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4273 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
|
35b51afd23 |
RISC-V Patches for the 5.19 Merge Window, Part 1
* Support for the Svpbmt extension, which allows memory attributes to be encoded in pages. * Support for the Allwinner D1's implementation of page-based memory attributes. * Support for running rv32 binaries on rv64 systems, via the compat subsystem. * Support for kexec_file(). * Support for the new generic ticket-based spinlocks, which allows us to also move to qrwlock. These should have already gone in through the asm-geneic tree as well. * A handful of cleanups and fixes, include some larger ones around atomics and XIP. -----BEGIN PGP SIGNATURE----- iQJHBAABCAAxFiEEKzw3R0RoQ7JKlDp6LhMZ81+7GIkFAmKWOx8THHBhbG1lckBk YWJiZWx0LmNvbQAKCRAuExnzX7sYieAiEADAUdP7ctoaSQwk5skd/fdA3b4KJuKn 1Zjl+Br32WP0DlbirYBYWRUQZnCCsvABbTiwSJMcG7NBpU5pyQ5XDtB3OA5kJswO Fdp8Nd53//+GK1M5zdEM9OdgvT9fbfTZ3qTu8bKsROOQhGwnYL+Csc9KjFRqEmzN oQii0jlb3n5PM4FL3GsbV4uMn9zzkP9mnVAPQktcock2EKFEK/Fy3uNYMQiO2KPi n8O6bIDaeRdQ6SurzWOuOkt0cro0tEF85ilzT04mynQsOU0el5oGqCxnOhNH3VWg ndqPT6Yafw12hZOtbKJeP+nF8IIR6aJLP3jOtRwEVgcfbXYAw4QwbAV8kQZISefN ipn8JGY7GX9Y9TYU692OUGkcmAb3/dxb6c0WihBdvJ0M6YyLD5X+YKHNuG2onLgK ss43C5Mxsu629rsjdu/PV91B1+pve3rG9siVmF+g4eo0x9rjMq6/JB0Kal/8SLI1 Je5T55d5ujV1a2XxhZLQOSD5owrK7J1M9owb0bloTnr9nVwFTWDrfEQEU82o3kP+ Xm+FfXktnz9ai55NjkMbbEur5D++dKJhBavwCTnBcTrJmMtEH0R45GTK9ZehP+WC rNVrRXjIsS18wsTfJxnkZeFQA38as6VBKTzvwHvOgzTrrZU1/xk3lpkouYtAO6BG gKacHshVilmUuA== =Loi6 -----END PGP SIGNATURE----- Merge tag 'riscv-for-linus-5.19-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux Pull RISC-V updates from Palmer Dabbelt: - Support for the Svpbmt extension, which allows memory attributes to be encoded in pages - Support for the Allwinner D1's implementation of page-based memory attributes - Support for running rv32 binaries on rv64 systems, via the compat subsystem - Support for kexec_file() - Support for the new generic ticket-based spinlocks, which allows us to also move to qrwlock. These should have already gone in through the asm-geneic tree as well - A handful of cleanups and fixes, include some larger ones around atomics and XIP * tag 'riscv-for-linus-5.19-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (51 commits) RISC-V: Prepare dropping week attribute from arch_kexec_apply_relocations[_add] riscv: compat: Using seperated vdso_maps for compat_vdso_info RISC-V: Fix the XIP build RISC-V: Split out the XIP fixups into their own file RISC-V: ignore xipImage RISC-V: Avoid empty create_*_mapping definitions riscv: Don't output a bogus mmu-type on a no MMU kernel riscv: atomic: Add custom conditional atomic operation implementation riscv: atomic: Optimize dec_if_positive functions riscv: atomic: Cleanup unnecessary definition RISC-V: Load purgatory in kexec_file RISC-V: Add purgatory RISC-V: Support for kexec_file on panic RISC-V: Add kexec_file support RISC-V: use memcpy for kexec_file mode kexec_file: Fix kexec_file.c build error for riscv platform riscv: compat: Add COMPAT Kbuild skeletal support riscv: compat: ptrace: Add compat_arch_ptrace implement riscv: compat: signal: Add rt_frame implementation riscv: add memory-type errata for T-Head ... |
||
|
Linus Torvalds
|
6112bd00e8 |
powerpc updates for 5.19
- Convert to the generic mmap support (ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT). - Add support for outline-only KASAN with 64-bit Radix MMU (P9 or later). - Increase SIGSTKSZ and MINSIGSTKSZ and add support for AT_MINSIGSTKSZ. - Enable the DAWR (Data Address Watchpoint) on POWER9 DD2.3 or later. - Drop support for system call instruction emulation. - Many other small features and fixes. Thanks to: Alexey Kardashevskiy, Alistair Popple, Andy Shevchenko, Bagas Sanjaya, Bjorn Helgaas, Bo Liu, Chen Huang, Christophe Leroy, Colin Ian King, Daniel Axtens, Dwaipayan Ray, Fabiano Rosas, Finn Thain, Frank Rowand, Fuqian Huang, Guilherme G. Piccoli, Hangyu Hua, Haowen Bai, Haren Myneni, Hari Bathini, He Ying, Jason Wang, Jiapeng Chong, Jing Yangyang, Joel Stanley, Julia Lawall, Kajol Jain, Kevin Hao, Krzysztof Kozlowski, Laurent Dufour, Lv Ruyi, Madhavan Srinivasan, Magali Lemes, Miaoqian Lin, Minghao Chi, Nathan Chancellor, Naveen N. Rao, Nicholas Piggin, Oliver O'Halloran, Oscar Salvador, Pali Rohár, Paul Mackerras, Peng Wu, Qing Wang, Randy Dunlap, Reza Arbab, Russell Currey, Sohaib Mohamed, Vaibhav Jain, Vasant Hegde, Wang Qing, Wang Wensheng, Xiang wangx, Xiaomeng Tong, Xu Wang, Yang Guang, Yang Li, Ye Bin, YueHaibing, Yu Kuai, Zheng Bin, Zou Wei, Zucheng Zheng. -----BEGIN PGP SIGNATURE----- iQJHBAABCAAxFiEEJFGtCPCthwEv2Y/bUevqPMjhpYAFAmKSEgETHG1wZUBlbGxl cm1hbi5pZC5hdQAKCRBR6+o8yOGlgJpLEACee7mu2I00Z7VWtW5ckT4RFbAXYZcM Hv5DbTnVB2ItoQMRHvG52DNbR73j9HnYrz8kpwfTBVk90udxVP14L/swXDs3xbT4 riXEYtJ1DRVc/bLiOK637RLPWNrmmZStWZme7k0Y9Ki5Aif8i1Erjjq7EIy47m9j j1MTcwp3ND7IsBON2nZ3PkttEHhevKvOwCPb/BWtPMDV0OhyQUFKB2SNegrlCrkT wshDgdQcYqbIix98PoGa2ZfUVgFQD3JVLzXa4sLpqouzGD+HvEFStOFa2Gq/ZEvV zunaeXDdZUCjlib6KvA8+aumBbIQ1s/urrDbxd+3BuYxZ094vNP1B428NT1AWVtl 3bEZQIN8GSx0v9aHxZ8HePsAMXgG9d2o0xC9EMQ430+cqroN+6UHP7lkekwkprb7 U9EpZCG9U8jV6SDcaMigW3tooEjn657we0R8nZG2NgUNssdSHVh/JYxGDALPXIAk awL3NQrR0tYF3Y3LJm5AxdQrK1hJH8E+hZFCZvIpUXGsr/uf9Gemy/62pD1rhrr/ niULpxIneRGkJiXB5qdGy8pRu27ED53k7Ky6+8MWSEFQl1mUsHSryYACWz939D8c DydhBwQqDTl6Ozs41a5TkVjIRLOCrZADUd/VZM6A4kEOqPJ5t2Gz22Bn8ya1z6Ks 5Sx6vrGH7GnDjA== =15oQ -----END PGP SIGNATURE----- Merge tag 'powerpc-5.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc updates from Michael Ellerman: - Convert to the generic mmap support (ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT) - Add support for outline-only KASAN with 64-bit Radix MMU (P9 or later) - Increase SIGSTKSZ and MINSIGSTKSZ and add support for AT_MINSIGSTKSZ - Enable the DAWR (Data Address Watchpoint) on POWER9 DD2.3 or later - Drop support for system call instruction emulation - Many other small features and fixes Thanks to Alexey Kardashevskiy, Alistair Popple, Andy Shevchenko, Bagas Sanjaya, Bjorn Helgaas, Bo Liu, Chen Huang, Christophe Leroy, Colin Ian King, Daniel Axtens, Dwaipayan Ray, Fabiano Rosas, Finn Thain, Frank Rowand, Fuqian Huang, Guilherme G. Piccoli, Hangyu Hua, Haowen Bai, Haren Myneni, Hari Bathini, He Ying, Jason Wang, Jiapeng Chong, Jing Yangyang, Joel Stanley, Julia Lawall, Kajol Jain, Kevin Hao, Krzysztof Kozlowski, Laurent Dufour, Lv Ruyi, Madhavan Srinivasan, Magali Lemes, Miaoqian Lin, Minghao Chi, Nathan Chancellor, Naveen N. Rao, Nicholas Piggin, Oliver O'Halloran, Oscar Salvador, Pali Rohár, Paul Mackerras, Peng Wu, Qing Wang, Randy Dunlap, Reza Arbab, Russell Currey, Sohaib Mohamed, Vaibhav Jain, Vasant Hegde, Wang Qing, Wang Wensheng, Xiang wangx, Xiaomeng Tong, Xu Wang, Yang Guang, Yang Li, Ye Bin, YueHaibing, Yu Kuai, Zheng Bin, Zou Wei, and Zucheng Zheng. * tag 'powerpc-5.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (200 commits) powerpc/64: Include cache.h directly in paca.h powerpc/64s: Only set HAVE_ARCH_UNMAPPED_AREA when CONFIG_PPC_64S_HASH_MMU is set powerpc/xics: Include missing header powerpc/powernv/pci: Drop VF MPS fixup powerpc/fsl_book3e: Don't set rodata RO too early powerpc/microwatt: Add mmu bits to device tree powerpc/powernv/flash: Check OPAL flash calls exist before using powerpc/powermac: constify device_node in of_irq_parse_oldworld() powerpc/powermac: add missing g5_phy_disable_cpu1() declaration selftests/powerpc/pmu: fix spelling mistake "mis-match" -> "mismatch" powerpc: Enable the DAWR on POWER9 DD2.3 and above powerpc/64s: Add CPU_FTRS_POWER10 to ALWAYS mask powerpc/64s: Add CPU_FTRS_POWER9_DD2_2 to CPU_FTRS_ALWAYS mask powerpc: Fix all occurences of "the the" selftests/powerpc/pmu/ebb: remove fixed_instruction.S powerpc/platforms/83xx: Use of_device_get_match_data() powerpc/eeh: Drop redundant spinlock initialization powerpc/iommu: Add missing of_node_put in iommu_init_early_dart powerpc/pseries/vas: Call misc_deregister if sysfs init fails powerpc/papr_scm: Fix leaking nvdimm_events_map elements ... |
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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
...
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Linus Torvalds
|
98931dd95f |
Yang Shi has improved the behaviour of khugepaged collapsing of readonly
file-backed transparent hugepages.
Johannes Weiner has arranged for zswap memory use to be tracked and
managed on a per-cgroup basis.
Munchun Song adds a /proc knob ("hugetlb_optimize_vmemmap") for runtime
enablement of the recent huge page vmemmap optimization feature.
Baolin Wang contributes a series to fix some issues around hugetlb
pagetable invalidation.
Zhenwei Pi has fixed some interactions between hwpoisoned pages and
virtualization.
Tong Tiangen has enabled the use of the presently x86-only
page_table_check debugging feature on arm64 and riscv.
David Vernet has done some fixup work on the memcg selftests.
Peter Xu has taught userfaultfd to handle write protection faults against
shmem- and hugetlbfs-backed files.
More DAMON development from SeongJae Park - adding online tuning of the
feature and support for monitoring of fixed virtual address ranges. Also
easier discovery of which monitoring operations are available.
Nadav Amit has done some optimization of TLB flushing during mprotect().
Neil Brown continues to labor away at improving our swap-over-NFS support.
David Hildenbrand has some fixes to anon page COWing versus
get_user_pages().
Peng Liu fixed some errors in the core hugetlb code.
Joao Martins has reduced the amount of memory consumed by device-dax's
compound devmaps.
Some cleanups of the arch-specific pagemap code from Anshuman Khandual.
Muchun Song has found and fixed some errors in the TLB flushing of
transparent hugepages.
Roman Gushchin has done more work on the memcg selftests.
And, of course, many smaller fixes and cleanups. Notably, the customary
million cleanup serieses from Miaohe Lin.
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Merge tag 'mm-stable-2022-05-25' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull MM updates from Andrew Morton:
"Almost all of MM here. A few things are still getting finished off,
reviewed, etc.
- Yang Shi has improved the behaviour of khugepaged collapsing of
readonly file-backed transparent hugepages.
- Johannes Weiner has arranged for zswap memory use to be tracked and
managed on a per-cgroup basis.
- Munchun Song adds a /proc knob ("hugetlb_optimize_vmemmap") for
runtime enablement of the recent huge page vmemmap optimization
feature.
- Baolin Wang contributes a series to fix some issues around hugetlb
pagetable invalidation.
- Zhenwei Pi has fixed some interactions between hwpoisoned pages and
virtualization.
- Tong Tiangen has enabled the use of the presently x86-only
page_table_check debugging feature on arm64 and riscv.
- David Vernet has done some fixup work on the memcg selftests.
- Peter Xu has taught userfaultfd to handle write protection faults
against shmem- and hugetlbfs-backed files.
- More DAMON development from SeongJae Park - adding online tuning of
the feature and support for monitoring of fixed virtual address
ranges. Also easier discovery of which monitoring operations are
available.
- Nadav Amit has done some optimization of TLB flushing during
mprotect().
- Neil Brown continues to labor away at improving our swap-over-NFS
support.
- David Hildenbrand has some fixes to anon page COWing versus
get_user_pages().
- Peng Liu fixed some errors in the core hugetlb code.
- Joao Martins has reduced the amount of memory consumed by
device-dax's compound devmaps.
- Some cleanups of the arch-specific pagemap code from Anshuman
Khandual.
- Muchun Song has found and fixed some errors in the TLB flushing of
transparent hugepages.
- Roman Gushchin has done more work on the memcg selftests.
... and, of course, many smaller fixes and cleanups. Notably, the
customary million cleanup serieses from Miaohe Lin"
* tag 'mm-stable-2022-05-25' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (381 commits)
mm: kfence: use PAGE_ALIGNED helper
selftests: vm: add the "settings" file with timeout variable
selftests: vm: add "test_hmm.sh" to TEST_FILES
selftests: vm: check numa_available() before operating "merge_across_nodes" in ksm_tests
selftests: vm: add migration to the .gitignore
selftests/vm/pkeys: fix typo in comment
ksm: fix typo in comment
selftests: vm: add process_mrelease tests
Revert "mm/vmscan: never demote for memcg reclaim"
mm/kfence: print disabling or re-enabling message
include/trace/events/percpu.h: cleanup for "percpu: improve percpu_alloc_percpu event trace"
include/trace/events/mmflags.h: cleanup for "tracing: incorrect gfp_t conversion"
mm: fix a potential infinite loop in start_isolate_page_range()
MAINTAINERS: add Muchun as co-maintainer for HugeTLB
zram: fix Kconfig dependency warning
mm/shmem: fix shmem folio swapoff hang
cgroup: fix an error handling path in alloc_pagecache_max_30M()
mm: damon: use HPAGE_PMD_SIZE
tracing: incorrect isolate_mote_t cast in mm_vmscan_lru_isolate
nodemask.h: fix compilation error with GCC12
...
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Linus Torvalds
|
3f306ea2e1 |
dma-mapping updates for Linux 5.19
- don't over-decrypt memory (Robin Murphy)
- takes min align mask into account for the swiotlb max mapping size
(Tianyu Lan)
- use GFP_ATOMIC in dma-debug (Mikulas Patocka)
- fix DMA_ATTR_NO_KERNEL_MAPPING on xen/arm (me)
- don't fail on highmem CMA pages in dma_direct_alloc_pages (me)
- cleanup swiotlb initialization and share more code with swiotlb-xen
(me, Stefano Stabellini)
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Merge tag 'dma-mapping-5.19-2022-05-25' of git://git.infradead.org/users/hch/dma-mapping
Pull dma-mapping updates from Christoph Hellwig:
- don't over-decrypt memory (Robin Murphy)
- takes min align mask into account for the swiotlb max mapping size
(Tianyu Lan)
- use GFP_ATOMIC in dma-debug (Mikulas Patocka)
- fix DMA_ATTR_NO_KERNEL_MAPPING on xen/arm (me)
- don't fail on highmem CMA pages in dma_direct_alloc_pages (me)
- cleanup swiotlb initialization and share more code with swiotlb-xen
(me, Stefano Stabellini)
* tag 'dma-mapping-5.19-2022-05-25' of git://git.infradead.org/users/hch/dma-mapping: (23 commits)
dma-direct: don't over-decrypt memory
swiotlb: max mapping size takes min align mask into account
swiotlb: use the right nslabs-derived sizes in swiotlb_init_late
swiotlb: use the right nslabs value in swiotlb_init_remap
swiotlb: don't panic when the swiotlb buffer can't be allocated
dma-debug: change allocation mode from GFP_NOWAIT to GFP_ATIOMIC
dma-direct: don't fail on highmem CMA pages in dma_direct_alloc_pages
swiotlb-xen: fix DMA_ATTR_NO_KERNEL_MAPPING on arm
x86: remove cruft from <asm/dma-mapping.h>
swiotlb: remove swiotlb_init_with_tbl and swiotlb_init_late_with_tbl
swiotlb: merge swiotlb-xen initialization into swiotlb
swiotlb: provide swiotlb_init variants that remap the buffer
swiotlb: pass a gfp_mask argument to swiotlb_init_late
swiotlb: add a SWIOTLB_ANY flag to lift the low memory restriction
swiotlb: make the swiotlb_init interface more useful
x86: centralize setting SWIOTLB_FORCE when guest memory encryption is enabled
x86: remove the IOMMU table infrastructure
MIPS/octeon: use swiotlb_init instead of open coding it
arm/xen: don't check for xen_initial_domain() in xen_create_contiguous_region
swiotlb: rename swiotlb_late_init_with_default_size
...
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||
|
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
|
b699da3dc2 |
KVM/riscv changes for 5.19
- 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 -----BEGIN PGP SIGNATURE----- iQIyBAABCgAdFiEEZdn75s5e6LHDQ+f/rUjsVaLHLAcFAmKHGu8ACgkQrUjsVaLH LAe1sQ/40ltbl/v0cW+zkuUOem+apmJMhtoCfh2Pv00yUYftUNw01Uu+NN04T70x PYwbu0O8j4dgIFNRPU7VQBVI+fJydkgEr3kpk8UOCCGKiE0NAcFoQv70ngPObc4W L425i2RviZuQUXLTFsoLOb246p8V8lkfbEQKqWksFEROYWFbdNKmaLpfVqq3Bia2 +G8L2OyAHGjUXgIdOnflZHxowJg4ueGob3iH+4AhZNUpIQYtlKSfi/eo0vmzf5Uz bD35o6y4G7NnZJyZoKb3QAEt0WQ55YDsNN62XrULQ7GEuWnpez+Jhw3jtrAr59Q7 m8n93NMKKJ9CbnsspFJ+4nHCd2Gb4i99Py70IW6Ro22DL8KRrLDv2ZQi3dJCGrAT MtER+12coglkgjhDmLn6MMEjWkgbXXxQCEs4OQ8VMORtHAsOQEszu5TCEnihXr2q +uUZ5O0G6eDowctOVMTdqVMtj1u1AT7fZ68evvk4omNnoFWjkQzd4sVPNDJtK+nC 7mA9IUyC2LSvr/oNNpcuIZsKU6OzQUQ5ISTMpbP/HJInFcvYbJTl0I8UcvjzlImo 81CZTUQOY9kQE+VUTHcGqPr0TjN/YlfF//koiCfeTycN0jbRZZ9rpcRQ38R8sDsS yy7JQqwpi/x8me9ldt5r19ky5zMlCKpnQfGX6ws+umhqVEHBKw== =Xznv -----END PGP SIGNATURE----- Merge tag 'kvm-riscv-5.19-1' of https://github.com/kvm-riscv/linux into HEAD KVM/riscv changes for 5.19 - 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 |
||
|
Paolo Bonzini
|
47e8eec832 |
KVM/arm64 updates for 5.19
- 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 -----BEGIN PGP SIGNATURE----- iQJDBAABCgAtFiEEn9UcU+C1Yxj9lZw9I9DQutE9ekMFAmKGAGsPHG1hekBrZXJu ZWwub3JnAAoJECPQ0LrRPXpDB/gQAMhyZ+wCG0OMEZhwFF6iDfxVEX2Kw8L41NtD a/e6LDWuIOGihItpRkYROc5myG74D7XckF2Bz3G7HJoU4vhwHOV/XulE26GFizoC O1GVRekeSUY81wgS1yfo0jojLupBkTjiq3SjTHoDP7GmCM0qDPBtA0QlMRzd2bMs Kx0+UUXZUHFSTXc7Lp4vqNH+tMp7se+yRx7hxm6PCM5zG+XYJjLxnsZ0qpchObgU 7f6YFojsLUs1SexgiUqJ1RChVQ+FkgICh5HyzORvGtHNNzK6D2sIbsW6nqMGAMql Kr3A5O/VOkCztSYnLxaa76/HqD21mvUrXvr3grhabNc7rOmuzWV0dDgr6c6wHKHb uNCtH4d7Ra06gUrEOrfsgLOLn0Zqik89y6aIlMsnTudMg9gMNgFHy1jz4LM7vMkY FS5AVj059heg2uJcfgTvzzcqneyuBLBmF3dS4coowO6oaj8SycpaEmP5e89zkPMI 1kk8d0e6RmXuCh/2AJ8GxxnKvBPgqp2mMKXOCJ8j4AmHEDX/CKpEBBqIWLKkplUU 8DGiOWJUtRZJg398dUeIpiVLoXJthMODjAnkKkuhiFcQbXomlwgg7YSnNAz6TRED Z7KR2leC247kapHnnagf02q2wED8pBeyrxbQPNdrHtSJ9Usm4nTkY443HgVTJW3s aTwPZAQ7 =mh7W -----END PGP SIGNATURE----- Merge tag 'kvmarm-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD KVM/arm64 updates for 5.19 - 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 [Due to the conflict, KVM_SYSTEM_EVENT_SEV_TERM is relocated from 4 to 6. - Paolo] |
||
|
Linus Torvalds
|
0bf13a8436 |
kernel-hardening updates for v5.19-rc1
- usercopy hardening expanded to check other allocation types (Matthew Wilcox, Yuanzheng Song) - arm64 stackleak behavioral improvements (Mark Rutland) - arm64 CFI code gen improvement (Sami Tolvanen) - LoadPin LSM block dev API adjustment (Christoph Hellwig) - Clang randstruct support (Bill Wendling, Kees Cook) -----BEGIN PGP SIGNATURE----- iQJKBAABCgA0FiEEpcP2jyKd1g9yPm4TiXL039xtwCYFAmKL1kMWHGtlZXNjb29r QGNocm9taXVtLm9yZwAKCRCJcvTf3G3AJlz6D/9lYEwDQYwKVK6fsXdgcs/eUkqc P06KGm7jDiYiua34LMpgu35wkRcxVDzB92kzQmt7yaVqhlIGjO9wnP+uZrq8q/LS X9FSb457fREg0XLPX5XC60abHYyikvgJMf06dSLaBcRq1Wzqwp5JZPpLZJUAM2ab rM1Vq0brfF1+lPAPECx1sYYNksP9XTw0dtzUu8D9tlTQDFAhKYhV6Io5yRFkA4JH ELSHjJHlNgLYeZE5IfWHRQBb+yofjnt61IwoVkqa5lSfoyvKpBPF5G+3gOgtdkyv A8So2aG/bMNUUY80Th5ojiZ6V7z5SYjUmHRil6I/swAdkc825n2wM+AQqsxv6U4I VvGz3cxaKklERw5N+EJw4amivcgm1jEppZ7qCx9ysLwVg/LI050qhv/T10TYPmOX 0sQEpZvbKuqGb6nzWo6DME8OpZ27yIa/oRzBHdkIkfkEefYlKWS+dfvWb/73cltj jx066Znk1hHZWGT48EsRmxdGAHn4kfIMcMgIs1ki1OO2II6LoXyaFJ0wSAYItxpz 5gCmDMjkGFRrtXXPEhi6kfKKpOuQux+BmpbVfEzox7Gnrf45sp92cYLncmpAsFB3 91nPa4/utqb/9ijFCIinazLdcUBPO8I1C8FOHDWSFCnNt4d3j2ozpLbrKWyQsm7+ RCGdcy+NU/FH1FwZlg== =nxsC -----END PGP SIGNATURE----- Merge tag 'kernel-hardening-v5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull kernel hardening updates from Kees Cook: - usercopy hardening expanded to check other allocation types (Matthew Wilcox, Yuanzheng Song) - arm64 stackleak behavioral improvements (Mark Rutland) - arm64 CFI code gen improvement (Sami Tolvanen) - LoadPin LSM block dev API adjustment (Christoph Hellwig) - Clang randstruct support (Bill Wendling, Kees Cook) * tag 'kernel-hardening-v5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: (34 commits) loadpin: stop using bdevname mm: usercopy: move the virt_addr_valid() below the is_vmalloc_addr() gcc-plugins: randstruct: Remove cast exception handling af_unix: Silence randstruct GCC plugin warning niu: Silence randstruct warnings big_keys: Use struct for internal payload gcc-plugins: Change all version strings match kernel randomize_kstack: Improve docs on requirements/rationale lkdtm/stackleak: fix CONFIG_GCC_PLUGIN_STACKLEAK=n arm64: entry: use stackleak_erase_on_task_stack() stackleak: add on/off stack variants lkdtm/stackleak: check stack boundaries lkdtm/stackleak: prevent unexpected stack usage lkdtm/stackleak: rework boundary management lkdtm/stackleak: avoid spurious failure stackleak: rework poison scanning stackleak: rework stack high bound handling stackleak: clarify variable names stackleak: rework stack low bound handling stackleak: remove redundant check ... |
||
|
Linus Torvalds
|
143a6252e1 |
arm64 updates for 5.19:
- Initial support for the ARMv9 Scalable Matrix Extension (SME). SME takes the approach used for vectors in SVE and extends this to provide architectural support for matrix operations. No KVM support yet, SME is disabled in guests. - Support for crashkernel reservations above ZONE_DMA via the 'crashkernel=X,high' command line option. - btrfs search_ioctl() fix for live-lock with sub-page faults. - arm64 perf updates: support for the Hisilicon "CPA" PMU for monitoring coherent I/O traffic, support for Arm's CMN-650 and CMN-700 interconnect PMUs, minor driver fixes, kerneldoc cleanup. - Kselftest updates for SME, BTI, MTE. - Automatic generation of the system register macros from a 'sysreg' file describing the register bitfields. - Update the type of the function argument holding the ESR_ELx register value to unsigned long to match the architecture register size (originally 32-bit but extended since ARMv8.0). - stacktrace cleanups. - ftrace cleanups. - Miscellaneous updates, most notably: arm64-specific huge_ptep_get(), avoid executable mappings in kexec/hibernate code, drop TLB flushing from get_clear_flush() (and rename it to get_clear_contig()), ARCH_NR_GPIO bumped to 2048 for ARCH_APPLE. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE5RElWfyWxS+3PLO2a9axLQDIXvEFAmKH19IACgkQa9axLQDI XvEFWg//bf0p6zjeNaOJmBbyVFsXsVyYiEaLUpFPUs3oB+81s2YZ+9i1rgMrNCft EIDQ9+/HgScKxJxnzWf68heMdcBDbk76VJtLALExbge6owFsjByQDyfb/b3v/bLd ezAcGzc6G5/FlI1IP7ct4Z9MnQry4v5AG8lMNAHjnf6GlBS/tYNAqpmj8HpQfgRQ ZbhfZ8Ayu3TRSLWL39NHVevpmxQm/bGcpP3Q9TtjUqg0r1FQ5sK/LCqOksueIAzT UOgUVYWSFwTpLEqbYitVqgERQp9LiLoK5RmNYCIEydfGM7+qmgoxofSq5e2hQtH2 SZM1XilzsZctRbBbhMit1qDBqMlr/XAy/R5FO0GauETVKTaBhgtj6mZGyeC9nU/+ RGDljaArbrOzRwMtSuXF+Fp6uVo5spyRn1m8UT/k19lUTdrV9z6EX5Fzuc4Mnhed oz4iokbl/n8pDObXKauQspPA46QpxUYhrAs10B/ELc3yyp/Qj3jOfzYHKDNFCUOq HC9mU+YiO9g2TbYgCrrFM6Dah2E8fU6/cR0ZPMeMgWK4tKa+6JMEINYEwak9e7M+ 8lZnvu3ntxiJLN+PrPkiPyG+XBh2sux1UfvNQ+nw4Oi9xaydeX7PCbQVWmzTFmHD q7UPQ8220e2JNCha9pULS8cxDLxiSksce06DQrGXwnHc1Ir7T04= =0DjE -----END PGP SIGNATURE----- Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull arm64 updates from Catalin Marinas: - Initial support for the ARMv9 Scalable Matrix Extension (SME). SME takes the approach used for vectors in SVE and extends this to provide architectural support for matrix operations. No KVM support yet, SME is disabled in guests. - Support for crashkernel reservations above ZONE_DMA via the 'crashkernel=X,high' command line option. - btrfs search_ioctl() fix for live-lock with sub-page faults. - arm64 perf updates: support for the Hisilicon "CPA" PMU for monitoring coherent I/O traffic, support for Arm's CMN-650 and CMN-700 interconnect PMUs, minor driver fixes, kerneldoc cleanup. - Kselftest updates for SME, BTI, MTE. - Automatic generation of the system register macros from a 'sysreg' file describing the register bitfields. - Update the type of the function argument holding the ESR_ELx register value to unsigned long to match the architecture register size (originally 32-bit but extended since ARMv8.0). - stacktrace cleanups. - ftrace cleanups. - Miscellaneous updates, most notably: arm64-specific huge_ptep_get(), avoid executable mappings in kexec/hibernate code, drop TLB flushing from get_clear_flush() (and rename it to get_clear_contig()), ARCH_NR_GPIO bumped to 2048 for ARCH_APPLE. * tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (145 commits) arm64/sysreg: Generate definitions for FAR_ELx arm64/sysreg: Generate definitions for DACR32_EL2 arm64/sysreg: Generate definitions for CSSELR_EL1 arm64/sysreg: Generate definitions for CPACR_ELx arm64/sysreg: Generate definitions for CONTEXTIDR_ELx arm64/sysreg: Generate definitions for CLIDR_EL1 arm64/sve: Move sve_free() into SVE code section arm64: Kconfig.platforms: Add comments arm64: Kconfig: Fix indentation and add comments arm64: mm: avoid writable executable mappings in kexec/hibernate code arm64: lds: move special code sections out of kernel exec segment arm64/hugetlb: Implement arm64 specific huge_ptep_get() arm64/hugetlb: Use ptep_get() to get the pte value of a huge page arm64: kdump: Do not allocate crash low memory if not needed arm64/sve: Generate ZCR definitions arm64/sme: Generate defintions for SVCR arm64/sme: Generate SMPRI_EL1 definitions arm64/sme: Automatically generate SMPRIMAP_EL2 definitions arm64/sme: Automatically generate SMIDR_EL1 defines arm64/sme: Automatically generate defines for SMCR ... |
||
|
Linus Torvalds
|
de8ac81747 |
- Remove all the code around GS switching on 32-bit now that it is not
needed anymore - Other misc improvements -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmKLp74ACgkQEsHwGGHe VUpqrhAAgNdNw/vNTTzeOH5ZSNxyIoTQapmrSNev0cXRW4tV2hxuYSa2wPZPJZXx aYhnFxwL7rVy0er7jG/5KaOyzHmrh6PcmqgFdPVo8+yVrfcsPIUqg/4L5peFZh7T ETV2pvFIiB4njkL/pR3mU5uAtTjyO89tD/LclKmc4ndv19vI8maj+k/dCDOnNnEz m4wJMXYWh4bG47/izU5TcTYU7ttTLEiVQ/mC5kEuj7PQeUR0kXKvvLo4rX+lOI2v dQRHgHg/qoNM7uVLd7vV/YdMWwcHchmKG5Y7+a/ogdlwR7a/X9e+lklFSeuxNvyH 8dOHIyzcb6lKTijpqhisZ3o9150ax3Q5FlSWuE3F/9Rcuc1T5eY82kTW2RTOTdV9 xsjob4y+hlpsUfuImupxJLHn685xsYAdqyiG/SPkcnJL++tNBlWiGHX9NqXF5cgw bq4/94Aouxevl0OBxnFBeoQOJvOnf60OY3LHcYR78yEEJyi4iWsC0/TEmD+9IE+r EpC1wz9bHCYbSwZ+yv8u2tNPd/rKxdspPL/6SxT9a+WAVrOZbQAN3VmlOIon6W9O bW5ye6suqBbl/Q1FACVU1xxSNjLTJUTFsB1X3QKGm8E+Kr7/zD1ZtT0WQNvyLMfT p/I4VRcdIxV3eDiYqeTfJ3sTS7IjKHSaZVBnpkZvRh869mMdqCg= =CfX1 -----END PGP SIGNATURE----- Merge tag 'x86_core_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull core x86 updates from Borislav Petkov: - Remove all the code around GS switching on 32-bit now that it is not needed anymore - Other misc improvements * tag 'x86_core_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: bug: Use normal relative pointers in 'struct bug_entry' x86/nmi: Make register_nmi_handler() more robust x86/asm: Merge load_gs_index() x86/32: Remove lazy GS macros ELF: Remove elf_core_copy_kernel_regs() x86/32: Simplify ELF_CORE_COPY_REGS |
||
|
Linus Torvalds
|
fcfde8a7cf |
Updates for interrupt core and drivers:
Core code:
- Make the managed interrupts more robust by shutting them down in the
core code when the assigned affinity mask does not contain online
CPUs.
- Make the irq simulator chip work on RT
- A small set of cpumask and power manageent cleanups
Drivers:
- A set of changes which mark GPIO interrupt chips immutable to prevent
the GPIO subsystem from modifying it under the hood. This provides
the necessary infrastructure and converts a set of GPIO and pinctrl
drivers over.
- A set of changes to make the pseudo-NMI handling for GICv3 more
robust: a missing barrier and consistent handling of the priority
mask.
- Another set of GICv3 improvements and fixes, but nothing outstanding
- The usual set of improvements and cleanups all over the place
- No new irqchip drivers and not even a new device tree binding!
100+ interrupt chips are truly enough.
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Merge tag 'irq-core-2022-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull interrupt handling updates from Thomas Gleixner:
"Core code:
- Make the managed interrupts more robust by shutting them down in
the core code when the assigned affinity mask does not contain
online CPUs.
- Make the irq simulator chip work on RT
- A small set of cpumask and power manageent cleanups
Drivers:
- A set of changes which mark GPIO interrupt chips immutable to
prevent the GPIO subsystem from modifying it under the hood. This
provides the necessary infrastructure and converts a set of GPIO
and pinctrl drivers over.
- A set of changes to make the pseudo-NMI handling for GICv3 more
robust: a missing barrier and consistent handling of the priority
mask.
- Another set of GICv3 improvements and fixes, but nothing
outstanding
- The usual set of improvements and cleanups all over the place
- No new irqchip drivers and not even a new device tree binding!
100+ interrupt chips are truly enough"
* tag 'irq-core-2022-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (39 commits)
irqchip: Add Kconfig symbols for sunxi drivers
irqchip/gic-v3: Fix priority mask handling
irqchip/gic-v3: Refactor ISB + EOIR at ack time
irqchip/gic-v3: Ensure pseudo-NMIs have an ISB between ack and handling
genirq/irq_sim: Make the irq_work always run in hard irq context
irqchip/armada-370-xp: Do not touch Performance Counter Overflow on A375, A38x, A39x
irqchip/gic: Improved warning about incorrect type
irqchip/csky: Return true/false (not 1/0) from bool functions
irqchip/imx-irqsteer: Add runtime PM support
irqchip/imx-irqsteer: Constify irq_chip struct
irqchip/armada-370-xp: Enable MSI affinity configuration
irqchip/aspeed-scu-ic: Fix irq_of_parse_and_map() return value
irqchip/aspeed-i2c-ic: Fix irq_of_parse_and_map() return value
irqchip/sun6i-r: Use NULL for chip_data
irqchip/xtensa-mx: Fix initial IRQ affinity in non-SMP setup
irqchip/exiu: Fix acknowledgment of edge triggered interrupts
irqchip/gic-v3: Claim iomem resources
dt-bindings: interrupt-controller: arm,gic-v3: Make the v2 compat requirements explicit
irqchip/gic-v3: Relax polling of GIC{R,D}_CTLR.RWP
irqchip/gic-v3: Detect LPI invalidation MMIO registers
...
|
||
Catalin Marinas
|
0616ea3f1b |
Merge branch 'for-next/esr-elx-64-bit' into for-next/core
* for-next/esr-elx-64-bit: : Treat ESR_ELx as a 64-bit register. KVM: arm64: uapi: Add kvm_debug_exit_arch.hsr_high KVM: arm64: Treat ESR_EL2 as a 64-bit register arm64: Treat ESR_ELx as a 64-bit register arm64: compat: Do not treat syscall number as ESR_ELx for a bad syscall arm64: Make ESR_ELx_xVC_IMM_MASK compatible with assembly |
||
|
Catalin Marinas
|
e003d5335c |
Merge branch 'for-next/sysreg-gen' into for-next/core
* for-next/sysreg-gen: (32 commits) : Automatic system register definition generation. arm64/sysreg: Generate definitions for FAR_ELx arm64/sysreg: Generate definitions for DACR32_EL2 arm64/sysreg: Generate definitions for CSSELR_EL1 arm64/sysreg: Generate definitions for CPACR_ELx arm64/sysreg: Generate definitions for CONTEXTIDR_ELx arm64/sysreg: Generate definitions for CLIDR_EL1 arm64/sve: Generate ZCR definitions arm64/sme: Generate defintions for SVCR arm64/sme: Generate SMPRI_EL1 definitions arm64/sme: Automatically generate SMPRIMAP_EL2 definitions arm64/sme: Automatically generate SMIDR_EL1 defines arm64/sme: Automatically generate defines for SMCR arm64/sysreg: Support generation of RAZ fields arm64/sme: Remove _EL0 from name of SVCR - FIXME sysreg.h arm64/sme: Standardise bitfield names for SVCR arm64/sme: Drop SYS_ from SMIDR_EL1 defines arm64/fp: Rename SVE and SME LEN field name to _WIDTH arm64/fp: Make SVE and SME length register definition match architecture arm64/sysreg: fix odd line spacing arm64/sysreg: improve comment for regs without fields ... |
||
|
Catalin Marinas
|
201729d53a |
Merge branches 'for-next/sme', 'for-next/stacktrace', 'for-next/fault-in-subpage', 'for-next/misc', 'for-next/ftrace' and 'for-next/crashkernel', remote-tracking branch 'arm64/for-next/perf' into for-next/core
* arm64/for-next/perf: perf/arm-cmn: Decode CAL devices properly in debugfs perf/arm-cmn: Fix filter_sel lookup perf/marvell_cn10k: Fix tad_pmu_event_init() to check pmu type first drivers/perf: hisi: Add Support for CPA PMU drivers/perf: hisi: Associate PMUs in SICL with CPUs online drivers/perf: arm_spe: Expose saturating counter to 16-bit perf/arm-cmn: Add CMN-700 support perf/arm-cmn: Refactor occupancy filter selector perf/arm-cmn: Add CMN-650 support dt-bindings: perf: arm-cmn: Add CMN-650 and CMN-700 perf: check return value of armpmu_request_irq() perf: RISC-V: Remove non-kernel-doc ** comments * for-next/sme: (30 commits) : Scalable Matrix Extensions support. arm64/sve: Move sve_free() into SVE code section arm64/sve: Make kernel FPU protection RT friendly arm64/sve: Delay freeing memory in fpsimd_flush_thread() arm64/sme: More sensibly define the size for the ZA register set arm64/sme: Fix NULL check after kzalloc arm64/sme: Add ID_AA64SMFR0_EL1 to __read_sysreg_by_encoding() arm64/sme: Provide Kconfig for SME KVM: arm64: Handle SME host state when running guests KVM: arm64: Trap SME usage in guest KVM: arm64: Hide SME system registers from guests arm64/sme: Save and restore streaming mode over EFI runtime calls arm64/sme: Disable streaming mode and ZA when flushing CPU state arm64/sme: Add ptrace support for ZA arm64/sme: Implement ptrace support for streaming mode SVE registers arm64/sme: Implement ZA signal handling arm64/sme: Implement streaming SVE signal handling arm64/sme: Disable ZA and streaming mode when handling signals arm64/sme: Implement traps and syscall handling for SME arm64/sme: Implement ZA context switching arm64/sme: Implement streaming SVE context switching ... * for-next/stacktrace: : Stacktrace cleanups. arm64: stacktrace: align with common naming arm64: stacktrace: rename stackframe to unwind_state arm64: stacktrace: rename unwinder functions arm64: stacktrace: make struct stackframe private to stacktrace.c arm64: stacktrace: delete PCS comment arm64: stacktrace: remove NULL task check from unwind_frame() * for-next/fault-in-subpage: : btrfs search_ioctl() live-lock fix using fault_in_subpage_writeable(). btrfs: Avoid live-lock in search_ioctl() on hardware with sub-page faults arm64: Add support for user sub-page fault probing mm: Add fault_in_subpage_writeable() to probe at sub-page granularity * for-next/misc: : Miscellaneous patches. arm64: Kconfig.platforms: Add comments arm64: Kconfig: Fix indentation and add comments arm64: mm: avoid writable executable mappings in kexec/hibernate code arm64: lds: move special code sections out of kernel exec segment arm64/hugetlb: Implement arm64 specific huge_ptep_get() arm64/hugetlb: Use ptep_get() to get the pte value of a huge page arm64: mm: Make arch_faults_on_old_pte() check for migratability arm64: mte: Clean up user tag accessors arm64/hugetlb: Drop TLB flush from get_clear_flush() arm64: Declare non global symbols as static arm64: mm: Cleanup useless parameters in zone_sizes_init() arm64: fix types in copy_highpage() arm64: Set ARCH_NR_GPIO to 2048 for ARCH_APPLE arm64: cputype: Avoid overflow using MIDR_IMPLEMENTOR_MASK arm64: document the boot requirements for MTE arm64/mm: Compute PTRS_PER_[PMD|PUD] independently of PTRS_PER_PTE * for-next/ftrace: : ftrace cleanups. arm64/ftrace: Make function graph use ftrace directly ftrace: cleanup ftrace_graph_caller enable and disable * for-next/crashkernel: : Support for crashkernel reservations above ZONE_DMA. arm64: kdump: Do not allocate crash low memory if not needed docs: kdump: Update the crashkernel description for arm64 of: Support more than one crash kernel regions for kexec -s of: fdt: Add memory for devices by DT property "linux,usable-memory-range" arm64: kdump: Reimplement crashkernel=X arm64: Use insert_resource() to simplify code kdump: return -ENOENT if required cmdline option does not exist |
||
Mark Brown
|
dffdeade18 |
arm64/sysreg: Generate definitions for FAR_ELx
Convert FAR_ELx to automatic register generation as per DDI0487H.a. In the architecture these registers have a single field "named" as "Faulting Virtual Address for synchronous exceptions taken to ELx" occupying the entire register, in order to fit in with the requirement to describe the contents of the register I have created a single field named ADDR. No functional change. Signed-off-by: Mark Brown <broonie@kernel.org> Reviewed-by: Mark Rutland <mark.rutland@arm.com> Link: https://lore.kernel.org/r/20220520161639.324236-7-broonie@kernel.org Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> |
||
|
Mark Brown
|
01baa57ad6 |
arm64/sysreg: Generate definitions for DACR32_EL2
Convert DACR32_EL2 to automatic register generation as per DDI0487H.a, no functional change. Signed-off-by: Mark Brown <broonie@kernel.org> Reviewed-by: Mark Rutland <mark.rutland@arm.com> Link: https://lore.kernel.org/r/20220520161639.324236-6-broonie@kernel.org Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> |
||
|
Mark Brown
|
8bd354b305 |
arm64/sysreg: Generate definitions for CSSELR_EL1
Convert CSSELR_EL1 to automatic generation as per DDI0487H.a, no functional change. Signed-off-by: Mark Brown <broonie@kernel.org> Reviewed-by: Mark Rutland <mark.rutland@arm.com> Link: https://lore.kernel.org/r/20220520161639.324236-5-broonie@kernel.org Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> |
||
|
Mark Brown
|
b5c0f1051d |
arm64/sysreg: Generate definitions for CPACR_ELx
Convert the CPACR system register definitions to be automatically generated using the definitions in DDI0487H.a. The kernel does have some additional definitions for subfields of SMEN, FPEN and ZEN which are not identified as distinct subfields in the architecture so the definitions are not updated as part of this patch. No functional change. Signed-off-by: Mark Brown <broonie@kernel.org> Reviewed-by: Mark Rutland <mark.rutland@arm.com> Link: https://lore.kernel.org/r/20220520161639.324236-4-broonie@kernel.org Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> |
||
|
Mark Brown
|
8c12e22c9f |
arm64/sysreg: Generate definitions for CONTEXTIDR_ELx
Convert the various CONTEXTIDR_ELx register definitions to be automatically generated following the definitions in DDI0487H.a. No functional change. Signed-off-by: Mark Brown <broonie@kernel.org> Reviewed-by: Mark Rutland <mark.rutland@arm.com> Link: https://lore.kernel.org/r/20220520161639.324236-3-broonie@kernel.org Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> |
||
|
Mark Brown
|
af65ea977b |
arm64/sysreg: Generate definitions for CLIDR_EL1
Convert CLIDR_EL1 to be automatically generated with definition as per DDI0487H.a. No functional change. Signed-off-by: Mark Brown <broonie@kernel.org> Reviewed-by: Mark Rutland <mark.rutland@arm.com> Link: https://lore.kernel.org/r/20220520161639.324236-2-broonie@kernel.org Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> |
||
Josh Poimboeuf
|
69505e3d9a |
bug: Use normal relative pointers in 'struct bug_entry'
With CONFIG_GENERIC_BUG_RELATIVE_POINTERS, the addr/file relative pointers are calculated weirdly: based on the beginning of the bug_entry struct address, rather than their respective pointer addresses. Make the relative pointers less surprising to both humans and tools by calculating them the normal way. Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Mark Rutland <mark.rutland@arm.com> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Acked-by: Sven Schnelle <svens@linux.ibm.com> # s390 Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc) Acked-by: Catalin Marinas <catalin.marinas@arm.com> Tested-by: Mark Rutland <mark.rutland@arm.com> [arm64] Link: https://lkml.kernel.org/r/f0e05be797a16f4fc2401eeb88c8450dcbe61df6.1652362951.git.jpoimboe@kernel.org |
||
Tong Tiangen
|
ed928a3402 |
arm64/mm: fix page table check compile error for CONFIG_PGTABLE_LEVELS=2
If CONFIG_PGTABLE_LEVELS=2 and CONFIG_ARCH_SUPPORTS_PAGE_TABLE_CHECK=y, then we trigger a compile error: error: implicit declaration of function 'pte_user_accessible_page' Move the definition of page table check helper out of branch CONFIG_PGTABLE_LEVELS > 2 Link: https://lkml.kernel.org/r/20220517074548.2227779-3-tongtiangen@huawei.com Fixes: daf214c14dbe ("arm64/mm: enable ARCH_SUPPORTS_PAGE_TABLE_CHECK") Signed-off-by: Tong Tiangen <tongtiangen@huawei.com> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Cc: Anshuman Khandual <anshuman.khandual@arm.com> Cc: Pasha Tatashin <pasha.tatashin@soleen.com> Cc: Anshuman Khandual <anshuman.khandual@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Paul Walmsley <paul.walmsley@sifive.com> Cc: Palmer Dabbelt <palmer@dabbelt.com> Cc: Albert Ou <aou@eecs.berkeley.edu> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Guohanjun <guohanjun@huawei.com> Cc: Xie XiuQi <xiexiuqi@huawei.com> Cc: kernel test robot <lkp@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
Jakub Kicinski
|
d7e6f58360 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
drivers/net/ethernet/mellanox/mlx5/core/main.c |
||
Baolin Wang
|
bc5dfb4fd7 |
arm64/hugetlb: Implement arm64 specific huge_ptep_get()
Now we use huge_ptep_get() to get the pte value of a hugetlb page, however it will only return one specific pte value for the CONT-PTE or CONT-PMD size hugetlb on ARM64 system, which can contain several continuous pte or pmd entries with same page table attributes. And it will not take into account the subpages' dirty or young bits of a CONT-PTE/PMD size hugetlb page. So the huge_ptep_get() is inconsistent with huge_ptep_get_and_clear(), which already takes account the dirty or young bits for any subpages in this CONT-PTE/PMD size hugetlb [1]. Meanwhile we can miss dirty or young flags statistics for hugetlb pages with current huge_ptep_get(), such as the gather_hugetlb_stats() function, and CONT-PTE/PMD hugetlb monitoring with DAMON. Thus define an ARM64 specific huge_ptep_get() implementation as well as enabling __HAVE_ARCH_HUGE_PTEP_GET, that will take into account any subpages' dirty or young bits for CONT-PTE/PMD size hugetlb page, for those functions that want to check the dirty and young flags of a hugetlb page. [1] https://lore.kernel.org/linux-mm/85bd80b4-b4fd-0d3f-a2e5-149559f2f387@oracle.com/ Suggested-by: Muchun Song <songmuchun@bytedance.com> Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com> Reviewed-by: Muchun Song <songmuchun@bytedance.com> Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com> Link: https://lore.kernel.org/r/624109a80ac4bbdf1e462dfa0b49e9f7c31a7c0d.1652496622.git.baolin.wang@linux.alibaba.com Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> |
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Mark Brown
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89e9fb3274 |
arm64/sve: Generate ZCR definitions
Convert the various ZCR instances to automatic generation, no functional changes expected. Signed-off-by: Mark Brown <broonie@kernel.org> Reviewed-by: Mark Rutland <mark.rutland@arm.com> Link: https://lore.kernel.org/r/20220510161208.631259-13-broonie@kernel.org Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> |
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Mark Brown
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11e12a91c1 |
arm64/sme: Generate defintions for SVCR
Convert SVCR to automatic generation, no functional change. Signed-off-by: Mark Brown <broonie@kernel.org> Reviewed-by: Mark Rutland <mark.rutland@arm.com> Link: https://lore.kernel.org/r/20220510161208.631259-12-broonie@kernel.org Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> |
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Mark Brown
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9321f0492b |
arm64/sme: Generate SMPRI_EL1 definitions
Convert SMPRI_EL1 to be generated. No functional change. Signed-off-by: Mark Brown <broonie@kernel.org> Reviewed-by: Mark Rutland <mark.rutland@arm.com> Link: https://lore.kernel.org/r/20220510161208.631259-11-broonie@kernel.org Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> |
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Mark Brown
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8e053810e6 |
arm64/sme: Automatically generate SMPRIMAP_EL2 definitions
No functional change should be seen from converting SMPRIMAP_EL2 to be generated. Signed-off-by: Mark Brown <broonie@kernel.org> Reviewed-by: Mark Rutland <mark.rutland@arm.com> Link: https://lore.kernel.org/r/20220510161208.631259-10-broonie@kernel.org Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> |
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Mark Brown
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c37b8700b7 |
arm64/sme: Automatically generate SMIDR_EL1 defines
Automatically generate the defines for SMIDR_EL1, no functional change. Signed-off-by: Mark Brown <broonie@kernel.org> Reviewed-by: Mark Rutland <mark.rutland@arm.com> Link: https://lore.kernel.org/r/20220510161208.631259-9-broonie@kernel.org Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> |
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Mark Brown
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0d1322e7ea |
arm64/sme: Automatically generate defines for SMCR
Convert SMCR to use the register definition code, no functional change. Signed-off-by: Mark Brown <broonie@kernel.org> Reviewed-by: Mark Rutland <mark.rutland@arm.com> Link: https://lore.kernel.org/r/20220510161208.631259-8-broonie@kernel.org Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> |
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Mark Brown
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ec0067a63e |
arm64/sme: Remove _EL0 from name of SVCR - FIXME sysreg.h
The defines for SVCR call it SVCR_EL0 however the architecture calls the register SVCR with no _EL0 suffix. In preparation for generating the sysreg definitions rename to match the architecture, no functional change. Signed-off-by: Mark Brown <broonie@kernel.org> Link: https://lore.kernel.org/r/20220510161208.631259-6-broonie@kernel.org Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> |
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Mark Brown
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e65fc01bf2 |
arm64/sme: Standardise bitfield names for SVCR
The bitfield definitions for SVCR have a SYS_ added to the names of the constant which will be a problem for automatic generation. Remove the prefixes, no functional change. Signed-off-by: Mark Brown <broonie@kernel.org> Link: https://lore.kernel.org/r/20220510161208.631259-5-broonie@kernel.org Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> |
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Mark Brown
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a6dab6cc0f |
arm64/sme: Drop SYS_ from SMIDR_EL1 defines
We currently have a non-standard SYS_ prefix in the constants generated for SMIDR_EL1 bitfields. Drop this in preparation for automatic register definition generation, no functional change. Signed-off-by: Mark Brown <broonie@kernel.org> Link: https://lore.kernel.org/r/20220510161208.631259-4-broonie@kernel.org Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> |
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Mark Brown
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5b06dcfd9e |
arm64/fp: Rename SVE and SME LEN field name to _WIDTH
The SVE and SVE length configuration field LEN have constants specifying their width called _SIZE rather than the more normal _WIDTH, in preparation for automatic generation rename to _WIDTH. No functional change. Signed-off-by: Mark Brown <broonie@kernel.org> Link: https://lore.kernel.org/r/20220510161208.631259-3-broonie@kernel.org Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> |
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Mark Brown
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f171f9e409 |
arm64/fp: Make SVE and SME length register definition match architecture
Currently (as of DDI0487H.a) the architecture defines the vector length control field in ZCR and SMCR as being 4 bits wide with an additional 5 bits reserved above it marked as RAZ/WI for future expansion. The kernel currently attempts to anticipate such expansion by treating these extra bits as part of the LEN field but this will be inconvenient when we start generating the defines and would cause problems in the event that the architecture goes a different direction with these fields. Let's instead change the defines to reflect the currently defined architecture, we can update in future as needed. No change in behaviour should be seen in any system, even emulated systems using the maximum allowed vector length for the current architecture. Signed-off-by: Mark Brown <broonie@kernel.org> Link: https://lore.kernel.org/r/20220510161208.631259-2-broonie@kernel.org Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> |
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Catalin Marinas
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8c00c8f02f |
Merge branch 'for-next/sme' into for-next/sysreg-gen
* for-next/sme: (29 commits) : Scalable Matrix Extensions support. arm64/sve: Make kernel FPU protection RT friendly arm64/sve: Delay freeing memory in fpsimd_flush_thread() arm64/sme: More sensibly define the size for the ZA register set arm64/sme: Fix NULL check after kzalloc arm64/sme: Add ID_AA64SMFR0_EL1 to __read_sysreg_by_encoding() arm64/sme: Provide Kconfig for SME KVM: arm64: Handle SME host state when running guests KVM: arm64: Trap SME usage in guest KVM: arm64: Hide SME system registers from guests arm64/sme: Save and restore streaming mode over EFI runtime calls arm64/sme: Disable streaming mode and ZA when flushing CPU state arm64/sme: Add ptrace support for ZA arm64/sme: Implement ptrace support for streaming mode SVE registers arm64/sme: Implement ZA signal handling arm64/sme: Implement streaming SVE signal handling arm64/sme: Disable ZA and streaming mode when handling signals arm64/sme: Implement traps and syscall handling for SME arm64/sme: Implement ZA context switching arm64/sme: Implement streaming SVE context switching arm64/sme: Implement SVCR context switching ... |
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Valentin Schneider
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c733812dd7 |
arm64: mm: Make arch_faults_on_old_pte() check for migratability
arch_faults_on_old_pte() relies on the calling context being non-preemptible. CONFIG_PREEMPT_RT turns the PTE lock into a sleepable spinlock, which doesn't disable preemption once acquired, triggering the warning in arch_faults_on_old_pte(). It does however disable migration, ensuring the task remains on the same CPU during the entirety of the critical section, making the read of cpu_has_hw_af() safe and stable. Make arch_faults_on_old_pte() check cant_migrate() instead of preemptible(). Cc: Valentin Schneider <vschneid@redhat.com> Suggested-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Valentin Schneider <valentin.schneider@arm.com> Link: https://lore.kernel.org/r/20220127192437.1192957-1-valentin.schneider@arm.com Acked-by: Catalin Marinas <catalin.marinas@arm.com> Link: https://lore.kernel.org/r/20220505163207.85751-4-bigeasy@linutronix.de Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> |
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Marc Zyngier
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822ca7f82b |
Merge branch kvm-arm64/misc-5.19 into kvmarm-master/next
* kvm-arm64/misc-5.19: : . : Misc fixes and general improvements for KVMM/arm64: : : - Better handle out of sequence sysregs in the global tables : : - Remove a couple of unnecessary loads from constant pool : : - Drop unnecessary pKVM checks : : - Add all known M1 implementations to the SEIS workaround : : - Cleanup kerneldoc warnings : . KVM: arm64: vgic-v3: List M1 Pro/Max as requiring the SEIS workaround KVM: arm64: pkvm: Don't mask already zeroed FEAT_SVE KVM: arm64: pkvm: Drop unnecessary FP/SIMD trap handler KVM: arm64: nvhe: Eliminate kernel-doc warnings KVM: arm64: Avoid unnecessary absolute addressing via literals KVM: arm64: Print emulated register table name when it is unsorted KVM: arm64: Don't BUG_ON() if emulated register table is unsorted Signed-off-by: Marc Zyngier <maz@kernel.org> |
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Marc Zyngier
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8794b4f510 |
Merge branch kvm-arm64/per-vcpu-host-pmu-data into kvmarm-master/next
* kvm-arm64/per-vcpu-host-pmu-data: : . : Pass the host PMU state in the vcpu to avoid the use of additional : shared memory between EL1 and EL2 (this obviously only applies : to nVHE and Protected setups). : : Patches courtesy of Fuad Tabba. : . KVM: arm64: pmu: Restore compilation when HW_PERF_EVENTS isn't selected KVM: arm64: Reenable pmu in Protected Mode KVM: arm64: Pass pmu events to hyp via vcpu KVM: arm64: Repack struct kvm_pmu to reduce size KVM: arm64: Wrapper for getting pmu_events Signed-off-by: Marc Zyngier <maz@kernel.org> |
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Marc Zyngier
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3b8e21e3c3 |
Merge branch kvm-arm64/psci-suspend into kvmarm-master/next
* kvm-arm64/psci-suspend: : . : Add support for PSCI SYSTEM_SUSPEND and allow userspace to : filter the wake-up events. : : Patches courtesy of Oliver. : . Documentation: KVM: Fix title level for PSCI_SUSPEND selftests: KVM: Test SYSTEM_SUSPEND PSCI call selftests: KVM: Refactor psci_test to make it amenable to new tests selftests: KVM: Use KVM_SET_MP_STATE to power off vCPU in psci_test selftests: KVM: Create helper for making SMCCC calls selftests: KVM: Rename psci_cpu_on_test to psci_test KVM: arm64: Implement PSCI SYSTEM_SUSPEND KVM: arm64: Add support for userspace to suspend a vCPU KVM: arm64: Return a value from check_vcpu_requests() KVM: arm64: Rename the KVM_REQ_SLEEP handler KVM: arm64: Track vCPU power state using MP state values KVM: arm64: Dedupe vCPU power off helpers KVM: arm64: Don't depend on fallthrough to hide SYSTEM_RESET2 Signed-off-by: Marc Zyngier <maz@kernel.org> |
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Marc Zyngier
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0586e28aaa |
Merge branch kvm-arm64/hcall-selection into kvmarm-master/next
* kvm-arm64/hcall-selection: : . : Introduce a new set of virtual sysregs for userspace to : select the hypercalls it wants to see exposed to the guest. : : Patches courtesy of Raghavendra and Oliver. : . KVM: arm64: Fix hypercall bitmap writeback when vcpus have already run KVM: arm64: Hide KVM_REG_ARM_*_BMAP_BIT_COUNT from userspace Documentation: Fix index.rst after psci.rst renaming selftests: KVM: aarch64: Add the bitmap firmware registers to get-reg-list selftests: KVM: aarch64: Introduce hypercall ABI test selftests: KVM: Create helper for making SMCCC calls selftests: KVM: Rename psci_cpu_on_test to psci_test tools: Import ARM SMCCC definitions Docs: KVM: Add doc for the bitmap firmware registers Docs: KVM: Rename psci.rst to hypercalls.rst KVM: arm64: Add vendor hypervisor firmware register KVM: arm64: Add standard hypervisor firmware register KVM: arm64: Setup a framework for hypercall bitmap firmware registers KVM: arm64: Factor out firmware register handling from psci.c Signed-off-by: Marc Zyngier <maz@kernel.org> |
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Marc Zyngier
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20492a62b9 |
KVM: arm64: pmu: Restore compilation when HW_PERF_EVENTS isn't selected
Moving kvm_pmu_events into the vcpu (and refering to it) broke the somewhat unusual case where the kernel has no support for a PMU at all. In order to solve this, move things around a bit so that we can easily avoid refering to the pmu structure outside of PMU-aware code. As a bonus, pmu.c isn't compiled in when HW_PERF_EVENTS isn't selected. Reported-by: kernel test robot <lkp@intel.com> Reviewed-by: Fuad Tabba <tabba@google.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/202205161814.KQHpOzsJ-lkp@intel.com |
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Mark Rutland
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6efb509237 |
irqchip/gic-v3: Refactor ISB + EOIR at ack time
There are cases where a context synchronization event is necessary between an IRQ being raised and being handled, and there are races such that we cannot rely upon the exception entry being subsequent to the interrupt being raised. To fix this, we place an ISB between a read of IAR and the subsequent invocation of an IRQ handler. When EOI mode 1 is in use, we need to EOI an interrupt prior to invoking its handler, and we have a write to EOIR for this. As this write to EOIR requires an ISB, and this is provided by the gic_write_eoir() helper, we omit the usual ISB in this case, with the logic being: | if (static_branch_likely(&supports_deactivate_key)) | gic_write_eoir(irqnr); | else | isb(); This is somewhat opaque, and it would be a little clearer if there were an unconditional ISB, with only the write to EOIR being conditional, e.g. | if (static_branch_likely(&supports_deactivate_key)) | write_gicreg(irqnr, ICC_EOIR1_EL1); | | isb(); This patch rewrites the code that way, with this logic factored into a new helper function with comments explaining what the ISB is for, as were originally laid out in commit: |
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Marc Zyngier
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2cde51f1e1 |
KVM: arm64: Hide KVM_REG_ARM_*_BMAP_BIT_COUNT from userspace
These constants will change over time, and userspace has no business knowing about them. Hide them behind __KERNEL__. Signed-off-by: Marc Zyngier <maz@kernel.org> |
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Fuad Tabba
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84d751a019 |
KVM: arm64: Pass pmu events to hyp via vcpu
Instead of the host accessing hyp data directly, pass the pmu events of the current cpu to hyp via the vcpu. This adds 64 bits (in two fields) to the vcpu that need to be synced before every vcpu run in nvhe and protected modes. However, it isolates the hypervisor from the host, which allows us to use pmu in protected mode in a subsequent patch. No visible side effects in behavior intended. Signed-off-by: Fuad Tabba <tabba@google.com> Reviewed-by: Oliver Upton <oupton@google.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20220510095710.148178-4-tabba@google.com |
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Marc Zyngier
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cae889302e |
KVM: arm64: vgic-v3: List M1 Pro/Max as requiring the SEIS workaround
Unsusprisingly, Apple M1 Pro/Max have the exact same defect as the original M1 and generate random SErrors in the host when a guest tickles the GICv3 CPU interface the wrong way. Add the part numbers for both the CPU types found in these two new implementations, and add them to the hall of shame. This also applies to the Ultra version, as it is composed of 2 Max SoCs. Signed-off-by: Marc Zyngier <maz@kernel.org> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Link: https://lore.kernel.org/r/20220514102524.3188730-1-maz@kernel.org |
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Baolin Wang
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ae07562909 |
mm: change huge_ptep_clear_flush() to return the original pte
Patch series "Fix CONT-PTE/PMD size hugetlb issue when unmapping or migrating", v4. presently, migrating a hugetlb page or unmapping a poisoned hugetlb page, we'll use ptep_clear_flush() and set_pte_at() to nuke the page table entry and remap it, and this is incorrect for CONT-PTE or CONT-PMD size hugetlb page, which will cause potential data consistent issue. This patch set will change to use hugetlb related APIs to fix this issue. Note: Mike pointed out the huge_ptep_get() will only return the one specific value, and it would not take into account the dirty or young bits of CONT-PTE/PMDs like the huge_ptep_get_and_clear() [1]. This inconsistent issue is not introduced by this patch set, and this issue will be addressed in another thread [2]. Meanwhile the uffd for hugetlb case [3] pointed out by Gerald also needs another patch to address. [1] https://lore.kernel.org/linux-mm/85bd80b4-b4fd-0d3f-a2e5-149559f2f387@oracle.com/ [2] https://lore.kernel.org/all/cover.1651998586.git.baolin.wang@linux.alibaba.com/ [3] https://lore.kernel.org/linux-mm/20220503120343.6264e126@thinkpad/ This patch (of 3): It is incorrect to use ptep_clear_flush() to nuke a hugetlb page table when unmapping or migrating a hugetlb page, and will change to use huge_ptep_clear_flush() instead in the following patches. So this is a preparation patch, which changes the huge_ptep_clear_flush() to return the original pte to help to nuke a hugetlb page table. [baolin.wang@linux.alibaba.com: fix build in several more architectures] Link: https://lkml.kernel.org/r/0009a4cd-2826-e8be-e671-f050d4f18d5d@linux.alibaba.com [sfr@canb.auug.org.au: fixup] Link: https://lkml.kernel.org/r/20220511181531.7f27a5c1@canb.auug.org.au Link: https://lkml.kernel.org/r/cover.1652270205.git.baolin.wang@linux.alibaba.com Link: https://lkml.kernel.org/r/20f77ddab90baa249bd24504c413189b82acde69.1652270205.git.baolin.wang@linux.alibaba.com Link: https://lkml.kernel.org/r/cover.1652147571.git.baolin.wang@linux.alibaba.com Link: https://lkml.kernel.org/r/dcf065868cce35bceaf138613ad27f17bb7c0c19.1652147571.git.baolin.wang@linux.alibaba.com Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com> Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Acked-by: Mike Kravetz <mike.kravetz@oracle.com> Reviewed-by: Muchun Song <songmuchun@bytedance.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: James Bottomley <James.Bottomley@HansenPartnership.com> Cc: Helge Deller <deller@gmx.de> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Heiko Carstens <hca@linux.ibm.com> Cc: Vasily Gorbik <gor@linux.ibm.com> Cc: Alexander Gordeev <agordeev@linux.ibm.com> Cc: Christian Borntraeger <borntraeger@linux.ibm.com> Cc: Sven Schnelle <svens@linux.ibm.com> Cc: Yoshinori Sato <ysato@users.osdn.me> Cc: Rich Felker <dalias@libc.org> Cc: David S. Miller <davem@davemloft.net> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Gerald Schaefer <gerald.schaefer@linux.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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Linus Torvalds
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364a453ab9 |
hotfixes for 5.18-rc7
-----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQTTMBEPP41GrTpTJgfdBJ7gKXxAjgUCYnvwxgAKCRDdBJ7gKXxA jhymAQDvHnFT3F5ydvBqApbzrQRUk/+fkkQSrF/xYawknZNgkAEA6Tnh9XqYplJN bbmml6HTVvDjprEOCGakY/Kyz7qmdQ0= =SMJQ -----END PGP SIGNATURE----- Merge tag 'mm-hotfixes-stable-2022-05-11' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Pull misc fixes from Andrew Morton: "Seven MM fixes, three of which address issues added in the most recent merge window, four of which are cc:stable. Three non-MM fixes, none very serious" [ And yes, that's a real pull request from Andrew, not me creating a branch from emailed patches. Woo-hoo! ] * tag 'mm-hotfixes-stable-2022-05-11' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: MAINTAINERS: add a mailing list for DAMON development selftests: vm: Makefile: rename TARGETS to VMTARGETS mm/kfence: reset PG_slab and memcg_data before freeing __kfence_pool mailmap: add entry for martyna.szapar-mudlaw@intel.com arm[64]/memremap: don't abuse pfn_valid() to ensure presence of linear map procfs: prevent unprivileged processes accessing fdinfo dir mm: mremap: fix sign for EFAULT error return value mm/hwpoison: use pr_err() instead of dump_page() in get_any_page() mm/huge_memory: do not overkill when splitting huge_zero_page Revert "mm/memory-failure.c: skip huge_zero_page in memory_failure()" |
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Kefeng Wang
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42b2547137 |
arm64/mm: enable ARCH_SUPPORTS_PAGE_TABLE_CHECK
As commit
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