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mm: Reserve asm-generic prot flags 0x10 and 0x20 for arch use
2020-01-17 Dave Martinmm: Reserve asm-generic prot flags 0x10 and 0x20 for arch use
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-10-25 Dave Martinarm64: docs: cpu-feature-registers: Document ID_AA64PFR1_EL1
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-07-22 Dave Martinarm64/sve: Fix a couple of magic numbers for the Z-reg count
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-07-22 Dave Martinarm64/sve: Factor out FPSIMD to SVE state conversion
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-07-22 Dave Martinarm64: stacktrace: Factor out backtrace initialisation
Signed-off-by: Dave Martin <dave.martin@arm.com>
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2019-07-22 Dave Martinarm64: stacktrace: Constify stacktrace.h functions
Signed-off-by: Dave Martin <dave.martin@arm.com>
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2019-07-05 Dave MartinKVM: arm64: Migrate _elx sysreg accessors to msr_s/mrs_s
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-06-13 Dave Martinarm64/sve: Fix missing SVE/FPSIMD endianness conversions
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-06-12 Dave MartinKVM: arm/arm64: vgic: Fix kvm_device leak in vgic_its_destroy
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-06-12 Dave MartinKVM: arm64: Filter out invalid core register IDs in...
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-06-06 Dave Martinarm64: Silence gcc warnings about arch ABI drift
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-06-05 Dave Martinarm64: cpufeature: Fix missing ZFR0 in __read_sysreg_by_enco...
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-04-23 Dave Martinarm64: Expose SVE2 features for userspace
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-04-18 Dave MartinKVM: arm64: Clarify access behaviour for out-of-range...
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-04-18 Dave MartinKVM: Clarify KVM_{SET,GET}_ONE_REG error code documentation
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-04-18 Dave MartinKVM: Clarify capability requirements for KVM_ARM_VCPU_FINALIZE
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-04-18 Dave MartinKVM: arm/arm64: Clean up vcpu finalization function...
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-04-18 Dave MartinKVM: arm64/sve: Explain validity checks in set_sve_vls()
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-04-18 Dave MartinKVM: arm64/sve: Simplify KVM_REG_ARM64_SVE_VLS array sizing
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-04-18 Dave MartinKVM: arm64/sve: WARN when avoiding divide-by-zero in...
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-04-18 Dave MartinKVM: arm64/sve: Make register ioctl access errors more...
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-04-18 Dave MartinKVM: arm64/sve: Miscellaneous tidyups in guest.c
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-04-18 Dave MartinKVM: arm64/sve: Clean up UAPI register ID definitions
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-04-18 Dave MartinKVM: arm64/sve: sys_regs: Demote redundant vcpu_has_sve...
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-04-18 Dave MartinKVM: arm: Make vcpu finalization stubs into inline functions
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-04-18 Dave MartinKVM: arm/arm64: Demote kvm_arm_init_arch_resources...
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-04-18 Dave Martinarm64/sve: Clarify vq map semantics
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-03-29 Dave MartinKVM: arm64/sve: Document KVM API extensions for SVE
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-03-29 Dave MartinKVM: Document errors for KVM_GET_ONE_REG and KVM_SET_ONE_REG
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-03-29 Dave MartinKVM: arm64: Add a capability to advertise SVE support
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-03-29 Dave MartinKVM: arm64/sve: Allow userspace to enable SVE for vcpus
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-03-29 Dave MartinKVM: arm64/sve: Add pseudo-register for the guest's...
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-03-29 Dave MartinKVM: arm/arm64: Add KVM_ARM_VCPU_FINALIZE ioctl
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-03-29 Dave MartinKVM: arm/arm64: Add hook for arch-specific KVM initialisation
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-03-29 Dave Martinarm64/sve: In-kernel vector length availability query interface
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-03-29 Dave MartinKVM: arm64: Enumerate SVE register indices for KVM_GET_REG_LIST
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-03-29 Dave MartinKVM: arm64/sve: Add SVE support to register access...
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-03-29 Dave MartinKVM: arm64: Reject ioctl access to FPSIMD V-regs on SVE vcpus
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-03-29 Dave MartinKVM: arm64: Factor out core register ID enumeration
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-03-29 Dave MartinKVM: arm64: Add missing #include of <linux/string.h> in guest.c
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-03-29 Dave MartinKVM: Allow 2048-bit register access via ioctl interface
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-03-29 Dave MartinKVM: arm64/sve: Context switch the SVE registers
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-03-29 Dave MartinKVM: arm64/sve: System register context switch and...
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-03-29 Dave MartinKVM: arm64: Support runtime sysreg visibility filtering
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-03-29 Dave MartinKVM: arm64: Propagate vcpu into read_id_reg()
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-03-29 Dave MartinKVM: arm64: Add a vcpu flag to control SVE visibility...
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-03-29 Dave Martinarm64/sve: Enable SVE state tracking for non-task contexts
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-03-29 Dave Martinarm64/sve: Check SVE virtualisability
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-03-29 Dave Martinarm64/sve: Clarify role of the VQ map maintenance functions
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-03-29 Dave MartinKVM: arm64: Add missing #includes to kvm_host.h
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-03-29 Dave MartinKVM: arm64: Refactor kvm_arm_num_regs() for easier maintenance
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-03-29 Dave MartinKVM: arm64: Delete orphaned declaration for __fpsimd_enabled()
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-03-29 Dave Martinarm64: fpsimd: Always set TIF_FOREIGN_FPSTATE on task...
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-03-29 Dave MartinKVM: Documentation: Document arm64 core registers in detail
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-02-22 Dave Martinarm64: KVM: Fix architecturally invalid reset value...
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-01-04 Dave Martinarm64/sve: Disentangle <uapi/asm/ptrace.h> from <uapi...
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2019-01-04 Dave Martinarm64/sve: ptrace: Fix SVE_PT_REGS_OFFSET definition
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2018-10-01 Dave Martinarm64: KVM: Tighten guest core register access from userspace
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2018-06-21 Dave MartinKVM: arm64: Avoid mistaken attempts to save SVE state for vcpus
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2018-06-21 Dave MartinKVM: arm64/sve: Fix SVE trap restoration for non-current tasks
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2018-06-21 Dave MartinKVM: arm64: Don't mask softirq with IRQs disabled in vcpu_put()
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2018-06-08 Dave Martinarm64: Fix syscall restarting around signal suppressed by tracer
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2018-06-01 Dave Martinarm64: signal: Report signal frame size to userspace via auxv
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2018-06-01 Dave Martinarm64/sve: Thin out initialisation sanity-checks for sve_max_vl
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2018-05-25 Dave MartinKVM: arm64: Invoke FPSIMD context switch trap from C
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2018-05-25 Dave MartinKVM: arm64: Fold redundant exit code checks out of...
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2018-05-25 Dave MartinKVM: arm64: Remove redundant *exit_code changes in...
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2018-05-25 Dave MartinKVM: arm64: Remove eager host SVE state saving
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2018-05-25 Dave MartinKVM: arm64: Save host SVE context as appropriate
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2018-05-25 Dave Martinarm64/sve: Move sve_pffr() to fpsimd.h and make inline
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2018-05-25 Dave Martinarm64/sve: Switch sve_pffr() argument from task to thread
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2018-05-25 Dave Martinarm64/sve: Move read_zcr_features() out of cpufeature.h
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2018-05-25 Dave MartinKVM: arm64: Optimise FPSIMD handling to reduce guest...
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2018-05-25 Dave MartinKVM: arm64: Repurpose vcpu_arch.debug_flags for general...
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2018-05-25 Dave Martinarm64/sve: Refactor user SVE trap maintenance for external use
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2018-05-25 Dave Martinarm64: fpsimd: Eliminate task->mm checks
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2018-05-25 Dave Martinarm64: fpsimd: Avoid FPSIMD context leakage for the init task
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2018-05-25 Dave Martinarm64: fpsimd: Generalise context saving for non-task contexts
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2018-05-25 Dave MartinKVM: arm64: Convert lazy FPSIMD context switch trap to C
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2018-05-25 Dave Martinarm64: Use update{,_tsk}_thread_flag()
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2018-05-25 Dave Martinthread_info: Add update_thread_flag() helpers
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2018-05-25 Dave Martinarm64: fpsimd: Fix TIF_FOREIGN_FPSTATE after invalidating...
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2018-05-17 Dave Martinarm64/sve: Write ZCR_EL1 on context switch only if changed
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2018-05-14 Dave Martintty: pl011: Avoid spuriously stuck-off interrupts
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2018-03-28 Dave Martinarm64: uaccess: Fix omissions from usercopy whitelist
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2018-03-28 Dave Martinarm64: fpsimd: Split cpu field out from struct fpsimd_state
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2018-03-26 Dave Martinarm64: capabilities: Update prototype for enable call back
Signed-off-by: Dave Martin <dave.martin@arm.com>
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2018-03-26 Dave Martinarm64/sve: Document firmware support requirements in Kconfig
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2018-03-20 Dave Martinarm64: fpsimd: Fix bad si_code for undiagnosed SIGFPE
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2018-03-15 Dave Martinsignal: Add FPE_FLTUNK si_code for undiagnosable fp exceptions
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2018-03-09 Dave Martinarm64: signal: Ensure si_code is valid for all fault signals
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2018-02-26 Dave Martinarm64: KVM: Move CPU ID reg trap setup off the world switch path
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2018-01-16 Dave Martinarm64: fpsimd: Fix state leakage when migrating after sigreturn
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2017-12-14 Dave Martinarm64/sve: Report SVE to userspace via CPUID only if supported
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2017-12-06 Dave Martinarm64/sve: Avoid dereference of dead task_struct in...
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2017-12-06 Dave Martinarm64: fpsimd: Abstract out binding of task's fpsimd...
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2017-12-06 Dave Martinarm64: fpsimd: Prevent registers leaking from dead tasks
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2017-12-01 Dave Martinarm64: fpsimd: Fix failure to restore FPSIMD state after signals
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2017-11-13 Dave Martinarm64: Make ARMV8_DEPRECATED depend on SYSCTL
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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2017-11-03 Dave Martinarm64/sve: Add documentation
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
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