ACPI and IORT updates
(Lorenzo Pieralisi)
* for-next/acpi:
ACPI/IORT: Remove the unused __get_pci_rid()
ACPI/IORT: Fix PMCG node single ID mapping handling
ACPI: IORT: Add comments for not calling acpi_put_table()
ACPI: GTDT: Put GTDT table after parsing
ACPI: IORT: Add extra message "applying workaround" for off-by-1 issue
ACPI/IORT: work around num_ids ambiguity
Revert "ACPI/IORT: Fix 'Number of IDs' handling in iort_id_map()"
ACPI/IORT: take _DMA methods into account for named components
BPF JIT optimisations for immediate value generation
(Luke Nelson)
* for-next/bpf:
bpf, arm64: Optimize ADD,SUB,JMP BPF_K using arm64 add/sub immediates
bpf, arm64: Optimize AND,OR,XOR,JSET BPF_K using arm64 logical immediates
arm64: insn: Fix two bugs in encoding 32-bit logical immediates
Addition of new CPU ID register fields and removal of some benign sanity checks
(Anshuman Khandual and others)
* for-next/cpufeature: (27 commits)
KVM: arm64: Check advertised Stage-2 page size capability
arm64/cpufeature: Add get_arm64_ftr_reg_nowarn()
arm64/cpuinfo: Add ID_MMFR4_EL1 into the cpuinfo_arm64 context
arm64/cpufeature: Add remaining feature bits in ID_AA64PFR1 register
arm64/cpufeature: Add remaining feature bits in ID_AA64PFR0 register
arm64/cpufeature: Add remaining feature bits in ID_AA64ISAR0 register
arm64/cpufeature: Add remaining feature bits in ID_MMFR4 register
arm64/cpufeature: Add remaining feature bits in ID_PFR0 register
arm64/cpufeature: Introduce ID_MMFR5 CPU register
arm64/cpufeature: Introduce ID_DFR1 CPU register
arm64/cpufeature: Introduce ID_PFR2 CPU register
arm64/cpufeature: Make doublelock a signed feature in ID_AA64DFR0
arm64/cpufeature: Drop TraceFilt feature exposure from ID_DFR0 register
arm64/cpufeature: Add explicit ftr_id_isar0[] for ID_ISAR0 register
arm64/cpufeature: Drop open encodings while extracting parange
arm64/cpufeature: Validate hypervisor capabilities during CPU hotplug
arm64: cpufeature: Group indexed system register definitions by name
arm64: cpufeature: Extend comment to describe absence of field info
arm64: drop duplicate definitions of ID_AA64MMFR0_TGRAN constants
arm64: cpufeature: Add an overview comment for the cpufeature framework
...
Minor documentation tweaks for silicon errata and booting requirements
(Rob Herring and Will Deacon)
* for-next/docs:
arm64: silicon-errata.rst: Sort the Cortex-A55 entries
arm64: docs: Mandate that the I-cache doesn't hold stale kernel text
Minor Kconfig cleanups
(Geert Uytterhoeven)
* for-next/kconfig:
arm64: cpufeature: Add "or" to mitigations for multiple errata
arm64: Sort vendor-specific errata
Miscellaneous updates
(Ard Biesheuvel and others)
* for-next/misc:
arm64: mm: Add asid_gen_match() helper
arm64: stacktrace: Factor out some common code into on_stack()
arm64: Call debug_traps_init() from trap_init() to help early kgdb
arm64: cacheflush: Fix KGDB trap detection
arm64/cpuinfo: Move device_initcall() near cpuinfo_regs_init()
arm64: kexec_file: print appropriate variable
arm: mm: use __pfn_to_section() to get mem_section
arm64: Reorder the macro arguments in the copy routines
efi/libstub/arm64: align PE/COFF sections to segment alignment
KVM: arm64: Drop PTE_S2_MEMATTR_MASK
arm64/kernel: Fix range on invalidating dcache for boot page tables
arm64: set TEXT_OFFSET to 0x0 in preparation for removing it entirely
arm64: lib: Consistently enable crc32 extension
arm64/mm: Use phys_to_page() to access pgtable memory
arm64: smp: Make cpus_stuck_in_kernel static
arm64: entry: remove unneeded semicolon in el1_sync_handler()
arm64/kernel: vmlinux.lds: drop redundant discard/keep macros
arm64: drop GZFLAGS definition and export
arm64: kexec_file: Avoid temp buffer for RNG seed
arm64: rename stext to primary_entry
Perf PMU driver updates
(Tang Bin and others)
* for-next/perf:
pmu/smmuv3: Clear IRQ affinity hint on device removal
drivers/perf: hisi: Permit modular builds of HiSilicon uncore drivers
drivers/perf: hisi: Fix typo in events attribute array
drivers/perf: arm_spe_pmu: Avoid duplicate printouts
drivers/perf: arm_dsu_pmu: Avoid duplicate printouts
Pointer authentication updates and support for vmcoreinfo
(Amit Daniel Kachhap and Mark Rutland)
* for-next/ptr-auth:
Documentation/vmcoreinfo: Add documentation for 'KERNELPACMASK'
arm64/crash_core: Export KERNELPACMASK in vmcoreinfo
arm64: simplify ptrauth initialization
arm64: remove ptrauth_keys_install_kernel sync arg
SDEI cleanup and non-critical fixes
(James Morse and others)
* for-next/sdei:
firmware: arm_sdei: Document the motivation behind these set_fs() calls
firmware: arm_sdei: remove unused interfaces
firmware: arm_sdei: Put the SDEI table after using it
firmware: arm_sdei: Drop check for /firmware/ node and always register driver
SMCCC updates and refactoring
(Sudeep Holla)
* for-next/smccc:
firmware: smccc: Fix missing prototype warning for arm_smccc_version_init
firmware: smccc: Add function to fetch SMCCC version
firmware: smccc: Refactor SMCCC specific bits into separate file
firmware: smccc: Drop smccc_version enum and use ARM_SMCCC_VERSION_1_x instead
firmware: smccc: Add the definition for SMCCCv1.2 version/error codes
firmware: smccc: Update link to latest SMCCC specification
firmware: smccc: Add HAVE_ARM_SMCCC_DISCOVERY to identify SMCCC v1.1 and above
vDSO cleanup and non-critical fixes
(Mark Rutland and Vincenzo Frascino)
* for-next/vdso:
arm64: vdso: Add --eh-frame-hdr to ldflags
arm64: vdso: use consistent 'map' nomenclature
arm64: vdso: use consistent 'abi' nomenclature
arm64: vdso: simplify arch_vdso_type ifdeffery
arm64: vdso: remove aarch32_vdso_pages[]
arm64: vdso: Add '-Bsymbolic' to ldflags
* On return, the CPU will be ready for the MMU to be turned on and
* the TCR will have been set.
*/
------- --- mov x0, #ARM64_CPU_BOOT_PRIMARY
bl __cpu_setup // initialise processor
b __primary_switch
----- -----SYM_CODE_END(stext)
+++++ +++++SYM_CODE_END(primary_entry)
/*
* Preserve the arguments passed by the bootloader in x0 .. x3
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