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Message-Id: <20220523163913.43175-1-catalin.marinas@arm.com>
Date: Mon, 23 May 2022 17:39:13 +0100
From: Catalin Marinas <catalin.marinas@....com>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Will Deacon <will@...nel.org>,
Andrew Morton <akpm@...ux-foundation.org>,
Paolo Bonzini <pbonzini@...hat.com>,
Stephen Rothwell <sfr@...b.auug.org.au>,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [GIT PULL] arm64 updates for 5.19-rc1
Hi Linus,
Please pull the (mostly) arm64 updates below. There are a few patches
that go outside the usual paths: btrfs search_ioctl() livelock fix
(touching fs/, mm/), ftrace cleanups (arch/x86/ and kernel/ changes),
scalable matrix extensions (prctl() wiring), crashkernel 'high'
reservations for arm64 (changes to kernel/crash_core.c, drivers/of/). A
summary of the updates is in the tag.
There are no conflicts with 5.18 but, depending on the order in which
you merge the pull requests, I expect a couple that appeared in
linux-next. One of them is with the KVM tree:
https://lore.kernel.org/r/20220504143529.4060ab27@canb.auug.org.au
and a silent one with the mm tree:
https://lore.kernel.org/r/20220513171838.627ccc86@canb.auug.org.au
For the latter, I'll send Stephen's patch once the mm tree is merged.
Thanks.
The following changes since commit b2d229d4ddb17db541098b83524d901257e93845:
Linux 5.18-rc3 (2022-04-17 13:57:31 -0700)
are available in the Git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux tags/arm64-upstream
for you to fetch changes up to 0616ea3f1b93a99264d84f3d002ae117f6526b62:
Merge branch 'for-next/esr-elx-64-bit' into for-next/core (2022-05-20 18:51:54 +0100)
----------------------------------------------------------------
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.
----------------------------------------------------------------
Alexandru Elisei (5):
arm64: Make ESR_ELx_xVC_IMM_MASK compatible with assembly
arm64: compat: Do not treat syscall number as ESR_ELx for a bad syscall
arm64: Treat ESR_ELx as a 64-bit register
KVM: arm64: Treat ESR_EL2 as a 64-bit register
KVM: arm64: uapi: Add kvm_debug_exit_arch.hsr_high
Andre Przywara (1):
kselftest/arm64: bti: force static linking
Anshuman Khandual (2):
arm64/mm: Compute PTRS_PER_[PMD|PUD] independently of PTRS_PER_PTE
arm64/hugetlb: Drop TLB flush from get_clear_flush()
Ard Biesheuvel (2):
arm64: lds: move special code sections out of kernel exec segment
arm64: mm: avoid writable executable mappings in kexec/hibernate code
Baolin Wang (2):
arm64/hugetlb: Use ptep_get() to get the pte value of a huge page
arm64/hugetlb: Implement arm64 specific huge_ptep_get()
Catalin Marinas (8):
mm: Add fault_in_subpage_writeable() to probe at sub-page granularity
arm64: Add support for user sub-page fault probing
btrfs: Avoid live-lock in search_ioctl() on hardware with sub-page faults
Merge branch 'for-next/sme' into for-next/sysreg-gen
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
Merge branch 'for-next/sysreg-gen' into for-next/core
Merge branch 'for-next/kselftest' into for-next/core
Merge branch 'for-next/esr-elx-64-bit' into for-next/core
Chen Zhou (2):
arm64: kdump: Reimplement crashkernel=X
of: fdt: Add memory for devices by DT property "linux,usable-memory-range"
Chengming Zhou (2):
ftrace: cleanup ftrace_graph_caller enable and disable
arm64/ftrace: Make function graph use ftrace directly
Geert Uytterhoeven (1):
arm64/sve: Move sve_free() into SVE code section
Guo Zhengkui (1):
kselftest/arm64: fix array_size.cocci warning
Hector Martin (1):
arm64: Set ARCH_NR_GPIO to 2048 for ARCH_APPLE
Juerg Haefliger (2):
arm64: Kconfig: Fix indentation and add comments
arm64: Kconfig.platforms: Add comments
Kefeng Wang (1):
arm64: mm: Cleanup useless parameters in zone_sizes_init()
Linu Cherian (1):
arm64: Declare non global symbols as static
Madhavan T. Venkataraman (4):
arm64: stacktrace: remove NULL task check from unwind_frame()
arm64: stacktrace: rename unwinder functions
arm64: stacktrace: rename stackframe to unwind_state
arm64: stacktrace: align with common naming
Mark Brown (85):
arm64/sme: Provide ABI documentation for SME
arm64/sme: System register and exception syndrome definitions
arm64/sme: Manually encode SME instructions
arm64/sme: Early CPU setup for SME
arm64/sme: Basic enumeration support
arm64/sme: Identify supported SME vector lengths at boot
arm64/sme: Implement sysctl to set the default vector length
arm64/sme: Implement vector length configuration prctl()s
arm64/sme: Implement support for TPIDR2
arm64/sme: Implement SVCR context switching
arm64/sme: Implement streaming SVE context switching
arm64/sme: Implement ZA context switching
arm64/sme: Implement traps and syscall handling for SME
arm64/sme: Disable ZA and streaming mode when handling signals
arm64/sme: Implement streaming SVE signal handling
arm64/sme: Implement ZA signal handling
arm64/sme: Implement ptrace support for streaming mode SVE registers
arm64/sme: Add ptrace support for ZA
arm64/sme: Disable streaming mode and ZA when flushing CPU state
arm64/sme: Save and restore streaming mode over EFI runtime calls
KVM: arm64: Hide SME system registers from guests
KVM: arm64: Trap SME usage in guest
KVM: arm64: Handle SME host state when running guests
arm64/sme: Provide Kconfig for SME
arm64/sme: Add ID_AA64SMFR0_EL1 to __read_sysreg_by_encoding()
kselftest/arm64: Fix comment for ptrace_sve_get_fpsimd_data()
kselftest/arm64: Remove assumption that tasks start FPSIMD only
kselftest/arm64: Validate setting via FPSIMD and read via SVE regsets
kselftest/arm64: Handle more kselftest result codes in MTE helpers
kselftest/arm64: Log unexpected asynchronous MTE faults
kselftest/arm64: Refactor parameter checking in mte_switch_mode()
kselftest/arm64: Add simple test for MTE prctl
kselftest/arm64: Add manual encodings for SME instructions
kselftest/arm64: sme: Add SME support to vlset
kselftest/arm64: Add tests for TPIDR2
kselftest/arm64: Extend vector configuration API tests to cover SME
kselftest/arm64: sme: Provide streaming mode SVE stress test
kselftest/arm64: signal: Handle ZA signal context in core code
kselftest/arm64: Add stress test for SME ZA context switching
kselftest/arm64: signal: Add SME signal handling tests
kselftest/arm64: Add streaming SVE to SVE ptrace tests
kselftest/arm64: Add coverage for the ZA ptrace interface
kselftest/arm64: Add SME support to syscall ABI test
selftests/arm64: Add a testcase for handling of ZA on clone()
selftests/arm64: Use TEST_GEN_PROGS_EXTENDED in the FP Makefile
selftests/arm64: Define top_srcdir for the fp tests
selftests/arm64: Clean the fp helper libraries
selftests/arm64: Fix O= builds for the floating point tests
kselftest/arm64: Fix ABI header directory location
arm64/sysreg: Introduce helpers for access to sysreg fields
arm64/mte: Make TCF0 naming and field values more standard
arm64/mte: Make TCF field values and naming more standard
arm64/sysreg: Rename SCTLR_EL1_NTWE/TWI to SCTLR_EL1_nTWE/TWI
arm64/sysreg: Define bits for previously RES1 fields in SCTLR_EL1
arm64: Update name of ID_AA64ISAR0_EL1_ATOMIC to reflect ARM
arm64/sysreg: Standardise ID_AA64ISAR0_EL1 macro names
arm64/sysreg: Enable automatic generation of system register definitions
arm64/sysreg: Generate definitions for ID_AA64ISAR0_EL1
arm64/sysreg: Generate definitions for TTBRn_EL1
arm64/sysreg: Generate definitions for SCTLR_EL1
arm64/sme: More sensibly define the size for the ZA register set
selftests/arm64: Log errors in verify_mte_pointer_validity()
selftests/arm64: Allow zero tags in mte_switch_mode()
selftests/arm64: Check failures to set tags in check_tags_inclusion
selftests/arm64: Remove casts to/from void in check_tags_inclusion
selftests/arm64: Use switch statements in mte_common_util.c
kselftest/arm64: Explicitly build no BTI tests with BTI disabled
arm64/fp: Make SVE and SME length register definition match architecture
arm64/fp: Rename SVE and SME LEN field name to _WIDTH
arm64/sme: Drop SYS_ from SMIDR_EL1 defines
arm64/sme: Standardise bitfield names for SVCR
arm64/sme: Remove _EL0 from name of SVCR - FIXME sysreg.h
arm64/sysreg: Support generation of RAZ fields
arm64/sme: Automatically generate defines for SMCR
arm64/sme: Automatically generate SMIDR_EL1 defines
arm64/sme: Automatically generate SMPRIMAP_EL2 definitions
arm64/sme: Generate SMPRI_EL1 definitions
arm64/sme: Generate defintions for SVCR
arm64/sve: Generate ZCR definitions
arm64/sysreg: Generate definitions for CLIDR_EL1
arm64/sysreg: Generate definitions for CONTEXTIDR_ELx
arm64/sysreg: Generate definitions for CPACR_ELx
arm64/sysreg: Generate definitions for CSSELR_EL1
arm64/sysreg: Generate definitions for DACR32_EL2
arm64/sysreg: Generate definitions for FAR_ELx
Mark Rutland (5):
arm64: stacktrace: delete PCS comment
arm64: stacktrace: make struct stackframe private to stacktrace.c
arm64: Add sysreg header generation scripting
arm64/sysreg: improve comment for regs without fields
arm64/sysreg: fix odd line spacing
Michal Orzel (1):
arm64: cputype: Avoid overflow using MIDR_IMPLEMENTOR_MASK
Palmer Dabbelt (1):
perf: RISC-V: Remove non-kernel-doc ** comments
Peter Collingbourne (1):
arm64: document the boot requirements for MTE
Qi Liu (2):
drivers/perf: hisi: Associate PMUs in SICL with CPUs online
drivers/perf: hisi: Add Support for CPA PMU
Ren Yu (1):
perf: check return value of armpmu_request_irq()
Robin Murphy (7):
dt-bindings: perf: arm-cmn: Add CMN-650 and CMN-700
perf/arm-cmn: Add CMN-650 support
perf/arm-cmn: Refactor occupancy filter selector
perf/arm-cmn: Add CMN-700 support
perf/arm-cmn: Fix filter_sel lookup
perf/arm-cmn: Decode CAL devices properly in debugfs
arm64: mte: Clean up user tag accessors
Sebastian Andrzej Siewior (2):
arm64/sve: Delay freeing memory in fpsimd_flush_thread()
arm64/sve: Make kernel FPU protection RT friendly
Shaokun Zhang (1):
drivers/perf: arm_spe: Expose saturating counter to 16-bit
Tanmay Jagdale (1):
perf/marvell_cn10k: Fix tad_pmu_event_init() to check pmu type first
Tong Tiangen (1):
arm64: fix types in copy_highpage()
Valentin Schneider (1):
arm64: mm: Make arch_faults_on_old_pte() check for migratability
Wan Jiabing (1):
arm64/sme: Fix NULL check after kzalloc
Zhen Lei (5):
kdump: return -ENOENT if required cmdline option does not exist
arm64: Use insert_resource() to simplify code
of: Support more than one crash kernel regions for kexec -s
docs: kdump: Update the crashkernel description for arm64
arm64: kdump: Do not allocate crash low memory if not needed
Documentation/admin-guide/kernel-parameters.txt | 12 +-
Documentation/arm64/booting.rst | 10 +
Documentation/arm64/elf_hwcaps.rst | 33 ++
Documentation/arm64/index.rst | 1 +
Documentation/arm64/sme.rst | 428 ++++++++++++++
Documentation/arm64/sve.rst | 70 ++-
.../devicetree/bindings/perf/arm,cmn.yaml | 2 +
Documentation/virt/kvm/api.rst | 2 +
arch/Kconfig | 7 +
arch/arm64/Kconfig | 119 ++--
arch/arm64/Kconfig.platforms | 2 +-
arch/arm64/include/asm/Kbuild | 1 +
arch/arm64/include/asm/archrandom.h | 2 +-
arch/arm64/include/asm/cpu.h | 4 +
arch/arm64/include/asm/cpufeature.h | 24 +
arch/arm64/include/asm/cputype.h | 2 +-
arch/arm64/include/asm/debug-monitors.h | 4 +-
arch/arm64/include/asm/el2_setup.h | 64 +-
arch/arm64/include/asm/esr.h | 21 +-
arch/arm64/include/asm/exception.h | 29 +-
arch/arm64/include/asm/fpsimd.h | 135 ++++-
arch/arm64/include/asm/fpsimdmacros.h | 87 +++
arch/arm64/include/asm/ftrace.h | 7 +
arch/arm64/include/asm/hugetlb.h | 2 +
arch/arm64/include/asm/hwcap.h | 8 +
arch/arm64/include/asm/kvm_arm.h | 1 +
arch/arm64/include/asm/kvm_emulate.h | 6 +-
arch/arm64/include/asm/kvm_host.h | 6 +-
arch/arm64/include/asm/kvm_ras.h | 2 +-
arch/arm64/include/asm/mte.h | 1 +
arch/arm64/include/asm/pgtable-hwdef.h | 4 +-
arch/arm64/include/asm/pgtable.h | 3 +-
arch/arm64/include/asm/processor.h | 26 +-
arch/arm64/include/asm/stacktrace.h | 32 -
arch/arm64/include/asm/sysreg.h | 181 +++---
arch/arm64/include/asm/system_misc.h | 4 +-
arch/arm64/include/asm/thread_info.h | 2 +
arch/arm64/include/asm/traps.h | 12 +-
arch/arm64/include/asm/uaccess.h | 15 +
arch/arm64/include/uapi/asm/hwcap.h | 8 +
arch/arm64/include/uapi/asm/kvm.h | 2 +
arch/arm64/include/uapi/asm/ptrace.h | 69 ++-
arch/arm64/include/uapi/asm/sigcontext.h | 55 +-
arch/arm64/kernel/cpu_errata.c | 2 +-
arch/arm64/kernel/cpufeature.c | 179 ++++--
arch/arm64/kernel/cpuinfo.c | 13 +
arch/arm64/kernel/debug-monitors.c | 12 +-
arch/arm64/kernel/entry-common.c | 17 +-
arch/arm64/kernel/entry-fpsimd.S | 36 ++
arch/arm64/kernel/entry-ftrace.S | 17 -
arch/arm64/kernel/fpsimd.c | 655 ++++++++++++++++++---
arch/arm64/kernel/ftrace.c | 17 +
arch/arm64/kernel/hw_breakpoint.c | 4 +-
arch/arm64/kernel/kgdb.c | 6 +-
arch/arm64/kernel/machine_kexec.c | 9 +-
arch/arm64/kernel/machine_kexec_file.c | 12 +-
arch/arm64/kernel/mte.c | 45 +-
arch/arm64/kernel/probes/kprobes.c | 4 +-
arch/arm64/kernel/probes/uprobes.c | 4 +-
arch/arm64/kernel/process.c | 44 +-
arch/arm64/kernel/ptrace.c | 366 ++++++++++--
arch/arm64/kernel/setup.c | 17 +-
arch/arm64/kernel/signal.c | 188 +++++-
arch/arm64/kernel/stacktrace.c | 124 ++--
arch/arm64/kernel/sys_compat.c | 2 +-
arch/arm64/kernel/syscall.c | 29 +-
arch/arm64/kernel/traps.c | 67 +--
arch/arm64/kernel/vmlinux.lds.S | 21 +-
arch/arm64/kvm/arm.c | 1 +
arch/arm64/kvm/fpsimd.c | 43 +-
arch/arm64/kvm/handle_exit.c | 16 +-
arch/arm64/kvm/hyp/include/hyp/switch.h | 2 +-
arch/arm64/kvm/hyp/include/nvhe/fixed_config.h | 28 +-
arch/arm64/kvm/hyp/nvhe/switch.c | 30 +
arch/arm64/kvm/hyp/nvhe/sys_regs.c | 2 +-
arch/arm64/kvm/hyp/vgic-v3-sr.c | 4 +-
arch/arm64/kvm/hyp/vhe/switch.c | 11 +-
arch/arm64/kvm/inject_fault.c | 4 +-
arch/arm64/kvm/sys_regs.c | 13 +-
arch/arm64/lib/mte.S | 4 +-
arch/arm64/mm/copypage.c | 4 +-
arch/arm64/mm/fault.c | 73 +--
arch/arm64/mm/hugetlbpage.c | 46 +-
arch/arm64/mm/init.c | 71 ++-
arch/arm64/mm/trans_pgd.c | 2 +-
arch/arm64/tools/Makefile | 8 +-
arch/arm64/tools/cpucaps | 2 +
arch/arm64/tools/gen-sysreg.awk | 268 +++++++++
arch/arm64/tools/sysreg | 369 ++++++++++++
arch/x86/kernel/ftrace.c | 17 +-
drivers/of/fdt.c | 33 +-
drivers/of/kexec.c | 9 +
drivers/perf/arm-cmn.c | 609 +++++++++++++++----
drivers/perf/arm_pmu_acpi.c | 4 +-
drivers/perf/arm_spe_pmu.c | 3 +
drivers/perf/hisilicon/Makefile | 2 +-
drivers/perf/hisilicon/hisi_uncore_cpa_pmu.c | 409 +++++++++++++
drivers/perf/hisilicon/hisi_uncore_pa_pmu.c | 18 +-
drivers/perf/hisilicon/hisi_uncore_pmu.c | 4 +
drivers/perf/hisilicon/hisi_uncore_pmu.h | 1 +
drivers/perf/marvell_cn10k_tad_pmu.c | 6 +-
drivers/perf/riscv_pmu_sbi.c | 8 +-
fs/btrfs/ioctl.c | 7 +-
include/linux/cpuhotplug.h | 1 +
include/linux/pagemap.h | 1 +
include/linux/uaccess.h | 22 +
include/uapi/linux/elf.h | 2 +
include/uapi/linux/prctl.h | 9 +
kernel/crash_core.c | 3 +-
kernel/sys.c | 12 +
kernel/trace/fgraph.c | 18 +
mm/gup.c | 29 +
tools/testing/selftests/arm64/Makefile | 11 +-
tools/testing/selftests/arm64/abi/.gitignore | 1 +
tools/testing/selftests/arm64/abi/Makefile | 9 +-
.../testing/selftests/arm64/abi/syscall-abi-asm.S | 79 ++-
tools/testing/selftests/arm64/abi/syscall-abi.c | 204 ++++++-
tools/testing/selftests/arm64/abi/syscall-abi.h | 15 +
tools/testing/selftests/arm64/abi/tpidr2.c | 298 ++++++++++
tools/testing/selftests/arm64/bti/Makefile | 6 +-
tools/testing/selftests/arm64/fp/.gitignore | 5 +
tools/testing/selftests/arm64/fp/Makefile | 46 +-
tools/testing/selftests/arm64/fp/rdvl-sme.c | 14 +
tools/testing/selftests/arm64/fp/rdvl.S | 10 +
tools/testing/selftests/arm64/fp/rdvl.h | 1 +
tools/testing/selftests/arm64/fp/sme-inst.h | 51 ++
tools/testing/selftests/arm64/fp/ssve-stress | 59 ++
tools/testing/selftests/arm64/fp/sve-ptrace.c | 175 +++++-
tools/testing/selftests/arm64/fp/sve-test.S | 20 +
tools/testing/selftests/arm64/fp/vec-syscfg.c | 10 +
tools/testing/selftests/arm64/fp/vlset.c | 10 +-
tools/testing/selftests/arm64/fp/za-fork-asm.S | 61 ++
tools/testing/selftests/arm64/fp/za-fork.c | 156 +++++
tools/testing/selftests/arm64/fp/za-ptrace.c | 356 +++++++++++
tools/testing/selftests/arm64/fp/za-stress | 59 ++
tools/testing/selftests/arm64/fp/za-test.S | 388 ++++++++++++
tools/testing/selftests/arm64/mte/.gitignore | 1 +
.../selftests/arm64/mte/check_child_memory.c | 8 +-
tools/testing/selftests/arm64/mte/check_prctl.c | 119 ++++
.../selftests/arm64/mte/check_tags_inclusion.c | 54 +-
.../testing/selftests/arm64/mte/mte_common_util.c | 42 +-
.../testing/selftests/arm64/mte/mte_common_util.h | 15 +-
tools/testing/selftests/arm64/signal/.gitignore | 3 +
.../testing/selftests/arm64/signal/test_signals.h | 4 +
.../selftests/arm64/signal/test_signals_utils.c | 6 +
.../testcases/fake_sigreturn_sme_change_vl.c | 92 +++
.../arm64/signal/testcases/sme_trap_no_sm.c | 38 ++
.../signal/testcases/sme_trap_non_streaming.c | 45 ++
.../selftests/arm64/signal/testcases/sme_trap_za.c | 36 ++
.../selftests/arm64/signal/testcases/sme_vl.c | 68 +++
.../selftests/arm64/signal/testcases/ssve_regs.c | 135 +++++
.../selftests/arm64/signal/testcases/testcases.c | 36 ++
.../selftests/arm64/signal/testcases/testcases.h | 3 +-
.../selftests/arm64/signal/testcases/za_regs.c | 128 ++++
154 files changed, 7542 insertions(+), 958 deletions(-)
create mode 100644 Documentation/arm64/sme.rst
create mode 100755 arch/arm64/tools/gen-sysreg.awk
create mode 100644 arch/arm64/tools/sysreg
create mode 100644 drivers/perf/hisilicon/hisi_uncore_cpa_pmu.c
create mode 100644 tools/testing/selftests/arm64/abi/syscall-abi.h
create mode 100644 tools/testing/selftests/arm64/abi/tpidr2.c
create mode 100644 tools/testing/selftests/arm64/fp/rdvl-sme.c
create mode 100644 tools/testing/selftests/arm64/fp/sme-inst.h
create mode 100644 tools/testing/selftests/arm64/fp/ssve-stress
create mode 100644 tools/testing/selftests/arm64/fp/za-fork-asm.S
create mode 100644 tools/testing/selftests/arm64/fp/za-fork.c
create mode 100644 tools/testing/selftests/arm64/fp/za-ptrace.c
create mode 100644 tools/testing/selftests/arm64/fp/za-stress
create mode 100644 tools/testing/selftests/arm64/fp/za-test.S
create mode 100644 tools/testing/selftests/arm64/mte/check_prctl.c
create mode 100644 tools/testing/selftests/arm64/signal/testcases/fake_sigreturn_sme_change_vl.c
create mode 100644 tools/testing/selftests/arm64/signal/testcases/sme_trap_no_sm.c
create mode 100644 tools/testing/selftests/arm64/signal/testcases/sme_trap_non_streaming.c
create mode 100644 tools/testing/selftests/arm64/signal/testcases/sme_trap_za.c
create mode 100644 tools/testing/selftests/arm64/signal/testcases/sme_vl.c
create mode 100644 tools/testing/selftests/arm64/signal/testcases/ssve_regs.c
create mode 100644 tools/testing/selftests/arm64/signal/testcases/za_regs.c
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