linux for powerpc (32-bit and 64-bit) · Supported

Maintainers

• M Madhavan Srinivasan <maddy@linux.ibm.com>
• M Michael Ellerman <mpe@ellerman.id.au>
• R Nicholas Piggin <npiggin@gmail.com>
• R Christophe Leroy <chleroy@kernel.org>

Paths

• F Documentation/ABI/stable/sysfs-firmware-opal-*
• F Documentation/devicetree/bindings/i2c/i2c-opal.txt
• F Documentation/devicetree/bindings/powerpc/
• F Documentation/devicetree/bindings/rtc/rtc-opal.txt
• F Documentation/arch/powerpc/
• F arch/powerpc/
• F drivers/*/*/*pasemi*
• F drivers/*/*pasemi*
• F drivers/char/tpm/tpm_ibmvtpm*
• F drivers/crypto/nx/
• F drivers/i2c/busses/i2c-opal.c
• F drivers/net/ethernet/ibm/ibmveth.*
• F drivers/net/ethernet/ibm/ibmvnic.*
• F drivers/pci/hotplug/pnv_php.c
• F drivers/pci/hotplug/rpa*
• F drivers/rtc/rtc-opal.c
• F drivers/scsi/ibmvscsi/
• F drivers/tty/hvc/hvc_opal.c
• F drivers/watchdog/wdrtas.c
• F include/linux/papr_scm.h
• F include/uapi/linux/papr_pdsm.h
• F tools/testing/selftests/powerpc

Last 30 days

Most active threads (last 7 days)

• [PATCH] unwind: Add sframe_(un)register() system calls
  2026-05-21 22:35 · 0 replies in 7d · Steven Rostedt <rostedt@kernel.org>
• [PATCH v5 0/6] powerpc/bpf: Add support for verifier selftest
  2026-05-19 19:38 · 3 replies in 7d · <hidden>
• [PATCH v4 0/5] powerpc/bpf: Add support for verifier selftest
  2026-05-17 17:41 · 2 replies in 7d · <hidden>

Active reviewers (last 30 days)

• Hari Bathini <hbathini@linux.ibm.com>
  2 attestations (2 Reported-by) · last on 2026-05-19
• <sashiko-bot@kernel.org>
  1 attestation (1 Reported-by) · last on 2026-05-19

Recent patches

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

• [PATCH] unwind: Add sframe_(un)register() system calls
  2026-05-21 · Steven Rostedt <rostedt@kernel.org>
• [PATCH v5 5/6] powerpc64/bpf: fix compare instruction emitted for tailcall
  2026-05-19 · <hidden>
• [PATCH v5 1/6] powerpc/bpf: fix alignment of long branch trampoline address
  2026-05-19 · <hidden>
• [PATCH v5 2/6] powerpc/bpf: Move out dummy_tramp_addr after Long branch stub
  2026-05-19 · <hidden>
• [PATCH v4 2/5] powerpc/bpf: Move out dummy_tramp_addr after Long branch stub
  2026-05-17 · <hidden>
• [PATCH v4 1/5] powerpc/bpf: fix alignment of long branch trampoline address
  2026-05-17 · <hidden>
• [PATCH bpf-next v3 15/24] bpf: Pass bpf_subprog_info to bpf_int_jit_compile()
  2026-05-11 · Yonghong Song <yonghong.song@linux.dev>
• [RFC PATCH v1 5/9] uaccess: Switch to copy_{to/from}_user_partial() when relevant
  2026-04-27 · "Christophe Leroy (CS GROUP)" <chleroy@kernel.org>
• [RFC PATCH v1 2/9] uaccess: Convert INLINE_COPY_{TO/FROM}_USER to kconfig and reduce ifdefery
  2026-04-27 · "Christophe Leroy (CS GROUP)" <chleroy@kernel.org>
• [PATCHv5 bpf-next 08/28] bpf: Add struct bpf_tramp_node object
  2026-04-17 · Jiri Olsa <jolsa@kernel.org>
• [PATCH bpf v15 2/5] bpf: Pass bpf_verifier_env to JIT
  2026-04-16 · Xu Kuohai <xukuohai@huaweicloud.com>
• [PATCH bpf v15 1/5] bpf: Move constants blinding out of arch-specific JITs
  2026-04-16 · Xu Kuohai <xukuohai@huaweicloud.com>
• [PATCH bpf-next v14 2/5] bpf: Pass bpf_verifier_env to JIT
  2026-04-13 · Xu Kuohai <xukuohai@huaweicloud.com>
• [PATCH bpf-next v14 1/5] bpf: Move constants blinding out of arch-specific JITs
  2026-04-13 · Xu Kuohai <xukuohai@huaweicloud.com>
• [PATCH v3 2/5] powerpc/bpf: Move out dummy_tramp_addr after Long branch stub
  2026-04-11 · <hidden>
• [PATCH v3 1/5] powerpc/bpf: fix alignment of long branch trampoline address
  2026-04-11 · <hidden>
• [PATCH bpf-next v13 2/5] bpf: Pass bpf_verifier_env to JIT
  2026-04-11 · Xu Kuohai <xukuohai@huaweicloud.com>
• [PATCH bpf-next v13 1/5] bpf: Move constants blinding out of arch-specific JITs
  2026-04-11 · Xu Kuohai <xukuohai@huaweicloud.com>
• [PATCH] powerpc32/bpf: fix loading fsession func metadata using PPC_LI32
  2026-04-08 · <hidden>
• [PATCH bpf-next v12 2/5] bpf: Pass bpf_verifier_env to JIT
  2026-04-03 · Xu Kuohai <xukuohai@huaweicloud.com>
• [PATCH bpf-next v12 1/5] bpf: Move constants blinding out of arch-specific JITs
  2026-04-03 · Xu Kuohai <xukuohai@huaweicloud.com>
• [PATCH v3] powerpc64/bpf: Add powerpc64 JIT support for timed may_goto
  2026-04-03 · Saket Kumar Bhaskar <hidden>
• [PATCH bpf-next v11 2/5] bpf: Pass bpf_verifier_env to JIT
  2026-04-03 · Xu Kuohai <xukuohai@huaweicloud.com>
• [PATCH bpf-next v11 1/5] bpf: Move constants blinding out of arch-specific JITs
  2026-04-03 · Xu Kuohai <xukuohai@huaweicloud.com>
• [PATCH v2 2/5] powerpc/bpf: Move out dummy_tramp_addr after Long branch stub
  2026-04-02 · <hidden>
• [PATCH v2 1/5] powerpc/bpf: fix alignment of long branch trampoline address
  2026-04-02 · <hidden>
• [PATCH v2] powerpc64/bpf: Add powerpc64 JIT support for timed may_goto
  2026-04-02 · Saket Kumar Bhaskar <hidden>
• [PATCH] powerpc64/bpf: Add powerpc64 JIT support for timed may_goto
  2026-04-02 · Saket Kumar Bhaskar <hidden>
• [PATCH v3 3/4] powerpc64/bpf: Add support for indirect jump
  2026-04-01 · <hidden>
• [PATCH v3 1/4] powerpc/bpf: Add support for instruction array
  2026-04-01 · <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.

• [PATCH bpf-next v9 2/5] bpf: Pass bpf_verifier_env to JIT
  2026-03-12 · Xu Kuohai <xukuohai@huaweicloud.com> · 1 Reviewed-by
• [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
• [PATCH v3 1/2] powerpc64/bpf: Implement fsession support
  2026-04-01 · <hidden> · 1 Tested-by
• [PATCH bpf-next v12 2/5] bpf: Pass bpf_verifier_env to JIT
  2026-04-03 · Xu Kuohai <xukuohai@huaweicloud.com> · 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.

• [PATCH v4 20/72] arch: hookup listns() system call
  2025-10-29 · Christian Brauner <brauner@kernel.org>
• [PATCH v3 23/50] convert spufs
  2025-11-11 · Al Viro <viro@zeniv.linux.org.uk>
• [PATCH v4 23/54] convert spufs
  2025-11-18 · Al Viro <viro@zeniv.linux.org.uk>
• [PATCH bpf-next v3 5/6] bpf: specify the old and new poke_type for bpf_arch_text_poke
  2025-11-18 · Menglong Dong <hidden>
• [PATCH][v2] watchdog: softlockup: panic when lockup duration exceeds N thresholds
  2025-12-18 · lirongqing <hidden>
• [PATCH 1/6] powerpc64/bpf: Support tailcalls with subprogs
  2026-01-05 · <hidden>
• [PATCH 4/6] powerpc64/bpf: Add arch_bpf_stack_walk() for BPF JIT
  2026-01-05 · <hidden>
• [PATCH 3/6] powerpc/bpf: use BPF_PPC_STACK_SAVE to spill trampoline NVRs
  2026-01-05 · <hidden>
• [PATCH 6/6] powerpc64/bpf: Additional NVR handling for bpf_throw
  2026-01-05 · <hidden>
• [PATCH v3 2/6] powerpc64/bpf: Support tailcalls with subprogs
  2026-01-22 · <hidden>