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dfa3cf0bc018ff15e02ce19906be00a287ff2395
linux/arch/arm64/include/asm
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Alistair Popple d438d27341 mm: remove devmap related functions and page table bits 
Now that DAX and all other reference counts to ZONE_DEVICE pages are
managed normally there is no need for the special devmap PTE/PMD/PUD page
table bits.  So drop all references to these, freeing up a software
defined page table bit on architectures supporting it.

Link: https://lkml.kernel.org/r/6389398c32cc9daa3dfcaa9f79c7972525d310ce.1750323463.git-series.apopple@nvidia.com
Signed-off-by: Alistair Popple <apopple@nvidia.com>
Acked-by: Will Deacon <will@kernel.org> # arm64
Acked-by: David Hildenbrand <david@redhat.com>
Suggested-by: Chunyan Zhang <zhang.lyra@gmail.com>
Reviewed-by: Björn Töpel <bjorn@rivosinc.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Cc: Balbir Singh <balbirs@nvidia.com>
Cc: Björn Töpel <bjorn@kernel.org>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Deepak Gupta <debug@rivosinc.com>
Cc: Gerald Schaefer <gerald.schaefer@linux.ibm.com>
Cc: Inki Dae <m.szyprowski@samsung.com>
Cc: John Groves <john@groves.net>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2025-07-09 22:42:18 -07:00
..
stacktrace
arm64: kvm: Introduce nvhe stack size constants
2025-01-08 11:25:28 +00:00
vdso
Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
2025-05-28 14:55:35 -07:00
xen
arm/xen: Introduce xen_setup_dma_ops()
2022-06-06 08:54:33 +02:00
acenv.h
…
acpi.h
arm64: acpi: Harden get_cpu_for_acpi_id() against missing CPU entry
2024-06-28 18:38:30 +01:00
alternative-macros.h
arm64: alternative: make alternative_has_cap_likely() VDSO compatible
2024-09-13 17:28:35 +02:00
alternative.h
Merge branches 'for-next/kpti', 'for-next/missing-proto-warn', 'for-next/iss2-decode', 'for-next/kselftest', 'for-next/misc', 'for-next/feat_mops', 'for-next/module-alloc', 'for-next/sysreg', 'for-next/cpucap', 'for-next/acpi', 'for-next/kdump', 'for-next/acpi-doc', 'for-next/doc' and 'for-next/tpidr2-fix', remote-tracking branch 'arm64/for-next/perf' into for-next/core
2023-06-23 18:32:20 +01:00
apple_m1_pmu.h
drivers/perf: apple_m1: Support host/guest event filtering
2025-03-11 12:52:32 -07:00
arch_gicv3.h
arm64: irqchip/gic-v3: Select priorities at boot time
2024-06-24 18:16:45 +01:00
arch_timer.h
arm64/arch_timer: include <linux/percpu.h>
2024-06-12 15:44:19 +01:00
archrandom.h
arm64: head: Move early kernel mapping routines into C code
2024-02-16 12:42:33 +00:00
arm_dsu_pmu.h
…
arm_pmuv3.h
perf/arm_pmuv3: Add PMUv3.9 per counter EL0 access control
2024-10-28 17:27:15 +00:00
arm-cci.h
…
asm_pointer_auth.h
arm64/sysreg: Add _EL1 into ID_AA64ISAR2_EL1 definition names
2022-07-05 11:45:46 +01:00
asm-bug.h
arm64: asm-bug: Add .align 2 to the end of __BUG_ENTRY
2024-05-21 19:08:24 +01:00
asm-extable.h
arm64: extable: Add fixup handling for uaccess CPY* instructions
2025-03-07 16:18:06 +00:00
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: lib: Use MOPS for usercopy routines
2025-03-07 18:30:16 +00:00
assembler.h
arm64/mm: Override PARange for !LPA2 and use it consistently
2024-12-19 17:23:52 +00:00
atomic_ll_sc.h
arch: Remove cmpxchg_double
2023-06-05 09:36:39 +02:00
atomic_lse.h
arch: Remove cmpxchg_double
2023-06-05 09:36:39 +02:00
atomic.h
locking/atomic: make atomic*_{cmp,}xchg optional
2023-06-05 09:57:14 +02:00
barrier.h
arm64: barrier: Restore spec_bar() macro
2024-05-10 12:21:56 +01:00
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: kretprobes: acquire the regs via a BRK exception
2024-02-20 18:13:57 +00:00
bug.h
…
cache.h
arm64: Make asm/cache.h compatible with vDSO
2025-03-08 14:37:39 +01:00
cacheflush.h
mm: remove page_mapping()
2024-07-03 19:29:59 -07:00
checksum.h
arm64: csum: cast to the proper type
2021-03-15 10:57:21 +00:00
clocksource.h
arm64: Introduce asm/vdso/clocksource.h
2020-03-21 15:23:55 +01:00
cmpxchg.h
arch: Remove cmpxchg_double
2023-06-05 09:36:39 +02:00
compat.h
arm64: avoid prototype warnings for syscalls
2023-05-25 17:44:01 +01:00
compiler.h
arm64: move PAC masks to <asm/pointer_auth.h>
2023-04-13 12:27:11 +01:00
cpu_ops.h
arm64: cpuidle: remove generic cpuidle support
2022-06-23 14:19:33 +01:00
cpu.h
arm64: Expose AIDR_EL1 via sysfs
2025-04-29 14:03:18 +01:00
cpucaps.h
KVM: arm64: Use a cpucap to determine if system supports FEAT_PMUv3
2025-03-11 12:54:23 -07:00
cpufeature.h
KVM: arm64: Move PMUVer filtering into KVM code
2025-03-11 12:54:29 -07:00
cpuidle.h
arm64: cpuidle: remove generic cpuidle support
2022-06-23 14:19:33 +01:00
cputype.h
Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
2025-05-28 14:55:35 -07:00
crash_reserve.h
kexec: split crashkernel reservation code out from crash_core.c
2024-02-23 17:48:21 -08:00
current.h
…
daifflags.h
arm64: pt_regs: rename "pmr_save" -> "pmr"
2024-10-17 18:06:24 +01:00
dcc.h
…
debug-monitors.h
arm64: mops: Handle MOPS exceptions from EL1
2024-10-17 16:42:51 +01:00
device.h
arm64: Remove dev->archdata.iommu pointer
2020-06-30 11:59:49 +02:00
dmi.h
…
efi.h
Merge patch series "riscv: Introduce KASLR"
2023-09-08 11:25:13 -07:00
el2_setup.h
Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
2025-06-05 11:39:17 -07:00
elf.h
arm64: remove unnecessary ifdefs around is_compat_task()
2024-02-28 18:01:23 +00:00
esr.h
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
2025-05-29 08:10:01 -07:00
exception.h
Merge branch 'for-next/mops' into for-next/core
2024-11-14 12:07:28 +00:00
exec.h
arm64: uaccess: remove set_fs()
2020-12-02 19:49:11 +00:00
extable.h
arm64: mm: Handle PAN faults on uaccess CPY* instructions
2025-03-07 18:28:29 +00:00
fixmap.h
KVM: arm64: nv: Handle mapping of VNCR_EL2 at EL2
2025-05-19 08:01:19 +01:00
fpsimd.h
arm64/fpsimd: Add task_smstop_sm()
2025-05-08 15:29:09 +01:00
fpsimdmacros.h
arm64: Delete the zero_za macro
2023-12-11 13:18:06 +00:00
fpu.h
arm64: implement ARCH_HAS_KERNEL_FPU_SUPPORT
2024-05-19 14:36:18 -07:00
ftrace.h
ftrace: Add ftrace_get_symaddr to convert fentry_ip to symaddr
2024-12-26 10:50:07 -05:00
futex.h
arm64: extable: add a dedicated uaccess handler
2021-10-21 10:45:22 +01:00
gcs.h
arm64/signal: Set up and restore the GCS context for signal handlers
2024-10-04 12:04:40 +01:00
gpr-num.h
arm64: gpr-num: support W registers
2021-10-21 10:45:22 +01:00
hardirq.h
arm64: errata: Work around AmpereOne's erratum AC04_CPU_23
2025-05-19 12:46:26 +01:00
hugetlb.h
arm64: hugetlb: Refine tlb maintenance scope
2025-05-09 13:43:06 +01:00
hw_breakpoint.h
arm64/hw_breakpoint: Directly use ESR_ELx_WNR for an watchpoint exception
2024-03-01 17:36:51 +00:00
hwcap.h
arm64/hwcap: Describe 2024 dpISA extensions to userspace
2025-01-08 13:41:06 +00:00
hyp_image.h
KVM: arm64: Allow using kvm_nvhe_sym() in hyp code
2021-03-19 12:01:20 +00:00
hypervisor.h
smccc/kvm_guest: Enable errata based on implementation CPUs
2025-02-26 13:30:37 -08:00
image.h
arm64: Fix dangling references to Documentation/arm64
2023-06-21 08:53:31 -06:00
insn-def.h
arm64: move AARCH64_BREAK_FAULT into insn-def.h
2022-02-22 21:25:48 +00:00
insn.h
arm64: insn: Add support for encoding DSB
2025-05-08 15:28:29 +01:00
io.h
mm/ioremap: pass pgprot_t to ioremap_prot() instead of unsigned long
2025-03-16 22:06:23 -07:00
irq_work.h
arch: consolidate arch_irq_work_raise prototypes
2023-11-23 11:32:29 +01:00
irq.h
arm64: irq: include <linux/cpumask.h>
2024-01-12 12:44:18 +00:00
irqflags.h
arm64: Remove unnecessary irqflags alternative.h include
2024-04-10 17:15:09 +01:00
jump_label.h
jump_label: adjust inline asm to be consistent
2024-11-04 16:21:45 -05:00
kasan.h
arm64: mm: omit redundant remap of kernel image
2024-02-16 12:42:35 +00:00
Kbuild
fprobe: Add fprobe_header encoding feature
2024-12-26 10:50:05 -05:00
kernel-pgtable.h
arm64: Work around convergence issue with LLD linker
2025-06-02 12:53:18 +01:00
kexec.h
arm64, crash: wrap crash dumping code into crash related ifdefs
2024-02-23 17:48:23 -08:00
kfence.h
mm,kfence: decouple kfence from page granularity mapping judgement
2023-03-27 16:15:20 +01:00
kgdb.h
…
kprobes.h
kprobes: unify kprobes_exceptions_nofify() prototypes
2023-11-10 19:59:05 +09:00
kvm_arm.h
Merge tag 'kvmarm-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
2025-05-26 16:19:46 -04:00
kvm_asm.h
Merge branch kvm-arm64/pkvm-np-guest into kvmarm-master/next
2025-01-12 10:37:15 +00:00
kvm_emulate.h
KVM: arm64: Remove cpacr_clear_set()
2025-06-19 13:06:20 +01:00
kvm_host.h
KVM: arm64: VHE: Centralize ISBs when returning to host
2025-06-19 13:34:59 +01:00
kvm_hyp.h
KVM: arm64: nv: Nested GICv3 emulation
2025-03-03 14:57:04 -08:00
kvm_mmu.h
Merge branch kvm-arm64/misc-6.14 into kvmarm-master/next
2025-01-17 11:06:50 +00:00
kvm_mte.h
KVM: arm64: Save/restore MTE registers
2021-06-22 14:08:05 +01:00
kvm_nested.h
KVM: arm64: nv: Add S1 TLB invalidation primitive for VNCR_EL2
2025-05-19 08:01:19 +01:00
kvm_pgtable.h
KVM: arm64: np-guest CMOs with PMD_SIZE fixmap
2025-05-21 14:33:51 +01:00
kvm_pkvm.h
KVM: arm64: Add a range to pkvm_mappings
2025-05-21 14:33:51 +01:00
kvm_ptrauth.h
KVM: arm64: Tidying up PAuth code in KVM
2024-08-07 19:11:05 +00:00
kvm_ras.h
KVM: arm64: Don't translate FAR if invalid/unsafe
2025-04-03 00:28:51 -07:00
kvm_types.h
KVM: arm64: Use common KVM implementation of MMU memory caches
2020-07-09 13:29:43 -04:00
linkage.h
arm64: Extend support for CONFIG_FUNCTION_ALIGNMENT
2023-01-24 11:49:43 +00:00
lse.h
arm64: Remove system_uses_lse_atomics()
2023-10-18 10:58:59 +01:00
mem_encrypt.h
arm64: Add missing includes for mem_encrypt
2025-04-29 16:20:11 +01:00
memory.h
arm64: kvm: Introduce nvhe stack size constants
2025-01-08 11:25:28 +00:00
mman.h
mm: update architecture and driver code to use vm_flags_t
2025-07-09 22:42:14 -07:00
mmu_context.h
sched,arm64: Handle CPU isolation on last resort fallback rq selection
2025-01-08 18:14:23 +01:00
mmu.h
arm64: Rework checks for broken Cavium HW in the PI code
2025-04-18 13:51:07 -07:00
module.h
arm64: Avoid cpus_have_const_cap() for ARM64_WORKAROUND_843419
2023-10-16 14:17:06 +01:00
module.lds.h
arm64: module: mandate MODULE_PLTS
2023-06-06 17:39:05 +01:00
mshyperv.h
arm64/hyperv: Add some missing functions to arm64
2025-03-20 21:23:03 +00:00
mte-def.h
arm64: mte: Define the number of bytes for storing the tags in a page
2022-02-15 22:53:29 +00:00
mte-kasan.h
arm64: mte: rename TCO routines
2023-04-05 19:42:43 -07:00
mte.h
hugetlb: arm64: add mte support
2024-10-16 14:50:47 +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
vdso: Introduce vdso/page.h
2024-10-16 00:13:04 +02:00
page.h
mm: add vma_alloc_zeroed_movable_folio()
2023-02-02 22:33:18 -08:00
paravirt_api_clock.h
sched/headers: Add initial new headers as identity mappings
2022-02-23 10:58:28 +01:00
paravirt.h
x86/paravirt: Switch time pvops functions to use static_call()
2021-03-11 16:17:52 +01:00
pci.h
asm-generic: Add new pci.h and use it
2022-07-22 17:34:57 -05:00
percpu.h
arch: Remove cmpxchg_double
2023-06-05 09:36:39 +02:00
perf_event.h
perf/core: Correct perf sampling with guest VMs
2024-11-14 10:40:01 +01:00
pgalloc.h
arm64: pgtable: use mmu gather to free p4d level page table
2025-01-25 20:22:21 -08:00
pgtable-hwdef.h
Merge branches 'for-next/amuv1-avg-freq', 'for-next/pkey_unrestricted', 'for-next/sysreg', 'for-next/misc', 'for-next/pgtable-cleanups', 'for-next/kselftest', 'for-next/uaccess-mops', 'for-next/pie-poe-cleanup', 'for-next/cputype-kryo', 'for-next/cca-dma-address', 'for-next/drop-pxd_table_bit' and 'for-next/spectre-bhb-assume-vulnerable', remote-tracking branch 'arm64/for-next/perf' into for-next/core
2025-03-25 19:32:03 +00:00
pgtable-prot.h
mm: remove devmap related functions and page table bits
2025-07-09 22:42:18 -07:00
pgtable-types.h
arm64/mm: define ptdesc_t
2025-05-11 17:48:19 -07:00
pgtable.h
mm: remove devmap related functions and page table bits
2025-07-09 22:42:18 -07:00
pkeys.h
arm64: pkeys: remove redundant WARN
2024-09-10 18:19:59 +01:00
pointer_auth.h
arm64: move PAC masks to <asm/pointer_auth.h>
2023-04-13 12:27:11 +01:00
por.h
arm64/sysreg: Move POR_EL0_INIT to asm/por.h
2025-03-10 18:10:41 +00:00
preempt.h
arm64: Support PREEMPT_DYNAMIC
2022-02-19 11:11:09 +01:00
probes.h
arm64: probes: Remove probe_opcode_t
2024-10-15 18:16:20 +01:00
proc-fns.h
arm64: mm: convert cpu_do_switch_mm() to C
2020-02-27 14:30:50 +00:00
processor.h
Merge branches 'for-next/gcs', 'for-next/probes', 'for-next/asm-offsets', 'for-next/tlb', 'for-next/misc', 'for-next/mte', 'for-next/sysreg', 'for-next/stacktrace', 'for-next/hwcap3', 'for-next/kselftest', 'for-next/crc32', 'for-next/guest-cca', 'for-next/haft' and 'for-next/scs', remote-tracking branch 'arm64/for-next/perf' into for-next/core
2024-11-14 12:07:16 +00:00
ptdump.h
arm64/mm: define ptdesc_t
2025-05-11 17:48:19 -07:00
ptrace.h
arm64: stacktrace: unwind exception boundaries
2024-10-17 18:06:25 +01:00
pvclock-abi.h
KVM: arm64: Implement PV_TIME_FEATURES call
2019-10-21 19:20:27 +01:00
rqspinlock.h
bpf: Use architecture provided res_smp_cond_load_acquire
2025-04-10 12:47:07 -07:00
rsi_cmds.h
arm64: Add missing includes for mem_encrypt
2025-04-29 16:20:11 +01:00
rsi_smc.h
arm64: rsi: Add RSI definitions
2024-10-23 10:19:32 +01:00
rsi.h
arm64: rsi: Add automatic arm-cca-guest module loading
2025-01-08 13:58:49 +00:00
runtime-const.h
arm64: add 'runtime constant' support
2024-07-09 07:30:43 -07:00
rwonce.h
arm64: drop binutils version checks
2025-04-30 21:55:06 +02:00
scs.h
arm64/scs: Drop unused prototype __pi_scs_patch_vmlinux()
2024-11-08 16:37:55 +00:00
sdei.h
arm64: sdei: abort running SDEI handlers during crash
2023-08-04 17:35:33 +01:00
seccomp.h
arm64: Remove duplicate included header
2025-01-10 13:44:22 +00:00
sections.h
KVM: arm64: Add .hyp.data section
2025-05-06 09:56:18 +01:00
semihost.h
serial: earlycon-arm-semihost: Move smh_putc() variants in respective arch's semihost.h
2023-01-19 14:58:19 +01:00
set_memory.h
Merge tag 'mm-stable-2024-11-18-19-27' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2024-11-23 09:58:07 -08:00
setup.h
arm64: kernel: Remove early fdt remap code
2024-02-16 12:42:29 +00:00
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: fpsimd: Drop unneeded 'busy' flag
2023-12-12 14:29:16 +00:00
smp_plat.h
arm64: Add missing header <asm/smp.h> in two files
2021-07-12 13:37:34 +01:00
smp.h
arm64: implement raw_smp_processor_id() using thread_info
2024-06-12 15:44:19 +01:00
sparsemem.h
arm64/mm: Reduce PA space to 48 bits when LPA2 is not enabled
2024-12-19 17:23:52 +00:00
spectre.h
arm64: bpf: Add BHB mitigation to the epilogue for cBPF programs
2025-05-08 15:28:35 +01:00
spinlock_types.h
Improve consistency of '#error' directive messages
2024-11-11 17:17:04 -08:00
spinlock.h
locking/arch: Move qrwlock.h include after qspinlock.h
2021-02-11 07:59:54 -05:00
stack_pointer.h
…
stackprotector.h
stackprotector: actually use get_random_canary()
2022-11-18 02:18:10 +01:00
stacktrace.h
arm64: efi: Account for the EFI runtime stack in stack unwinder
2023-01-16 15:27:31 +01:00
stage2_pgtable.h
KVM: arm64: Move VTCR_EL2 into struct s2_mmu
2023-10-23 18:48:46 +00:00
stat.h
…
string.h
Revert "arm64: Mitigate MTE issues with str{n}cmp()"
2022-03-07 21:57:02 +00:00
suspend.h
arm64: Preserve register x18 when CPU is suspended
2020-05-15 16:35:50 +01:00
sync_bitops.h
…
syscall_wrapper.h
posix-timers: Get rid of [COMPAT_]SYS_NI() uses
2023-12-20 21:30:27 -08:00
syscall.h
syscall.h: introduce syscall_set_nr()
2025-05-11 17:48:15 -07:00
sysreg.h
arm64: sysreg: Drag linux/kconfig.h to work around vdso build issue
2025-05-30 09:09:01 +01:00
system_misc.h
arm64: die(): pass 'err' as long
2022-09-16 12:17:03 +01:00
text-patching.h
asm-generic: introduce text-patching.h
2024-11-07 14:25:15 -08:00
thread_info.h
Merge branch 'for-next/mm' into for-next/core
2025-05-27 12:26:06 +01:00
timex.h
…
tlb.h
mm: pgtable: introduce generic __tlb_remove_table()
2025-01-25 20:22:23 -08:00
tlbbatch.h
arm64: support batched/deferred tlb shootdown during page reclamation/migration
2023-08-18 10:12:37 -07:00
tlbflush.h
arm64/mm: Close theoretical race where stale TLB entry remains valid
2025-06-02 13:02:14 +01:00
topology.h
ACPI: processor: Move arch_init_invariance_cppc() call later
2024-11-06 21:31:36 +01:00
trans_pgd.h
arm64: trans_pgd: remove trans_pgd_map_page()
2021-10-01 13:31:01 +01:00
traps.h
arm64: mops: Do not dereference src reg for a set operation
2025-03-28 19:19:31 +00:00
uaccess.h
arm64/gcs: Provide put_user_gcs()
2024-10-04 12:04:34 +01:00
unistd32.h
arm64: convert unistd_32.h to syscall.tbl format
2024-07-10 14:23:38 +02:00
unistd.h
arm64: rework compat syscall macros
2024-07-10 14:23:38 +02:00
uprobes.h
arm64: probes: Fix uprobes for big-endian kernels
2024-10-09 16:56:53 +01:00
vdso.h
arm64: vdso: Switch to generic storage implementation
2025-02-21 09:54:01 +01:00
vectors.h
arm64: Avoid cpus_have_const_cap() for ARM64_UNMAP_KERNEL_AT_EL0
2023-10-16 14:17:06 +01:00
vermagic.h
arch: split MODULE_ARCH_VERMAGIC definitions out to <asm/vermagic.h>
2020-04-23 10:50:26 +09:00
virt.h
arm64: Update comment regarding values in __boot_cpu_mode
2025-05-16 15:12:21 +01:00
vmalloc.h
arm64/mm: Support huge pte-mapped pages in vmap
2025-05-09 13:43:07 +01:00
vmap_stack.h
kasan, arm64: reset pointer tags of vmapped stacks
2022-03-24 19:06:47 -07:00
vncr_mapping.h
KVM: arm64: Add FEAT_FGT2 registers to the VNCR page
2025-05-19 11:35:30 +01:00
word-at-a-time.h
arm64: word-at-a-time: improve byte count calculations for LE
2024-06-19 12:35:19 -07:00
xor.h
lib/xor: make xor prototypes more friendly to compiler vectorization
2022-02-11 20:39:39 +11:00