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Fri, 03 Apr 2026 07:53:23 -0700 (PDT) Received: from li-1a3e774c-28e4-11b2-a85c-acc9f2883e29.ibm.com.com ([106.51.160.44]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-82cf9ca4efesm6301682b3a.61.2026.04.03.07.53.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 03 Apr 2026 07:53:22 -0700 (PDT) From: "Mukesh Kumar Chaurasiya (IBM)" To: maddy@linux.ibm.com, mpe@ellerman.id.au, npiggin@gmail.com, chleroy@kernel.org, peterz@infradead.org, jpoimboe@kernel.org, jbaron@akamai.com, aliceryhl@google.com, rostedt@goodmis.org, ardb@kernel.org, ojeda@kernel.org, boqun@kernel.org, gary@garyguo.net, bjorn3_gh@protonmail.com, lossin@kernel.org, a.hindborg@kernel.org, tmgross@umich.edu, dakr@kernel.org, nathan@kernel.org, nick.desaulniers+lkml@gmail.com, morbo@google.com, justinstitt@google.com, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, rust-for-linux@vger.kernel.org, llvm@lists.linux.dev Cc: "Mukesh Kumar Chaurasiya (IBM)" Subject: [PATCH V8 0/4] Rust support for powerpc Date: Fri, 3 Apr 2026 20:23:04 +0530 Message-ID: <20260403145308.1042622-1-mkchauras@gmail.com> X-Mailer: git-send-email 2.53.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Enable experimental rust support for ppc64le and ppc32be. The patch for ppc32 has been provided by Link Mauve[1] and ppc64le support[2] has been merged over it. ppc32 needs some toolchain fixes mentioned in the patch `rust: Add PowerPC support` and the discussion for that is done here[1]. This has been tested on - powernv9 hardware - pseries P11 hardware - pseries(9, 10) qemu - powernv(9, 10) qemu - rustdoc on x86 and powerpc64le - rusttest on x86 and powerpc64le We are actively working with our LLVM team to get the target for ppc, ppc64 and ppc64le in the rust compiler. [1] https://lore.kernel.org/all/20260204030507.8203-1-linkmauve@linkmauve.fr [2] https://lore.kernel.org/all/20260204042417.83903-1-mkchauras@gmail.com Changelog: V7 -> V8: - rust/Makefile updated to separate host libraries from target V7: https://lore.kernel.org/all/20260329160254.2592207-1-mkchauras@gmail.com/ Changelog: V6 -> V7: - Documentation removed as powerpc is still under development - Added a fix for race condition in rust/Makefile V6: https://lore.kernel.org/all/20260210090023.2587534-1-mkchauras@gmail.com V5 -> V6: - Added a missing Tested by from Venkat which got missed since V3 - Support is marked as Maintained instead of experimental V5: https://lore.kernel.org/all/20260210053756.2088302-1-mkchauras@gmail.com V4 -> V5: - Removed a nested ifdef from PPC64 for Little endian toolchain V4: https://lore.kernel.org/all/20260209105456.1551677-1-mkchauras@gmail.com V3 -> V4: - Co-developed-by header added in patch 1 V3: https://lore.kernel.org/all/20260205180429.3280657-1-mkchauras@gmail.com V2 -> V3: - Splited HAVE_RUST in 2 lines - BINDGEN_TARGET_powerpc initialized before assigning the same to BINDGEN_TARGET V2: https://lore.kernel.org/all/20260204210125.613350-1-mkchauras@gmail.com V1 -> V2: - jump label fix for rust has been moved to a separate patch - PPC32 support has been taken - rust support has been marked experimental - target.json dependency has been removed - HAVE_RUST now depends on CPU_LITTLE_ENDIAN for PPC64 Link Mauve (1): rust: Add PowerPC support Mukesh Kumar Chaurasiya (IBM) (3): rust: Fix "multiple candidates for rmeta dependency core" error powerpc/jump_label: adjust inline asm to be consistent powerpc: Enable Rust for ppc64le arch/powerpc/Kconfig | 2 + arch/powerpc/Makefile | 7 +++ arch/powerpc/include/asm/jump_label.h | 23 +++++---- rust/Makefile | 73 ++++++++++++++++++--------- 4 files changed, 71 insertions(+), 34 deletions(-) -- 2.53.0