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24a147bcef
linux/arch/arm64/include/asm
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Linu Cherian 24a147bcef irqchip/gic-v3: Workaround Marvell erratum 38545 when reading IAR 
When a IAR register read races with a GIC interrupt RELEASE event,
GIC-CPU interface could wrongly return a valid INTID to the CPU
for an interrupt that is already released(non activated) instead of 0x3ff.

As a side effect, an interrupt handler could run twice, once with
interrupt priority and then with idle priority.

As a workaround, gic_read_iar is updated so that it will return a
valid interrupt ID only if there is a change in the active priority list
after the IAR read on all the affected Silicons.

Since there are silicon variants where both 23154 and 38545 are applicable,
workaround for erratum 23154 has been extended to address both of them.

Signed-off-by: Linu Cherian <lcherian@marvell.com>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Link: https://lore.kernel.org/r/20220307143014.22758-1-lcherian@marvell.com
Signed-off-by: Will Deacon <will@kernel.org>
2022-03-07 21:45:02 +00:00
..
vdso arm64: vdso32: drop test for -march=armv8-a 2021-10-21 10:31:38 +01:00
xen xen/arm: introduce XENFEAT_direct_mapped and XENFEAT_not_direct_mapped 2021-04-23 11:33:50 +02:00
acenv.h
acpi.h Revert "ACPI: Add memory semantics to acpi_os_map_memory()" 2021-09-23 20:39:36 +02:00
alternative-macros.h Merge branch 'for-next/insn' into for-next/core 2021-06-24 14:03:24 +01:00
alternative.h arm64: alternatives: Split up alternative.h 2020-11-09 21:49:34 +00:00
arch_gicv3.h irqchip/gic-v3: Workaround Marvell erratum 38545 when reading IAR 2022-03-07 21:45:02 +00:00
arch_timer.h arm64: Add CNT{P,V}CTSS_EL0 alternatives to cnt{p,v}ct_el0 2021-10-19 10:56:20 +01:00
archrandom.h arm64: Add support for SMCCC TRNG entropy source 2021-01-21 17:42:46 +00:00
arm_dsu_pmu.h
arm-cci.h
asm_pointer_auth.h arm64: Conditionally configure PTR_AUTH key of the kernel. 2021-06-15 11:32:31 +01:00
asm-bug.h
asm-extable.h arm64: extable: add load_unaligned_zeropad() handler 2021-10-21 10:45:22 +01:00
asm-offsets.h
asm-prototypes.h kasan: arm64: support specialized outlined tag mismatch checks 2021-05-26 23:31:26 +01:00
asm-uaccess.h arm64: extable: consolidate definitions 2021-10-21 10:45:22 +01:00
assembler.h arm64: Add macro version of the BTI instruction 2021-12-14 18:12:58 +00:00
atomic_ll_sc.h arm64: atomics: format whitespace consistently 2021-12-14 13:00:23 +00:00
atomic_lse.h arm64: atomics: lse: Dereference matching size 2022-01-20 09:13:48 +00:00
atomic.h locking/atomic: make ARCH_ATOMIC a Kconfig symbol 2021-05-26 13:20:49 +02:00
barrier.h asm-generic: introduce io_stop_wc() and add implementation for ARM64 2021-12-22 10:44:53 +00:00
bitops.h include: move find.h from asm_generic to linux 2022-01-15 08:47:31 -08:00
bitrev.h
boot.h arm64: get rid of TEXT_OFFSET 2020-09-07 15:00:52 +01:00
brk-imm.h arm64: kprobes: Use BRK instead of single-step when executing instructions out-of-line 2020-11-03 14:03:38 +00:00
bug.h
cache.h Revert "arm64: cache: Lower ARCH_DMA_MINALIGN to 64 (L1_CACHE_BYTES)" 2021-07-12 13:37:34 +01:00
cacheflush.h set_memory: allow querying whether set_direct_map_*() is actually enabled 2021-07-08 11:48:20 -07:00
checksum.h arm64: csum: cast to the proper type 2021-03-15 10:57:21 +00:00
clocksource.h
cmpxchg.h arm64: atomics: lse: Dereference matching size 2022-01-20 09:13:48 +00:00
compat.h arch: remove compat_alloc_user_space 2021-09-08 15:32:35 -07:00
compiler.h CFI: Move function_nocfi() into compiler.h 2021-06-14 09:12:09 -07:00
cpu_ops.h arm64: fix some spelling mistakes in the comments by codespell 2020-09-07 14:18:50 +01:00
cpu.h arm64: add ID_AA64ISAR2_EL1 sys register 2021-12-13 18:53:00 +00:00
cpufeature.h ARM: 2021-09-07 13:40:51 -07:00
cpuidle.h arm64: Add cpuidle context save/restore helpers 2021-06-17 18:00:39 +01:00
cputype.h irqchip/gic-v3: Workaround Marvell erratum 38545 when reading IAR 2022-03-07 21:45:02 +00:00
current.h
daifflags.h arm64: entry: always set GIC_PRIO_PSR_I_SET during entry 2021-05-05 18:13:58 +01:00
dcc.h
debug-monitors.h arm64: kprobes: Use BRK instead of single-step when executing instructions out-of-line 2020-11-03 14:03:38 +00:00
device.h arm64: Remove dev->archdata.iommu pointer 2020-06-30 11:59:49 +02:00
dmi.h
efi.h efi: Move efifb_setup_from_dmi() prototype from arch headers 2021-12-13 15:07:16 +01:00
el2_setup.h arm64 updates for 5.15: 2021-09-01 15:04:29 -07:00
elf.h arm64: exec: Adjust affinity for compat tasks with mismatched 32-bit EL0 2021-08-20 12:33:06 +02:00
esr.h KVM/arm64 fixes for 5.16, take #1 2021-11-12 16:01:55 -05:00
exception.h arm64: entry: move bulk of ret_to_user to C 2021-08-05 14:09:49 +01:00
exec.h arm64: uaccess: remove set_fs() 2020-12-02 19:49:11 +00:00
extable.h arm64/bpf: Remove 128MB limit for BPF JIT programs 2021-11-08 22:16:26 +01:00
fb.h
fixmap.h arm64/fixmap: make notes of fixed_addresses more precisely 2020-08-08 19:25:04 +01:00
fpsimd.h arm64/sve: Generalise vector length configuration prctl() for SME 2021-12-14 18:33:44 +00:00
fpsimdmacros.h arm64/sve: Explicitly load vector length when restoring SVE state 2021-10-21 10:18:17 +01:00
ftrace.h arm64: ftrace: use HAVE_FUNCTION_GRAPH_RET_ADDR_PTR 2021-11-16 09:47:54 +00:00
futex.h arm64: extable: add a dedicated uaccess handler 2021-10-21 10:45:22 +01:00
gpr-num.h arm64: gpr-num: support W registers 2021-10-21 10:45:22 +01:00
hardirq.h arm64: irqstat: Get rid of duplicated declaration 2020-11-23 10:31:05 +01:00
hugetlb.h mm/hugetlb: change parameters of arch_make_huge_pte() 2021-06-30 20:47:26 -07:00
hw_breakpoint.h
hwcap.h arm64: cpufeature: add HWCAP for FEAT_RPRES 2021-12-13 18:53:00 +00:00
hyp_image.h KVM: arm64: Allow using kvm_nvhe_sym() in hyp code 2021-03-19 12:01:20 +00:00
hyperv-tlfs.h PCI: hv: Add arm64 Hyper-V vPCI support 2022-01-12 08:24:29 -06:00
hypervisor.h arm/arm64: Probe for the presence of KVM hypervisor 2021-03-31 09:16:55 +01:00
image.h
insn-def.h arm64: insn: avoid circular include dependency 2021-06-21 11:58:03 +01:00
insn.h arm64: insn: avoid circular include dependency 2021-06-21 11:58:03 +01:00
io.h asm-generic/io.h: implement pci_remap_cfgspace using ioremap_np 2021-04-08 20:18:38 +09:00
irq_work.h arm64: smp: Add missing prototype for some smp.c functions 2021-03-29 10:41:42 +01:00
irq.h arm64: irq: allow FIQs to be handled 2021-03-24 20:19:30 +00:00
irqflags.h arm64: Always keep DAIF.[IF] in sync 2021-03-24 20:19:30 +00:00
jump_label.h
kasan.h arm64: kasan: simplify and inline MTE functions 2021-02-26 09:41:03 -08:00
Kbuild set_memory: allow querying whether set_direct_map_*() is actually enabled 2021-07-08 11:48:20 -07:00
kernel-pgtable.h arm64: head: avoid over-mapping in map_memory 2021-08-24 16:44:23 +01:00
kexec.h arm64: kexec: remove cpu-reset.h 2021-10-01 13:31:00 +01:00
kfence.h set_memory: allow querying whether set_direct_map_*() is actually enabled 2021-07-08 11:48:20 -07:00
kgdb.h
kprobes.h kprobes: treewide: Make it harder to refer kretprobe_trampoline directly 2021-09-30 21:24:06 -04:00
kvm_arm.h KVM: arm64: Avoid setting the upper 32 bits of TCR_EL2 and CPTR_EL2 to 1 2021-11-25 15:51:25 +00:00
kvm_asm.h KVM: arm64: Expose unshare hypercall to the host 2021-12-16 12:58:57 +00:00
kvm_emulate.h KVM/arm64 updates for Linux 5.16 2022-01-07 10:42:19 -05:00
kvm_host.h RISCV: 2022-01-16 16:15:14 +02:00
kvm_hyp.h KVM: arm64: Remove unused __sve_save_state 2021-11-22 16:01:39 +00:00
kvm_mmu.h KVM: arm64: pkvm: Unshare guest structs during teardown 2021-12-16 12:58:57 +00:00
kvm_mte.h KVM: arm64: Save/restore MTE registers 2021-06-22 14:08:05 +01:00
kvm_pgtable.h Merge branch kvm-arm64/misc-5.17 into kvmarm-master/next 2022-01-04 17:16:15 +00:00
kvm_pkvm.h KVM: arm64: Move host EL1 code out of hyp/ directory 2021-12-06 08:37:03 +00:00
kvm_ptrauth.h KVM: arm64: Update context references from host to hyp 2020-09-15 18:39:02 +01:00
kvm_ras.h
kvm_types.h KVM: arm64: Use common KVM implementation of MMU memory caches 2020-07-09 13:29:43 -04:00
linkage.h arm64: Ensure that the 'bti' macro is defined where linkage.h is included 2021-12-17 16:20:45 +00:00
lse.h
memory.h arm64/bpf: Remove 128MB limit for BPF JIT programs 2021-11-08 22:16:26 +01:00
mman.h arm64: mte: Validate the PROT_MTE request via arch_validate_flags() 2020-09-04 12:46:07 +01:00
mmu_context.h arm64: hibernate: abstract ttrb0 setup function 2021-10-01 13:30:59 +01:00
mmu.h arm64: Add missing include of asm/cpufeature.h to asm/mmu.h 2021-12-06 08:37:03 +00:00
mmzone.h
module.h
module.lds.h kasan: arm64: support specialized outlined tag mismatch checks 2021-05-26 23:31:26 +01:00
mshyperv.h arm64: hyperv: Add Hyper-V hypercall and register access utilities 2021-08-04 16:54:36 +00:00
mte-def.h KVM: arm64: Add ioctl to fetch/store tags in a guest 2021-06-22 14:08:06 +01:00
mte-kasan.h arm64: mte: DC {GVA,GZVA} shouldn't be used when DCZID_EL0.DZP == 1 2021-12-06 17:02:10 +00:00
mte.h arm64: mte: Add asymmetric mode support 2021-10-07 09:30:24 +01:00
neon-intrinsics.h
neon.h
numa.h numa: Move numa implementation to common code 2021-01-14 15:08:55 -08:00
page-def.h arm64/mm: Unify CONT_PTE_SHIFT 2020-09-11 16:33:43 +01:00
page.h arm64/mm: drop HAVE_ARCH_PFN_VALID 2021-10-01 14:54:45 +01:00
paravirt.h x86/paravirt: Switch time pvops functions to use static_call() 2021-03-11 16:17:52 +01:00
patching.h arm64: insn: decouple patching from insn code 2021-06-11 11:19:27 +01:00
pci.h arm64: Enable PCI write-combine resources under sysfs 2020-09-18 14:05:13 +01:00
percpu.h KVM: arm64: Support per_cpu_ptr in nVHE hyp code 2020-12-04 10:08:34 +00:00
perf_event.h arm64: perf: Add more support on caps under sysfs 2021-06-03 09:53:17 +01:00
pgalloc.h arm64: mm: Fix VM_BUG_ON(mm != &init_mm) for trans_pgd 2021-11-16 10:12:57 +00:00
pgtable-hwdef.h arm64/mm: Drop SECTION_[SHIFT|SIZE|MASK] 2021-06-15 12:08:39 +01:00
pgtable-prot.h arm64: mm: Remove unused support for Normal-WT memory type 2021-06-01 18:53:53 +01:00
pgtable-types.h arm64: add support for folded p4d page tables 2020-06-04 19:06:21 -07:00
pgtable.h arm64: pgtable: make __pte_to_phys/__phys_to_pte_val inline functions 2021-11-08 10:05:54 +00:00
pointer_auth.h arm64: move preemption disablement to prctl handlers 2021-07-28 18:33:49 +01:00
preempt.h sched/core: Initialize the idle task with preemption disabled 2021-05-12 13:01:45 +02:00
probes.h arm64/fpsimd: add <asm/insn.h> to <asm/kprobes.h> to fix fpsimd build 2020-11-23 10:59:00 +00:00
proc-fns.h
processor.h arm64 updates for 5.16 2021-11-01 16:33:53 -07:00
ptdump.h arm64: Add __init section marker to some functions 2021-04-08 17:45:10 +01:00
ptrace.h arm64: fix compat syscall return truncation 2021-08-03 10:35:03 +01:00
pvclock-abi.h
rwonce.h arm64: lto: Strengthen READ_ONCE() to acquire when CONFIG_LTO=y 2020-11-09 21:49:34 +00:00
scs.h arm64: scs: Drop unused 'tmp' argument to scs_{load, save} asm macros 2021-05-27 17:55:33 +01:00
sdei.h Merge branch 'for-next/entry' into for-next/core 2021-06-24 14:01:55 +01:00
seccomp.h arm64: Enable seccomp architecture tracking 2020-11-20 11:16:34 -08:00
sections.h arm64: kexec: use ld script for relocation function 2021-10-01 13:31:00 +01:00
set_memory.h set_memory: allow querying whether set_direct_map_*() is actually enabled 2021-07-08 11:48:20 -07:00
setup.h arm64: asm: setup.h: export common variables 2021-10-12 09:22:33 +01:00
shmparam.h
signal32.h
signal.h arm64: expose FAR_EL1 tag bits in siginfo 2020-11-23 18:17:39 +00:00
simd.h arm64: replace in_irq() with in_hardirq() 2021-08-20 19:49:38 +01:00
smp_plat.h arm64: Add missing header <asm/smp.h> in two files 2021-07-12 13:37:34 +01:00
smp.h arm64: smp: remove stack from secondary_data 2021-05-26 22:45:46 +01:00
sparsemem.h arm64: Force SPARSEMEM_VMEMMAP as the only memory management model 2021-04-23 14:18:21 +01:00
spectre.h Merge remote-tracking branch 'origin/kvm-arm64/csv3' into kvmarm-master/queue 2020-12-03 19:12:24 +00:00
spinlock_types.h locking: Allow to include asm/spinlock_types.h from linux/spinlock_types_raw.h 2021-12-07 15:14:12 +01:00
spinlock.h locking/arch: Move qrwlock.h include after qspinlock.h 2021-02-11 07:59:54 -05:00
stack_pointer.h
stackprotector.h arm64: Defer enabling pointer authentication on boot core 2021-02-09 13:50:57 +00:00
stacktrace.h arm64: Make some stacktrace functions private 2021-12-10 14:06:04 +00:00
stage2_pgtable.h KVM: arm64: Remove unused page-table code 2020-09-11 15:51:15 +01:00
stat.h
string.h arm64: Mitigate MTE issues with str{n}cmp() 2021-09-21 14:50:19 +01:00
suspend.h
sync_bitops.h
syscall_wrapper.h
syscall.h arch: remove unused function syscall_set_arguments() 2021-09-14 16:06:20 +02:00
sysreg.h RISCV: 2022-01-16 16:15:14 +02:00
system_misc.h ARM: 9095/1: ARM64: Remove arm_pm_restart() 2021-06-13 18:16:47 +01:00
thread_info.h cpu-to-thread_info update for v5.16-rc1 2021-11-01 17:00:05 -07:00
timex.h
tlb.h arm64: tlb: fix the TTL value of tlb_get_level 2021-06-23 14:52:57 +01:00
tlbflush.h arm64: mm: Fix TLBI vs ASID rollover 2021-08-06 13:52:03 +01:00
topology.h arch_topology: Remove unused topology_set_thermal_pressure() and related 2021-11-23 15:10:26 +05:30
trans_pgd.h arm64: trans_pgd: remove trans_pgd_map_page() 2021-10-01 13:31:01 +01:00
traps.h arm64: expose FAR_EL1 tag bits in siginfo 2020-11-23 18:17:39 +00:00
uaccess.h arm64: uaccess: avoid blocking within critical sections 2021-11-24 09:16:26 +00:00
unistd32.h mm/mempolicy: wire up syscall set_mempolicy_home_node 2022-01-15 16:30:30 +02:00
unistd.h mm/mempolicy: wire up syscall set_mempolicy_home_node 2022-01-15 16:30:30 +02:00
uprobes.h
vdso.h arm64/vdso: Add time namespace page 2020-07-24 13:15:20 +01:00
vermagic.h
virt.h arm64: trans_pgd: hibernate: Add trans_pgd_copy_el2_vectors 2021-10-01 13:30:59 +01:00
vmalloc.h arm64/mm: Add pud_sect_supported() 2021-09-29 16:54:33 +01:00
vmap_stack.h mm: reorder includes after introduction of linux/pgtable.h 2020-06-09 09:39:13 -07:00
word-at-a-time.h arm64: extable: add load_unaligned_zeropad() handler 2021-10-21 10:45:22 +01:00
xor.h