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Commit f9af88a3d384c8b55beb5dc5483e5da0135fadbd upstream.
It will be used by other x86 mitigations.
No functional changes.
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Pull OpenRISC updates from Stafford Horne:
- Support for cacheinfo API to expose OpenRISC cache info via sysfs,
this also translated to some cleanups to OpenRISC cache flush and
invalidate API's
- Documentation updates for new mailing list and toolchain binaries
* tag 'for-linus' of https://github.com/openrisc/linux:
Documentation: openrisc: Update toolchain binaries URL
Documentation: openrisc: Update mailing list
openrisc: Add cacheinfo support
openrisc: Introduce new utility functions to flush and invalidate caches
openrisc: Refactor struct cpuinfo_or1k to reduce duplication
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The old development toolchain binaries were hosted in the or1k-gcc
development github repo release page. However, now that we have all
code upstream I cut releases from stable upstream tarballs. It does not
make sense to tag the or1k-gcc github repo releases for these stable
releases.
Update the toolchain binaries URL to point to where they are now hosted
on the or1k-toolchain-build github release page.
Signed-off-by: Stafford Horne <shorne@gmail.com>
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The librecores.org mailing list was replaced with vger.kernel.org last
year after the old mail server went offline. Update the docs to reflect
the new list.
Signed-off-by: Stafford Horne <shorne@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
- A fix for an issue where C instructions ended up in non-C builds, due
to some broken inline assembly in the KGDB breakpoint insertion code
- A fix to avoid spurious printk messages about misaligned access
performance probing
- A fix for a handful of issues with /proc/iomem's reserved region
handling
- A pair of fixes for module relocation processing
- A few build-time fixes
* tag 'riscv-for-linus-6.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: KGDB: Remove ".option norvc/.option rvc" for kgdb_compiled_break
riscv: KGDB: Do not inline arch_kgdb_breakpoint()
riscv: Avoid fortify warning in syscall_get_arguments()
riscv: Provide all alternative macros all the time
riscv: module: Allocate PLT entries for R_RISCV_PLT32
riscv: module: Fix out-of-bounds relocation access
riscv: Properly export reserved regions in /proc/iomem
riscv: Fix unaligned access info messages
riscv: Avoid fortify warning in syscall_get_arguments()
Documentation: riscv: Fix typo MIMPLID -> MIMPID
riscv: Use kvmalloc_array on relocation_hashtable
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The subsections already have numbering - no need for the letters too.
Zap the latter.
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20250409111435.GEZ_ZWmz3_lkP8S9Lb@fat_crate.local
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Commit:
78ce84b9e0a5 ("x86/cpufeatures: Flip the /proc/cpuinfo appearance logic")
changed how CPU feature names should be specified. Update document to
reflect the same.
Signed-off-by: Naveen N Rao (AMD) <naveen@kernel.org>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20250409111341.GDZ_ZWZS4LckBcirLE@fat_crate.local
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The macro that is really defined is RISCV_HWPROBE_KEY_MIMPID, not
RISCV_HWPROBE_KEY_MIMPLID (difference is the 'L').
Also, the riscv privileged specification names the register "mimpid", not
"mimplid".
Correct these typos.
Signed-off-by: Nam Cao <namcao@linutronix.de>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Evan Green <evan@rivosinc.com>
Link: https://lore.kernel.org/r/20240925142532.31808-1-namcao@linutronix.de
Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V updates from Palmer Dabbelt:
- The sub-architecture selection Kconfig system has been cleaned up,
the documentation has been improved, and various detections have been
fixed
- The vector-related extensions dependencies are now validated when
parsing from device tree and in the DT bindings
- Misaligned access probing can be overridden via a kernel command-line
parameter, along with various fixes to misalign access handling
- Support for relocatable !MMU kernels builds
- Support for hpge pfnmaps, which should improve TLB utilization
- Support for runtime constants, which improves the d_hash()
performance
- Support for bfloat16, Zicbom, Zaamo, Zalrsc, Zicntr, Zihpm
- Various fixes, including:
- We were missing a secondary mmu notifier call when flushing the
tlb which is required for IOMMU
- Fix ftrace panics by saving the registers as expected by ftrace
- Fix a couple of stimecmp usage related to cpu hotplug
- purgatory_start is now aligned as per the STVEC requirements
- A fix for hugetlb when calculating the size of non-present PTEs
* tag 'riscv-for-linus-6.15-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (65 commits)
riscv: Add norvc after .option arch in runtime const
riscv: Make sure toolchain supports zba before using zba instructions
riscv/purgatory: 4B align purgatory_start
riscv/kexec_file: Handle R_RISCV_64 in purgatory relocator
selftests: riscv: fix v_exec_initval_nolibc.c
riscv: Fix hugetlb retrieval of number of ptes in case of !present pte
riscv: print hartid on bringup
riscv: Add norvc after .option arch in runtime const
riscv: Remove CONFIG_PAGE_OFFSET
riscv: Support CONFIG_RELOCATABLE on riscv32
asm-generic: Always define Elf_Rel and Elf_Rela
riscv: Support CONFIG_RELOCATABLE on NOMMU
riscv: Allow NOMMU kernels to access all of RAM
riscv: Remove duplicate CONFIG_PAGE_OFFSET definition
RISC-V: errata: Use medany for relocatable builds
dt-bindings: riscv: document vector crypto requirements
dt-bindings: riscv: add vector sub-extension dependencies
dt-bindings: riscv: d requires f
RISC-V: add f & d extension validation checks
RISC-V: add vector crypto extension validation checks
...
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull more powerpc updates from Michael Ellerman:
- Remove the IBM CAPI (cxl) driver
Thanks to Andrew Donnellan.
* tag 'powerpc-6.15-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
docs: Fix references to IBM CAPI (cxl) removal version
cxl: Remove driver
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This merges in the removal of the IBM CAPI "cxl" driver.
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull MM updates from Andrew Morton:
- The series "Enable strict percpu address space checks" from Uros
Bizjak uses x86 named address space qualifiers to provide
compile-time checking of percpu area accesses.
This has caused a small amount of fallout - two or three issues were
reported. In all cases the calling code was found to be incorrect.
- The series "Some cleanup for memcg" from Chen Ridong implements some
relatively monir cleanups for the memcontrol code.
- The series "mm: fixes for device-exclusive entries (hmm)" from David
Hildenbrand fixes a boatload of issues which David found then using
device-exclusive PTE entries when THP is enabled. More work is
needed, but this makes thins better - our own HMM selftests now
succeed.
- The series "mm: zswap: remove z3fold and zbud" from Yosry Ahmed
remove the z3fold and zbud implementations. They have been deprecated
for half a year and nobody has complained.
- The series "mm: further simplify VMA merge operation" from Lorenzo
Stoakes implements numerous simplifications in this area. No runtime
effects are anticipated.
- The series "mm/madvise: remove redundant mmap_lock operations from
process_madvise()" from SeongJae Park rationalizes the locking in the
madvise() implementation. Performance gains of 20-25% were observed
in one MADV_DONTNEED microbenchmark.
- The series "Tiny cleanup and improvements about SWAP code" from
Baoquan He contains a number of touchups to issues which Baoquan
noticed when working on the swap code.
- The series "mm: kmemleak: Usability improvements" from Catalin
Marinas implements a couple of improvements to the kmemleak
user-visible output.
- The series "mm/damon/paddr: fix large folios access and schemes
handling" from Usama Arif provides a couple of fixes for DAMON's
handling of large folios.
- The series "mm/damon/core: fix wrong and/or useless damos_walk()
behaviors" from SeongJae Park fixes a few issues with the accuracy of
kdamond's walking of DAMON regions.
- The series "expose mapping wrprotect, fix fb_defio use" from Lorenzo
Stoakes changes the interaction between framebuffer deferred-io and
core MM. No functional changes are anticipated - this is preparatory
work for the future removal of page structure fields.
- The series "mm/damon: add support for hugepage_size DAMOS filter"
from Usama Arif adds a DAMOS filter which permits the filtering by
huge page sizes.
- The series "mm: permit guard regions for file-backed/shmem mappings"
from Lorenzo Stoakes extends the guard region feature from its
present "anon mappings only" state. The feature now covers shmem and
file-backed mappings.
- The series "mm: batched unmap lazyfree large folios during
reclamation" from Barry Song cleans up and speeds up the unmapping
for pte-mapped large folios.
- The series "reimplement per-vma lock as a refcount" from Suren
Baghdasaryan puts the vm_lock back into the vma. Our reasons for
pulling it out were largely bogus and that change made the code more
messy. This patchset provides small (0-10%) improvements on one
microbenchmark.
- The series "Docs/mm/damon: misc DAMOS filters documentation fixes and
improves" from SeongJae Park does some maintenance work on the DAMON
docs.
- The series "hugetlb/CMA improvements for large systems" from Frank
van der Linden addresses a pile of issues which have been observed
when using CMA on large machines.
- The series "mm/damon: introduce DAMOS filter type for unmapped pages"
from SeongJae Park enables users of DMAON/DAMOS to filter my the
page's mapped/unmapped status.
- The series "zsmalloc/zram: there be preemption" from Sergey
Senozhatsky teaches zram to run its compression and decompression
operations preemptibly.
- The series "selftests/mm: Some cleanups from trying to run them" from
Brendan Jackman fixes a pile of unrelated issues which Brendan
encountered while runnimg our selftests.
- The series "fs/proc/task_mmu: add guard region bit to pagemap" from
Lorenzo Stoakes permits userspace to use /proc/pid/pagemap to
determine whether a particular page is a guard page.
- The series "mm, swap: remove swap slot cache" from Kairui Song
removes the swap slot cache from the allocation path - it simply
wasn't being effective.
- The series "mm: cleanups for device-exclusive entries (hmm)" from
David Hildenbrand implements a number of unrelated cleanups in this
code.
- The series "mm: Rework generic PTDUMP configs" from Anshuman Khandual
implements a number of preparatoty cleanups to the GENERIC_PTDUMP
Kconfig logic.
- The series "mm/damon: auto-tune aggregation interval" from SeongJae
Park implements a feedback-driven automatic tuning feature for
DAMON's aggregation interval tuning.
- The series "Fix lazy mmu mode" from Ryan Roberts fixes some issues in
powerpc, sparc and x86 lazy MMU implementations. Ryan did this in
preparation for implementing lazy mmu mode for arm64 to optimize
vmalloc.
- The series "mm/page_alloc: Some clarifications for migratetype
fallback" from Brendan Jackman reworks some commentary to make the
code easier to follow.
- The series "page_counter cleanup and size reduction" from Shakeel
Butt cleans up the page_counter code and fixes a size increase which
we accidentally added late last year.
- The series "Add a command line option that enables control of how
many threads should be used to allocate huge pages" from Thomas
Prescher does that. It allows the careful operator to significantly
reduce boot time by tuning the parallalization of huge page
initialization.
- The series "Fix calculations in trace_balance_dirty_pages() for cgwb"
from Tang Yizhou fixes the tracing output from the dirty page
balancing code.
- The series "mm/damon: make allow filters after reject filters useful
and intuitive" from SeongJae Park improves the handling of allow and
reject filters. Behaviour is made more consistent and the documention
is updated accordingly.
- The series "Switch zswap to object read/write APIs" from Yosry Ahmed
updates zswap to the new object read/write APIs and thus permits the
removal of some legacy code from zpool and zsmalloc.
- The series "Some trivial cleanups for shmem" from Baolin Wang does as
it claims.
- The series "fs/dax: Fix ZONE_DEVICE page reference counts" from
Alistair Popple regularizes the weird ZONE_DEVICE page refcount
handling in DAX, permittig the removal of a number of special-case
checks.
- The series "refactor mremap and fix bug" from Lorenzo Stoakes is a
preparatoty refactoring and cleanup of the mremap() code.
- The series "mm: MM owner tracking for large folios (!hugetlb) +
CONFIG_NO_PAGE_MAPCOUNT" from David Hildenbrand reworks the manner in
which we determine whether a large folio is known to be mapped
exclusively into a single MM.
- The series "mm/damon: add sysfs dirs for managing DAMOS filters based
on handling layers" from SeongJae Park adds a couple of new sysfs
directories to ease the management of DAMON/DAMOS filters.
- The series "arch, mm: reduce code duplication in mem_init()" from
Mike Rapoport consolidates many per-arch implementations of
mem_init() into code generic code, where that is practical.
- The series "mm/damon/sysfs: commit parameters online via
damon_call()" from SeongJae Park continues the cleaning up of sysfs
access to DAMON internal data.
- The series "mm: page_ext: Introduce new iteration API" from Luiz
Capitulino reworks the page_ext initialization to fix a boot-time
crash which was observed with an unusual combination of compile and
cmdline options.
- The series "Buddy allocator like (or non-uniform) folio split" from
Zi Yan reworks the code to split a folio into smaller folios. The
main benefit is lessened memory consumption: fewer post-split folios
are generated.
- The series "Minimize xa_node allocation during xarry split" from Zi
Yan reduces the number of xarray xa_nodes which are generated during
an xarray split.
- The series "drivers/base/memory: Two cleanups" from Gavin Shan
performs some maintenance work on the drivers/base/memory code.
- The series "Add tracepoints for lowmem reserves, watermarks and
totalreserve_pages" from Martin Liu adds some more tracepoints to the
page allocator code.
- The series "mm/madvise: cleanup requests validations and
classifications" from SeongJae Park cleans up some warts which
SeongJae observed during his earlier madvise work.
- The series "mm/hwpoison: Fix regressions in memory failure handling"
from Shuai Xue addresses two quite serious regressions which Shuai
has observed in the memory-failure implementation.
- The series "mm: reliable huge page allocator" from Johannes Weiner
makes huge page allocations cheaper and more reliable by reducing
fragmentation.
- The series "Minor memcg cleanups & prep for memdescs" from Matthew
Wilcox is preparatory work for the future implementation of memdescs.
- The series "track memory used by balloon drivers" from Nico Pache
introduces a way to track memory used by our various balloon drivers.
- The series "mm/damon: introduce DAMOS filter type for active pages"
from Nhat Pham permits users to filter for active/inactive pages,
separately for file and anon pages.
- The series "Adding Proactive Memory Reclaim Statistics" from Hao Jia
separates the proactive reclaim statistics from the direct reclaim
statistics.
- The series "mm/vmscan: don't try to reclaim hwpoison folio" from
Jinjiang Tu fixes our handling of hwpoisoned pages within the reclaim
code.
* tag 'mm-stable-2025-03-30-16-52' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (431 commits)
mm/page_alloc: remove unnecessary __maybe_unused in order_to_pindex()
x86/mm: restore early initialization of high_memory for 32-bits
mm/vmscan: don't try to reclaim hwpoison folio
mm/hwpoison: introduce folio_contain_hwpoisoned_page() helper
cgroup: docs: add pswpin and pswpout items in cgroup v2 doc
mm: vmscan: split proactive reclaim statistics from direct reclaim statistics
selftests/mm: speed up split_huge_page_test
selftests/mm: uffd-unit-tests support for hugepages > 2M
docs/mm/damon/design: document active DAMOS filter type
mm/damon: implement a new DAMOS filter type for active pages
fs/dax: don't disassociate zero page entries
MM documentation: add "Unaccepted" meminfo entry
selftests/mm: add commentary about 9pfs bugs
fork: use __vmalloc_node() for stack allocation
docs/mm: Physical Memory: Populate the "Zones" section
xen: balloon: update the NR_BALLOON_PAGES state
hv_balloon: update the NR_BALLOON_PAGES state
balloon_compaction: update the NR_BALLOON_PAGES state
meminfo: add a per node counter for balloon drivers
mm: remove references to folio in __memcg_kmem_uncharge_page()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Madhavan Srinivasan:
- Remove support for IBM Cell Blades
- SMP support for microwatt platform
- Support for inline static calls on PPC32
- Enable pmu selftests for power11 platform
- Enable hardware trace macro (HTM) hcall support
- Support for limited address mode capability
- Changes to RMA size from 512 MB to 768 MB to handle fadump
- Misc fixes and cleanups
Thanks to Abhishek Dubey, Amit Machhiwal, Andreas Schwab, Arnd Bergmann,
Athira Rajeev, Avnish Chouhan, Christophe Leroy, Disha Goel, Donet Tom,
Gaurav Batra, Gautam Menghani, Hari Bathini, Kajol Jain, Kees Cook,
Mahesh Salgaonkar, Michael Ellerman, Paul Mackerras, Ritesh Harjani
(IBM), Sathvika Vasireddy, Segher Boessenkool, Sourabh Jain, Vaibhav
Jain, and Venkat Rao Bagalkote.
* tag 'powerpc-6.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (61 commits)
powerpc/kexec: fix physical address calculation in clear_utlb_entry()
crypto: powerpc: Mark ghashp8-ppc.o as an OBJECT_FILES_NON_STANDARD
powerpc: Fix 'intra_function_call not a direct call' warning
powerpc/perf: Fix ref-counting on the PMU 'vpa_pmu'
KVM: PPC: Enable CAP_SPAPR_TCE_VFIO on pSeries KVM guests
powerpc/prom_init: Fixup missing #size-cells on PowerBook6,7
powerpc/microwatt: Add SMP support
powerpc: Define config option for processors with broadcast TLBIE
powerpc/microwatt: Define an idle power-save function
powerpc/microwatt: Device-tree updates
powerpc/microwatt: Select COMMON_CLK in order to get the clock framework
net: toshiba: Remove reference to PPC_IBM_CELL_BLADE
net: spider_net: Remove powerpc Cell driver
cpufreq: ppc_cbe: Remove powerpc Cell driver
genirq: Remove IRQ_EDGE_EOI_HANDLER
docs: Remove reference to removed CBE_CPUFREQ_SPU_GOVERNOR
powerpc: Remove UDBG_RTAS_CONSOLE
powerpc/io: Use standard barrier macros in io.c
powerpc/io: Rename _insw_ns() etc.
powerpc/io: Use generic raw accessors
...
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from Jakub Kicinski:
"Core & protocols:
- Continue Netlink conversions to per-namespace RTNL lock
(IPv4 routing, routing rules, routing next hops, ARP ioctls)
- Continue extending the use of netdev instance locks. As a driver
opt-in protect queue operations and (in due course) ethtool
operations with the instance lock and not RTNL lock.
- Support collecting TCP timestamps (data submitted, sent, acked) in
BPF, allowing for transparent (to the application) and lower
overhead tracking of TCP RPC performance.
- Tweak existing networking Rx zero-copy infra to support zero-copy
Rx via io_uring.
- Optimize MPTCP performance in single subflow mode by 29%.
- Enable GRO on packets which went thru XDP CPU redirect (were queued
for processing on a different CPU). Improving TCP stream
performance up to 2x.
- Improve performance of contended connect() by 200% by searching for
an available 4-tuple under RCU rather than a spin lock. Bring an
additional 229% improvement by tweaking hash distribution.
- Avoid unconditionally touching sk_tsflags on RX, improving
performance under UDP flood by as much as 10%.
- Avoid skb_clone() dance in ping_rcv() to improve performance under
ping flood.
- Avoid FIB lookup in netfilter if socket is available, 20% perf win.
- Rework network device creation (in-kernel) API to more clearly
identify network namespaces and their roles. There are up to 4
namespace roles but we used to have just 2 netns pointer arguments,
interpreted differently based on context.
- Use sysfs_break_active_protection() instead of trylock to avoid
deadlocks between unregistering objects and sysfs access.
- Add a new sysctl and sockopt for capping max retransmit timeout in
TCP.
- Support masking port and DSCP in routing rule matches.
- Support dumping IPv4 multicast addresses with RTM_GETMULTICAST.
- Support specifying at what time packet should be sent on AF_XDP
sockets.
- Expose TCP ULP diagnostic info (for TLS and MPTCP) to non-admin
users.
- Add Netlink YAML spec for WiFi (nl80211) and conntrack.
- Introduce EXPORT_IPV6_MOD() and EXPORT_IPV6_MOD_GPL() for symbols
which only need to be exported when IPv6 support is built as a
module.
- Age FDB entries based on Rx not Tx traffic in VxLAN, similar to
normal bridging.
- Allow users to specify source port range for GENEVE tunnels.
- netconsole: allow attaching kernel release, CPU ID and task name to
messages as metadata
Driver API:
- Continue rework / fixing of Energy Efficient Ethernet (EEE) across
the SW layers. Delegate the responsibilities to phylink where
possible. Improve its handling in phylib.
- Support symmetric OR-XOR RSS hashing algorithm.
- Support tracking and preserving IRQ affinity by NAPI itself.
- Support loopback mode speed selection for interface selftests.
Device drivers:
- Remove the IBM LCS driver for s390
- Remove the sb1000 cable modem driver
- Add support for SFP module access over SMBus
- Add MCTP transport driver for MCTP-over-USB
- Enable XDP metadata support in multiple drivers
- Ethernet high-speed NICs:
- Broadcom (bnxt):
- add PCIe TLP Processing Hints (TPH) support for new AMD
platforms
- support dumping RoCE queue state for debug
- opt into instance locking
- Intel (100G, ice, idpf):
- ice: rework MSI-X IRQ management and distribution
- ice: support for E830 devices
- iavf: add support for Rx timestamping
- iavf: opt into instance locking
- nVidia/Mellanox:
- mlx4: use page pool memory allocator for Rx
- mlx5: support for one PTP device per hardware clock
- mlx5: support for 200Gbps per-lane link modes
- mlx5: move IPSec policy check after decryption
- AMD/Solarflare:
- support FW flashing via devlink
- Cisco (enic):
- use page pool memory allocator for Rx
- enable 32, 64 byte CQEs
- get max rx/tx ring size from the device
- Meta (fbnic):
- support flow steering and RSS configuration
- report queue stats
- support TCP segmentation
- support IRQ coalescing
- support ring size configuration
- Marvell/Cavium:
- support AF_XDP
- Wangxun:
- support for PTP clock and timestamping
- Huawei (hibmcge):
- checksum offload
- add more statistics
- Ethernet virtual:
- VirtIO net:
- aggressively suppress Tx completions, improve perf by 96%
with 1 CPU and 55% with 2 CPUs
- expose NAPI to IRQ mapping and persist NAPI settings
- Google (gve):
- support XDP in DQO RDA Queue Format
- opt into instance locking
- Microsoft vNIC:
- support BIG TCP
- Ethernet NICs consumer, and embedded:
- Synopsys (stmmac):
- cleanup Tx and Tx clock setting and other link-focused
cleanups
- enable SGMII and 2500BASEX mode switching for Intel platforms
- support Sophgo SG2044
- Broadcom switches (b53):
- support for BCM53101
- TI:
- iep: add perout configuration support
- icssg: support XDP
- Cadence (macb):
- implement BQL
- Xilinx (axinet):
- support dynamic IRQ moderation and changing coalescing at
runtime
- implement BQL
- report standard stats
- MediaTek:
- support phylink managed EEE
- Intel:
- igc: don't restart the interface on every XDP program change
- RealTek (r8169):
- support reading registers of internal PHYs directly
- increase max jumbo packet size on RTL8125/RTL8126
- Airoha:
- support for RISC-V NPU packet processing unit
- enable scatter-gather and support MTU up to 9kB
- Tehuti (tn40xx):
- support cards with TN4010 MAC and an Aquantia AQR105 PHY
- Ethernet PHYs:
- support for TJA1102S, TJA1121
- dp83tg720: add randomized polling intervals for link detection
- dp83822: support changing the transmit amplitude voltage
- support for LEDs on 88q2xxx
- CAN:
- canxl: support Remote Request Substitution bit access
- flexcan: add S32G2/S32G3 SoC
- WiFi:
- remove cooked monitor support
- strict mode for better AP testing
- basic EPCS support
- OMI RX bandwidth reduction support
- batman-adv: add support for jumbo frames
- WiFi drivers:
- RealTek (rtw88):
- support RTL8814AE and RTL8814AU
- RealTek (rtw89):
- switch using wiphy_lock and wiphy_work
- add BB context to manipulate two PHY as preparation of MLO
- improve BT-coexistence mechanism to play A2DP smoothly
- Intel (iwlwifi):
- add new iwlmld sub-driver for latest HW/FW combinations
- MediaTek (mt76):
- preparation for mt7996 Multi-Link Operation (MLO) support
- Qualcomm/Atheros (ath12k):
- continued work on MLO
- Silabs (wfx):
- Wake-on-WLAN support
- Bluetooth:
- add support for skb TX SND/COMPLETION timestamping
- hci_core: enable buffer flow control for SCO/eSCO
- coredump: log devcd dumps into the monitor
- Bluetooth drivers:
- intel: add support to configure TX power
- nxp: handle bootloader error during cmd5 and cmd7"
* tag 'net-next-6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1681 commits)
unix: fix up for "apparmor: add fine grained af_unix mediation"
mctp: Fix incorrect tx flow invalidation condition in mctp-i2c
net: usb: asix: ax88772: Increase phy_name size
net: phy: Introduce PHY_ID_SIZE — minimum size for PHY ID string
net: libwx: fix Tx L4 checksum
net: libwx: fix Tx descriptor content for some tunnel packets
atm: Fix NULL pointer dereference
net: tn40xx: add pci-id of the aqr105-based Tehuti TN4010 cards
net: tn40xx: prepare tn40xx driver to find phy of the TN9510 card
net: tn40xx: create swnode for mdio and aqr105 phy and add to mdiobus
net: phy: aquantia: add essential functions to aqr105 driver
net: phy: aquantia: search for firmware-name in fwnode
net: phy: aquantia: add probe function to aqr105 for firmware loading
net: phy: Add swnode support to mdiobus_scan
gve: add XDP DROP and PASS support for DQ
gve: update XDP allocation path support RX buffer posting
gve: merge packet buffer size fields
gve: update GQ RX to use buf_size
gve: introduce config-based allocation for XDP
gve: remove xdp_xsk_done and xdp_xsk_wakeup statistics
...
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Pull SCSI updates from James Bottomley:
"Updates to the usual drivers (scsi_debug, ufs, lpfc, st, fnic, mpi3mr,
mpt3sas) and the removal of cxlflash.
The only non-trivial core change is an addition to unit attention
handling to recognize UAs for power on/reset and new media so the tape
driver can use it"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (107 commits)
scsi: st: Tighten the page format heuristics with MODE SELECT
scsi: st: ERASE does not change tape location
scsi: st: Fix array overflow in st_setup()
scsi: target: tcm_loop: Fix wrong abort tag
scsi: lpfc: Restore clearing of NLP_UNREG_INP in ndlp->nlp_flag
scsi: hisi_sas: Fixed failure to issue vendor specific commands
scsi: fnic: Remove unnecessary NUL-terminations
scsi: fnic: Remove redundant flush_workqueue() calls
scsi: core: Use a switch statement when attaching VPD pages
scsi: ufs: renesas: Add initialization code for R-Car S4-8 ES1.2
scsi: ufs: renesas: Add reusable functions
scsi: ufs: renesas: Refactor 0x10ad/0x10af PHY settings
scsi: ufs: renesas: Remove register control helper function
scsi: ufs: renesas: Add register read to remove save/set/restore
scsi: ufs: renesas: Replace init data by init code
scsi: ufs: dt-bindings: renesas,ufs: Add calibration data
scsi: mpi3mr: Task Abort EH Support
scsi: storvsc: Don't report the host packet status as the hv status
scsi: isci: Make most module parameters static
scsi: megaraid_sas: Make most module parameters static
...
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Catalin Marinas:
"Nothing major this time around.
Apart from the usual perf/PMU updates, some page table cleanups, the
notable features are average CPU frequency based on the AMUv1
counters, CONFIG_HOTPLUG_SMT and MOPS instructions (memcpy/memset) in
the uaccess routines.
Perf and PMUs:
- Support for the 'Rainier' CPU PMU from Arm
- Preparatory driver changes and cleanups that pave the way for BRBE
support
- Support for partial virtualisation of the Apple-M1 PMU
- Support for the second event filter in Arm CSPMU designs
- Minor fixes and cleanups (CMN and DWC PMUs)
- Enable EL2 requirements for FEAT_PMUv3p9
Power, CPU topology:
- Support for AMUv1-based average CPU frequency
- Run-time SMT control wired up for arm64 (CONFIG_HOTPLUG_SMT). It
adds a generic topology_is_primary_thread() function overridden by
x86 and powerpc
New(ish) features:
- MOPS (memcpy/memset) support for the uaccess routines
Security/confidential compute:
- Fix the DMA address for devices used in Realms with Arm CCA. The
CCA architecture uses the address bit to differentiate between
shared and private addresses
- Spectre-BHB: assume CPUs Linux doesn't know about vulnerable by
default
Memory management clean-ups:
- Drop the P*D_TABLE_BIT definition in preparation for 128-bit PTEs
- Some minor page table accessor clean-ups
- PIE/POE (permission indirection/overlay) helpers clean-up
Kselftests:
- MTE: skip hugetlb tests if MTE is not supported on such mappings
and user correct naming for sync/async tag checking modes
Miscellaneous:
- Add a PKEY_UNRESTRICTED definition as 0 to uapi (toolchain people
request)
- Sysreg updates for new register fields
- CPU type info for some Qualcomm Kryo cores"
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (72 commits)
arm64: mm: Don't use %pK through printk
perf/arm_cspmu: Fix missing io.h include
arm64: errata: Add newer ARM cores to the spectre_bhb_loop_affected() lists
arm64: cputype: Add MIDR_CORTEX_A76AE
arm64: errata: Add KRYO 2XX/3XX/4XX silver cores to Spectre BHB safe list
arm64: errata: Assume that unknown CPUs _are_ vulnerable to Spectre BHB
arm64: errata: Add QCOM_KRYO_4XX_GOLD to the spectre_bhb_k24_list
arm64/sysreg: Enforce whole word match for open/close tokens
arm64/sysreg: Fix unbalanced closing block
arm64: Kconfig: Enable HOTPLUG_SMT
arm64: topology: Support SMT control on ACPI based system
arch_topology: Support SMT control for OF based system
cpu/SMT: Provide a default topology_is_primary_thread()
arm64/mm: Define PTDESC_ORDER
perf/arm_cspmu: Add PMEVFILT2R support
perf/arm_cspmu: Generalise event filtering
perf/arm_cspmu: Move register definitons to header
arm64/kernel: Always use level 2 or higher for early mappings
arm64/mm: Drop PXD_TABLE_BIT
arm64/mm: Check pmd_table() in pmd_trans_huge()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq driver updates from Thomas Gleixner:
- Support for hard indices on RISC-V. The hart index identifies a hart
(core) within a specific interrupt domain in RISC-V's Priviledged
Architecture.
- Rework of the RISC-V MSI driver
This moves the driver over to the generic MSI library and solves the
affinity problem of unmaskable PCI/MSI controllers. Unmaskable
PCI/MSI controllers are prone to lose interrupts when the MSI message
is updated to change the affinity because the message write consists
of three 32-bit subsequent writes, which update address and data. As
these writes are non-atomic versus the device raising an interrupt,
the device can observe a half written update and issue an interrupt
on the wrong vector. This is mitiated by a carefully orchestrated
step by step update and the observation of an eventually pending
interrupt on the CPU which issues the update. The algorithm follows
the well established method of the X86 MSI driver.
- A new driver for the RISC-V Sophgo SG2042 MSI controller
- Overhaul of the Renesas RZQ2L driver
Simplification of the probe function by using devm_*() mechanisms,
which avoid the endless list of error prone gotos in the failure
paths.
- Expand the Renesas RZV2H driver to support RZ/G3E SoCs
- A workaround for Rockchip 3568002 erratum in the GIC-V3 driver to
ensure that the addressing is limited to the lower 32-bit of the
physical address space.
- Add support for the Allwinner AS23 NMI controller
- Expand the IMX irqsteer driver to handle up to 960 input interrupts
- The usual small updates, cleanups and device tree changes
* tag 'irq-drivers-2025-03-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (40 commits)
irqchip/imx-irqsteer: Support up to 960 input interrupts
irqchip/sunxi-nmi: Support Allwinner A523 NMI controller
dt-bindings: irq: sun7i-nmi: Document the Allwinner A523 NMI controller
irqchip/davinci-cp-intc: Remove public header
irqchip/renesas-rzv2h: Add RZ/G3E support
irqchip/renesas-rzv2h: Update macros ICU_TSSR_TSSEL_{MASK,PREP}
irqchip/renesas-rzv2h: Update TSSR_TIEN macro
irqchip/renesas-rzv2h: Add field_width to struct rzv2h_hw_info
irqchip/renesas-rzv2h: Add max_tssel to struct rzv2h_hw_info
irqchip/renesas-rzv2h: Add struct rzv2h_hw_info with t_offs variable
irqchip/renesas-rzv2h: Use devm_pm_runtime_enable()
irqchip/renesas-rzv2h: Use devm_reset_control_get_exclusive_deasserted()
irqchip/renesas-rzv2h: Simplify rzv2h_icu_init()
irqchip/renesas-rzv2h: Drop irqchip from struct rzv2h_icu_priv
irqchip/renesas-rzv2h: Fix wrong variable usage in rzv2h_tint_set_type()
dt-bindings: interrupt-controller: renesas,rzv2h-icu: Document RZ/G3E SoC
riscv: sophgo: dts: Add msi controller for SG2042
irqchip: Add the Sophgo SG2042 MSI interrupt controller
dt-bindings: interrupt-controller: Add Sophgo SG2042 MSI
arm64: dts: rockchip: rk356x: Move PCIe MSI to use GIC ITS instead of MBI
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 build updates from Ingo Molnar:
- Drop CRC-32 checksum and the build tool that generates it (Ard
Biesheuvel)
- Fix broken copy command in genimage.sh when making isoimage (Nir
Lichtman)
* tag 'x86-build-2025-03-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/boot: Add back some padding for the CRC-32 checksum
x86/boot: Drop CRC-32 checksum and the build tool that generates it
x86/build: Fix broken copy command in genimage.sh when making isoimage
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull core x86 updates from Ingo Molnar:
"x86 CPU features support:
- Generate the <asm/cpufeaturemasks.h> header based on build config
(H. Peter Anvin, Xin Li)
- x86 CPUID parsing updates and fixes (Ahmed S. Darwish)
- Introduce the 'setcpuid=' boot parameter (Brendan Jackman)
- Enable modifying CPU bug flags with '{clear,set}puid=' (Brendan
Jackman)
- Utilize CPU-type for CPU matching (Pawan Gupta)
- Warn about unmet CPU feature dependencies (Sohil Mehta)
- Prepare for new Intel Family numbers (Sohil Mehta)
Percpu code:
- Standardize & reorganize the x86 percpu layout and related cleanups
(Brian Gerst)
- Convert the stackprotector canary to a regular percpu variable
(Brian Gerst)
- Add a percpu subsection for cache hot data (Brian Gerst)
- Unify __pcpu_op{1,2}_N() macros to __pcpu_op_N() (Uros Bizjak)
- Construct __percpu_seg_override from __percpu_seg (Uros Bizjak)
MM:
- Add support for broadcast TLB invalidation using AMD's INVLPGB
instruction (Rik van Riel)
- Rework ROX cache to avoid writable copy (Mike Rapoport)
- PAT: restore large ROX pages after fragmentation (Kirill A.
Shutemov, Mike Rapoport)
- Make memremap(MEMREMAP_WB) map memory as encrypted by default
(Kirill A. Shutemov)
- Robustify page table initialization (Kirill A. Shutemov)
- Fix flush_tlb_range() when used for zapping normal PMDs (Jann Horn)
- Clear _PAGE_DIRTY for kernel mappings when we clear _PAGE_RW
(Matthew Wilcox)
KASLR:
- x86/kaslr: Reduce KASLR entropy on most x86 systems, to support PCI
BAR space beyond the 10TiB region (CONFIG_PCI_P2PDMA=y) (Balbir
Singh)
CPU bugs:
- Implement FineIBT-BHI mitigation (Peter Zijlstra)
- speculation: Simplify and make CALL_NOSPEC consistent (Pawan Gupta)
- speculation: Add a conditional CS prefix to CALL_NOSPEC (Pawan
Gupta)
- RFDS: Exclude P-only parts from the RFDS affected list (Pawan
Gupta)
System calls:
- Break up entry/common.c (Brian Gerst)
- Move sysctls into arch/x86 (Joel Granados)
Intel LAM support updates: (Maciej Wieczor-Retman)
- selftests/lam: Move cpu_has_la57() to use cpuinfo flag
- selftests/lam: Skip test if LAM is disabled
- selftests/lam: Test get_user() LAM pointer handling
AMD SMN access updates:
- Add SMN offsets to exclusive region access (Mario Limonciello)
- Add support for debugfs access to SMN registers (Mario Limonciello)
- Have HSMP use SMN through AMD_NODE (Yazen Ghannam)
Power management updates: (Patryk Wlazlyn)
- Allow calling mwait_play_dead with an arbitrary hint
- ACPI/processor_idle: Add FFH state handling
- intel_idle: Provide the default enter_dead() handler
- Eliminate mwait_play_dead_cpuid_hint()
Build system:
- Raise the minimum GCC version to 8.1 (Brian Gerst)
- Raise the minimum LLVM version to 15.0.0 (Nathan Chancellor)
Kconfig: (Arnd Bergmann)
- Add cmpxchg8b support back to Geode CPUs
- Drop 32-bit "bigsmp" machine support
- Rework CONFIG_GENERIC_CPU compiler flags
- Drop configuration options for early 64-bit CPUs
- Remove CONFIG_HIGHMEM64G support
- Drop CONFIG_SWIOTLB for PAE
- Drop support for CONFIG_HIGHPTE
- Document CONFIG_X86_INTEL_MID as 64-bit-only
- Remove old STA2x11 support
- Only allow CONFIG_EISA for 32-bit
Headers:
- Replace __ASSEMBLY__ with __ASSEMBLER__ in UAPI and non-UAPI
headers (Thomas Huth)
Assembly code & machine code patching:
- x86/alternatives: Simplify alternative_call() interface (Josh
Poimboeuf)
- x86/alternatives: Simplify callthunk patching (Peter Zijlstra)
- KVM: VMX: Use named operands in inline asm (Josh Poimboeuf)
- x86/hyperv: Use named operands in inline asm (Josh Poimboeuf)
- x86/traps: Cleanup and robustify decode_bug() (Peter Zijlstra)
- x86/kexec: Merge x86_32 and x86_64 code using macros from
<asm/asm.h> (Uros Bizjak)
- Use named operands in inline asm (Uros Bizjak)
- Improve performance by using asm_inline() for atomic locking
instructions (Uros Bizjak)
Earlyprintk:
- Harden early_serial (Peter Zijlstra)
NMI handler:
- Add an emergency handler in nmi_desc & use it in
nmi_shootdown_cpus() (Waiman Long)
Miscellaneous fixes and cleanups:
- by Ahmed S. Darwish, Andy Shevchenko, Ard Biesheuvel, Artem
Bityutskiy, Borislav Petkov, Brendan Jackman, Brian Gerst, Dan
Carpenter, Dr. David Alan Gilbert, H. Peter Anvin, Ingo Molnar,
Josh Poimboeuf, Kevin Brodsky, Mike Rapoport, Lukas Bulwahn, Maciej
Wieczor-Retman, Max Grobecker, Patryk Wlazlyn, Pawan Gupta, Peter
Zijlstra, Philip Redkin, Qasim Ijaz, Rik van Riel, Thomas Gleixner,
Thorsten Blum, Tom Lendacky, Tony Luck, Uros Bizjak, Vitaly
Kuznetsov, Xin Li, liuye"
* tag 'x86-core-2025-03-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (211 commits)
zstd: Increase DYNAMIC_BMI2 GCC version cutoff from 4.8 to 11.0 to work around compiler segfault
x86/asm: Make asm export of __ref_stack_chk_guard unconditional
x86/mm: Only do broadcast flush from reclaim if pages were unmapped
perf/x86/intel, x86/cpu: Replace Pentium 4 model checks with VFM ones
perf/x86/intel, x86/cpu: Simplify Intel PMU initialization
x86/headers: Replace __ASSEMBLY__ with __ASSEMBLER__ in non-UAPI headers
x86/headers: Replace __ASSEMBLY__ with __ASSEMBLER__ in UAPI headers
x86/locking/atomic: Improve performance by using asm_inline() for atomic locking instructions
x86/asm: Use asm_inline() instead of asm() in clwb()
x86/asm: Use CLFLUSHOPT and CLWB mnemonics in <asm/special_insns.h>
x86/hweight: Use asm_inline() instead of asm()
x86/hweight: Use ASM_CALL_CONSTRAINT in inline asm()
x86/hweight: Use named operands in inline asm()
x86/stackprotector/64: Only export __ref_stack_chk_guard on CONFIG_SMP
x86/head/64: Avoid Clang < 17 stack protector in startup code
x86/kexec: Merge x86_32 and x86_64 code using macros from <asm/asm.h>
x86/runtime-const: Add the RUNTIME_CONST_PTR assembly macro
x86/cpu/intel: Limit the non-architectural constant_tsc model checks
x86/mm/pat: Replace Intel x86_model checks with VFM ones
x86/cpu/intel: Fix fast string initialization for extended Families
...
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Pull documentation updates from Jonathan Corbet:
"It has been a reasonably busy cycle for docs...
- Significant changes throughout the tree to bring Python code up to
current standards and raise the minimum Python required to 3.9
Much of this is preparatory to replacing the ancient Perl
scripts/kernel-doc horror with a slightly less horrifying Python
implementation, expected for 6.16
- Update the minimum Sphinx required to 3.4.3, allowing us to remove
a bunch of older compatibility code
- Rework and improve the generation of the ABI documentation
(All of the above done by Mauro)
- Lots of translation updates. Alex Shi and Yanteng Si are taking on
responsibility for the Chinese translations going forward; that
work will still get to you via docs-next
- Try to standardize the format for indicating a developer's
affiliation in commit tags
- Clarify the TAB's role in CoC enforcement actions
- Try to spell out the rules for when a commit tag can name another
developer without their explicit permission
Plus lots of other typo fixes and updates"
* tag 'docs-6.15' of git://git.lwn.net/linux: (98 commits)
docs/zh_CN: fix spelling mistake
docs/Chinese: change the disclaimer words
docs/zh_CN: Add snp-tdx-threat-model index Chinese translation
docs: driver-api: firmware: clarify userspace requirements
docs: clarify rules wrt tagging other people
docs: Remove outdated highuid.rst documentation
Documentation: dma-buf: heaps: Add heap name definitions
docs/.../submit-checklist: Use Documentation/admin-guide/abi.rst for cross-ref of README
docs: Correct installation instruction
Documentation: kcsan: fix "Plain Accesses and Data Races" URL in kcsan.rst
Documentation/CoC: Spell out the TAB role in enforcement decisions
Documentation: ocxl.rst: Update consortium site
scripts: get_feat.pl: substitute s390x with s390
scripts/kernel-doc: drop dead code for Wcontents_before_sections
scripts/kernel-doc: don't add not needed new lines
docs: driver-api/infiniband.rst: fix Kerneldoc markup
drivers: firewire: firewire-cdev.h: fix identation on a kernel-doc markup
drivers: media: intel-ipu3.h: fix identation on a kernel-doc markup
include/asm-generic/io.h: fix kerneldoc markup
Docs/arch/arm64: Fix spelling in amu.rst
...
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Export the Zaamo and Zalrsc extensions to userspace using hwprobe.
Signed-off-by: Clément Léger <cleger@rivosinc.com>
Reviewed-by: Charlie Jenkins <charlie@rivosinc.com>
Link: https://lore.kernel.org/r/20240619153913.867263-4-cleger@rivosinc.com
Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>
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Expose Zicbom through hwprobe and also provide a key to extract its
respective block size.
[ alex: Fix merge conflicts and hwprobe numbering ]
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Samuel Holland <samuel.holland@sifive.com>
Signed-off-by: Yunhui Cui <cuiyunhui@bytedance.com>
Link: https://lore.kernel.org/r/20250226063206.71216-3-cuiyunhui@bytedance.com
Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>
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Inochi Amaoto <inochiama@gmail.com> says:
Add description for the BFloat16 precision Floating-Point ISA extension,
(Zfbfmin, Zvfbfmin, Zvfbfwma). which was ratified in commit 4dc23d62
("Added Chapter title to BF16") of the riscv-isa-manual.
* patches from https://lore.kernel.org/r/20250213003849.147358-1-inochiama@gmail.com:
riscv: hwprobe: export bfloat16 ISA extension
riscv: add ISA extension parsing for bfloat16 ISA extension
dt-bindings: riscv: add bfloat16 ISA extension description
Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Link: https://lore.kernel.org/r/20250213003849.147358-1-inochiama@gmail.com
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Export Zfbmin, Zvfbfmin, Zvfbfwma ISA extension through hwprobe.
Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
Reviewed-by: Clément Léger <cleger@rivosinc.com>
Link: https://lore.kernel.org/r/20250213003849.147358-4-inochiama@gmail.com
Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>
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Export Zicntr and Zihpm ISA extensions through the hwprobe syscall.
[ alex: Fix hwprobe numbering ]
Signed-off-by: Miquel Sabaté Solà <mikisabate@gmail.com>
Acked-by: Jesse Taube <jesse@rivosinc.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20240913051324.8176-1-mikisabate@gmail.com
Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>
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Both GENERIC_PTDUMP and PTDUMP_CORE are not user selectable config
options. Just drop these from documentation.
Link: https://lkml.kernel.org/r/20250226122404.1927473-4-anshuman.khandual@arm.com
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Suggested-by: Steven Price <steven.price@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
Cc: Marc Zyngier <maz@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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