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* arm64/for-next/perf:
perf/arm_cspmu: Fix missing io.h include
perf/arm_cspmu: Add PMEVFILT2R support
perf/arm_cspmu: Generalise event filtering
perf/arm_cspmu: Move register definitons to header
drivers/perf: apple_m1: Support host/guest event filtering
drivers/perf: apple_m1: Refactor event select/filter configuration
perf/dwc_pcie: fix duplicate pci_dev devices
perf/dwc_pcie: fix some unreleased resources
perf/arm-cmn: Minor event type housekeeping
perf: arm_pmu: Move PMUv3-specific data
perf: apple_m1: Don't disable counter in m1_pmu_enable_event()
perf: arm_v7_pmu: Don't disable counter in (armv7|krait_|scorpion_)pmu_enable_event()
perf: arm_v7_pmu: Drop obvious comments for enabling/disabling counters and interrupts
perf: arm_pmuv3: Don't disable counter in armv8pmu_enable_event()
perf: arm_pmu: Don't disable counter in armpmu_add()
perf: arm_pmuv3: Call kvm_vcpu_pmu_resync_el0() before enabling counters
perf: arm_pmuv3: Add support for ARM Rainier PMU
* for-next/amuv1-avg-freq:
: Add support for AArch64 AMUv1-based average freq
arm64: Utilize for_each_cpu_wrap for reference lookup
arm64: Update AMU-based freq scale factor on entering idle
arm64: Provide an AMU-based version of arch_freq_get_on_cpu
cpufreq: Introduce an optional cpuinfo_avg_freq sysfs entry
cpufreq: Allow arch_freq_get_on_cpu to return an error
arch_topology: init capacity_freq_ref to 0
* for-next/pkey_unrestricted:
: mm/pkey: Add PKEY_UNRESTRICTED macro
selftest/powerpc/mm/pkey: fix build-break introduced by commit 00894c3fc9
selftests/powerpc: Use PKEY_UNRESTRICTED macro
selftests/mm: Use PKEY_UNRESTRICTED macro
mm/pkey: Add PKEY_UNRESTRICTED macro
* for-next/sysreg:
: arm64 sysreg updates
arm64/sysreg: Enforce whole word match for open/close tokens
arm64/sysreg: Fix unbalanced closing block
arm64/sysreg: Add register fields for HFGWTR2_EL2
arm64/sysreg: Add register fields for HFGRTR2_EL2
arm64/sysreg: Add register fields for HFGITR2_EL2
arm64/sysreg: Add register fields for HDFGWTR2_EL2
arm64/sysreg: Add register fields for HDFGRTR2_EL2
arm64/sysreg: Update register fields for ID_AA64MMFR0_EL1
* for-next/misc:
: Miscellaneous arm64 patches
arm64: mm: Don't use %pK through printk
arm64/fpsimd: Remove unused declaration fpsimd_kvm_prepare()
* for-next/pgtable-cleanups:
: arm64 pgtable accessors cleanup
arm64/mm: Define PTDESC_ORDER
arm64/kernel: Always use level 2 or higher for early mappings
arm64/hugetlb: Consistently use pud_sect_supported()
arm64/mm: Convert __pte_to_phys() and __phys_to_pte_val() as functions
* for-next/kselftest:
: arm64 kselftest updates
kselftest/arm64: mte: Skip the hugetlb tests if MTE not supported on such mappings
kselftest/arm64: mte: Use the correct naming for tag check modes in check_hugetlb_options.c
* for-next/uaccess-mops:
: Implement the uaccess memory copy/set using MOPS instructions
arm64: lib: Use MOPS for usercopy routines
arm64: mm: Handle PAN faults on uaccess CPY* instructions
arm64: extable: Add fixup handling for uaccess CPY* instructions
* for-next/pie-poe-cleanup:
: PIE/POE helpers cleanup
arm64/sysreg: Move POR_EL0_INIT to asm/por.h
arm64/sysreg: Rename POE_RXW to POE_RWX
arm64/sysreg: Improve PIR/POR helpers
* for-next/cputype-kryo:
: Add cputype info for some Qualcomm Kryo cores
arm64: cputype: Add comments about Qualcomm Kryo 5XX and 6XX cores
arm64: cputype: Add QCOM_CPU_PART_KRYO_3XX_GOLD
* for-next/cca-dma-address:
: Fix DMA address for devices used in realms with Arm CCA
arm64: realm: Use aliased addresses for device DMA to shared buffers
dma: Introduce generic dma_addr_*crypted helpers
dma: Fix encryption bit clearing for dma_to_phys
* for-next/drop-pxd_table_bit:
: Drop the arm64 PXD_TABLE_BIT (clean-up in preparation for 128-bit PTEs)
arm64/mm: Drop PXD_TABLE_BIT
arm64/mm: Check pmd_table() in pmd_trans_huge()
arm64/mm: Check PUD_TYPE_TABLE in pud_bad()
arm64/mm: Check PXD_TYPE_TABLE in [p4d|pgd]_bad()
arm64/mm: Clear PXX_TYPE_MASK and set PXD_TYPE_SECT in [pmd|pud]_mkhuge()
arm64/mm: Clear PXX_TYPE_MASK in mk_[pmd|pud]_sect_prot()
arm64/ptdump: Test PMD_TYPE_MASK for block mapping
KVM: arm64: ptdump: Test PMD_TYPE_MASK for block mapping
* for-next/spectre-bhb-assume-vulnerable:
: Rework Spectre BHB mitigations to not assume "safe"
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
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.