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linux/arch/riscv/include/asm
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Yunhui Cui 6dc3934152 riscv: io: avoid null-pointer arithmetic in PIO helpers 
When port I/O is not supported, exposing the port-string helpers is both
unnecessary and can make clang diagnose null-pointer arithmetic from the
PCI_IOBASE based address expression.  Keep the MMIO string helpers
available as before, but only provide the port I/O variants when
CONFIG_HAS_IOPORT is enabled.

Signed-off-by: Yunhui Cui <cuiyunhui@bytedance.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Link: https://patch.msgid.link/20260703122832.15984-2-cuiyunhui@bytedance.com
Signed-off-by: Paul Walmsley <pjw@kernel.org>
2026-07-13 12:01:49 -06:00
..
vdso
riscv: vdso: Drop CONFIG_GENERIC_TIME_VSYSCALL guard around syscall fallbacks
2026-06-02 21:41:23 +02:00
vendor_extensions
riscv: asm: use .insn for making custom instructions
2025-10-27 18:58:37 -06:00
acenv.h
RISC-V: Add support to build the ACPI core
2023-06-01 08:45:01 -07:00
acpi.h
ACPI: PPTT: Use acpi_get_cpu_uid() and remove get_acpi_id_for_cpu()
2026-04-06 16:55:16 +02:00
alternative-macros.h
riscv: Replace __ASSEMBLY__ with __ASSEMBLER__ in non-uapi headers
2025-09-16 16:25:30 -06:00
alternative.h
riscv: errata: Fix the PAUSE Opcode for MIPS P8700
2025-09-19 10:33:56 -06:00
arch_hweight.h
riscv: hweight: Use riscv_has_extension_likely
2025-11-19 09:19:27 -07:00
archrandom.h
RISC-V: Implement archrandom when Zkr is available
2024-01-17 18:20:49 -08:00
asm-extable.h
riscv: Replace __ASSEMBLY__ with __ASSEMBLER__ in non-uapi headers
2025-09-16 16:25:30 -06:00
asm-offsets.h
…
asm-prototypes.h
riscv: add platform-specific double word shifts for riscv32
2026-05-28 21:24:51 -07:00
asm.h
riscv: asm: use .insn for making custom instructions
2025-10-27 18:58:37 -06:00
assembler.h
arch/riscv: compile vdso with landing pad and shadow stack note
2026-01-29 02:38:40 -07:00
atomic.h
riscv: fix various typos in comments and code
2026-04-04 18:42:39 -06:00
barrier.h
riscv: Replace __ASSEMBLY__ with __ASSEMBLER__ in non-uapi headers
2025-09-16 16:25:30 -06:00
bitops.h
riscv: remove irqflags.h inclusion in asm/bitops.h
2026-01-07 13:16:38 -07:00
bitrev.h
arch/riscv: Add bitrev.h file to support rev8 and brev8
2026-05-28 11:39:16 -04:00
bug.h
Merge commit 'linus' into core/bugs, to resolve conflicts
2025-08-05 11:15:34 +02:00
bugs.h
riscv: Add ghostwrite vulnerability
2025-01-18 12:33:39 -08:00
cache.h
riscv: Replace __ASSEMBLY__ with __ASSEMBLER__ in non-uapi headers
2025-09-16 16:25:30 -06:00
cacheflush.h
mm/sparse-vmemmap: flush_cache_vmap() after hotplugging vmemmap
2026-07-13 11:29:52 -06:00
cacheinfo.h
riscv: Add cache information in AUX vector
2020-09-15 18:46:08 -07:00
cfi.h
kcfi: Rename CONFIG_CFI_CLANG to CONFIG_CFI
2025-09-24 14:29:14 -07:00
checksum.h
riscv: checksum: Use riscv_has_extension_likely
2025-11-19 09:19:27 -07:00
clint.h
RISC-V: Resurrect the MMIO timer implementation for M-mode systems
2020-09-19 13:21:11 -07:00
clocksource.h
riscv: use vDSO common flow to reduce the latency of the time-related functions
2020-06-10 19:47:16 -07:00
cmpxchg.h
riscv: cmpxchg: Use riscv_has_extension_likely
2025-11-19 09:19:28 -07:00
compat.h
riscv: compat: fix COMPAT_UTS_MACHINE definition
2026-01-29 00:59:17 -07:00
cpu_ops_sbi.h
riscv: Replace __ASSEMBLY__ with __ASSEMBLER__ in non-uapi headers
2025-09-16 16:25:30 -06:00
cpu_ops.h
riscv: cpu_ops: Change return value type of cpu_is_stopped() to bool
2026-06-06 23:48:14 -06:00
cpu.h
RISC-V: Add support to build the ACPI core
2023-06-01 08:45:01 -07:00
cpufeature-macros.h
riscv: Move cpufeature.h macros into their own header
2024-11-11 07:33:08 -08:00
cpufeature.h
riscv: zicfiss / zicfilp enumeration
2026-01-25 21:09:53 -07:00
cpuidle.h
RISC-V: Enable CPU_IDLE drivers
2022-03-10 09:29:21 -08:00
crash_reserve.h
kexec: split crashkernel reservation code out from crash_core.c
2024-02-23 17:48:21 -08:00
csr.h
riscv: csr: define vtype register elements
2026-02-09 15:27:33 -07:00
current.h
riscv: Replace __ASSEMBLY__ with __ASSEMBLER__ in non-uapi headers
2025-09-16 16:25:30 -06:00
delay.h
…
dma-noncoherent.h
riscv: mm: dma-noncoherent: nonstandard cache operations support
2023-09-01 09:08:57 -07:00
dmi.h
riscv: dmi: Add SMBIOS/DMI support
2024-06-26 08:02:33 -07:00
efi.h
Merge patch series "riscv: Introduce KASLR"
2023-09-08 11:25:13 -07:00
elf.h
riscv: fix various typos in comments and code
2026-04-04 18:42:39 -06:00
entry-common.h
riscv/traps: Introduce software check exception and uprobe handling
2026-01-29 02:38:40 -07:00
errata_list_vendors.h
riscv: errata: Fix the PAUSE Opcode for MIPS P8700
2025-09-19 10:33:56 -06:00
errata_list.h
riscv: errata: Fix the PAUSE Opcode for MIPS P8700
2025-09-19 10:33:56 -06:00
exec.h
riscv: Randomize lower bits of stack address
2024-09-17 08:05:10 -07:00
extable.h
riscv: mm: stub extable related functions/macros for !MMU
2023-06-14 07:17:45 -07:00
fence.h
riscv: Add license to fence.h
2024-09-03 07:18:33 -07:00
fixmap.h
riscv: Move early dtb mapping into the fixmap region
2023-04-13 18:14:26 -07:00
fpu.h
riscv: add support for kernel-mode FPU
2024-05-19 14:36:19 -07:00
ftrace.h
riscv: Replace __ASSEMBLY__ with __ASSEMBLER__ in non-uapi headers
2025-09-16 16:25:30 -06:00
futex.h
riscv/futex: sign extend compare value in atomic cmpxchg
2025-02-14 13:06:31 -08:00
gdb_xml.h
riscv: Avoid kgdb.h including gdb_xml.h to solve unused-const-variable warning
2020-07-09 20:12:28 -07:00
gpr-num.h
riscv: Replace __ASSEMBLY__ with __ASSEMBLER__ in non-uapi headers
2025-09-16 16:25:30 -06:00
hugetlb.h
mm: introduce memdesc_flags_t
2025-09-13 16:55:07 -07:00
hwcap.h
riscv: zicfiss / zicfilp enumeration
2026-01-25 21:09:53 -07:00
hwprobe.h
riscv: hwprobe: add support for RISCV_HWPROBE_KEY_IMA_EXT_1
2026-01-29 02:38:40 -07:00
image.h
riscv: Replace __ASSEMBLY__ with __ASSEMBLER__ in non-uapi headers
2025-09-16 16:25:30 -06:00
insn-def.h
riscv: Introduce Zalasr instructions
2025-11-19 09:19:28 -07:00
insn.h
riscv: kprobes: Move branch_funct3 to insn.h
2025-09-16 18:46:43 -06:00
io.h
riscv: io: avoid null-pointer arithmetic in PIO helpers
2026-07-13 12:01:49 -06:00
irq_stack.h
riscv: Deduplicate IRQ stack switching
2023-10-27 14:43:06 -07:00
irq_work.h
arch: consolidate arch_irq_work_raise prototypes
2023-11-23 11:32:29 +01:00
irq.h
ACPI: RISC-V: Add RPMI System MSI to GSI mapping
2025-09-25 19:49:09 -06:00
irqflags.h
riscv: Remove unnecessary irqflags processor.h include
2024-04-16 18:50:52 -07:00
jump_label.h
riscv: Replace __ASSEMBLY__ with __ASSEMBLER__ in non-uapi headers
2025-09-16 16:25:30 -06:00
kasan.h
riscv: Replace __ASSEMBLY__ with __ASSEMBLER__ in non-uapi headers
2025-09-16 16:25:30 -06:00
Kbuild
ring-buffer: Flush and stop persistent ring buffer on panic
2026-05-21 08:20:58 -04:00
kdebug.h
…
kexec.h
riscv: kexec_file: Support loading Image binary file
2025-06-05 11:09:34 -07:00
kfence.h
riscv: kfence: Call mark_new_valid_map() for kfence_unprotect()
2026-06-06 23:48:15 -06:00
kgdb.h
riscv: kgdb: Ensure that BUFMAX > NUMREGBYTES
2025-10-09 19:36:45 -06:00
kprobes.h
riscv: Only consider swbp/ss handlers for correct privileged mode
2023-09-20 06:45:27 -07:00
kvm_aia.h
RISC-V: KVM: AIA: Make HGEI number management fully per-CPU
2026-05-26 09:05:10 +05:30
kvm_gstage.h
KVM: riscv: Add a G-stage PTE cmpxchg helper
2026-06-03 18:19:57 +05:30
kvm_host.h
KVM: riscv: Use an rwlock for mmu_lock
2026-06-03 18:19:55 +05:30
kvm_isa.h
RISC-V: KVM: Factor-out ISA checks into separate sources
2026-04-03 17:35:01 +05:30
kvm_mmu.h
RISC-V: KVM: Factor-out g-stage page table management
2025-07-28 22:27:30 +05:30
kvm_nacl.h
riscv: kvm: Use endian-specific __lelong for NACL shared memory
2026-06-14 11:09:41 +05:30
kvm_tlb.h
RISC-V: KVM: Flush VS-stage TLB after VCPU migration for Andes cores
2025-11-24 09:55:36 +05:30
kvm_types.h
KVM: RISC-V: Use common KVM implementation of MMU memory caches
2022-01-06 14:38:50 +05:30
kvm_vcpu_config.h
RISC-V: KVM: Factor-out VCPU config into separate sources
2026-04-03 17:48:40 +05:30
kvm_vcpu_fp.h
RISC-V: KVM: Improve ISA extension by using a bitmap
2022-07-29 17:14:11 +05:30
kvm_vcpu_insn.h
RISC-V: KVM: Add extensible CSR emulation framework
2022-07-29 17:14:53 +05:30
kvm_vcpu_pmu.h
RISC-V: KVM: Implement get event info function
2025-09-16 11:49:31 +05:30
kvm_vcpu_sbi_fwft.h
RISC-V: KVM: Implement ONE_REG interface for SBI FWFT state
2025-09-16 10:54:21 +05:30
kvm_vcpu_sbi.h
RISC-V: KVM: Add SBI MPXY extension support for Guest
2025-11-24 09:55:36 +05:30
kvm_vcpu_timer.h
RISC-V: KVM: Fix kvm_riscv_vcpu_timer_pending() for Sstc
2022-10-21 11:52:45 +05:30
kvm_vcpu_vector.h
KVM: RISC-V: refactor vector state reset
2025-05-21 09:34:46 +05:30
kvm_vmid.h
RISC-V: KVM: Flush VS-stage TLB after VCPU migration for Andes cores
2025-11-24 09:55:36 +05:30
linkage.h
riscv: Implement _THIS_IP_ using inline asm
2026-06-06 20:17:53 -06:00
membarrier.h
membarrier: riscv: Provide core serializing command
2024-02-15 08:04:14 -08:00
mman.h
riscv/mm: ensure PROT_WRITE leads to VM_READ | VM_WRITE
2026-01-25 21:09:53 -07:00
mmio.h
riscv/barrier: Consolidate fence definitions
2024-03-19 18:52:24 -07:00
mmiowb.h
riscv/barrier: Consolidate fence definitions
2024-03-19 18:52:24 -07:00
mmu_context.h
riscv/shstk: If needed allocate a new shadow stack on clone
2026-01-29 02:34:21 -07:00
mmu.h
riscv: Replace __ASSEMBLY__ with __ASSEMBLER__ in non-uapi headers
2025-09-16 16:25:30 -06:00
module.h
riscv: module: move find_section to module.h
2023-01-31 23:29:39 -08:00
module.lds.h
module, riscv: force sh_addr=0 for arch-specific sections
2026-05-26 20:45:59 +00:00
numa.h
riscv: Add numa support for riscv64 platform
2021-01-14 15:08:58 -08:00
page.h
Merge tag 'riscv-for-linus-7.1-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
2026-04-24 10:00:37 -07:00
paravirt.h
riscv/paravirt: Use common code for paravirt_steal_clock()
2026-01-12 16:47:33 +01:00
pci.h
Merge tag 'riscv-for-linus-5.20-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
2022-08-06 15:04:48 -07:00
perf_event.h
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
2024-11-23 16:00:50 -08:00
pgalloc.h
riscv: pgtable: unconditionally use tlb_remove_ptdesc()
2025-04-01 15:17:14 -07:00
pgtable-32.h
RISC-V: Provide pgtable_l5_enabled on rv32
2023-10-31 19:15:50 -07:00
pgtable-64.h
riscv: mm: Define MAX_POSSIBLE_PHYSMEM_BITS for zsmalloc
2025-10-17 22:00:29 -06:00
pgtable-bits.h
riscv: mm: add userfaultfd write-protect support
2025-11-24 15:08:55 -08:00
pgtable.h
riscv: mm: Define DIRECT_MAP_PHYSMEM_END
2026-06-06 23:48:15 -06:00
probes.h
riscv: Add kprobes supported
2021-01-14 15:09:06 -08:00
processor.h
riscv: fix various typos in comments and code
2026-04-04 18:42:39 -06:00
ptrace.h
riscv: Replace __ASSEMBLY__ with __ASSEMBLER__ in non-uapi headers
2025-09-16 16:25:30 -06:00
purgatory.h
riscv/purgatory: add asm/purgatory.h
2026-06-06 20:17:52 -06:00
runtime-const.h
riscv: make runtime const not usable by modules
2026-04-04 18:37:31 -06:00
sbi.h
riscv: Add SBI debug trigger extension and function ids
2025-12-19 00:22:30 -07:00
scs.h
riscv: Remove support for XIP kernel
2026-04-04 18:42:44 -06:00
seccomp.h
riscv: Enable seccomp architecture tracking
2020-11-20 11:16:35 -08:00
sections.h
riscv: Check if the code to patch lies in the exit section
2024-01-09 10:58:59 -08:00
semihost.h
riscv: Implement semihost.h for earlycon semihost driver
2023-01-19 14:58:19 +01:00
set_memory.h
riscv: Remove support for XIP kernel
2026-04-04 18:42:44 -06:00
signal32.h
riscv: compat: signal: Add rt_frame implementation
2022-05-17 16:37:21 -07:00
simd.h
riscv: vector: Fix a typo of preempt_v
2024-03-15 10:17:38 -07:00
smp.h
riscv: remove redundant check for CONFIG_SMP
2026-04-04 18:42:41 -06:00
soc.h
riscv: Fix builtin DTB handling
2021-01-07 19:00:50 -08:00
sparsemem.h
RISC-V: Don't have MAX_PHYSMEM_BITS exceed phys_addr_t
2024-09-20 01:32:39 -07:00
spinlock.h
riscv: qspinlock: Fixup _Q_PENDING_LOOPS definition
2025-01-08 10:46:01 -08:00
stackprotector.h
stackprotector: actually use get_random_canary()
2022-11-18 02:18:10 +01:00
stacktrace.h
riscv: declare overflow_stack as exported from traps.c
2024-02-07 09:55:27 -08:00
string.h
riscv: lib: add strrchr() implementation
2026-04-04 18:42:44 -06:00
suspend.h
riscv: Add stimecmp save and restore
2025-03-18 12:59:03 +00:00
swab.h
riscv: introduce asm/swab.h
2025-09-18 08:20:25 -06:00
switch_to.h
riscv: vector: Support xtheadvector save/restore
2025-01-18 12:33:33 -08:00
sync_core.h
membarrier: riscv: Provide core serializing command
2024-02-15 08:04:14 -08:00
syscall_table.h
riscv: convert to generic syscall table
2024-07-10 14:23:38 +02:00
syscall_wrapper.h
Disable -Wattribute-alias for clang-23 and newer
2026-05-28 06:51:30 -07:00
syscall.h
riscv: fix minor typo in syscall.h comment
2026-01-25 21:08:59 -07:00
text-patching.h
asm-generic: introduce text-patching.h
2024-11-07 14:25:15 -08:00
thread_info.h
riscv: fix various typos in comments and code
2026-04-04 18:42:39 -06:00
timex.h
init: consolidate prototypes in linux/init.h
2023-06-09 17:44:16 -07:00
tlb.h
mm: pgtable: introduce generic __tlb_remove_table()
2025-01-25 20:22:23 -08:00
tlbbatch.h
riscv: Add support for BATCHED_UNMAP_TLB_FLUSH
2024-01-11 08:01:53 -08:00
tlbflush.h
mm: remove arch_flush_tlb_batched_pending() arch helper
2025-07-24 19:12:32 -07:00
topology.h
arch, mm: move definition of node_data to generic code
2024-09-03 21:15:28 -07:00
trace.h
riscv: Add tracepoints for SBI calls and returns
2024-07-10 13:23:09 -07:00
uaccess.h
riscv: kvm: Use endian-specific __lelong for NACL shared memory
2026-06-14 11:09:41 +05:30
unistd.h
riscv: convert to generic syscall table
2024-07-10 14:23:38 +02:00
uprobes.h
asm-generic: introduce text-patching.h
2024-11-07 14:25:15 -08:00
usercfi.h
riscv: cfi: reject unknown flags in PR_SET_CFI
2026-06-06 20:17:05 -06:00
vdso.h
riscv: vdso: Always declare vdso_start symbols
2026-06-07 01:43:24 -06:00
vector.h
riscv: signal: abstract header saving for setup_sigcontext
2025-12-19 00:18:33 -07:00
vendor_extensions.h
riscv: cpufeature: Extract common elements from extension checking
2024-07-22 15:36:57 -07:00
vendorid_list.h
riscv: Update MIPS vendor id to 0x127
2025-11-15 15:27:02 -07:00
vermagic.h
…
vmalloc.h
riscv: Add license to vmalloc.h
2024-09-03 07:18:34 -07:00
word-at-a-time.h
kernel.h: removed REPEAT_BYTE from kernel.h
2024-02-01 09:47:59 -08:00