risc-v architecture · Supported

Maintainers

• M Paul Walmsley <pjw@kernel.org>
• M Palmer Dabbelt <palmer@dabbelt.com>
• M Albert Ou <aou@eecs.berkeley.edu>
• R Alexandre Ghiti <alex@ghiti.fr>

Paths

• F arch/riscv/

Last 30 days

Most active threads (last 7 days)

• WARM3d [PATCH v5 0/8] futex: Use runtime constants for futex_hash computation
  2026-07-10 07:52 · 1 reply in 7d · K Prateek Nayak <kprateek.nayak@amd.com>
• HOTtoday [PATCH 7.1.y 0/6] cBPF JIT spray hardening
  2026-07-09 22:23 · 1 reply in 7d · Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
• COOLING4d [PATCH v4 0/7] irqchip/ACPI: Arm GICv5 IWB ACPI IRQ probe deferral
  2026-07-09 08:41 · 1 reply in 7d · Lorenzo Pieralisi <lpieralisi@kernel.org>
• HOTtoday [PATCH 00/18] Another attempt at HVO support on arm64
  2026-07-08 03:12 · 2 replies in 7d · James Houghton <hidden>

Active reviewers (last 30 days)

• Clément Léger <hidden>
  6 attestations (6 Reviewed-by) · last on 2026-07-01
• Charlie Jenkins <hidden>
  5 attestations (2 Reviewed-by, 1 Suggested-by, 2 Tested-by) · last on 2026-07-10
• Sunil V L <hidden>
  2 attestations (2 Tested-by) · last on 2026-07-09
• Daniel Borkmann <daniel@iogearbox.net>
  1 attestation (1 Acked-by) · last on 2026-07-09
• Nina Schoetterl-Glausch <hidden>
  1 attestation (1 Suggested-by) · last on 2026-07-06
• Samuel Holland <samuel.holland@sifive.com>
  1 attestation (1 Suggested-by) · last on 2026-06-30
• Guo Ren <guoren@kernel.org>
  1 attestation (1 Suggested-by) · last on 2026-06-30

Recent patches

Most-recent 30 patches in this subsystem on linux-arm-kernel (capped at 30), ordered by date desc.

• WARM3d REVIEWED: 2 (0M) Re: [PATCH v5 5/8] riscv/runtime-const: Introduce runtime_const_mask_32()
  2026-07-10 · Charlie Jenkins <hidden>
• HOTtoday REVIEWED: 7 (7M) [PATCH 7.1.y 3/6] bpf: Restrict JIT predictor flush to cBPF
  2026-07-09 · Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
• COOLING4d REVIEWED: 1 (0M) [PATCH v4 5/7] ACPI: irq: Move RISC-V interrupt controllers autodep to ACPI IRQ code
  2026-07-09 · Lorenzo Pieralisi <lpieralisi@kernel.org>
• HOTtoday [PATCH 11/18] hugetlb_vmemmap: Use try_populate_vmemmap_pmd for replacing in-use PMDs
  2026-07-08 · James Houghton <hidden>
• HOTtoday [PATCH 04/18] hugetlb_vmemmap: Use try_update_vmemmap_pte to update in-use PTEs
  2026-07-08 · James Houghton <hidden>
• HOTtoday [PATCH v4 05/27] KVM: Remove KVM_MMIO as config option
  2026-07-06 · Steffen Eiden <seiden@linux.ibm.com>
• COOLING7d REVIEWED: 1 (0M) [PATCH v3 5/7] ACPI: irq: Move RISC-V interrupt controllers autodep to ACPI IRQ code
  2026-07-01 · Lorenzo Pieralisi <lpieralisi@kernel.org>
• COOLING6d [PATCH v8 18/22] RISC-V: perf: Add Qemu virt machine events
  2026-07-01 · Atish Patra <atish.patra@linux.dev>
• COOLING6d [PATCH v8 14/22] RISC-V: perf: Implement supervisor counter delegation support
  2026-07-01 · Atish Patra <atish.patra@linux.dev>
• COOLING6d [PATCH v8 09/22] RISC-V: Add Ssccfg/Smcdeleg ISA extension definition and parsing
  2026-07-01 · Atish Patra <atish.patra@linux.dev>
• COOLING6d REVIEWED: 1 (0M) [PATCH v8 08/22] RISC-V: Add Sscfg extension CSR definition
  2026-07-01 · Atish Patra <atish.patra@linux.dev>
• COOLING6d REVIEWED: 1 (0M) [PATCH v8 06/22] RISC-V: Add Smcntrpmf extension parsing
  2026-07-01 · Atish Patra <atish.patra@linux.dev>
• COOLING6d [PATCH v8 05/22] RISC-V: Define indirect CSR access helpers
  2026-07-01 · Atish Patra <atish.patra@linux.dev>
• COOLING6d REVIEWED: 1 (0M) [PATCH v8 02/22] RISC-V: Add Sxcsrind ISA extension CSR definitions
  2026-07-01 · Atish Patra <atish.patra@linux.dev>
• COOLING6d [PATCH v8 03/22] RISC-V: Add Sxcsrind ISA extension definition and parsing
  2026-07-01 · Atish Patra <atish.patra@linux.dev>
• COOLING13d [PATCH v4 09/10] riscv: kdump: exclude non-dumpable reserved memory regions from vmcore
  2026-06-30 · Wandun Chen <hidden>
• COOLING6d [PATCH net-next v9 6/6] riscv: dts: eswin: eic7700-hifive-premier-p550: enable Ethernet controller
  2026-06-30 · <hidden>
• WARM3d [PATCH v5 5/8] riscv/runtime-const: Introduce runtime_const_mask_32()
  2026-06-30 · K Prateek Nayak <kprateek.nayak@amd.com>
• WARM3d REVIEWED: 2 (0M) [PATCH v5 4/8] riscv/runtime-const: Replace open-coded placeholder with RUNTIME_MAGIC
  2026-06-30 · K Prateek Nayak <kprateek.nayak@amd.com>
• COLD21d [PATCH v7 18/22] RISC-V: perf: Add Qemu virt machine events
  2026-06-22 · Atish Patra <atish.patra@linux.dev>
• COLD21d [PATCH v7 14/22] RISC-V: perf: Implement supervisor counter delegation support
  2026-06-22 · Atish Patra <atish.patra@linux.dev>
• COLD21d REVIEWED: 1 (0M) [PATCH v7 08/22] RISC-V: Add Sscfg extension CSR definition
  2026-06-22 · Atish Patra <atish.patra@linux.dev>
• COLD21d [PATCH v7 09/22] RISC-V: Add Ssccfg/Smcdeleg ISA extension definition and parsing
  2026-06-22 · Atish Patra <atish.patra@linux.dev>
• COLD21d REVIEWED: 1 (0M) [PATCH v7 06/22] RISC-V: Add Smcntrpmf extension parsing
  2026-06-22 · Atish Patra <atish.patra@linux.dev>
• COLD21d [PATCH v7 05/22] RISC-V: Define indirect CSR access helpers
  2026-06-22 · Atish Patra <atish.patra@linux.dev>
• COLD21d [PATCH v7 03/22] RISC-V: Add Sxcsrind ISA extension definition and parsing
  2026-06-22 · Atish Patra <atish.patra@linux.dev>
• COLD21d REVIEWED: 1 (0M) [PATCH v7 02/22] RISC-V: Add Sxcsrind ISA extension CSR definitions
  2026-06-22 · Atish Patra <atish.patra@linux.dev>
• COLD19d [PATCH v2 1/4] cpu/hotplug: Introduce CONFIG_PARALLEL_SMT_PRIMARY_FIRST
  2026-06-18 · Jinjie Ruan <hidden>
• DORMANTno replies Re: [PATCH] arm64: tlb: Flush walk cache when unsharing PMD tables
  2026-06-15 · "David Hildenbrand (Arm)" <david@kernel.org>
• COLD19d [PATCH RFC 1/3] cpu/hotplug: Introduce CONFIG_PARALLEL_SMT_PRIMARY_FIRST
  2026-06-11 · Jinjie Ruan <hidden>

Needs attention (review trailers in, no pickup)

Patches with review trailers that haven't landed in mainline and haven't been Acked by a maintainer. Oldest first.

• STALE112d REVIEWED: 1 (0M) [PATCH bpf-next v9 2/5] bpf: Pass bpf_verifier_env to JIT
  2026-03-12 · Xu Kuohai <xukuohai@huaweicloud.com> · 1 Reviewed-by
• STALE112d REVIEWED: 1 (0M) [PATCH bpf-next v9 1/5] bpf: Move constants blinding out of arch-specific JITs
  2026-03-12 · Xu Kuohai <xukuohai@huaweicloud.com> · 1 Reviewed-by
• STALE95d REVIEWED: 1 (0M) [PATCH bpf-next v12 2/5] bpf: Pass bpf_verifier_env to JIT
  2026-04-03 · Xu Kuohai <xukuohai@huaweicloud.com> · 1 Reviewed-by
• COLD19d REVIEWED: 1 (0M) [PATCH v6 01/21] RISC-V: Add Sxcsrind ISA extension CSR definitions
  2026-06-09 · Atish Patra <atish.patra@linux.dev> · 1 Reviewed-by
• COLD21d REVIEWED: 1 (0M) [PATCH v7 02/22] RISC-V: Add Sxcsrind ISA extension CSR definitions
  2026-06-22 · Atish Patra <atish.patra@linux.dev> · 1 Reviewed-by

Quiet for 30+ days

Patches with no review trailers and no replies. Either the author is heads-down elsewhere or these slipped through. Oldest first.

• STALE180d [PATCH 14/36] lib/crypto: riscv/aes: Migrate optimized code into library
  2026-01-05 · Eric Biggers <ebiggers@kernel.org>
• STALE180d [PATCH 35/36] lib/crypto: aes: Drop "_new" suffix from en/decryption functions
  2026-01-05 · Eric Biggers <ebiggers@kernel.org>
• STALE132d [PATCH 07/12] mm: add rest_of_page() macro
  2026-02-19 · Yury Norov <hidden>
• STALE118d [PATCH v5 10/15] arch/riscv: don't initialize kasan if it's disabled
  2026-02-25 · Baoquan He <hidden>
• STALE130d [PATCH bpf-next v5 2/5] bpf: Pass bpf_verifier_env to jit
  2026-03-02 · Xu Kuohai <xukuohai@huaweicloud.com>
• STALE132d Re: [PATCH net-next v5 0/3] riscv: spacemit: Add ethernet support for K3
  2026-03-03 · Inochi Amaoto <inochiama@gmail.com>
• STALE126d [bpf-next v7 2/5] bpf: Pass bpf_verifier_env to JIT
  2026-03-07 · Xu Kuohai <xukuohai@huaweicloud.com>
• STALE116d [PATCH net-next v4 3/3] riscv: dts: eswin: eic7700-hifive-premier-p550: enable Ethernet controller
  2026-03-13 · <hidden>
• STALE118d [RFC PATCH v2 4/7] riscv/runtime-const: Introduce runtime_const_mask_32()
  2026-03-16 · K Prateek Nayak <kprateek.nayak@amd.com>
• STALE111d LANDED [PATCH 12/19] lib/crypto: riscv/ghash: Migrate optimized code into library
  2026-03-19 · Eric Biggers <ebiggers@kernel.org>