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{
    "id": 2217486,
    "url": "http://patchwork.ozlabs.org/api/patches/2217486/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260329160254.2592207-5-mkchauras@gmail.com/",
    "project": {
        "id": 2,
        "url": "http://patchwork.ozlabs.org/api/projects/2/?format=api",
        "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/",
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    "msgid": "<20260329160254.2592207-5-mkchauras@gmail.com>",
    "list_archive_url": "https://lore.kernel.org/linuxppc-dev/20260329160254.2592207-5-mkchauras@gmail.com/",
    "date": "2026-03-29T16:02:54",
    "name": "[V7,4/4] powerpc: Enable Rust for ppc64le",
    "commit_ref": null,
    "pull_url": null,
    "state": "changes-requested",
    "archived": false,
    "hash": "02708c7c39018663cac037376bc28bf806ad39b9",
    "submitter": {
        "id": 92575,
        "url": "http://patchwork.ozlabs.org/api/people/92575/?format=api",
        "name": "Mukesh Kumar Chaurasiya",
        "email": "mkchauras@gmail.com"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260329160254.2592207-5-mkchauras@gmail.com/mbox/",
    "series": [
        {
            "id": 497928,
            "url": "http://patchwork.ozlabs.org/api/series/497928/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=497928",
            "date": "2026-03-29T16:02:50",
            "name": "Rust support for powerpc",
            "version": 7,
            "mbox": "http://patchwork.ozlabs.org/series/497928/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/2217486/comments/",
    "check": "success",
    "checks": "http://patchwork.ozlabs.org/api/patches/2217486/checks/",
    "tags": {},
    "related": [],
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        "From": "\"Mukesh Kumar Chaurasiya (IBM)\" <mkchauras@gmail.com>",
        "To": "maddy@linux.ibm.com,\n\tmpe@ellerman.id.au,\n\tnpiggin@gmail.com,\n\tchleroy@kernel.org,\n\tpeterz@infradead.org,\n\tjpoimboe@kernel.org,\n\tjbaron@akamai.com,\n\taliceryhl@google.com,\n\trostedt@goodmis.org,\n\tardb@kernel.org,\n\tojeda@kernel.org,\n\tboqun@kernel.org,\n\tgary@garyguo.net,\n\tbjorn3_gh@protonmail.com,\n\tlossin@kernel.org,\n\ta.hindborg@kernel.org,\n\ttmgross@umich.edu,\n\tdakr@kernel.org,\n\tlinuxppc-dev@lists.ozlabs.org,\n\tlinux-kernel@vger.kernel.org,\n\trust-for-linux@vger.kernel.org",
        "Cc": "\"Mukesh Kumar Chaurasiya (IBM)\" <mkchauras@gmail.com>,\n\tLink Mauve <linkmauve@linkmauve.fr>,\n\tVenkat Rao Bagalkote <venkat88@linux.ibm.com>",
        "Subject": "[PATCH V7 4/4] powerpc: Enable Rust for ppc64le",
        "Date": "Sun, 29 Mar 2026 21:32:54 +0530",
        "Message-ID": "<20260329160254.2592207-5-mkchauras@gmail.com>",
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    },
    "content": "Enabling rust support for ppc64le only.\n\nTested on powernv9:\n\n$ uname -rm\n6.19.0-rc8+ ppc64le\n\n$ sudo modprobe rust_minimal\n[  632.890850] rust_minimal: Rust minimal sample (init)\n[  632.890881] rust_minimal: Am I built-in? false\n[  632.890898] rust_minimal: test_parameter: 1\n\n$ sudo rmmod rust_minimal\n[  648.272832] rust_minimal: My numbers are [72, 108, 200]\n[  648.272873] rust_minimal: Rust minimal sample (exit)\n\n$ sudo modprobe rust_print\n[  843.410391] rust_print: Rust printing macros sample (init)\n[  843.410424] rust_print: Emergency message (level 0) without args\n[  843.410451] rust_print: Alert message (level 1) without args\n[  843.410477] rust_print: Critical message (level 2) without args\n[  843.410503] rust_print: Error message (level 3) without args\n[  843.410530] rust_print: Warning message (level 4) without args\n[  843.410557] rust_print: Notice message (level 5) without args\n[  843.410594] rust_print: Info message (level 6) without args\n[  843.410617] rust_print: A line that is continued without args\n[  843.410646] rust_print: Emergency message (level 0) with args\n[  843.410675] rust_print: Alert message (level 1) with args\n[  843.410691] rust_print: Critical message (level 2) with args\n[  843.410727] rust_print: Error message (level 3) with args\n[  843.410761] rust_print: Warning message (level 4) with args\n[  843.410796] rust_print: Notice message (level 5) with args\n[  843.410821] rust_print: Info message (level 6) with args\n[  843.410854] rust_print: A line that is continued with args\n[  843.410892] rust_print: 1\n[  843.410895] rust_print: \"hello, world\"\n[  843.410924] rust_print: [samples/rust/rust_print_main.rs:35:5] c = \"hello, world\"\n[  843.410977] rust_print: Arc<dyn Display> says 42\n[  843.410979] rust_print: Arc<dyn Display> says hello, world\n\n$ sudo rmmod rust_print\n[  843.411003] rust_print: \"hello, world\"\n[  888.499935] rust_print: Rust printing macros sample (exit)\n\nReviewed-by: Link Mauve <linkmauve@linkmauve.fr>\nTested-by: Link Mauve <linkmauve@linkmauve.fr>\nReviewed-by: Christophe Leroy (CS GROUP) <chleroy@kernel.org>\nTested-by: Venkat Rao Bagalkote <venkat88@linux.ibm.com>\nSigned-off-by: Mukesh Kumar Chaurasiya (IBM) <mkchauras@gmail.com>\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 7ea7570e3f17..7fe4cbbd176e 100644\n--- a/rust/Makefile\n+++ b/rust/Makefile\n@@ -410,7 +410,13 @@ 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": [
        "V7",
        "4/4"
    ]
}