnsocaY7CtOvs+TLAK8dYeU31enxUGXnICMJ0MuuqnNnAfHrJziVs ZnK3iUfPmMMewYfSefn8Sk87kJR5ggGePF++44GEqd87lRwZUnC+hd19dNtzzgSx Br4dRYrdQl+w2nqBHGCGW2288svtiPHslnhaQqy343fS9q0o3Mebqx1e9be7t9/K IDFQ00Cd3FS2jhphCbCrq2vJTmByhTQqCiNoEJ6vZK2B3ksrJUotfdwI+5etE2Kj 8sOPwOPyIAI9HnXFVknGIl/u5kaPuHazkZu6u3Or0miVZYw01pov1am0ArcFjeMX /4Js/lI4O/wXvRzVk0rILrAZFDirAHvqqx+aI20cegTQU2C8mHY= =W+1k -----END PGP SIGNATURE----- Merge tag 's390-5.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux Pull s390 updates from Heiko Carstens: - Make use of the IBM z16 processor activity instrumentation facility to count cryptography operations: add a new PMU device driver so that perf can make use of this. - Add new IBM z16 extended counter set to cpumf support. - Add vdso randomization support. - Add missing KCSAN instrumentation to barriers and spinlocks, which should make s390's KCSAN support complete. - Add support for IPL-complete-control facility: notify the hypervisor that kexec finished work and the kernel starts. - Improve error logging for PCI. - Various small changes to workaround llvm's integrated assembler limitations, and one bug, to make it finally possible to compile the kernel with llvm's integrated assembler. This also requires to raise the minimum clang version to 14.0.0. - Various other small enhancements, bug fixes, and cleanups all over the place. * tag 's390-5.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (48 commits) s390/head: get rid of 31 bit leftovers scripts/min-tool-version.sh: raise minimum clang version to 14.0.0 for s390 s390/boot: do not emit debug info for assembly with llvm's IAS s390/boot: workaround llvm IAS bug s390/purgatory: workaround llvm's IAS limitations s390/entry: workaround llvm's IAS limitations s390/alternatives: remove padding generation code s390/alternatives: provide identical sized orginal/alternative sequences s390/cpumf: add new extended counter set for IBM z16 s390/preempt: disable __preempt_count_add() optimization for PROFILE_ALL_BRANCHES s390/stp: clock_delta should be signed s390/stp: fix todoff size s390/pai: add support for cryptography counters entry: Rename arch_check_user_regs() to arch_enter_from_user_mode() s390/compat: cleanup compat_linux.h header file s390/entry: remove broken and not needed code s390/boot: convert parmarea to C s390/boot: convert initial lowcore to C s390/ptrace: move short psw definitions to ptrace header file s390/head: initialize all new psws ... |
||
|
Linus Torvalds
|
5dc921868c |
for-5.19/drivers-2022-05-22
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Merge tag 'for-5.19/drivers-2022-05-22' of git://git.kernel.dk/linux-block
Pull block driver updates from Jens Axboe:
"Here are the driver updates queued up for 5.19. This contains:
- NVMe pull requests via Christoph:
- tighten the PCI presence check (Stefan Roese)
- fix a potential NULL pointer dereference in an error path (Kyle
Miller Smith)
- fix interpretation of the DMRSL field (Tom Yan)
- relax the data transfer alignment (Keith Busch)
- verbose error logging improvements (Max Gurtovoy, Chaitanya
Kulkarni)
- misc cleanups (Chaitanya Kulkarni, Christoph)
- set non-mdts limits in nvme_scan_work (Chaitanya Kulkarni)
- add support for TP4084 - Time-to-Ready Enhancements (Christoph)
- MD pull request via Song:
- Improve annotation in raid5 code, by Logan Gunthorpe
- Support MD_BROKEN flag in raid-1/5/10, by Mariusz Tkaczyk
- Other small fixes/cleanups
- null_blk series making the configfs side much saner (Damien)
- Various minor drbd cleanups and fixes (Haowen, Uladzislau, Jiapeng,
Arnd, Cai)
- Avoid using the system workqueue (and hence flushing it) in rnbd
(Jack)
- Avoid using the system workqueue (and hence flushing it) in aoe
(Tetsuo)
- Series fixing discard_alignment issues in drivers (Christoph)
- Small series fixing drivers poking at disk->part0 for openers
information (Christoph)
- Series fixing deadlocks in loop (Christoph, Tetsuo)
- Remove loop.h and add SPDX headers (Christoph)
- Various fixes and cleanups (Julia, Xie, Yu)"
* tag 'for-5.19/drivers-2022-05-22' of git://git.kernel.dk/linux-block: (72 commits)
mtip32xx: fix typo in comment
nvme: set non-mdts limits in nvme_scan_work
nvme: add support for TP4084 - Time-to-Ready Enhancements
nvme: split the enum used for various register constants
nbd: Fix hung on disconnect request if socket is closed before
nvme-fabrics: add a request timeout helper
nvme-pci: harden drive presence detect in nvme_dev_disable()
nvme-pci: fix a NULL pointer dereference in nvme_alloc_admin_tags
nvme: mark internal passthru request RQF_QUIET
nvme: remove unneeded include from constants file
nvme: add missing status values to verbose logging
nvme: set dma alignment to dword
nvme: fix interpretation of DMRSL
loop: remove most the top-of-file boilerplate comment from the UAPI header
loop: remove most the top-of-file boilerplate comment
loop: add a SPDX header
loop: remove loop.h
block: null_blk: Improve device creation with configfs
block: null_blk: Cleanup messages
block: null_blk: Cleanup device creation and deletion
...
|
||
|
Linus Torvalds
|
115cd47132 |
for-5.19/block-2022-05-22
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Merge tag 'for-5.19/block-2022-05-22' of git://git.kernel.dk/linux-block
Pull block updates from Jens Axboe:
"Here are the core block changes for 5.19. This contains:
- blk-throttle accounting fix (Laibin)
- Series removing redundant assignments (Michal)
- Expose bio cache via the bio_set, so that DM can use it (Mike)
- Finish off the bio allocation interface cleanups by dealing with
the weirdest member of the family. bio_kmalloc combines a kmalloc
for the bio and bio_vecs with a hidden bio_init call and magic
cleanup semantics (Christoph)
- Clean up the block layer API so that APIs consumed by file systems
are (almost) only struct block_device based, so that file systems
don't have to poke into block layer internals like the
request_queue (Christoph)
- Clean up the blk_execute_rq* API (Christoph)
- Clean up various lose end in the blk-cgroup code to make it easier
to follow in preparation of reworking the blkcg assignment for bios
(Christoph)
- Fix use-after-free issues in BFQ when processes with merged queues
get moved to different cgroups (Jan)
- BFQ fixes (Jan)
- Various fixes and cleanups (Bart, Chengming, Fanjun, Julia, Ming,
Wolfgang, me)"
* tag 'for-5.19/block-2022-05-22' of git://git.kernel.dk/linux-block: (83 commits)
blk-mq: fix typo in comment
bfq: Remove bfq_requeue_request_body()
bfq: Remove superfluous conversion from RQ_BIC()
bfq: Allow current waker to defend against a tentative one
bfq: Relax waker detection for shared queues
blk-cgroup: delete rcu_read_lock_held() WARN_ON_ONCE()
blk-throttle: Set BIO_THROTTLED when bio has been throttled
blk-cgroup: Remove unnecessary rcu_read_lock/unlock()
blk-cgroup: always terminate io.stat lines
block, bfq: make bfq_has_work() more accurate
block, bfq: protect 'bfqd->queued' by 'bfqd->lock'
block: cleanup the VM accounting in submit_bio
block: Fix the bio.bi_opf comment
block: reorder the REQ_ flags
blk-iocost: combine local_stat and desc_stat to stat
block: improve the error message from bio_check_eod
block: allow passing a NULL bdev to bio_alloc_clone/bio_init_clone
block: remove superfluous calls to blkcg_bio_issue_init
kthread: unexport kthread_blkcg
blk-cgroup: cleanup blkcg_maybe_throttle_current
...
|
||
Steffen Eiden
|
4689752c79 |
drivers/s390/char: Add Ultravisor io device
This patch adds a new miscdevice to expose some Ultravisor functions to userspace. Userspace can send IOCTLs to the uvdevice that will then emit a corresponding Ultravisor Call and hands the result over to userspace. The uvdevice is available if the Ultravisor Call facility is present. Userspace can call the Retrieve Attestation Measurement Ultravisor Call using IOCTLs on the uvdevice. The uvdevice will do some sanity checks first. Then, copy the request data to kernel space, build the UVCB, perform the UV call, and copy the result back to userspace. Signed-off-by: Steffen Eiden <seiden@linux.ibm.com> Reviewed-by: Janosch Frank <frankja@linux.ibm.com> Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com> Link: https://lore.kernel.org/kvm/20220516113335.338212-1-seiden@linux.ibm.com/ Message-Id: <20220516113335.338212-1-seiden@linux.ibm.com> Signed-off-by: Janosch Frank <frankja@linux.ibm.com> (whitespace and tristate fixes, pick) |
||
Jane Chu
|
e511c4a3d2 |
dax: introduce DAX_RECOVERY_WRITE dax access mode
Up till now, dax_direct_access() is used implicitly for normal
access, but for the purpose of recovery write, dax range with
poison is requested. To make the interface clear, introduce
enum dax_access_mode {
DAX_ACCESS,
DAX_RECOVERY_WRITE,
}
where DAX_ACCESS is used for normal dax access, and
DAX_RECOVERY_WRITE is used for dax recovery write.
Suggested-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Jane Chu <jane.chu@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Cc: Mike Snitzer <snitzer@redhat.com>
Reviewed-by: Vivek Goyal <vgoyal@redhat.com>
Link: https://lore.kernel.org/r/165247982851.52965.11024212198889762949.stgit@dwillia2-desk3.amr.corp.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
|
||
Jakub Kicinski
|
9b19e57a3c |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
No conflicts. Build issue in drivers/net/ethernet/sfc/ptp.c |
||
|
Linus Torvalds
|
f3f19f939c |
Networking fixes for 5.18-rc7, including fixes from wireless,
and bluetooth. No outstanding fires.
Current release - regressions:
- eth: atlantic: always deep reset on pm op, fix null-deref
Current release - new code bugs:
- rds: use maybe_get_net() when acquiring refcount on TCP sockets
[refinement of a previous fix]
- eth: ocelot: mark traps with a bool instead of guessing type based
on list membership
Previous releases - regressions:
- net: fix skipping features in for_each_netdev_feature()
- phy: micrel: fix null-derefs on suspend/resume and probe
- bcmgenet: check for Wake-on-LAN interrupt probe deferral
Previous releases - always broken:
- ipv4: drop dst in multicast routing path, prevent leaks
- ping: fix address binding wrt vrf
- net: fix wrong network header length when BPF protocol translation
is used on skbs with a fraglist
- bluetooth: fix the creation of hdev->name
- rfkill: uapi: fix RFKILL_IOCTL_MAX_SIZE ioctl request definition
- wifi: iwlwifi: iwl-dbg: use del_timer_sync() before freeing
- wifi: ath11k: reduce the wait time of 11d scan and hw scan while
adding an interface
- mac80211: fix rx reordering with non explicit / psmp ack policy
- mac80211: reset MBSSID parameters upon connection
- nl80211: fix races in nl80211_set_tx_bitrate_mask()
- tls: fix context leak on tls_device_down
- sched: act_pedit: really ensure the skb is writable
- batman-adv: don't skb_split skbuffs with frag_list
- eth: ocelot: fix various issues with TC actions (null-deref; bad
stats; ineffective drops; ineffective filter removal)
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-5.18-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from wireless, and bluetooth.
No outstanding fires.
Current release - regressions:
- eth: atlantic: always deep reset on pm op, fix null-deref
Current release - new code bugs:
- rds: use maybe_get_net() when acquiring refcount on TCP sockets
[refinement of a previous fix]
- eth: ocelot: mark traps with a bool instead of guessing type based
on list membership
Previous releases - regressions:
- net: fix skipping features in for_each_netdev_feature()
- phy: micrel: fix null-derefs on suspend/resume and probe
- bcmgenet: check for Wake-on-LAN interrupt probe deferral
Previous releases - always broken:
- ipv4: drop dst in multicast routing path, prevent leaks
- ping: fix address binding wrt vrf
- net: fix wrong network header length when BPF protocol translation
is used on skbs with a fraglist
- bluetooth: fix the creation of hdev->name
- rfkill: uapi: fix RFKILL_IOCTL_MAX_SIZE ioctl request definition
- wifi: iwlwifi: iwl-dbg: use del_timer_sync() before freeing
- wifi: ath11k: reduce the wait time of 11d scan and hw scan while
adding an interface
- mac80211: fix rx reordering with non explicit / psmp ack policy
- mac80211: reset MBSSID parameters upon connection
- nl80211: fix races in nl80211_set_tx_bitrate_mask()
- tls: fix context leak on tls_device_down
- sched: act_pedit: really ensure the skb is writable
- batman-adv: don't skb_split skbuffs with frag_list
- eth: ocelot: fix various issues with TC actions (null-deref; bad
stats; ineffective drops; ineffective filter removal)"
* tag 'net-5.18-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (61 commits)
tls: Fix context leak on tls_device_down
net: sfc: ef10: fix memory leak in efx_ef10_mtd_probe()
net/smc: non blocking recvmsg() return -EAGAIN when no data and signal_pending
net: dsa: bcm_sf2: Fix Wake-on-LAN with mac_link_down()
mlxsw: Avoid warning during ip6gre device removal
net: bcmgenet: Check for Wake-on-LAN interrupt probe deferral
net: ethernet: mediatek: ppe: fix wrong size passed to memset()
Bluetooth: Fix the creation of hdev->name
i40e: i40e_main: fix a missing check on list iterator
net/sched: act_pedit: really ensure the skb is writable
s390/lcs: fix variable dereferenced before check
s390/ctcm: fix potential memory leak
s390/ctcm: fix variable dereferenced before check
net: atlantic: verify hw_head_ lies within TX buffer ring
net: atlantic: add check for MAX_SKB_FRAGS
net: atlantic: reduce scope of is_rsc_complete
net: atlantic: fix "frag[0] not initialized"
net: stmmac: fix missing pci_disable_device() on error in stmmac_pci_probe()
net: phy: micrel: Fix incorrect variable type in micrel
decnet: Use container_of() for struct dn_neigh casts
...
|
||
Jason Gunthorpe
|
8e432bb015 |
vfio/mdev: Pass in a struct vfio_device * to vfio_pin/unpin_pages()
Every caller has a readily available vfio_device pointer, use that instead of passing in a generic struct device. The struct vfio_device already contains the group we need so this avoids complexity, extra refcountings, and a confusing lifecycle model. Reviewed-by: Christoph Hellwig <hch@lst.de> Acked-by: Eric Farman <farman@linux.ibm.com> Reviewed-by: Jason J. Herne <jjherne@linux.ibm.com> Reviewed-by: Tony Krowiak <akrowiak@linux.ibm.com> Reviewed-by: Kevin Tian <kevin.tian@intel.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> Link: https://lore.kernel.org/r/3-v4-8045e76bf00b+13d-vfio_mdev_no_group_jgg@nvidia.com Signed-off-by: Alex Williamson <alex.williamson@redhat.com> |
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Jason Gunthorpe
|
0a58795647 |
vfio/ccw: Remove mdev from struct channel_program
The next patch wants the vfio_device instead. There is no reason to store a pointer here since we can container_of back to the vfio_device. Reviewed-by: Eric Farman <farman@linux.ibm.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> Link: https://lore.kernel.org/r/2-v4-8045e76bf00b+13d-vfio_mdev_no_group_jgg@nvidia.com Signed-off-by: Alex Williamson <alex.williamson@redhat.com> |
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Jason Gunthorpe
|
09ea48efff |
vfio: Make vfio_(un)register_notifier accept a vfio_device
All callers have a struct vfio_device trivially available, pass it in directly and avoid calling the expensive vfio_group_get_from_dev(). Acked-by: Eric Farman <farman@linux.ibm.com> Reviewed-by: Jason J. Herne <jjherne@linux.ibm.com> Reviewed-by: Tony Krowiak <akrowiak@linux.ibm.com> Reviewed-by: Kevin Tian <kevin.tian@intel.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> Link: https://lore.kernel.org/r/1-v4-8045e76bf00b+13d-vfio_mdev_no_group_jgg@nvidia.com Signed-off-by: Alex Williamson <alex.williamson@redhat.com> |
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Alex Williamson
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5acb6cd19d |
Merge tag 'gvt-next-2022-04-29' into v5.19/vfio/next
Merge GVT-g dependencies for vfio. Signed-off-by: Alex Williamson <alex.williamson@redhat.com> |
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Sven Schnelle
|
5ace65ebb5 |
s390/stp: clock_delta should be signed
clock_delta is declared as unsigned long in various places. However, the clock sync delta can be negative. This would add a huge positive offset in clock_sync_global where clock_delta is added to clk.eitod which is a 72 bit integer. Declare it as signed long to fix this. Cc: stable@vger.kernel.org Signed-off-by: Sven Schnelle <svens@linux.ibm.com> Reviewed-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
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Alexandra Winter
|
671bb35c8e |
s390/lcs: fix variable dereferenced before check
smatch complains about
drivers/s390/net/lcs.c:1741 lcs_get_control() warn: variable dereferenced before check 'card->dev' (see line 1739)
Fixes:
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Alexandra Winter
|
0c0b20587b |
s390/ctcm: fix potential memory leak
smatch complains about
drivers/s390/net/ctcm_mpc.c:1210 ctcmpc_unpack_skb() warn: possible memory leak of 'mpcginfo'
mpc_action_discontact() did not free mpcginfo. Consolidate the freeing in
ctcmpc_unpack_skb().
Fixes:
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Alexandra Winter
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2c50c6867c |
s390/ctcm: fix variable dereferenced before check
Found by cppcheck and smatch.
smatch complains about
drivers/s390/net/ctcm_sysfs.c:43 ctcm_buffer_write() warn: variable dereferenced before check 'priv' (see line 42)
Fixes:
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Guilherme G. Piccoli
|
4ae46db99c |
s390/consoles: improve panic notifiers reliability
Currently many console drivers for s390 rely on panic/reboot notifiers to invoke callbacks on these events. The panic() function disables local IRQs, secondary CPUs and preemption, so callbacks invoked on panic are effectively running in atomic context. Happens that most of these console callbacks from s390 doesn't take the proper care with regards to atomic context, like taking spinlocks that might be taken in other function/CPU and hence will cause a lockup situation. The goal for this patch is to improve the notifiers reliability, acting on 4 console drivers, as detailed below: (1) con3215: changed a regular spinlock to the trylock alternative. (2) con3270: also changed a regular spinlock to its trylock counterpart, but here we also have another problem: raw3270_activate_view() takes a different spinlock. So, we worked a helper to validate if this other lock is safe to acquire, and if so, raw3270_activate_view() should be safe. Notice though that there is a functional change here: it's now possible to continue the notifier code [reaching con3270_wait_write() and con3270_rebuild_update()] without executing raw3270_activate_view(). (3) sclp: a global lock is used heavily in the functions called from the notifier, so we added a check here - if the lock is taken already, we just bail-out, preventing the lockup. (4) sclp_vt220: same as (3), a lock validation was added to prevent the potential lockup problem. Besides (1)-(4), we also removed useless void functions, adding the code called from the notifier inside its own body, and changed the priority of such notifiers to execute late, since they are "heavyweight" for the panic environment, so we aim to reduce risks here. Changed return values to NOTIFY_DONE as well, the standard one. Signed-off-by: Guilherme G. Piccoli <gpiccoli@igalia.com> Link: https://lore.kernel.org/r/20220427224924.592546-14-gpiccoli@igalia.com Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
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Jakub Kicinski
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ee8b7a1156 |
net: make drivers set the TSO limit not the GSO limit
Drivers should call the TSO setting helper, GSO is controllable by user space. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net> |
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Haowen Bai
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f1c8781ac9 |
s390/dasd: Use kzalloc instead of kmalloc/memset
Use kzalloc rather than duplicating its implementation, which makes code simple and easy to understand. Signed-off-by: Haowen Bai <baihaowen@meizu.com> Reviewed-by: Sven Schnelle <svens@linux.ibm.com> Signed-off-by: Stefan Haberland <sth@linux.ibm.com> Link: https://lore.kernel.org/r/20220505141733.1989450-6-sth@linux.ibm.com Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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Jan Höppner
|
b9c10f68e2 |
s390/dasd: Fix read inconsistency for ESE DASD devices
Read requests that return with NRF error are partially completed in
dasd_eckd_ese_read(). The function keeps track of the amount of
processed bytes and the driver will eventually return this information
back to the block layer for further processing via __dasd_cleanup_cqr()
when the request is in the final stage of processing (from the driver's
perspective).
For this, blk_update_request() is used which requires the number of
bytes to complete the request. As per documentation the nr_bytes
parameter is described as follows:
"number of bytes to complete for @req".
This was mistakenly interpreted as "number of bytes _left_ for @req"
leading to new requests with incorrect data length. The consequence are
inconsistent and completely wrong read requests as data from random
memory areas are read back.
Fix this by correctly specifying the amount of bytes that should be used
to complete the request.
Fixes:
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Jan Höppner
|
cd68c48ea1 |
s390/dasd: Fix read for ESE with blksize < 4k
When reading unformatted tracks on ESE devices, the corresponding memory
areas are simply set to zero for each segment. This is done incorrectly
for blocksizes < 4096.
There are two problems. First, the increment of dst is done using the
counter of the loop (off), which is increased by blksize every
iteration. This leads to a much bigger increment for dst as actually
intended. Second, the increment of dst is done before the memory area
is set to 0, skipping a significant amount of bytes of memory.
This leads to illegal overwriting of memory and ultimately to a kernel
panic.
This is not a problem with 4k blocksize because
blk_queue_max_segment_size is set to PAGE_SIZE, always resulting in a
single iteration for the inner segment loop (bv.bv_len == blksize). The
incorrectly used 'off' value to increment dst is 0 and the correct
memory area is used.
In order to fix this for blksize < 4k, increment dst correctly using the
blksize and only do it at the end of the loop.
Fixes:
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Stefan Haberland
|
71f3871657 |
s390/dasd: prevent double format of tracks for ESE devices
For ESE devices we get an error for write operations on an unformatted
track. Afterwards the track will be formatted and the IO operation
restarted.
When using alias devices a track might be accessed by multiple requests
simultaneously and there is a race window that a track gets formatted
twice resulting in data loss.
Prevent this by remembering the amount of formatted tracks when starting
a request and comparing this number before actually formatting a track
on the fly. If the number has changed there is a chance that the current
track was finally formatted in between. As a result do not format the
track and restart the current IO to check.
The number of formatted tracks does not match the overall number of
formatted tracks on the device and it might wrap around but this is no
problem. It is only needed to recognize that a track has been formatted at
all in between.
Fixes:
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Stefan Haberland
|
5b53a405e4 |
s390/dasd: fix data corruption for ESE devices
For ESE devices we get an error when accessing an unformatted track.
The handling of this error will return zero data for read requests and
format the track on demand before writing to it. To do this the code needs
to distinguish between read and write requests. This is done with data from
the blocklayer request. A pointer to the blocklayer request is stored in
the CQR.
If there is an error on the device an ERP request is built to do error
recovery. While the ERP request is mostly a copy of the original CQR the
pointer to the blocklayer request is not copied to not accidentally pass
it back to the blocklayer without cleanup.
This leads to the error that during ESE handling after an ERP request was
built it is not possible to determine the IO direction. This leads to the
formatting of a track for read requests which might in turn lead to data
corruption.
Fixes:
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Jakub Kicinski
|
16d083e28f |
net: switch to netif_napi_add_tx()
Switch net callers to the new API not requiring the NAPI_POLL_WEIGHT argument. Acked-by: Florian Fainelli <f.fainelli@gmail.com> Reviewed-by: Alex Elder <elder@linaro.org> Acked-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Acked-by: Alexandra Winter <wintera@linux.ibm.com> Link: https://lore.kernel.org/r/20220504163725.550782-1-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Christoph Hellwig
|
c3f7652996 |
dasd: don't set the discard_alignment queue limit
The discard_alignment queue limit is named a bit misleading means the offset into the block device at which the discard granularity starts. Setting it to PAGE_SIZE while the discard granularity is the block size that is smaller or the same as PAGE_SIZE as done by dasd is mostly harmless but also useless. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Link: https://lore.kernel.org/r/20220418045314.360785-8-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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Jakub Kicinski
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4bb0c7f09a |
qeth: remove a copy of the NAPI_POLL_WEIGHT define
Defining local versions of NAPI_POLL_WEIGHT with the same values in the drivers just makes refactoring harder. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Acked-by: Alexandra Winter <wintera@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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Thomas Huth
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d4b2945dc9 |
s390/vfio-ap: remove superfluous MODULE_DEVICE_TABLE declaration
The vfio_ap module tries to register for the vfio_ap bus - but that's the interface that it provides itself, so this does not make much sense, thus let's simply drop this statement now. Signed-off-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Tony Krowiak <akrowiak@linux.ibm.com> Link: https://lore.kernel.org/r/20220413094416.412114-1-thuth@redhat.com Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
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Harald Freudenberger
|
2004b57cde |
s390/zcrypt: code cleanup
This patch tries to fix as much as possible of the checkpatch.pl --strict findings: CHECK: Logical continuations should be on the previous line CHECK: No space is necessary after a cast CHECK: Alignment should match open parenthesis CHECK: 'useable' may be misspelled - perhaps 'usable'? WARNING: Possible repeated word: 'is' CHECK: spaces preferred around that '*' (ctx:VxV) CHECK: Comparison to NULL could be written "!msg" CHECK: Prefer kzalloc(sizeof(*zc)...) over kzalloc(sizeof(struct...)...) CHECK: Unnecessary parentheses around resp_type->work CHECK: Avoid CamelCase: <xcRB> There is no functional change comming with this patch, only code cleanup, renaming, whitespaces, indenting, ... but no semantic change in any way. Also the API (zcrypt and pkey header file) is semantically unchanged. Signed-off-by: Harald Freudenberger <freude@linux.ibm.com> Reviewed-by: Jürgen Christ <jchrist@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
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Harald Freudenberger
|
6acb086d9f |
s390/zcrypt: cleanup CPRB struct definitions
This patch does a little cleanup on the CPRBX struct in zcrypt.h and the redundant CPRB struct definition in zcrypt_msgtype6.c. Especially some of the misleading fields from the CPRBX struct have been removed. There is no semantic change coming with this patch. The field names changed in the XCRB struct are only related to reserved fields which should never been used. Signed-off-by: Harald Freudenberger <freude@linux.ibm.com> Reviewed-by: Jürgen Christ <jchrist@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
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Harald Freudenberger
|
d9b38e9d0f |
s390/ap: uevent on apmask/aqpmask change
This patch introduces user space notifications for changes on the apmask or aqmask attributes. So it could be possible to write a udev rule to load/unload the vfio_ap kernel module based on changes of these masks. On chance of the apmask or aqmask an AP change event will be produced with an uevent environment variable showing the new APMASK or AQMASK mask. So a change on the apmask triggers an uvevent like this: KERNEL[490.160396] change /devices/ap (ap) ACTION=change DEVPATH=/devices/ap SUBSYSTEM=ap APMASK=0xffffffdfffffffffffffffffffffffffffffffffffffffffffffffffffffffff SEQNUM=13367 and a change on the aqmask looks like this: KERNEL[283.217642] change /devices/ap (ap) ACTION=change DEVPATH=/devices/ap SUBSYSTEM=ap AQMASK=0xfbffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff SEQNUM=13348 Only real changes to the masks are processed - the old and new masks are compared and no action is done if the values are equal (and thus no uevent). The emit of the uevent is the very last action done when a mask change is processed. However, there is no guarantee that all unbind/bind actions caused by the apmask/aqmask changes are completed when the apmask/aqmask change uevent is received in userspace. Signed-off-by: Harald Freudenberger <freude@linux.ibm.com> Tested-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Jürgen Christ <jchrist@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
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Harald Freudenberger
|
28d3417a94 |
s390/zcrypt: add display of ASYM master key verification pattern
This patch extends the sysfs attribute mkvps for CCA cards to show the states and master key verification patterns for the old, current and new ASYM master key registers. With this patch now all relevant master key verification patterns related to a CCA HSM are available with the mkvps sysfs attribute. This is a requirement for some exploiters like the kubernetes cex plugin or initrd code needing to verify the master key verification patterns on HSMs before use. A sample output: cat /sys/devices/ap/card04/04.0005/mkvps AES NEW: empty 0x0000000000000000 AES CUR: valid 0xe9a49a58cd039bed AES OLD: valid 0x7d10d17bc8a409c4 APKA NEW: empty 0x0000000000000000 APKA CUR: valid 0x5f2f27aaa2d59b4a APKA OLD: valid 0x82a5e2cd5030d5ec ASYM NEW: empty 0x00000000000000000000000000000000 ASYM CUR: valid 0x650c25a89c27e716d0e692b6c83f10e5 ASYM OLD: valid 0xf8ae2acf8bfc57f0a0957c732c16078b Signed-off-by: Harald Freudenberger <freude@linux.ibm.com> Reviewed-by: Jörg Schmidbauer <jschmidb@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
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Alexander Egorenkov
|
1b553839e1 |
s390/sclp: add detection of IPL-complete-control facility
The presence of the IPL-complete-control facility can be derived from the hypervisor's SCLP info response. Signed-off-by: Alexander Egorenkov <egorenar@linux.ibm.com> Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
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Krzysztof Kozlowski
|
1e8ee51212 |
s390/cio: Use driver_set_override() instead of open-coding
Use a helper to set driver_override to the reduce amount of duplicated code. Make the driver_override field const char, because it is not modified by the core and it matches other subsystems. Acked-by: Vineeth Vijayan <vneethv@linux.ibm.com> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20220419113435.246203-7-krzysztof.kozlowski@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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|
Jason Gunthorpe
|
6b42f491e1 |
vfio/mdev: Remove mdev_parent_ops
The last useful member in this struct is the supported_type_groups, move it to the mdev_driver and delete mdev_parent_ops. Replace it with mdev_driver as an argument to mdev_register_device() Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Zhi Wang <zhi.a.wang@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20220411141403.86980-33-hch@lst.de Reviewed-by: Kirti Wankhede <kwankhede@nvidia.com> Reviewed-by: Zhi Wang <zhi.a.wang@intel.com> |
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|
Christoph Hellwig
|
70200574cc |
block: remove QUEUE_FLAG_DISCARD
Just use a non-zero max_discard_sectors as an indicator for discard support, similar to what is done for write zeroes. The only places where needs special attention is the RAID5 driver, which must clear discard support for security reasons by default, even if the default stacking rules would allow for it. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Acked-by: Christoph Böhmwalder <christoph.boehmwalder@linbit.com> [drbd] Acked-by: Jan Höppner <hoeppner@linux.ibm.com> [s390] Acked-by: Coly Li <colyli@suse.de> [bcache] Acked-by: David Sterba <dsterba@suse.com> [btrfs] Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com> Link: https://lore.kernel.org/r/20220415045258.199825-25-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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Yu Liao
|
4f45c37ffd |
s390: cleanup timer API use
cleanup the s390's use of the timer API - del_timer() contains timer_pending() condition - mod_timer(timer, expires) is equivalent to: del_timer(timer); timer->expires = expires; add_timer(timer); If the timer is inactive it will be activated, using add_timer() on condition !timer_pending(&private->timer) is redundant. Just cleanup, no logic change. Signed-off-by: Yu Liao <liaoyu15@huawei.com> Link: https://lore.kernel.org/r/20220322030057.1243196-1-liaoyu15@huawei.com Signed-off-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com> |
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Jakob Koschel
|
97f32e1173 |
s390/zcrypt: fix using the correct variable for sizeof()
While the original code is valid, it is not the obvious choice for the sizeof() call and in preparation to limit the scope of the list iterator variable the sizeof should be changed to the size of the variable being allocated. Signed-off-by: Jakob Koschel <jakobkoschel@gmail.com> Signed-off-by: Harald Freudenberger <freude@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com> |
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Tony Krowiak
|
7107822004 |
s390/vfio-ap: fix kernel doc and signature of group notifier functions
The vfio_ap device driver registers a group notifier function to handle the VFIO_GROUP_NOTIFY_SET_KVM event signalling the KVM pointer has been set or cleared. There are two helper functions invoked by the handler function: One called when the KVM pointer has been set, and the other when the pointer is cleared. The kernel doc for both of these functions contains a comment introduced by commit |
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|
Haowen Bai
|
081397d13f |
s390/tape: use bitwise instead of arithmetic operator for flags
This silences the following coccinelle warning: drivers/s390/char/tape_34xx.c:360:38-39: WARNING: sum of probable bitmasks, consider | Signed-off-by: Haowen Bai <baihaowen@meizu.com> Link: https://lore.kernel.org/r/1647334421-29989-1-git-send-email-baihaowen@meizu.com Signed-off-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com> |