{"id":2219790,"url":"http://patchwork.ozlabs.org/api/patches/2219790/?format=json","web_url":"http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260404121610.1956528-5-mkchauras@gmail.com/","project":{"id":2,"url":"http://patchwork.ozlabs.org/api/projects/2/?format=json","name":"Linux PPC development","link_name":"linuxppc-dev","list_id":"linuxppc-dev.lists.ozlabs.org","list_email":"linuxppc-dev@lists.ozlabs.org","web_url":"https://github.com/linuxppc/wiki/wiki","scm_url":"https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git","webscm_url":"https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/","list_archive_url":"https://lore.kernel.org/linuxppc-dev/","list_archive_url_format":"https://lore.kernel.org/linuxppc-dev/{}/","commit_url_format":"https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?id={}"},"msgid":"<20260404121610.1956528-5-mkchauras@gmail.com>","list_archive_url":"https://lore.kernel.org/linuxppc-dev/20260404121610.1956528-5-mkchauras@gmail.com/","date":"2026-04-04T12:16:10","name":"[V9,4/4] powerpc: Enable Rust for ppc64le","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"02708c7c39018663cac037376bc28bf806ad39b9","submitter":{"id":92575,"url":"http://patchwork.ozlabs.org/api/people/92575/?format=json","name":"Mukesh Kumar Chaurasiya (IBM)","email":"mkchauras@gmail.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260404121610.1956528-5-mkchauras@gmail.com/mbox/","series":[{"id":498722,"url":"http://patchwork.ozlabs.org/api/series/498722/?format=json","web_url":"http://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=498722","date":"2026-04-04T12:16:06","name":"Rust support for powerpc","version":9,"mbox":"http://patchwork.ozlabs.org/series/498722/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2219790/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2219790/checks/","tags":{},"related":[],"headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linuxppc-dev@lists.ozlabs.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=EL2cWirU;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org\n (client-ip=2404:9400:21b9:f100::1; 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charset=UTF-8","Content-Transfer-Encoding":"8bit","X-Spam-Status":"No, score=-0.2 required=3.0 tests=DKIM_SIGNED,DKIM_VALID,\n\tDKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM,RCVD_IN_DNSWL_NONE,\n\tSPF_HELO_NONE,SPF_PASS autolearn=disabled version=4.0.1 OzLabs 8","X-Spam-Checker-Version":"SpamAssassin 4.0.1 (2024-03-25) on lists.ozlabs.org"},"content":"Enabling rust support for ppc64le.\n\nTested on pseries Power11:\n╰─❯ dmesg | grep rust\n[ 0.225728] Initialise system trusted keyrings\n[ 0.270961] rust_minimal: Rust minimal sample (init)\n[ 0.270968] rust_minimal: Am I built-in? true\n[ 0.270974] rust_minimal: test_parameter: 1\n[ 0.270983] rust_misc_device: Initialising Rust Misc Device Sample\n[ 0.271012] rust_print: Rust printing macros sample (init)\n[ 0.271019] rust_print: Emergency message (level 0) without args\n[ 0.271023] rust_print: Alert message (level 1) without args\n[ 0.271026] rust_print: Critical message (level 2) without args\n[ 0.271030] rust_print: Error message (level 3) without args\n[ 0.271033] rust_print: Warning message (level 4) without args\n[ 0.271037] rust_print: Notice message (level 5) without args\n[ 0.271040] rust_print: Info message (level 6) without args\n[ 0.271043] rust_print: A line that is continued without args\n[ 0.271054] rust_print: Emergency message (level 0) with args\n[ 0.271064] rust_print: Alert message (level 1) with args\n[ 0.271072] rust_print: Critical message (level 2) with args\n[ 0.271077] rust_print: Error message (level 3) with args\n[ 0.271083] rust_print: Warning message (level 4) with args\n[ 0.271091] rust_print: Notice message (level 5) with args\n[ 0.271097] rust_print: Info message (level 6) with args\n[ 0.271102] rust_print: A line that is continued with args\n[ 0.271110] rust_print: 1\n[ 0.271113] rust_print: \"hello, world\"\n[ 0.271121] rust_print: [samples/rust/rust_print_main.rs:35:5] c = \"hello, world\"\n[ 0.271129] rust_print: Arc says 42\n[ 0.271130] rust_print: Arc says hello, world\n[ 0.271136] rust_print: \"hello, world\"\n[ 0.271198] usbcore: registered new interface driver rust_driver_usb\n[ 0.271207] rust_faux_driver: Initialising Rust Faux Device Sample\n[ 0.271227] faux_driver rust-faux-sample-device: Hello from faux device!\n[ 0.271297] rust_configfs: Rust configfs sample (init)\n\nReviewed-by: Link Mauve \nTested-by: Link Mauve \nReviewed-by: Christophe Leroy (CS GROUP) \nTested-by: Venkat Rao Bagalkote \nLink: https://github.com/Rust-for-Linux/linux/issues/105\nLink: https://github.com/linuxppc/issues/issues/451\nSigned-off-by: Mukesh Kumar Chaurasiya (IBM) \n---\n arch/powerpc/Kconfig | 1 +\n arch/powerpc/Makefile | 7 ++++++-\n rust/Makefile | 6 ++++++\n 3 files changed, 13 insertions(+), 1 deletion(-)","diff":"diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig\nindex 1246b3add8ff..a5f50434daf3 100644\n--- a/arch/powerpc/Kconfig\n+++ b/arch/powerpc/Kconfig\n@@ -285,6 +285,7 @@ config PPC\n \tselect HAVE_RELIABLE_STACKTRACE\n \tselect HAVE_RSEQ\n \tselect HAVE_RUST\t\t\tif PPC32\n+\tselect HAVE_RUST\t\t\tif PPC64 && CPU_LITTLE_ENDIAN\n \tselect HAVE_SAMPLE_FTRACE_DIRECT\tif HAVE_DYNAMIC_FTRACE_WITH_DIRECT_CALLS\n \tselect HAVE_SAMPLE_FTRACE_DIRECT_MULTI\tif HAVE_DYNAMIC_FTRACE_WITH_DIRECT_CALLS\n \tselect HAVE_SETUP_PER_CPU_AREA\t\tif PPC64\ndiff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile\nindex 589613eaa5dc..9385db478c59 100644\n--- a/arch/powerpc/Makefile\n+++ b/arch/powerpc/Makefile\n@@ -61,7 +61,12 @@ else\n KBUILD_LDFLAGS_MODULE += $(objtree)/arch/powerpc/lib/crtsavres.o\n endif\n \n-KBUILD_RUSTFLAGS \t+= --target=powerpc-unknown-linux-gnu\n+ifdef CONFIG_PPC64\n+KBUILD_RUSTFLAGS\t+= --target=powerpc64le-unknown-linux-gnu\n+KBUILD_RUSTFLAGS\t+= -Ctarget-feature=-mma,-vsx,-hard-float,-altivec\n+else\n+KBUILD_RUSTFLAGS\t+= --target=powerpc-unknown-linux-gnu\n+endif\n \n ifdef CONFIG_CPU_LITTLE_ENDIAN\n KBUILD_CPPFLAGS\t+= -mlittle-endian\ndiff --git a/rust/Makefile b/rust/Makefile\nindex 04d8a849c6e4..92c1f6fe69e9 100644\n--- a/rust/Makefile\n+++ b/rust/Makefile\n@@ -418,7 +418,13 @@ BINDGEN_TARGET_x86\t:= x86_64-linux-gnu\n BINDGEN_TARGET_arm64\t:= aarch64-linux-gnu\n BINDGEN_TARGET_arm\t:= arm-linux-gnueabi\n BINDGEN_TARGET_loongarch\t:= loongarch64-linux-gnusf\n+\n+ifdef CONFIG_PPC64\n+BINDGEN_TARGET_powerpc\t:= powerpc64le-linux-gnu\n+else\n BINDGEN_TARGET_powerpc\t:= powerpc-linux-gnu\n+endif\n+\n BINDGEN_TARGET_um\t:= $(BINDGEN_TARGET_$(SUBARCH))\n BINDGEN_TARGET\t\t:= $(BINDGEN_TARGET_$(SRCARCH))\n \n","prefixes":["V9","4/4"]}