[{"id":3674711,"web_url":"http://patchwork.ozlabs.org/comment/3674711/","msgid":"","date":"2026-04-08T09:46:26","subject":"Re: [PATCH V10 0/4] Rust support for powerpc","submitter":{"id":81627,"url":"http://patchwork.ozlabs.org/api/people/81627/","name":"Link Mauve","email":"linkmauve@linkmauve.fr"},"content":"Hi,\n\nOn Tue, Apr 07, 2026 at 01:31:45AM +0530, Mukesh Kumar Chaurasiya (IBM) wrote:\n> Enable experimental rust support for ppc64le and ppc32be. The patch for\n> ppc32 has been provided by Link Mauve[1] and ppc64le support[2] has been\n> merged over it. ppc32 needs some toolchain fixes mentioned in the patch\n> `rust: Add PowerPC support` and the discussion for that is done here[1].\n> \n> This has been tested on\n> - powernv9 hardware\n> - pseries P11 hardware\n> - pseries(9, 10) qemu\n> - powernv(9, 10) qemu\n> - rustdoc on x86 and powerpc64le\n> - rusttest on x86 and powerpc64le\n\nI just tested your series for the Wii, so targeting powerpc (32, be),\nand got this error:\n```\nerror[E0463]: can't find crate for `pin_init_internal`\n --> ../rust/pin-init/src/lib.rs:365:11\n |\n365 | pub use ::pin_init_internal::pin_data;\n | ^^^^^^^^^^^^^^^^^ can't find crate\n\nerror: aborting due to 1 previous error\n\nFor more information about this error, try `rustc --explain E0463`.\n```\n\nI didn’t get this error in a previous version of your series, would you\nwant me to bisect them?\n\nThanks for your continuous work on it anyway!\n\n> \n> We are actively working with our LLVM team to get the target for ppc,\n> ppc64 and ppc64le in the rust compiler.\n> \n> \n> [1] https://lore.kernel.org/all/20260204030507.8203-1-linkmauve@linkmauve.fr\n> [2] https://lore.kernel.org/all/20260204042417.83903-1-mkchauras@gmail.com\n> \n> Changelog:\n> V9 -> V10:\n> - rust/Makefile updated with review comments from Miguel\n> - Patch 1/4 updated with commit message and subject\n> V9: https://lore.kernel.org/all/20260404121610.1956528-1-mkchauras@gmail.com/\n> \n> V8 -> V9:\n> - rust/Makefile updated with a directory instead of abspath\n> V8: https://lore.kernel.org/all/20260403145308.1042622-1-mkchauras@gmail.com/\n> \n> V7 -> V8:\n> - rust/Makefile updated to separate host libraries from target\n> V7: https://lore.kernel.org/all/20260329160254.2592207-1-mkchauras@gmail.com/\n> \n> Changelog:\n> V6 -> V7:\n> - Documentation removed as powerpc is still under development\n> - Added a fix for race condition in rust/Makefile\n> V6: https://lore.kernel.org/all/20260210090023.2587534-1-mkchauras@gmail.com\n> \n> V5 -> V6:\n> - Added a missing Tested by from Venkat which got missed since V3\n> - Support is marked as Maintained instead of experimental\n> V5: https://lore.kernel.org/all/20260210053756.2088302-1-mkchauras@gmail.com\n> \n> V4 -> V5:\n> - Removed a nested ifdef from PPC64 for Little endian toolchain\n> V4: https://lore.kernel.org/all/20260209105456.1551677-1-mkchauras@gmail.com\n> \n> V3 -> V4:\n> - Co-developed-by header added in patch 1\n> V3: https://lore.kernel.org/all/20260205180429.3280657-1-mkchauras@gmail.com\n> \n> V2 -> V3:\n> - Splited HAVE_RUST in 2 lines\n> - BINDGEN_TARGET_powerpc initialized before assigning the same to\n> BINDGEN_TARGET\n> V2: https://lore.kernel.org/all/20260204210125.613350-1-mkchauras@gmail.com\n> \n> V1 -> V2:\n> - jump label fix for rust has been moved to a separate patch\n> - PPC32 support has been taken\n> - rust support has been marked experimental\n> - target.json dependency has been removed\n> - HAVE_RUST now depends on CPU_LITTLE_ENDIAN for PPC64\n> \n> Link Mauve (1):\n> rust: Add PowerPC support\n> \n> Mukesh Kumar Chaurasiya (IBM) (3):\n> rust: Fix \"multiple candidates for rmeta dependency core\" error\n> powerpc/jump_label: adjust inline asm to be consistent\n> powerpc: Enable Rust for ppc64le\n> \n> arch/powerpc/Kconfig | 2 +\n> arch/powerpc/Makefile | 7 +++\n> arch/powerpc/include/asm/jump_label.h | 23 ++++++----\n> rust/Makefile | 66 ++++++++++++++++-----------\n> 4 files changed, 61 insertions(+), 37 deletions(-)\n> \n> -- \n> 2.53.0\n> \n>","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 spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org\n (client-ip=2404:9400:21b9:f100::1; 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lists.ozlabs.org;\n dmarc=none (p=none dis=none) header.from=linkmauve.fr;\n spf=pass (client-ip=82.65.109.163; helo=luna.linkmauve.fr;\n envelope-from=linkmauve@linkmauve.fr;\n receiver=lists.ozlabs.org) smtp.mailfrom=linkmauve.fr","Date":"Wed, 8 Apr 2026 11:46:26 +0200","From":"Link Mauve ","To":"\"Mukesh Kumar Chaurasiya (IBM)\" ","Cc":"maddy@linux.ibm.com, mpe@ellerman.id.au, npiggin@gmail.com,\n\tchleroy@kernel.org, peterz@infradead.org, jpoimboe@kernel.org,\n\tjbaron@akamai.com, aliceryhl@google.com, rostedt@goodmis.org,\n\tardb@kernel.org, ojeda@kernel.org, boqun@kernel.org,\n\tgary@garyguo.net, bjorn3_gh@protonmail.com, lossin@kernel.org,\n\ta.hindborg@kernel.org, tmgross@umich.edu, dakr@kernel.org,\n\tnathan@kernel.org, nick.desaulniers+lkml@gmail.com,\n\tmorbo@google.com, justinstitt@google.com,\n\tlinuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org,\n\trust-for-linux@vger.kernel.org, llvm@lists.linux.dev","Subject":"Re: [PATCH V10 0/4] Rust support for powerpc","Message-ID":"","References":"<20260406200149.3727922-1-mkchauras@gmail.com>","X-Mailing-List":"linuxppc-dev@lists.ozlabs.org","List-Id":"","List-Help":"","List-Owner":"","List-Post":"","List-Archive":",\n ","List-Subscribe":",\n ,\n ","List-Unsubscribe":"","Precedence":"list","MIME-Version":"1.0","Content-Type":"text/plain; charset=utf-8","Content-Disposition":"inline","Content-Transfer-Encoding":"8bit","In-Reply-To":"<20260406200149.3727922-1-mkchauras@gmail.com>","Jabber-ID":"linkmauve@linkmauve.fr","X-Spam-Flag":"YES","X-Spam-Status":"Yes, score=3.9 required=3.0 tests=RCVD_IN_PBL,RDNS_DYNAMIC,\n\tSPF_HELO_NONE,SPF_PASS autolearn=disabled version=4.0.1 OzLabs 8","X-Spam-Report":"\n\t* 3.6 RCVD_IN_PBL RBL: Received via a relay in Spamhaus PBL\n\t* [82.65.109.163 listed in zen.spamhaus.org]\n\t* -0.0 SPF_PASS SPF: sender matches SPF record\n\t* 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record\n\t* 0.4 RDNS_DYNAMIC Delivered to internal network by host with\n\t* dynamic-looking rDNS","X-Spam-Level":"***","X-Spam-Checker-Version":"SpamAssassin 4.0.1 (2024-03-25) on lists.ozlabs.org"}},{"id":3674712,"web_url":"http://patchwork.ozlabs.org/comment/3674712/","msgid":"","date":"2026-04-08T09:51:40","subject":"Re: [PATCH V10 0/4] Rust support for powerpc [RESEND]","submitter":{"id":81627,"url":"http://patchwork.ozlabs.org/api/people/81627/","name":"Link Mauve","email":"linkmauve@linkmauve.fr"},"content":"Hi,\n\n(This email is a resent, my IP address got flagged by spamhaus again\nbecause I’m on a residential range, hopefully this incident is\nresolved…)\n\nOn Tue, Apr 07, 2026 at 01:31:45AM +0530, Mukesh Kumar Chaurasiya (IBM) wrote:\n> Enable experimental rust support for ppc64le and ppc32be. The patch for\n> ppc32 has been provided by Link Mauve[1] and ppc64le support[2] has been\n> merged over it. ppc32 needs some toolchain fixes mentioned in the patch\n> `rust: Add PowerPC support` and the discussion for that is done here[1].\n> \n> This has been tested on\n> - powernv9 hardware\n> - pseries P11 hardware\n> - pseries(9, 10) qemu\n> - powernv(9, 10) qemu\n> - rustdoc on x86 and powerpc64le\n> - rusttest on x86 and powerpc64le\n\nI just tested your series for the Wii, so targeting powerpc (32, be),\nand got this error:\n```\nerror[E0463]: can't find crate for `pin_init_internal`\n --> ../rust/pin-init/src/lib.rs:365:11\n |\n365 | pub use ::pin_init_internal::pin_data;\n | ^^^^^^^^^^^^^^^^^ can't find crate\n\nerror: aborting due to 1 previous error\n\nFor more information about this error, try `rustc --explain E0463`.\n```\n\nI didn’t get this error in a previous version of your series, would you\nwant me to bisect them?\n\nThanks for your continuous work on it anyway!\n\n> \n> We are actively working with our LLVM team to get the target for ppc,\n> ppc64 and ppc64le in the rust compiler.\n> \n> \n> [1] https://lore.kernel.org/all/20260204030507.8203-1-linkmauve@linkmauve.fr\n> [2] https://lore.kernel.org/all/20260204042417.83903-1-mkchauras@gmail.com\n> \n> Changelog:\n> V9 -> V10:\n> - rust/Makefile updated with review comments from Miguel\n> - Patch 1/4 updated with commit message and subject\n> V9: https://lore.kernel.org/all/20260404121610.1956528-1-mkchauras@gmail.com/\n> \n> V8 -> V9:\n> - rust/Makefile updated with a directory instead of abspath\n> V8: https://lore.kernel.org/all/20260403145308.1042622-1-mkchauras@gmail.com/\n> \n> V7 -> V8:\n> - rust/Makefile updated to separate host libraries from target\n> V7: https://lore.kernel.org/all/20260329160254.2592207-1-mkchauras@gmail.com/\n> \n> Changelog:\n> V6 -> V7:\n> - Documentation removed as powerpc is still under development\n> - Added a fix for race condition in rust/Makefile\n> V6: https://lore.kernel.org/all/20260210090023.2587534-1-mkchauras@gmail.com\n> \n> V5 -> V6:\n> - Added a missing Tested by from Venkat which got missed since V3\n> - Support is marked as Maintained instead of experimental\n> V5: https://lore.kernel.org/all/20260210053756.2088302-1-mkchauras@gmail.com\n> \n> V4 -> V5:\n> - Removed a nested ifdef from PPC64 for Little endian toolchain\n> V4: https://lore.kernel.org/all/20260209105456.1551677-1-mkchauras@gmail.com\n> \n> V3 -> V4:\n> - Co-developed-by header added in patch 1\n> V3: https://lore.kernel.org/all/20260205180429.3280657-1-mkchauras@gmail.com\n> \n> V2 -> V3:\n> - Splited HAVE_RUST in 2 lines\n> - BINDGEN_TARGET_powerpc initialized before assigning the same to\n> BINDGEN_TARGET\n> V2: https://lore.kernel.org/all/20260204210125.613350-1-mkchauras@gmail.com\n> \n> V1 -> V2:\n> - jump label fix for rust has been moved to a separate patch\n> - PPC32 support has been taken\n> - rust support has been marked experimental\n> - target.json dependency has been removed\n> - HAVE_RUST now depends on CPU_LITTLE_ENDIAN for PPC64\n> \n> Link Mauve (1):\n> rust: Add PowerPC support\n> \n> Mukesh Kumar Chaurasiya (IBM) (3):\n> rust: Fix \"multiple candidates for rmeta dependency core\" error\n> powerpc/jump_label: adjust inline asm to be consistent\n> powerpc: Enable Rust for ppc64le\n> \n> arch/powerpc/Kconfig | 2 +\n> arch/powerpc/Makefile | 7 +++\n> arch/powerpc/include/asm/jump_label.h | 23 ++++++----\n> rust/Makefile | 66 ++++++++++++++++-----------\n> 4 files changed, 61 insertions(+), 37 deletions(-)\n> \n> -- \n> 2.53.0\n> \n>","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 spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org\n (client-ip=2404:9400:21b9:f100::1; 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lists.ozlabs.org;\n dmarc=none (p=none dis=none) header.from=linkmauve.fr;\n spf=pass (client-ip=82.65.109.163; helo=luna.linkmauve.fr;\n envelope-from=linkmauve@linkmauve.fr;\n receiver=lists.ozlabs.org) smtp.mailfrom=linkmauve.fr","Date":"Wed, 8 Apr 2026 11:51:40 +0200","From":"Link Mauve ","To":"\"Mukesh Kumar Chaurasiya (IBM)\" ","Cc":"maddy@linux.ibm.com, mpe@ellerman.id.au, npiggin@gmail.com,\n\tchleroy@kernel.org, peterz@infradead.org, jpoimboe@kernel.org,\n\tjbaron@akamai.com, aliceryhl@google.com, rostedt@goodmis.org,\n\tardb@kernel.org, ojeda@kernel.org, boqun@kernel.org,\n\tgary@garyguo.net, bjorn3_gh@protonmail.com, lossin@kernel.org,\n\ta.hindborg@kernel.org, tmgross@umich.edu, dakr@kernel.org,\n\tnathan@kernel.org, nick.desaulniers+lkml@gmail.com,\n\tmorbo@google.com, justinstitt@google.com,\n\tlinuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org,\n\trust-for-linux@vger.kernel.org, llvm@lists.linux.dev","Subject":"Re: [PATCH V10 0/4] Rust support for powerpc [RESEND]","Message-ID":"","References":"<20260406200149.3727922-1-mkchauras@gmail.com>","X-Mailing-List":"linuxppc-dev@lists.ozlabs.org","List-Id":"","List-Help":"","List-Owner":"","List-Post":"","List-Archive":",\n ","List-Subscribe":",\n ,\n ","List-Unsubscribe":"","Precedence":"list","MIME-Version":"1.0","Content-Type":"text/plain; charset=utf-8","Content-Disposition":"inline","Content-Transfer-Encoding":"8bit","In-Reply-To":"<20260406200149.3727922-1-mkchauras@gmail.com>","Jabber-ID":"linkmauve@linkmauve.fr","X-Spam-Flag":"YES","X-Spam-Status":"Yes, score=3.9 required=3.0 tests=RCVD_IN_PBL,RDNS_DYNAMIC,\n\tSPF_HELO_NONE,SPF_PASS autolearn=disabled version=4.0.1 OzLabs 8","X-Spam-Report":"\n\t* 3.6 RCVD_IN_PBL RBL: Received via a relay in Spamhaus PBL\n\t* [82.65.109.163 listed in zen.spamhaus.org]\n\t* -0.0 SPF_PASS SPF: sender matches SPF record\n\t* 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record\n\t* 0.4 RDNS_DYNAMIC Delivered to internal network by host with\n\t* dynamic-looking rDNS","X-Spam-Level":"***","X-Spam-Checker-Version":"SpamAssassin 4.0.1 (2024-03-25) on lists.ozlabs.org"}},{"id":3674722,"web_url":"http://patchwork.ozlabs.org/comment/3674722/","msgid":"","date":"2026-04-08T11:53:39","subject":"Re: [PATCH V10 0/4] Rust support for powerpc [RESEND]","submitter":{"id":92575,"url":"http://patchwork.ozlabs.org/api/people/92575/","name":"Mukesh Kumar Chaurasiya","email":"mkchauras@gmail.com"},"content":"On Wed, Apr 08, 2026 at 11:51:40AM +0200, Link Mauve wrote:\n> Hi,\n> \n> (This email is a resent, my IP address got flagged by spamhaus again\n> because I’m on a residential range, hopefully this incident is\n> resolved…)\n> \n> On Tue, Apr 07, 2026 at 01:31:45AM +0530, Mukesh Kumar Chaurasiya (IBM) wrote:\n> > Enable experimental rust support for ppc64le and ppc32be. The patch for\n> > ppc32 has been provided by Link Mauve[1] and ppc64le support[2] has been\n> > merged over it. ppc32 needs some toolchain fixes mentioned in the patch\n> > `rust: Add PowerPC support` and the discussion for that is done here[1].\n> > \n> > This has been tested on\n> > - powernv9 hardware\n> > - pseries P11 hardware\n> > - pseries(9, 10) qemu\n> > - powernv(9, 10) qemu\n> > - rustdoc on x86 and powerpc64le\n> > - rusttest on x86 and powerpc64le\n> \n> I just tested your series for the Wii, so targeting powerpc (32, be),\n> and got this error:\n> ```\n> error[E0463]: can't find crate for `pin_init_internal`\n> --> ../rust/pin-init/src/lib.rs:365:11\n> |\n> 365 | pub use ::pin_init_internal::pin_data;\n> | ^^^^^^^^^^^^^^^^^ can't find crate\n> \n> error: aborting due to 1 previous error\n> \n> For more information about this error, try `rustc --explain E0463`.\n> ```\n> \n> I didn’t get this error in a previous version of your series, would you\n> want me to bisect them?\n> \n> Thanks for your continuous work on it anyway!\n> \n\nHey Link,\n\nThanks for testing this.\n\nCan you give me the command generated via make with V=1\ne.g. `make LLVM=1 V=1`\n\nRegards,\nMukesh\n\n> > \n> > We are actively working with our LLVM team to get the target for ppc,\n> > ppc64 and ppc64le in the rust compiler.\n> > \n> > \n> > [1] https://lore.kernel.org/all/20260204030507.8203-1-linkmauve@linkmauve.fr\n> > [2] https://lore.kernel.org/all/20260204042417.83903-1-mkchauras@gmail.com\n> > \n> > Changelog:\n> > V9 -> V10:\n> > - rust/Makefile updated with review comments from Miguel\n> > - Patch 1/4 updated with commit message and subject\n> > V9: https://lore.kernel.org/all/20260404121610.1956528-1-mkchauras@gmail.com/\n> > \n> > V8 -> V9:\n> > - rust/Makefile updated with a directory instead of abspath\n> > V8: https://lore.kernel.org/all/20260403145308.1042622-1-mkchauras@gmail.com/\n> > \n> > V7 -> V8:\n> > - rust/Makefile updated to separate host libraries from target\n> > V7: https://lore.kernel.org/all/20260329160254.2592207-1-mkchauras@gmail.com/\n> > \n> > Changelog:\n> > V6 -> V7:\n> > - Documentation removed as powerpc is still under development\n> > - Added a fix for race condition in rust/Makefile\n> > V6: https://lore.kernel.org/all/20260210090023.2587534-1-mkchauras@gmail.com\n> > \n> > V5 -> V6:\n> > - Added a missing Tested by from Venkat which got missed since V3\n> > - Support is marked as Maintained instead of experimental\n> > V5: https://lore.kernel.org/all/20260210053756.2088302-1-mkchauras@gmail.com\n> > \n> > V4 -> V5:\n> > - Removed a nested ifdef from PPC64 for Little endian toolchain\n> > V4: https://lore.kernel.org/all/20260209105456.1551677-1-mkchauras@gmail.com\n> > \n> > V3 -> V4:\n> > - Co-developed-by header added in patch 1\n> > V3: https://lore.kernel.org/all/20260205180429.3280657-1-mkchauras@gmail.com\n> > \n> > V2 -> V3:\n> > - Splited HAVE_RUST in 2 lines\n> > - BINDGEN_TARGET_powerpc initialized before assigning the same to\n> > BINDGEN_TARGET\n> > V2: https://lore.kernel.org/all/20260204210125.613350-1-mkchauras@gmail.com\n> > \n> > V1 -> V2:\n> > - jump label fix for rust has been moved to a separate patch\n> > - PPC32 support has been taken\n> > - rust support has been marked experimental\n> > - target.json dependency has been removed\n> > - HAVE_RUST now depends on CPU_LITTLE_ENDIAN for PPC64\n> > \n> > Link Mauve (1):\n> > rust: Add PowerPC support\n> > \n> > Mukesh Kumar Chaurasiya (IBM) (3):\n> > rust: Fix \"multiple candidates for rmeta dependency core\" error\n> > powerpc/jump_label: adjust inline asm to be consistent\n> > powerpc: Enable Rust for ppc64le\n> > \n> > arch/powerpc/Kconfig | 2 +\n> > arch/powerpc/Makefile | 7 +++\n> > arch/powerpc/include/asm/jump_label.h | 23 ++++++----\n> > rust/Makefile | 66 ++++++++++++++++-----------\n> > 4 files changed, 61 insertions(+), 37 deletions(-)\n> > \n> > -- \n> > 2.53.0\n> > \n> > \n> \n> -- \n> Link Mauve\n>","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=HTsRpsKb;\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-Disposition":"inline","Content-Transfer-Encoding":"8bit","In-Reply-To":"","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"}},{"id":3674762,"web_url":"http://patchwork.ozlabs.org/comment/3674762/","msgid":"","date":"2026-04-08T13:19:57","subject":"Re: [PATCH V10 0/4] Rust support for powerpc [RESEND]","submitter":{"id":81627,"url":"http://patchwork.ozlabs.org/api/people/81627/","name":"Link Mauve","email":"linkmauve@linkmauve.fr"},"content":"On Wed, Apr 08, 2026 at 05:23:39PM +0530, Mukesh Kumar Chaurasiya wrote:\n> On Wed, Apr 08, 2026 at 11:51:40AM +0200, Link Mauve wrote:\n> > Hi,\n> > \n> > (This email is a resent, my IP address got flagged by spamhaus again\n> > because I’m on a residential range, hopefully this incident is\n> > resolved…)\n> > \n> > On Tue, Apr 07, 2026 at 01:31:45AM +0530, Mukesh Kumar Chaurasiya (IBM) wrote:\n> > > Enable experimental rust support for ppc64le and ppc32be. The patch for\n> > > ppc32 has been provided by Link Mauve[1] and ppc64le support[2] has been\n> > > merged over it. ppc32 needs some toolchain fixes mentioned in the patch\n> > > `rust: Add PowerPC support` and the discussion for that is done here[1].\n> > > \n> > > This has been tested on\n> > > - powernv9 hardware\n> > > - pseries P11 hardware\n> > > - pseries(9, 10) qemu\n> > > - powernv(9, 10) qemu\n> > > - rustdoc on x86 and powerpc64le\n> > > - rusttest on x86 and powerpc64le\n> > \n> > I just tested your series for the Wii, so targeting powerpc (32, be),\n> > and got this error:\n> > ```\n> > error[E0463]: can't find crate for `pin_init_internal`\n> > --> ../rust/pin-init/src/lib.rs:365:11\n> > |\n> > 365 | pub use ::pin_init_internal::pin_data;\n> > | ^^^^^^^^^^^^^^^^^ can't find crate\n> > \n> > error: aborting due to 1 previous error\n> > \n> > For more information about this error, try `rustc --explain E0463`.\n> > ```\n> > \n> > I didn’t get this error in a previous version of your series, would you\n> > want me to bisect them?\n> > \n> > Thanks for your continuous work on it anyway!\n> > \n> \n> Hey Link,\n> \n> Thanks for testing this.\n> \n> Can you give me the command generated via make with V=1\n> e.g. `make LLVM=1 V=1`\n\nHere it is:\n```\n% make ARCH=powerpc CROSS_COMPILE=powerpc-linux-musl- O=wii W=1 V=1 -j1\nmake -C /home/linkmauve/dev/linux/wii \\\n-f /home/linkmauve/dev/linux/Makefile\nmake[1]: Entering directory '/home/linkmauve/dev/linux/wii'\nmake --no-print-directory -C /home/linkmauve/dev/linux/wii \\\n-f /home/linkmauve/dev/linux/Makefile\nln -fsn .. source\n# GEN Makefile\n { echo \"# Automatically generated by /home/linkmauve/dev/linux/Makefile: don't edit\"; echo \"export KBUILD_OUTPUT = /home/linkmauve/dev/linux/wii\"; echo \"include /home/linkmauve/dev/linux/Makefile\"; } > Makefile\ntest -e .gitignore || \\\n{ echo \"# this is build directory, ignore it\"; echo \"*\"; } > .gitignore\nmake -f ../scripts/Makefile.build obj=arch/powerpc/kernel/syscalls all\nmake -f ../scripts/Makefile.build obj=scripts/basic\nmake -f ../scripts/Makefile.build obj=scripts/dtc\nmake -f ../scripts/Makefile.build obj=scripts\nmake -f ../scripts/Makefile.build obj=scripts/gcc-plugins \\\nneed-builtin= \\\nneed-modorder= \\\n\nset -e; mkdir -p include/config/; trap \"rm -f include/config/.tmp_kernel.release\" EXIT; { ../scripts/setlocalversion ..; } > include/config/.tmp_kernel.release; if [ ! -r include/config/kernel.release ] || ! cmp -s include/config/kernel.release include/config/.tmp_kernel.release; then : ' UPD include/config/kernel.release'; mv -f include/config/.tmp_kernel.release include/config/kernel.release; fi\nmake -f ../scripts/Makefile.asm-headers obj=arch/powerpc/include/generated/uapi/asm \\\ngeneric=include/uapi/asm-generic\nmake -f ../scripts/Makefile.asm-headers obj=arch/powerpc/include/generated/asm \\\ngeneric=include/asm-generic\nset -e; mkdir -p include/generated/uapi/linux/; trap \"rm -f include/generated/uapi/linux/.tmp_version.h\" EXIT; { \tif [ 0 -gt 255 ]; then echo \\#define LINUX_VERSION_CODE 459007; else echo \\#define LINUX_VERSION_CODE 458752; fi; echo '#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + ((c) > 255 ? 255 : (c)))'; echo \\#define LINUX_VERSION_MAJOR 7; echo \\#define LINUX_VERSION_PATCHLEVEL 0; echo \\#define LINUX_VERSION_SUBLEVEL 0; } > include/generated/uapi/linux/.tmp_version.h; if [ ! -r include/generated/uapi/linux/version.h ] || ! cmp -s include/generated/uapi/linux/version.h include/generated/uapi/linux/.tmp_version.h; then : ' UPD include/generated/uapi/linux/version.h'; mv -f include/generated/uapi/linux/.tmp_version.h include/generated/uapi/linux/version.h; fi\nset -e; mkdir -p include/generated/; trap \"rm -f include/generated/.tmp_utsrelease.h\" EXIT; { \tif [ `echo -n \"7.0.0-rc7-wii+\" | wc -c ` -gt 64 ]; then echo '\"7.0.0-rc7-wii+\" exceeds 64 characters' >&2; exit 1; fi; echo \\#define UTS_RELEASE \\\"7.0.0-rc7-wii+\\\"; } > include/generated/.tmp_utsrelease.h; if [ ! -r include/generated/utsrelease.h ] || ! cmp -s include/generated/utsrelease.h include/generated/.tmp_utsrelease.h; then : ' UPD include/generated/utsrelease.h'; mv -f include/generated/.tmp_utsrelease.h include/generated/utsrelease.h; fi\nset -e; mkdir -p include/generated/; trap \"rm -f include/generated/.tmp_compile.h\" EXIT; { ../scripts/mkcompile_h \"ppc\" \"powerpc-linux-musl-gcc (GCC) 14.2.1 20250405\" \"powerpc-linux-musl-ld\"; } > include/generated/.tmp_compile.h; if [ ! -r include/generated/compile.h ] || ! cmp -s include/generated/compile.h include/generated/.tmp_compile.h; then : ' UPD include/generated/compile.h'; mv -f include/generated/.tmp_compile.h include/generated/compile.h; fi\n../scripts/remove-stale-files\nmake -f ../scripts/Makefile.build obj=scripts/mod\nset -e; mkdir -p scripts/mod/; trap \"rm -f scripts/mod/.tmp_devicetable-offsets.h\" EXIT; { \t echo \"#ifndef __DEVICETABLE_OFFSETS_H__\"; echo \"#define __DEVICETABLE_OFFSETS_H__\"; echo \"/*\"; echo \" * DO NOT MODIFY.\"; echo \" *\"; echo \" * This file was generated by Kbuild\"; echo \" */\"; echo \"\"; sed -ne \t's:^[[:space:]]*\\.ascii[[:space:]]*\"\\(.*\\)\".*:\\1:; /^->/{s:->#\\(.*\\):/* \\1 */:; s:^->\\([^ ]*\\) [\\$#]*\\([^ ]*\\) \\(.*\\):#define \\1 \\2 /* \\3 */:; s:->::; p;}' < scripts/mod/devicetable-offsets.s; echo \"\"; echo \"#endif\"; } > scripts/mod/.tmp_devicetable-offsets.h; if [ ! -r scripts/mod/devicetable-offsets.h ] || ! cmp -s scripts/mod/devicetable-offsets.h scripts/mod/.tmp_devicetable-offsets.h; then : ' UPD scripts/mod/devicetable-offsets.h'; mv -f scripts/mod/.tmp_devicetable-offsets.h scripts/mod/devicetable-offsets.h; fi\nmake -f ../scripts/Makefile.build obj=. prepare\nset -e; mkdir -p include/generated/; trap \"rm -f include/generated/.tmp_timeconst.h\" EXIT; { echo 1000 | bc -q ../kernel/time/timeconst.bc; } > include/generated/.tmp_timeconst.h; if [ ! -r include/generated/timeconst.h ] || ! cmp -s include/generated/timeconst.h include/generated/.tmp_timeconst.h; then : ' UPD include/generated/timeconst.h'; mv -f include/generated/.tmp_timeconst.h include/generated/timeconst.h; fi\nset -e; mkdir -p include/generated/; trap \"rm -f include/generated/.tmp_bounds.h\" EXIT; { \t echo \"#ifndef __LINUX_BOUNDS_H__\"; echo \"#define __LINUX_BOUNDS_H__\"; echo \"/*\"; echo \" * DO NOT MODIFY.\"; echo \" *\"; echo \" * This file was generated by Kbuild\"; echo \" */\"; echo \"\"; sed -ne \t's:^[[:space:]]*\\.ascii[[:space:]]*\"\\(.*\\)\".*:\\1:; /^->/{s:->#\\(.*\\):/* \\1 */:; s:^->\\([^ ]*\\) [\\$#]*\\([^ ]*\\) \\(.*\\):#define \\1 \\2 /* \\3 */:; s:->::; p;}' < kernel/bounds.s; echo \"\"; echo \"#endif\"; } > include/generated/.tmp_bounds.h; if [ ! -r include/generated/bounds.h ] || ! cmp -s include/generated/bounds.h include/generated/.tmp_bounds.h; then : ' UPD include/generated/bounds.h'; mv -f include/generated/.tmp_bounds.h include/generated/bounds.h; fi\nset -e; mkdir -p include/generated/; trap \"rm -f include/generated/.tmp_asm-offsets.h\" EXIT; { \t echo \"#ifndef __ASM_OFFSETS_H__\"; echo \"#define __ASM_OFFSETS_H__\"; echo \"/*\"; echo \" * DO NOT MODIFY.\"; echo \" *\"; echo \" * This file was generated by Kbuild\"; echo \" */\"; echo \"\"; sed -ne \t's:^[[:space:]]*\\.ascii[[:space:]]*\"\\(.*\\)\".*:\\1:; /^->/{s:->#\\(.*\\):/* \\1 */:; s:^->\\([^ ]*\\) [\\$#]*\\([^ ]*\\) \\(.*\\):#define \\1 \\2 /* \\3 */:; s:->::; p;}' < arch/powerpc/kernel/asm-offsets.s; echo \"\"; echo \"#endif\"; } > include/generated/.tmp_asm-offsets.h; if [ ! -r include/generated/asm-offsets.h ] || ! cmp -s include/generated/asm-offsets.h include/generated/.tmp_asm-offsets.h; then : ' UPD include/generated/asm-offsets.h'; mv -f include/generated/.tmp_asm-offsets.h include/generated/asm-offsets.h; fi\nset -e; mkdir -p include/generated/; trap \"rm -f include/generated/.tmp_rq-offsets.h\" EXIT; { \t echo \"#ifndef __RQ_OFFSETS_H__\"; echo \"#define __RQ_OFFSETS_H__\"; echo \"/*\"; echo \" * DO NOT MODIFY.\"; echo \" *\"; echo \" * This file was generated by Kbuild\"; echo \" */\"; echo \"\"; sed -ne \t's:^[[:space:]]*\\.ascii[[:space:]]*\"\\(.*\\)\".*:\\1:; /^->/{s:->#\\(.*\\):/* \\1 */:; s:^->\\([^ ]*\\) [\\$#]*\\([^ ]*\\) \\(.*\\):#define \\1 \\2 /* \\3 */:; s:->::; p;}' < kernel/sched/rq-offsets.s; echo \"\"; echo \"#endif\"; } > include/generated/.tmp_rq-offsets.h; if [ ! -r include/generated/rq-offsets.h ] || ! cmp -s include/generated/rq-offsets.h include/generated/.tmp_rq-offsets.h; then : ' UPD include/generated/rq-offsets.h'; mv -f include/generated/.tmp_rq-offsets.h include/generated/rq-offsets.h; fi\n# CALL ../scripts/checksyscalls.sh\n sh ../scripts/checksyscalls.sh powerpc-linux-musl-gcc -Wp,-MMD,./.missing-syscalls.d -nostdinc -I../arch/powerpc/include -I./arch/powerpc/include/generated -I../include -I./include -I../arch/powerpc/include/uapi -I./arch/powerpc/include/generated/uapi -I../include/uapi -I./include/generated/uapi -include ../include/linux/compiler-version.h -include ../include/linux/kconfig.h -include ../include/linux/compiler_types.h -D__KERNEL__ -mbig-endian -m32 -I ../arch/powerpc -fmacro-prefix-map=../= -Wundef -DKBUILD_EXTRA_WARN1 -std=gnu11 -fshort-wchar -funsigned-char -fno-common -fno-PIE -fno-strict-aliasing -msoft-float -ffixed-r2 -mmultiple -mno-readonly-in-sdata -mcpu=powerpc -mno-prefixed -mno-pcrel -mno-altivec -mno-vsx -mno-mma -fno-asynchronous-unwind-tables -mno-string -mbig-endian -fno-delete-null-pointer-checks -Os -fno-allow-store-data-races -fno-stack-protector -fomit-frame-pointer -ftrivial-auto-var-init=zero -fno-stack-clash-protection -fmin-function-alignment=4 -fstrict-flex-arrays=3 -fms-extensions -fno-strict-overflow -fno-stack-check -fconserve-stack -fno-builtin-wcslen -Wall -Wextra -Wundef -Werror=implicit-function-declaration -Werror=implicit-int -Werror=return-type -Werror=strict-prototypes -Wno-format-security -Wno-trigraphs -Wno-frame-address -Wno-address-of-packed-member -Wmissing-declarations -Wmissing-prototypes -Wframe-larger-than=1280 -Wno-main -Wno-type-limits -Wno-dangling-pointer -Wvla-larger-than=1 -Wno-pointer-sign -Wcast-function-type -Wno-array-bounds -Wno-stringop-overflow -Wno-alloc-size-larger-than -Wimplicit-fallthrough=5 -Werror=date-time -Werror=incompatible-pointer-types -Werror=designated-init -Wenum-conversion -Wunused -Wmissing-format-attribute -Wmissing-include-dirs -Wunused-const-variable -Wno-missing-field-initializers -Wno-shift-negative-value -Wno-maybe-uninitialized -Wno-sign-compare -Wno-unused-parameter -DGCC_PLUGINS -I../. -I. -DKBUILD_MODFILE='\"./missing-syscalls\"' -DKBUILD_BASENAME='\"missing_syscalls\"' -DKBUILD_MODNAME='\"missing_syscalls\"' -D__KBUILD_MODNAME=missing_syscalls\nmake -f ../scripts/Makefile.build obj=arch/powerpc/kernel/vdso include/generated/vdso32-offsets.h\nmkdir -p ./tools\nmake O=/home/linkmauve/dev/linux/wii subdir=tools -C ../tools/ objtool\nmkdir -p /home/linkmauve/dev/linux/wii/tools/objtool && make O=/home/linkmauve/dev/linux/wii subdir=tools/objtool --no-print-directory -C objtool\nmake -C /home/linkmauve/dev/linux/tools/build CFLAGS= LDFLAGS= /home/linkmauve/dev/linux/wii/tools/objtool/fixdep\nif [ ! -f /home/linkmauve/dev/linux/wii/tools/objtool/fixdep ]; then\t\t\t\t\t\t\\\n\tmake -f /home/linkmauve/dev/linux/tools/build/Makefile.build dir=. obj=fixdep HOSTCFLAGS=\"-Wall -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer -std=gnu11 -I ../scripts/include\";\t\\\n\trm -f /home/linkmauve/dev/linux/wii/tools/objtool/fixdep.o;\t\t\t\t\t\t\\\nfi\nmake -f /home/linkmauve/dev/linux/tools/build/Makefile.build dir=. obj=fixdep HOSTCFLAGS=\"-Wall -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer -std=gnu11 -I ../scripts/include\"\nmake -C /home/linkmauve/dev/linux/tools/lib/subcmd/ O=/home/linkmauve/dev/linux/wii/tools/objtool/libsubcmd \\\n\tDESTDIR=/home/linkmauve/dev/linux/wii/tools/objtool/libsubcmd prefix= subdir= \\\n\tCC=\"gcc\" LD=\"ld\" AR=\"ar\" EXTRA_CFLAGS=\"-std=gnu11 -fomit-frame-pointer -O2 -g -Werror -Wall -Wextra -Wmissing-prototypes -Wmissing-declarations -Wwrite-strings -Wno-implicit-fallthrough -Wno-sign-compare -Wno-unused-parameter -I/home/linkmauve/dev/linux/tools/include -I/home/linkmauve/dev/linux/tools/include/uapi -I/home/linkmauve/dev/linux/tools/arch/x86/include/uapi -I/home/linkmauve/dev/linux/tools/arch/powerpc/include -I/home/linkmauve/dev/linux/tools/objtool/include -I/home/linkmauve/dev/linux/tools/objtool/arch/powerpc/include -I/home/linkmauve/dev/linux/wii/tools/objtool/libsubcmd/include \" \\\n\t/home/linkmauve/dev/linux/wii/tools/objtool/libsubcmd/libsubcmd.a install_headers\nmake -C /home/linkmauve/dev/linux/tools/build CFLAGS= LDFLAGS= /home/linkmauve/dev/linux/wii/tools/objtool/libsubcmd/fixdep\nif [ ! -f /home/linkmauve/dev/linux/wii/tools/objtool/libsubcmd/fixdep ]; then\t\t\t\t\t\t\\\n\tmake -f /home/linkmauve/dev/linux/tools/build/Makefile.build dir=. obj=fixdep HOSTCFLAGS=\"-Wall -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer -std=gnu11 -I ../scripts/include\";\t\\\n\trm -f /home/linkmauve/dev/linux/wii/tools/objtool/libsubcmd/fixdep.o;\t\t\t\t\t\t\\\nfi\nmake -f /home/linkmauve/dev/linux/tools/build/Makefile.build dir=. obj=fixdep HOSTCFLAGS=\"-Wall -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer -std=gnu11 -I ../scripts/include\"\nmake[5]: 'install_headers' is up to date.\nsh ./sync-check.sh\nmake -f /home/linkmauve/dev/linux/tools/build/Makefile.build dir=. obj=objtool CC=\"gcc\" LD=\"ld\" AR=\"ar\" CFLAGS=\"-std=gnu11 -fomit-frame-pointer -O2 -g -Werror -Wall -Wextra -Wmissing-prototypes -Wmissing-declarations -Wwrite-strings -Wno-implicit-fallthrough -Wno-sign-compare -Wno-unused-parameter -I/home/linkmauve/dev/linux/tools/include -I/home/linkmauve/dev/linux/tools/include/uapi -I/home/linkmauve/dev/linux/tools/arch/x86/include/uapi -I/home/linkmauve/dev/linux/tools/arch/powerpc/include -I/home/linkmauve/dev/linux/tools/objtool/include -I/home/linkmauve/dev/linux/tools/objtool/arch/powerpc/include -I/home/linkmauve/dev/linux/wii/tools/objtool/libsubcmd/include \" \\\n\tLDFLAGS=\"/home/linkmauve/dev/linux/wii/tools/objtool/libsubcmd/libsubcmd.a -lelf \"\nmake -f /home/linkmauve/dev/linux/tools/build/Makefile.build dir=./arch/powerpc obj=objtool\nsh ../scripts/rust_is_available.sh\nmake -f ../scripts/Makefile.build obj=rust\n# RUSTC L rust/pin_init.o\n OBJTREE=/home/linkmauve/dev/linux/wii rustc --edition=2021 -Zbinary_dep_depinfo=y -Astable_features -Aunused_features -Dnon_ascii_idents -Dunsafe_op_in_unsafe_fn -Wmissing_docs -Wrust_2018_idioms -Wunreachable_pub -Wclippy::all -Wclippy::as_ptr_cast_mut -Wclippy::as_underscore -Wclippy::cast_lossless -Wclippy::ignored_unit_patterns -Wclippy::mut_mut -Wclippy::needless_bitwise_bool -Aclippy::needless_lifetimes -Wclippy::no_mangle_with_rust_abi -Wclippy::ptr_as_ptr -Wclippy::ptr_cast_constness -Wclippy::ref_as_ptr -Wclippy::undocumented_unsafe_blocks -Wclippy::unnecessary_safety_comment -Wclippy::unnecessary_safety_doc -Wrustdoc::missing_crate_level_docs -Wrustdoc::unescaped_backticks -Cpanic=abort -Cembed-bitcode=n -Clto=n -Cforce-unwind-tables=n -Ccodegen-units=1 -Csymbol-mangling-version=v0 -Crelocation-model=static -Zfunction-sections=n -Wclippy::float_arithmetic --target=powerpc-unknown-linux-gnu -Copt-level=s -Cdebug-assertions=n -Coverflow-checks=y @./include/generated/rustc_cfg --extern pin_init_internal --extern macros --cfg='kernel' --emit=dep-info=rust/.pin_init.o.d --emit=obj=rust/pin_init.o --emit=metadata=rust/libpin_init.rmeta --crate-type rlib -L./rust --crate-name pin_init ../rust/pin-init/src/lib.rs --sysroot=/dev/null -Zunstable-options ; ./tools/objtool/objtool --static-call rust/pin_init.o\nerror[E0463]: can't find crate for `pin_init_internal`\n --> ../rust/pin-init/src/lib.rs:365:11\n |\n365 | pub use ::pin_init_internal::pin_data;\n | ^^^^^^^^^^^^^^^^^ can't find crate\n\nerror: aborting due to 1 previous error\n\nFor more information about this error, try `rustc --explain E0463`.\nmake[3]: *** [../rust/Makefile:681: rust/pin_init.o] Error 1\nmake[2]: *** [/home/linkmauve/dev/linux/Makefile:1343: prepare] Error 2\nmake[1]: *** [/home/linkmauve/dev/linux/Makefile:248: __sub-make] Error 2\nmake[1]: Leaving directory '/home/linkmauve/dev/linux/wii'\nmake: *** [Makefile:248: __sub-make] Error 2\nmake ARCH=powerpc CROSS_COMPILE=powerpc-linux-musl- O=wii W=1 V=1 -j1 1.15s user 0.56s system 100% cpu 1.695 total\n```\n\n> \n> Regards,\n> Mukesh\n> \n> > > \n> > > We are actively working with our LLVM team to get the target for ppc,\n> > > ppc64 and ppc64le in the rust compiler.\n> > > \n> > > \n> > > [1] https://lore.kernel.org/all/20260204030507.8203-1-linkmauve@linkmauve.fr\n> > > [2] https://lore.kernel.org/all/20260204042417.83903-1-mkchauras@gmail.com\n> > > \n> > > Changelog:\n> > > V9 -> V10:\n> > > - rust/Makefile updated with review comments from Miguel\n> > > - Patch 1/4 updated with commit message and subject\n> > > V9: https://lore.kernel.org/all/20260404121610.1956528-1-mkchauras@gmail.com/\n> > > \n> > > V8 -> V9:\n> > > - rust/Makefile updated with a directory instead of abspath\n> > > V8: https://lore.kernel.org/all/20260403145308.1042622-1-mkchauras@gmail.com/\n> > > \n> > > V7 -> V8:\n> > > - rust/Makefile updated to separate host libraries from target\n> > > V7: https://lore.kernel.org/all/20260329160254.2592207-1-mkchauras@gmail.com/\n> > > \n> > > Changelog:\n> > > V6 -> V7:\n> > > - Documentation removed as powerpc is still under development\n> > > - Added a fix for race condition in rust/Makefile\n> > > V6: https://lore.kernel.org/all/20260210090023.2587534-1-mkchauras@gmail.com\n> > > \n> > > V5 -> V6:\n> > > - Added a missing Tested by from Venkat which got missed since V3\n> > > - Support is marked as Maintained instead of experimental\n> > > V5: https://lore.kernel.org/all/20260210053756.2088302-1-mkchauras@gmail.com\n> > > \n> > > V4 -> V5:\n> > > - Removed a nested ifdef from PPC64 for Little endian toolchain\n> > > V4: https://lore.kernel.org/all/20260209105456.1551677-1-mkchauras@gmail.com\n> > > \n> > > V3 -> V4:\n> > > - Co-developed-by header added in patch 1\n> > > V3: https://lore.kernel.org/all/20260205180429.3280657-1-mkchauras@gmail.com\n> > > \n> > > V2 -> V3:\n> > > - Splited HAVE_RUST in 2 lines\n> > > - BINDGEN_TARGET_powerpc initialized before assigning the same to\n> > > BINDGEN_TARGET\n> > > V2: https://lore.kernel.org/all/20260204210125.613350-1-mkchauras@gmail.com\n> > > \n> > > V1 -> V2:\n> > > - jump label fix for rust has been moved to a separate patch\n> > > - PPC32 support has been taken\n> > > - rust support has been marked experimental\n> > > - target.json dependency has been removed\n> > > - HAVE_RUST now depends on CPU_LITTLE_ENDIAN for PPC64\n> > > \n> > > Link Mauve (1):\n> > > rust: Add PowerPC support\n> > > \n> > > Mukesh Kumar Chaurasiya (IBM) (3):\n> > > rust: Fix \"multiple candidates for rmeta dependency core\" error\n> > > powerpc/jump_label: adjust inline asm to be consistent\n> > > powerpc: Enable Rust for ppc64le\n> > > \n> > > arch/powerpc/Kconfig | 2 +\n> > > arch/powerpc/Makefile | 7 +++\n> > > arch/powerpc/include/asm/jump_label.h | 23 ++++++----\n> > > rust/Makefile | 66 ++++++++++++++++-----------\n> > > 4 files changed, 61 insertions(+), 37 deletions(-)\n> > > \n> > > -- \n> > > 2.53.0\n> > > \n> > > \n> > \n> > -- \n> > Link Mauve\n> >","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 spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org\n (client-ip=112.213.38.117; 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lists.ozlabs.org;\n dmarc=none (p=none dis=none) header.from=linkmauve.fr;\n spf=pass (client-ip=82.65.109.163; helo=luna.linkmauve.fr;\n envelope-from=linkmauve@linkmauve.fr;\n receiver=lists.ozlabs.org) smtp.mailfrom=linkmauve.fr","Date":"Wed, 8 Apr 2026 15:19:57 +0200","From":"Link Mauve ","To":"Mukesh Kumar Chaurasiya ","Cc":"Link Mauve , maddy@linux.ibm.com,\n\tmpe@ellerman.id.au, npiggin@gmail.com, chleroy@kernel.org,\n\tpeterz@infradead.org, jpoimboe@kernel.org, jbaron@akamai.com,\n\taliceryhl@google.com, rostedt@goodmis.org, ardb@kernel.org,\n\tojeda@kernel.org, boqun@kernel.org, gary@garyguo.net,\n\tbjorn3_gh@protonmail.com, lossin@kernel.org, a.hindborg@kernel.org,\n\ttmgross@umich.edu, dakr@kernel.org, nathan@kernel.org,\n\tnick.desaulniers+lkml@gmail.com, morbo@google.com,\n\tjustinstitt@google.com, linuxppc-dev@lists.ozlabs.org,\n\tlinux-kernel@vger.kernel.org, rust-for-linux@vger.kernel.org,\n\tllvm@lists.linux.dev","Subject":"Re: [PATCH V10 0/4] Rust support for powerpc [RESEND]","Message-ID":"","References":"<20260406200149.3727922-1-mkchauras@gmail.com>\n \n ","X-Mailing-List":"linuxppc-dev@lists.ozlabs.org","List-Id":"","List-Help":"","List-Owner":"","List-Post":"","List-Archive":",\n ","List-Subscribe":",\n ,\n ","List-Unsubscribe":"","Precedence":"list","MIME-Version":"1.0","Content-Type":"text/plain; charset=utf-8","Content-Disposition":"inline","Content-Transfer-Encoding":"quoted-printable","In-Reply-To":"\n ","Jabber-ID":"linkmauve@linkmauve.fr","X-Spam-Status":"No, score=0.4 required=3.0 tests=RDNS_DYNAMIC,SPF_HELO_NONE,\n\tSPF_PASS autolearn=disabled version=4.0.1 OzLabs 8","X-Spam-Checker-Version":"SpamAssassin 4.0.1 (2024-03-25) on lists.ozlabs.org"}},{"id":3674790,"web_url":"http://patchwork.ozlabs.org/comment/3674790/","msgid":"","date":"2026-04-08T14:00:23","subject":"Re: [PATCH V10 0/4] Rust support for powerpc [RESEND]","submitter":{"id":76823,"url":"http://patchwork.ozlabs.org/api/people/76823/","name":"Gary Guo","email":"gary@garyguo.net"},"content":"On Wed Apr 8, 2026 at 2:19 PM BST, Link Mauve wrote:\n> On Wed, Apr 08, 2026 at 05:23:39PM +0530, Mukesh Kumar Chaurasiya wrote:\n>> On Wed, Apr 08, 2026 at 11:51:40AM +0200, Link Mauve wrote:\n>> > Hi,\n>> > \n>> > (This email is a resent, my IP address got flagged by spamhaus again\n>> > because I’m on a residential range, hopefully this incident is\n>> > resolved…)\n>> > \n>> > On Tue, Apr 07, 2026 at 01:31:45AM +0530, Mukesh Kumar Chaurasiya (IBM) wrote:\n>> > > Enable experimental rust support for ppc64le and ppc32be. The patch for\n>> > > ppc32 has been provided by Link Mauve[1] and ppc64le support[2] has been\n>> > > merged over it. ppc32 needs some toolchain fixes mentioned in the patch\n>> > > `rust: Add PowerPC support` and the discussion for that is done here[1].\n>> > > \n>> > > This has been tested on\n>> > > - powernv9 hardware\n>> > > - pseries P11 hardware\n>> > > - pseries(9, 10) qemu\n>> > > - powernv(9, 10) qemu\n>> > > - rustdoc on x86 and powerpc64le\n>> > > - rusttest on x86 and powerpc64le\n>> > \n>> > I just tested your series for the Wii, so targeting powerpc (32, be),\n>> > and got this error:\n>> > ```\n>> > error[E0463]: can't find crate for `pin_init_internal`\n>> > --> ../rust/pin-init/src/lib.rs:365:11\n>> > |\n>> > 365 | pub use ::pin_init_internal::pin_data;\n>> > | ^^^^^^^^^^^^^^^^^ can't find crate\n>> > \n>> > error: aborting due to 1 previous error\n>> > \n>> > For more information about this error, try `rustc --explain E0463`.\n>> > ```\n>> > \n>> > I didn’t get this error in a previous version of your series, would you\n>> > want me to bisect them?\n>> > \n>> > Thanks for your continuous work on it anyway!\n>> > \n>> \n>> Hey Link,\n>> \n>> Thanks for testing this.\n>> \n>> Can you give me the command generated via make with V=1\n>> e.g. `make LLVM=1 V=1`\n>\n> Here it is:\n> ```\n> % make ARCH=powerpc CROSS_COMPILE=powerpc-linux-musl- O=wii W=1 V=1 -j1\n> make -C /home/linkmauve/dev/linux/wii \\\n> -f /home/linkmauve/dev/linux/Makefile\n> make[1]: Entering directory '/home/linkmauve/dev/linux/wii'\n> make --no-print-directory -C /home/linkmauve/dev/linux/wii \\\n> -f /home/linkmauve/dev/linux/Makefile\n> ln -fsn .. source\n> # GEN Makefile\n> { echo \"# Automatically generated by /home/linkmauve/dev/linux/Makefile: don't edit\"; echo \"export KBUILD_OUTPUT = /home/linkmauve/dev/linux/wii\"; echo \"include /home/linkmauve/dev/linux/Makefile\"; } > Makefile\n> test -e .gitignore || \\\n> { echo \"# this is build directory, ignore it\"; echo \"*\"; } > .gitignore\n> make -f ../scripts/Makefile.build obj=arch/powerpc/kernel/syscalls all\n> make -f ../scripts/Makefile.build obj=scripts/basic\n> make -f ../scripts/Makefile.build obj=scripts/dtc\n> make -f ../scripts/Makefile.build obj=scripts\n> make -f ../scripts/Makefile.build obj=scripts/gcc-plugins \\\n> need-builtin= \\\n> need-modorder= \\\n>\n> set -e; mkdir -p include/config/; trap \"rm -f include/config/.tmp_kernel.release\" EXIT; { ../scripts/setlocalversion ..; } > include/config/.tmp_kernel.release; if [ ! -r include/config/kernel.release ] || ! cmp -s include/config/kernel.release include/config/.tmp_kernel.release; then : ' UPD include/config/kernel.release'; mv -f include/config/.tmp_kernel.release include/config/kernel.release; fi\n> make -f ../scripts/Makefile.asm-headers obj=arch/powerpc/include/generated/uapi/asm \\\n> generic=include/uapi/asm-generic\n> make -f ../scripts/Makefile.asm-headers obj=arch/powerpc/include/generated/asm \\\n> generic=include/asm-generic\n> set -e; mkdir -p include/generated/uapi/linux/; trap \"rm -f include/generated/uapi/linux/.tmp_version.h\" EXIT; { \tif [ 0 -gt 255 ]; then echo \\#define LINUX_VERSION_CODE 459007; else echo \\#define LINUX_VERSION_CODE 458752; fi; echo '#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + ((c) > 255 ? 255 : (c)))'; echo \\#define LINUX_VERSION_MAJOR 7; echo \\#define LINUX_VERSION_PATCHLEVEL 0; echo \\#define LINUX_VERSION_SUBLEVEL 0; } > include/generated/uapi/linux/.tmp_version.h; if [ ! -r include/generated/uapi/linux/version.h ] || ! cmp -s include/generated/uapi/linux/version.h include/generated/uapi/linux/.tmp_version.h; then : ' UPD include/generated/uapi/linux/version.h'; mv -f include/generated/uapi/linux/.tmp_version.h include/generated/uapi/linux/version.h; fi\n> set -e; mkdir -p include/generated/; trap \"rm -f include/generated/.tmp_utsrelease.h\" EXIT; { \tif [ `echo -n \"7.0.0-rc7-wii+\" | wc -c ` -gt 64 ]; then echo '\"7.0.0-rc7-wii+\" exceeds 64 characters' >&2; exit 1; fi; echo \\#define UTS_RELEASE \\\"7.0.0-rc7-wii+\\\"; } > include/generated/.tmp_utsrelease.h; if [ ! -r include/generated/utsrelease.h ] || ! cmp -s include/generated/utsrelease.h include/generated/.tmp_utsrelease.h; then : ' UPD include/generated/utsrelease.h'; mv -f include/generated/.tmp_utsrelease.h include/generated/utsrelease.h; fi\n> set -e; mkdir -p include/generated/; trap \"rm -f include/generated/.tmp_compile.h\" EXIT; { ../scripts/mkcompile_h \"ppc\" \"powerpc-linux-musl-gcc (GCC) 14.2.1 20250405\" \"powerpc-linux-musl-ld\"; } > include/generated/.tmp_compile.h; if [ ! -r include/generated/compile.h ] || ! cmp -s include/generated/compile.h include/generated/.tmp_compile.h; then : ' UPD include/generated/compile.h'; mv -f include/generated/.tmp_compile.h include/generated/compile.h; fi\n> ../scripts/remove-stale-files\n> make -f ../scripts/Makefile.build obj=scripts/mod\n> set -e; mkdir -p scripts/mod/; trap \"rm -f scripts/mod/.tmp_devicetable-offsets.h\" EXIT; { \t echo \"#ifndef __DEVICETABLE_OFFSETS_H__\"; echo \"#define __DEVICETABLE_OFFSETS_H__\"; echo \"/*\"; echo \" * DO NOT MODIFY.\"; echo \" *\"; echo \" * This file was generated by Kbuild\"; echo \" */\"; echo \"\"; sed -ne \t's:^[[:space:]]*\\.ascii[[:space:]]*\"\\(.*\\)\".*:\\1:; /^->/{s:->#\\(.*\\):/* \\1 */:; s:^->\\([^ ]*\\) [\\$#]*\\([^ ]*\\) \\(.*\\):#define \\1 \\2 /* \\3 */:; s:->::; p;}' < scripts/mod/devicetable-offsets.s; echo \"\"; echo \"#endif\"; } > scripts/mod/.tmp_devicetable-offsets.h; if [ ! -r scripts/mod/devicetable-offsets.h ] || ! cmp -s scripts/mod/devicetable-offsets.h scripts/mod/.tmp_devicetable-offsets.h; then : ' UPD scripts/mod/devicetable-offsets.h'; mv -f scripts/mod/.tmp_devicetable-offsets.h scripts/mod/devicetable-offsets.h; fi\n> make -f ../scripts/Makefile.build obj=. prepare\n> set -e; mkdir -p include/generated/; trap \"rm -f include/generated/.tmp_timeconst.h\" EXIT; { echo 1000 | bc -q ../kernel/time/timeconst.bc; } > include/generated/.tmp_timeconst.h; if [ ! -r include/generated/timeconst.h ] || ! cmp -s include/generated/timeconst.h include/generated/.tmp_timeconst.h; then : ' UPD include/generated/timeconst.h'; mv -f include/generated/.tmp_timeconst.h include/generated/timeconst.h; fi\n> set -e; mkdir -p include/generated/; trap \"rm -f include/generated/.tmp_bounds.h\" EXIT; { \t echo \"#ifndef __LINUX_BOUNDS_H__\"; echo \"#define __LINUX_BOUNDS_H__\"; echo \"/*\"; echo \" * DO NOT MODIFY.\"; echo \" *\"; echo \" * This file was generated by Kbuild\"; echo \" */\"; echo \"\"; sed -ne \t's:^[[:space:]]*\\.ascii[[:space:]]*\"\\(.*\\)\".*:\\1:; /^->/{s:->#\\(.*\\):/* \\1 */:; s:^->\\([^ ]*\\) [\\$#]*\\([^ ]*\\) \\(.*\\):#define \\1 \\2 /* \\3 */:; s:->::; p;}' < kernel/bounds.s; echo \"\"; echo \"#endif\"; } > include/generated/.tmp_bounds.h; if [ ! -r include/generated/bounds.h ] || ! cmp -s include/generated/bounds.h include/generated/.tmp_bounds.h; then : ' UPD include/generated/bounds.h'; mv -f include/generated/.tmp_bounds.h include/generated/bounds.h; fi\n> set -e; mkdir -p include/generated/; trap \"rm -f include/generated/.tmp_asm-offsets.h\" EXIT; { \t echo \"#ifndef __ASM_OFFSETS_H__\"; echo \"#define __ASM_OFFSETS_H__\"; echo \"/*\"; echo \" * DO NOT MODIFY.\"; echo \" *\"; echo \" * This file was generated by Kbuild\"; echo \" */\"; echo \"\"; sed -ne \t's:^[[:space:]]*\\.ascii[[:space:]]*\"\\(.*\\)\".*:\\1:; /^->/{s:->#\\(.*\\):/* \\1 */:; s:^->\\([^ ]*\\) [\\$#]*\\([^ ]*\\) \\(.*\\):#define \\1 \\2 /* \\3 */:; s:->::; p;}' < arch/powerpc/kernel/asm-offsets.s; echo \"\"; echo \"#endif\"; } > include/generated/.tmp_asm-offsets.h; if [ ! -r include/generated/asm-offsets.h ] || ! cmp -s include/generated/asm-offsets.h include/generated/.tmp_asm-offsets.h; then : ' UPD include/generated/asm-offsets.h'; mv -f include/generated/.tmp_asm-offsets.h include/generated/asm-offsets.h; fi\n> set -e; mkdir -p include/generated/; trap \"rm -f include/generated/.tmp_rq-offsets.h\" EXIT; { \t echo \"#ifndef __RQ_OFFSETS_H__\"; echo \"#define __RQ_OFFSETS_H__\"; echo \"/*\"; echo \" * DO NOT MODIFY.\"; echo \" *\"; echo \" * This file was generated by Kbuild\"; echo \" */\"; echo \"\"; sed -ne \t's:^[[:space:]]*\\.ascii[[:space:]]*\"\\(.*\\)\".*:\\1:; /^->/{s:->#\\(.*\\):/* \\1 */:; s:^->\\([^ ]*\\) [\\$#]*\\([^ ]*\\) \\(.*\\):#define \\1 \\2 /* \\3 */:; s:->::; p;}' < kernel/sched/rq-offsets.s; echo \"\"; echo \"#endif\"; } > include/generated/.tmp_rq-offsets.h; if [ ! -r include/generated/rq-offsets.h ] || ! cmp -s include/generated/rq-offsets.h include/generated/.tmp_rq-offsets.h; then : ' UPD include/generated/rq-offsets.h'; mv -f include/generated/.tmp_rq-offsets.h include/generated/rq-offsets.h; fi\n> # CALL ../scripts/checksyscalls.sh\n> sh ../scripts/checksyscalls.sh powerpc-linux-musl-gcc -Wp,-MMD,./.missing-syscalls.d -nostdinc -I../arch/powerpc/include -I./arch/powerpc/include/generated -I../include -I./include -I../arch/powerpc/include/uapi -I./arch/powerpc/include/generated/uapi -I../include/uapi -I./include/generated/uapi -include ../include/linux/compiler-version.h -include ../include/linux/kconfig.h -include ../include/linux/compiler_types.h -D__KERNEL__ -mbig-endian -m32 -I ../arch/powerpc -fmacro-prefix-map=../= -Wundef -DKBUILD_EXTRA_WARN1 -std=gnu11 -fshort-wchar -funsigned-char -fno-common -fno-PIE -fno-strict-aliasing -msoft-float -ffixed-r2 -mmultiple -mno-readonly-in-sdata -mcpu=powerpc -mno-prefixed -mno-pcrel -mno-altivec -mno-vsx -mno-mma -fno-asynchronous-unwind-tables -mno-string -mbig-endian -fno-delete-null-pointer-checks -Os -fno-allow-store-data-races -fno-stack-protector -fomit-frame-pointer -ftrivial-auto-var-init=zero -fno-stack-clash-protection -fmin-function-alignment=4 -fstrict-flex-arrays=3 -fms-extensions -fno-strict-overflow -fno-stack-check -fconserve-stack -fno-builtin-wcslen -Wall -Wextra -Wundef -Werror=implicit-function-declaration -Werror=implicit-int -Werror=return-type -Werror=strict-prototypes -Wno-format-security -Wno-trigraphs -Wno-frame-address -Wno-address-of-packed-member -Wmissing-declarations -Wmissing-prototypes -Wframe-larger-than=1280 -Wno-main -Wno-type-limits -Wno-dangling-pointer -Wvla-larger-than=1 -Wno-pointer-sign -Wcast-function-type -Wno-array-bounds -Wno-stringop-overflow -Wno-alloc-size-larger-than -Wimplicit-fallthrough=5 -Werror=date-time -Werror=incompatible-pointer-types -Werror=designated-init -Wenum-conversion -Wunused -Wmissing-format-attribute -Wmissing-include-dirs -Wunused-const-variable -Wno-missing-field-initializers -Wno-shift-negative-value -Wno-maybe-uninitialized -Wno-sign-compare -Wno-unused-parameter -DGCC_PLUGINS -I../. -I. -DKBUILD_MODFILE='\"./missing-syscalls\"' -DKBUILD_BASENAME='\"missing_syscalls\"' -DKBUILD_MODNAME='\"missing_syscalls\"' -D__KBUILD_MODNAME=missing_syscalls\n> make -f ../scripts/Makefile.build obj=arch/powerpc/kernel/vdso include/generated/vdso32-offsets.h\n> mkdir -p ./tools\n> make O=/home/linkmauve/dev/linux/wii subdir=tools -C ../tools/ objtool\n> mkdir -p /home/linkmauve/dev/linux/wii/tools/objtool && make O=/home/linkmauve/dev/linux/wii subdir=tools/objtool --no-print-directory -C objtool\n> make -C /home/linkmauve/dev/linux/tools/build CFLAGS= LDFLAGS= /home/linkmauve/dev/linux/wii/tools/objtool/fixdep\n> if [ ! -f /home/linkmauve/dev/linux/wii/tools/objtool/fixdep ]; then\t\t\t\t\t\t\\\n> \tmake -f /home/linkmauve/dev/linux/tools/build/Makefile.build dir=. obj=fixdep HOSTCFLAGS=\"-Wall -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer -std=gnu11 -I ../scripts/include\";\t\\\n> \trm -f /home/linkmauve/dev/linux/wii/tools/objtool/fixdep.o;\t\t\t\t\t\t\\\n> fi\n> make -f /home/linkmauve/dev/linux/tools/build/Makefile.build dir=. obj=fixdep HOSTCFLAGS=\"-Wall -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer -std=gnu11 -I ../scripts/include\"\n> make -C /home/linkmauve/dev/linux/tools/lib/subcmd/ O=/home/linkmauve/dev/linux/wii/tools/objtool/libsubcmd \\\n> \tDESTDIR=/home/linkmauve/dev/linux/wii/tools/objtool/libsubcmd prefix= subdir= \\\n> \tCC=\"gcc\" LD=\"ld\" AR=\"ar\" EXTRA_CFLAGS=\"-std=gnu11 -fomit-frame-pointer -O2 -g -Werror -Wall -Wextra -Wmissing-prototypes -Wmissing-declarations -Wwrite-strings -Wno-implicit-fallthrough -Wno-sign-compare -Wno-unused-parameter -I/home/linkmauve/dev/linux/tools/include -I/home/linkmauve/dev/linux/tools/include/uapi -I/home/linkmauve/dev/linux/tools/arch/x86/include/uapi -I/home/linkmauve/dev/linux/tools/arch/powerpc/include -I/home/linkmauve/dev/linux/tools/objtool/include -I/home/linkmauve/dev/linux/tools/objtool/arch/powerpc/include -I/home/linkmauve/dev/linux/wii/tools/objtool/libsubcmd/include \" \\\n> \t/home/linkmauve/dev/linux/wii/tools/objtool/libsubcmd/libsubcmd.a install_headers\n> make -C /home/linkmauve/dev/linux/tools/build CFLAGS= LDFLAGS= /home/linkmauve/dev/linux/wii/tools/objtool/libsubcmd/fixdep\n> if [ ! -f /home/linkmauve/dev/linux/wii/tools/objtool/libsubcmd/fixdep ]; then\t\t\t\t\t\t\\\n> \tmake -f /home/linkmauve/dev/linux/tools/build/Makefile.build dir=. obj=fixdep HOSTCFLAGS=\"-Wall -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer -std=gnu11 -I ../scripts/include\";\t\\\n> \trm -f /home/linkmauve/dev/linux/wii/tools/objtool/libsubcmd/fixdep.o;\t\t\t\t\t\t\\\n> fi\n> make -f /home/linkmauve/dev/linux/tools/build/Makefile.build dir=. obj=fixdep HOSTCFLAGS=\"-Wall -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer -std=gnu11 -I ../scripts/include\"\n> make[5]: 'install_headers' is up to date.\n> sh ./sync-check.sh\n> make -f /home/linkmauve/dev/linux/tools/build/Makefile.build dir=. obj=objtool CC=\"gcc\" LD=\"ld\" AR=\"ar\" CFLAGS=\"-std=gnu11 -fomit-frame-pointer -O2 -g -Werror -Wall -Wextra -Wmissing-prototypes -Wmissing-declarations -Wwrite-strings -Wno-implicit-fallthrough -Wno-sign-compare -Wno-unused-parameter -I/home/linkmauve/dev/linux/tools/include -I/home/linkmauve/dev/linux/tools/include/uapi -I/home/linkmauve/dev/linux/tools/arch/x86/include/uapi -I/home/linkmauve/dev/linux/tools/arch/powerpc/include -I/home/linkmauve/dev/linux/tools/objtool/include -I/home/linkmauve/dev/linux/tools/objtool/arch/powerpc/include -I/home/linkmauve/dev/linux/wii/tools/objtool/libsubcmd/include \" \\\n> \tLDFLAGS=\"/home/linkmauve/dev/linux/wii/tools/objtool/libsubcmd/libsubcmd.a -lelf \"\n> make -f /home/linkmauve/dev/linux/tools/build/Makefile.build dir=./arch/powerpc obj=objtool\n> sh ../scripts/rust_is_available.sh\n> make -f ../scripts/Makefile.build obj=rust\n> # RUSTC L rust/pin_init.o\n> OBJTREE=/home/linkmauve/dev/linux/wii rustc --edition=2021 -Zbinary_dep_depinfo=y -Astable_features -Aunused_features -Dnon_ascii_idents -Dunsafe_op_in_unsafe_fn -Wmissing_docs -Wrust_2018_idioms -Wunreachable_pub -Wclippy::all -Wclippy::as_ptr_cast_mut -Wclippy::as_underscore -Wclippy::cast_lossless -Wclippy::ignored_unit_patterns -Wclippy::mut_mut -Wclippy::needless_bitwise_bool -Aclippy::needless_lifetimes -Wclippy::no_mangle_with_rust_abi -Wclippy::ptr_as_ptr -Wclippy::ptr_cast_constness -Wclippy::ref_as_ptr -Wclippy::undocumented_unsafe_blocks -Wclippy::unnecessary_safety_comment -Wclippy::unnecessary_safety_doc -Wrustdoc::missing_crate_level_docs -Wrustdoc::unescaped_backticks -Cpanic=abort -Cembed-bitcode=n -Clto=n -Cforce-unwind-tables=n -Ccodegen-units=1 -Csymbol-mangling-version=v0 -Crelocation-model=static -Zfunction-sections=n -Wclippy::float_arithmetic --target=powerpc-unknown-linux-gnu -Copt-level=s -Cdebug-assertions=n -Coverflow-checks=y @./include/generated/rustc_cfg --extern pin_init_internal --extern macros --cfg='kernel' --emit=dep-info=rust/.pin_init.o.d --emit=obj=rust/pin_init.o --emit=metadata=rust/libpin_init.rmeta --crate-type rlib -L./rust --crate-name pin_init ../rust/pin-init/src/lib.rs --sysroot=/dev/null -Zunstable-options ; ./tools/objtool/objtool --static-call rust/pin_init.o\n\nLooks like the command line here is missing -L./rust/host.\n\nMukesh, perhaps when you test locally you didn't clean out the already-built\nfiles inside rust directory?\n\nBest,\nGary\n\n> error[E0463]: can't find crate for `pin_init_internal`\n> --> ../rust/pin-init/src/lib.rs:365:11\n> |\n> 365 | pub use ::pin_init_internal::pin_data;\n> | ^^^^^^^^^^^^^^^^^ can't find crate\n>\n> error: aborting due to 1 previous error\n>\n> For more information about this error, try `rustc --explain E0463`.\n> make[3]: *** [../rust/Makefile:681: rust/pin_init.o] Error 1\n> make[2]: *** [/home/linkmauve/dev/linux/Makefile:1343: prepare] Error 2\n> make[1]: *** [/home/linkmauve/dev/linux/Makefile:248: __sub-make] Error 2\n> make[1]: Leaving directory '/home/linkmauve/dev/linux/wii'\n> make: *** [Makefile:248: __sub-make] Error 2\n> make ARCH=powerpc CROSS_COMPILE=powerpc-linux-musl- O=wii W=1 V=1 -j1 1.15s user 0.56s system 100% cpu 1.695 total\n> ```\n>\n>> \n>> Regards,\n>> Mukesh\n>> \n>> > > \n>> > > We are actively working with our LLVM team to get the target for ppc,\n>> > > ppc64 and ppc64le in the rust compiler.\n>> > > \n>> > > \n>> > > [1] https://lore.kernel.org/all/20260204030507.8203-1-linkmauve@linkmauve.fr\n>> > > [2] https://lore.kernel.org/all/20260204042417.83903-1-mkchauras@gmail.com\n>> > > \n>> > > Changelog:\n>> > > V9 -> V10:\n>> > > - rust/Makefile updated with review comments from Miguel\n>> > > - Patch 1/4 updated with commit message and subject\n>> > > V9: https://lore.kernel.org/all/20260404121610.1956528-1-mkchauras@gmail.com/\n>> > > \n>> > > V8 -> V9:\n>> > > - rust/Makefile updated with a directory instead of abspath\n>> > > V8: https://lore.kernel.org/all/20260403145308.1042622-1-mkchauras@gmail.com/\n>> > > \n>> > > V7 -> V8:\n>> > > - rust/Makefile updated to separate host libraries from target\n>> > > V7: https://lore.kernel.org/all/20260329160254.2592207-1-mkchauras@gmail.com/\n>> > > \n>> > > Changelog:\n>> > > V6 -> V7:\n>> > > - Documentation removed as powerpc is still under development\n>> > > - Added a fix for race condition in rust/Makefile\n>> > > V6: https://lore.kernel.org/all/20260210090023.2587534-1-mkchauras@gmail.com\n>> > > \n>> > > V5 -> V6:\n>> > > - Added a missing Tested by from Venkat which got missed since V3\n>> > > - Support is marked as Maintained instead of experimental\n>> > > V5: https://lore.kernel.org/all/20260210053756.2088302-1-mkchauras@gmail.com\n>> > > \n>> > > V4 -> V5:\n>> > > - Removed a nested ifdef from PPC64 for Little endian toolchain\n>> > > V4: https://lore.kernel.org/all/20260209105456.1551677-1-mkchauras@gmail.com\n>> > > \n>> > > V3 -> V4:\n>> > > - Co-developed-by header added in patch 1\n>> > > V3: https://lore.kernel.org/all/20260205180429.3280657-1-mkchauras@gmail.com\n>> > > \n>> > > V2 -> V3:\n>> > > - Splited HAVE_RUST in 2 lines\n>> > > - BINDGEN_TARGET_powerpc initialized before assigning the same to\n>> > > BINDGEN_TARGET\n>> > > V2: https://lore.kernel.org/all/20260204210125.613350-1-mkchauras@gmail.com\n>> > > \n>> > > V1 -> V2:\n>> > > - jump label fix for rust has been moved to a separate patch\n>> > > - PPC32 support has been taken\n>> > > - rust support has been marked experimental\n>> > > - target.json dependency has been removed\n>> > > - HAVE_RUST now depends on CPU_LITTLE_ENDIAN for PPC64\n>> > > \n>> > > Link Mauve (1):\n>> > > rust: Add PowerPC support\n>> > > \n>> > > Mukesh Kumar Chaurasiya (IBM) (3):\n>> > > rust: Fix \"multiple candidates for rmeta dependency core\" error\n>> > > powerpc/jump_label: adjust inline asm to be consistent\n>> > > powerpc: Enable Rust for ppc64le\n>> > > \n>> > > arch/powerpc/Kconfig | 2 +\n>> > > arch/powerpc/Makefile | 7 +++\n>> > > arch/powerpc/include/asm/jump_label.h | 23 ++++++----\n>> > > rust/Makefile | 66 ++++++++++++++++-----------\n>> > > 4 files changed, 61 insertions(+), 37 deletions(-)\n>> > > \n>> > > -- \n>> > > 2.53.0\n>> > > \n>> > > \n>> > \n>> > -- \n>> > Link Mauve\n>> >","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 (1024-bit key;\n unprotected) header.d=garyguo.net header.i=@garyguo.net header.a=rsa-sha256\n header.s=selector1 header.b=GlQcsogS;\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; helo=lists.ozlabs.org;\n envelope-from=linuxppc-dev+bounces-19510-incoming=patchwork.ozlabs.org@lists.ozlabs.org;\n receiver=patchwork.ozlabs.org)","lists.ozlabs.org;\n arc=pass smtp.remote-ip=\"2a01:111:f403:c206::4\" arc.chain=microsoft.com","lists.ozlabs.org;\n dmarc=pass (p=none dis=none) header.from=garyguo.net","lists.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=garyguo.net header.i=@garyguo.net header.a=rsa-sha256\n header.s=selector1 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lists.ozlabs.org"}},{"id":3674795,"web_url":"http://patchwork.ozlabs.org/comment/3674795/","msgid":"","date":"2026-04-08T14:15:07","subject":"Re: [PATCH V10 0/4] Rust support for powerpc [RESEND]","submitter":{"id":92575,"url":"http://patchwork.ozlabs.org/api/people/92575/","name":"Mukesh Kumar Chaurasiya","email":"mkchauras@gmail.com"},"content":"On Wed, Apr 08, 2026 at 03:00:23PM +0100, Gary Guo wrote:\n> On Wed Apr 8, 2026 at 2:19 PM BST, Link Mauve wrote:\n> > On Wed, Apr 08, 2026 at 05:23:39PM +0530, Mukesh Kumar Chaurasiya wrote:\n> >> On Wed, Apr 08, 2026 at 11:51:40AM +0200, Link Mauve wrote:\n> >> > Hi,\n> >> > \n> >> > (This email is a resent, my IP address got flagged by spamhaus again\n> >> > because I’m on a residential range, hopefully this incident is\n> >> > resolved…)\n> >> > \n> >> > On Tue, Apr 07, 2026 at 01:31:45AM +0530, Mukesh Kumar Chaurasiya (IBM) wrote:\n> >> > > Enable experimental rust support for ppc64le and ppc32be. The patch for\n> >> > > ppc32 has been provided by Link Mauve[1] and ppc64le support[2] has been\n> >> > > merged over it. ppc32 needs some toolchain fixes mentioned in the patch\n> >> > > `rust: Add PowerPC support` and the discussion for that is done here[1].\n> >> > > \n> >> > > This has been tested on\n> >> > > - powernv9 hardware\n> >> > > - pseries P11 hardware\n> >> > > - pseries(9, 10) qemu\n> >> > > - powernv(9, 10) qemu\n> >> > > - rustdoc on x86 and powerpc64le\n> >> > > - rusttest on x86 and powerpc64le\n> >> > \n> >> > I just tested your series for the Wii, so targeting powerpc (32, be),\n> >> > and got this error:\n> >> > ```\n> >> > error[E0463]: can't find crate for `pin_init_internal`\n> >> > --> ../rust/pin-init/src/lib.rs:365:11\n> >> > |\n> >> > 365 | pub use ::pin_init_internal::pin_data;\n> >> > | ^^^^^^^^^^^^^^^^^ can't find crate\n> >> > \n> >> > error: aborting due to 1 previous error\n> >> > \n> >> > For more information about this error, try `rustc --explain E0463`.\n> >> > ```\n> >> > \n> >> > I didn’t get this error in a previous version of your series, would you\n> >> > want me to bisect them?\n> >> > \n> >> > Thanks for your continuous work on it anyway!\n> >> > \n> >> \n> >> Hey Link,\n> >> \n> >> Thanks for testing this.\n> >> \n> >> Can you give me the command generated via make with V=1\n> >> e.g. `make LLVM=1 V=1`\n> >\n> > Here it is:\n> > ```\n> > % make ARCH=powerpc CROSS_COMPILE=powerpc-linux-musl- O=wii W=1 V=1 -j1\n> > make -C /home/linkmauve/dev/linux/wii \\\n> > -f /home/linkmauve/dev/linux/Makefile\n> > make[1]: Entering directory '/home/linkmauve/dev/linux/wii'\n> > make --no-print-directory -C /home/linkmauve/dev/linux/wii \\\n> > -f /home/linkmauve/dev/linux/Makefile\n> > ln -fsn .. source\n> > # GEN Makefile\n> > { echo \"# Automatically generated by /home/linkmauve/dev/linux/Makefile: don't edit\"; echo \"export KBUILD_OUTPUT = /home/linkmauve/dev/linux/wii\"; echo \"include /home/linkmauve/dev/linux/Makefile\"; } > Makefile\n> > test -e .gitignore || \\\n> > { echo \"# this is build directory, ignore it\"; echo \"*\"; } > .gitignore\n> > make -f ../scripts/Makefile.build obj=arch/powerpc/kernel/syscalls all\n> > make -f ../scripts/Makefile.build obj=scripts/basic\n> > make -f ../scripts/Makefile.build obj=scripts/dtc\n> > make -f ../scripts/Makefile.build obj=scripts\n> > make -f ../scripts/Makefile.build obj=scripts/gcc-plugins \\\n> > need-builtin= \\\n> > need-modorder= \\\n> >\n> > set -e; mkdir -p include/config/; trap \"rm -f include/config/.tmp_kernel.release\" EXIT; { ../scripts/setlocalversion ..; } > include/config/.tmp_kernel.release; if [ ! -r include/config/kernel.release ] || ! cmp -s include/config/kernel.release include/config/.tmp_kernel.release; then : ' UPD include/config/kernel.release'; mv -f include/config/.tmp_kernel.release include/config/kernel.release; fi\n> > make -f ../scripts/Makefile.asm-headers obj=arch/powerpc/include/generated/uapi/asm \\\n> > generic=include/uapi/asm-generic\n> > make -f ../scripts/Makefile.asm-headers obj=arch/powerpc/include/generated/asm \\\n> > generic=include/asm-generic\n> > set -e; mkdir -p include/generated/uapi/linux/; trap \"rm -f include/generated/uapi/linux/.tmp_version.h\" EXIT; { \tif [ 0 -gt 255 ]; then echo \\#define LINUX_VERSION_CODE 459007; else echo \\#define LINUX_VERSION_CODE 458752; fi; echo '#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + ((c) > 255 ? 255 : (c)))'; echo \\#define LINUX_VERSION_MAJOR 7; echo \\#define LINUX_VERSION_PATCHLEVEL 0; echo \\#define LINUX_VERSION_SUBLEVEL 0; } > include/generated/uapi/linux/.tmp_version.h; if [ ! -r include/generated/uapi/linux/version.h ] || ! cmp -s include/generated/uapi/linux/version.h include/generated/uapi/linux/.tmp_version.h; then : ' UPD include/generated/uapi/linux/version.h'; mv -f include/generated/uapi/linux/.tmp_version.h include/generated/uapi/linux/version.h; fi\n> > set -e; mkdir -p include/generated/; trap \"rm -f include/generated/.tmp_utsrelease.h\" EXIT; { \tif [ `echo -n \"7.0.0-rc7-wii+\" | wc -c ` -gt 64 ]; then echo '\"7.0.0-rc7-wii+\" exceeds 64 characters' >&2; exit 1; fi; echo \\#define UTS_RELEASE \\\"7.0.0-rc7-wii+\\\"; } > include/generated/.tmp_utsrelease.h; if [ ! -r include/generated/utsrelease.h ] || ! cmp -s include/generated/utsrelease.h include/generated/.tmp_utsrelease.h; then : ' UPD include/generated/utsrelease.h'; mv -f include/generated/.tmp_utsrelease.h include/generated/utsrelease.h; fi\n> > set -e; mkdir -p include/generated/; trap \"rm -f include/generated/.tmp_compile.h\" EXIT; { ../scripts/mkcompile_h \"ppc\" \"powerpc-linux-musl-gcc (GCC) 14.2.1 20250405\" \"powerpc-linux-musl-ld\"; } > include/generated/.tmp_compile.h; if [ ! -r include/generated/compile.h ] || ! cmp -s include/generated/compile.h include/generated/.tmp_compile.h; then : ' UPD include/generated/compile.h'; mv -f include/generated/.tmp_compile.h include/generated/compile.h; fi\n> > ../scripts/remove-stale-files\n> > make -f ../scripts/Makefile.build obj=scripts/mod\n> > set -e; mkdir -p scripts/mod/; trap \"rm -f scripts/mod/.tmp_devicetable-offsets.h\" EXIT; { \t echo \"#ifndef __DEVICETABLE_OFFSETS_H__\"; echo \"#define __DEVICETABLE_OFFSETS_H__\"; echo \"/*\"; echo \" * DO NOT MODIFY.\"; echo \" *\"; echo \" * This file was generated by Kbuild\"; echo \" */\"; echo \"\"; sed -ne \t's:^[[:space:]]*\\.ascii[[:space:]]*\"\\(.*\\)\".*:\\1:; /^->/{s:->#\\(.*\\):/* \\1 */:; s:^->\\([^ ]*\\) [\\$#]*\\([^ ]*\\) \\(.*\\):#define \\1 \\2 /* \\3 */:; s:->::; p;}' < scripts/mod/devicetable-offsets.s; echo \"\"; echo \"#endif\"; } > scripts/mod/.tmp_devicetable-offsets.h; if [ ! -r scripts/mod/devicetable-offsets.h ] || ! cmp -s scripts/mod/devicetable-offsets.h scripts/mod/.tmp_devicetable-offsets.h; then : ' UPD scripts/mod/devicetable-offsets.h'; mv -f scripts/mod/.tmp_devicetable-offsets.h scripts/mod/devicetable-offsets.h; fi\n> > make -f ../scripts/Makefile.build obj=. prepare\n> > set -e; mkdir -p include/generated/; trap \"rm -f include/generated/.tmp_timeconst.h\" EXIT; { echo 1000 | bc -q ../kernel/time/timeconst.bc; } > include/generated/.tmp_timeconst.h; if [ ! -r include/generated/timeconst.h ] || ! cmp -s include/generated/timeconst.h include/generated/.tmp_timeconst.h; then : ' UPD include/generated/timeconst.h'; mv -f include/generated/.tmp_timeconst.h include/generated/timeconst.h; fi\n> > set -e; mkdir -p include/generated/; trap \"rm -f include/generated/.tmp_bounds.h\" EXIT; { \t echo \"#ifndef __LINUX_BOUNDS_H__\"; echo \"#define __LINUX_BOUNDS_H__\"; echo \"/*\"; echo \" * DO NOT MODIFY.\"; echo \" *\"; echo \" * This file was generated by Kbuild\"; echo \" */\"; echo \"\"; sed -ne \t's:^[[:space:]]*\\.ascii[[:space:]]*\"\\(.*\\)\".*:\\1:; /^->/{s:->#\\(.*\\):/* \\1 */:; s:^->\\([^ ]*\\) [\\$#]*\\([^ ]*\\) \\(.*\\):#define \\1 \\2 /* \\3 */:; s:->::; p;}' < kernel/bounds.s; echo \"\"; echo \"#endif\"; } > include/generated/.tmp_bounds.h; if [ ! -r include/generated/bounds.h ] || ! cmp -s include/generated/bounds.h include/generated/.tmp_bounds.h; then : ' UPD include/generated/bounds.h'; mv -f include/generated/.tmp_bounds.h include/generated/bounds.h; fi\n> > set -e; mkdir -p include/generated/; trap \"rm -f include/generated/.tmp_asm-offsets.h\" EXIT; { \t echo \"#ifndef __ASM_OFFSETS_H__\"; echo \"#define __ASM_OFFSETS_H__\"; echo \"/*\"; echo \" * DO NOT MODIFY.\"; echo \" *\"; echo \" * This file was generated by Kbuild\"; echo \" */\"; echo \"\"; sed -ne \t's:^[[:space:]]*\\.ascii[[:space:]]*\"\\(.*\\)\".*:\\1:; /^->/{s:->#\\(.*\\):/* \\1 */:; s:^->\\([^ ]*\\) [\\$#]*\\([^ ]*\\) \\(.*\\):#define \\1 \\2 /* \\3 */:; s:->::; p;}' < arch/powerpc/kernel/asm-offsets.s; echo \"\"; echo \"#endif\"; } > include/generated/.tmp_asm-offsets.h; if [ ! -r include/generated/asm-offsets.h ] || ! cmp -s include/generated/asm-offsets.h include/generated/.tmp_asm-offsets.h; then : ' UPD include/generated/asm-offsets.h'; mv -f include/generated/.tmp_asm-offsets.h include/generated/asm-offsets.h; fi\n> > set -e; mkdir -p include/generated/; trap \"rm -f include/generated/.tmp_rq-offsets.h\" EXIT; { \t echo \"#ifndef __RQ_OFFSETS_H__\"; echo \"#define __RQ_OFFSETS_H__\"; echo \"/*\"; echo \" * DO NOT MODIFY.\"; echo \" *\"; echo \" * This file was generated by Kbuild\"; echo \" */\"; echo \"\"; sed -ne \t's:^[[:space:]]*\\.ascii[[:space:]]*\"\\(.*\\)\".*:\\1:; /^->/{s:->#\\(.*\\):/* \\1 */:; s:^->\\([^ ]*\\) [\\$#]*\\([^ ]*\\) \\(.*\\):#define \\1 \\2 /* \\3 */:; s:->::; p;}' < kernel/sched/rq-offsets.s; echo \"\"; echo \"#endif\"; } > include/generated/.tmp_rq-offsets.h; if [ ! -r include/generated/rq-offsets.h ] || ! cmp -s include/generated/rq-offsets.h include/generated/.tmp_rq-offsets.h; then : ' UPD include/generated/rq-offsets.h'; mv -f include/generated/.tmp_rq-offsets.h include/generated/rq-offsets.h; fi\n> > # CALL ../scripts/checksyscalls.sh\n> > sh ../scripts/checksyscalls.sh powerpc-linux-musl-gcc -Wp,-MMD,./.missing-syscalls.d -nostdinc -I../arch/powerpc/include -I./arch/powerpc/include/generated -I../include -I./include -I../arch/powerpc/include/uapi -I./arch/powerpc/include/generated/uapi -I../include/uapi -I./include/generated/uapi -include ../include/linux/compiler-version.h -include ../include/linux/kconfig.h -include ../include/linux/compiler_types.h -D__KERNEL__ -mbig-endian -m32 -I ../arch/powerpc -fmacro-prefix-map=../= -Wundef -DKBUILD_EXTRA_WARN1 -std=gnu11 -fshort-wchar -funsigned-char -fno-common -fno-PIE -fno-strict-aliasing -msoft-float -ffixed-r2 -mmultiple -mno-readonly-in-sdata -mcpu=powerpc -mno-prefixed -mno-pcrel -mno-altivec -mno-vsx -mno-mma -fno-asynchronous-unwind-tables -mno-string -mbig-endian -fno-delete-null-pointer-checks -Os -fno-allow-store-data-races -fno-stack-protector -fomit-frame-pointer -ftrivial-auto-var-init=zero -fno-stack-clash-protection -fmin-function-alignment=4 -fstrict-flex-arrays=3 -fms-extensions -fno-strict-overflow -fno-stack-check -fconserve-stack -fno-builtin-wcslen -Wall -Wextra -Wundef -Werror=implicit-function-declaration -Werror=implicit-int -Werror=return-type -Werror=strict-prototypes -Wno-format-security -Wno-trigraphs -Wno-frame-address -Wno-address-of-packed-member -Wmissing-declarations -Wmissing-prototypes -Wframe-larger-than=1280 -Wno-main -Wno-type-limits -Wno-dangling-pointer -Wvla-larger-than=1 -Wno-pointer-sign -Wcast-function-type -Wno-array-bounds -Wno-stringop-overflow -Wno-alloc-size-larger-than -Wimplicit-fallthrough=5 -Werror=date-time -Werror=incompatible-pointer-types -Werror=designated-init -Wenum-conversion -Wunused -Wmissing-format-attribute -Wmissing-include-dirs -Wunused-const-variable -Wno-missing-field-initializers -Wno-shift-negative-value -Wno-maybe-uninitialized -Wno-sign-compare -Wno-unused-parameter -DGCC_PLUGINS -I../. -I. -DKBUILD_MODFILE='\"./missing-syscalls\"' -DKBUILD_BASENAME='\"missing_syscalls\"' -DKBUILD_MODNAME='\"missing_syscalls\"' -D__KBUILD_MODNAME=missing_syscalls\n> > make -f ../scripts/Makefile.build obj=arch/powerpc/kernel/vdso include/generated/vdso32-offsets.h\n> > mkdir -p ./tools\n> > make O=/home/linkmauve/dev/linux/wii subdir=tools -C ../tools/ objtool\n> > mkdir -p /home/linkmauve/dev/linux/wii/tools/objtool && make O=/home/linkmauve/dev/linux/wii subdir=tools/objtool --no-print-directory -C objtool\n> > make -C /home/linkmauve/dev/linux/tools/build CFLAGS= LDFLAGS= /home/linkmauve/dev/linux/wii/tools/objtool/fixdep\n> > if [ ! -f /home/linkmauve/dev/linux/wii/tools/objtool/fixdep ]; then\t\t\t\t\t\t\\\n> > \tmake -f /home/linkmauve/dev/linux/tools/build/Makefile.build dir=. obj=fixdep HOSTCFLAGS=\"-Wall -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer -std=gnu11 -I ../scripts/include\";\t\\\n> > \trm -f /home/linkmauve/dev/linux/wii/tools/objtool/fixdep.o;\t\t\t\t\t\t\\\n> > fi\n> > make -f /home/linkmauve/dev/linux/tools/build/Makefile.build dir=. obj=fixdep HOSTCFLAGS=\"-Wall -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer -std=gnu11 -I ../scripts/include\"\n> > make -C /home/linkmauve/dev/linux/tools/lib/subcmd/ O=/home/linkmauve/dev/linux/wii/tools/objtool/libsubcmd \\\n> > \tDESTDIR=/home/linkmauve/dev/linux/wii/tools/objtool/libsubcmd prefix= subdir= \\\n> > \tCC=\"gcc\" LD=\"ld\" AR=\"ar\" EXTRA_CFLAGS=\"-std=gnu11 -fomit-frame-pointer -O2 -g -Werror -Wall -Wextra -Wmissing-prototypes -Wmissing-declarations -Wwrite-strings -Wno-implicit-fallthrough -Wno-sign-compare -Wno-unused-parameter -I/home/linkmauve/dev/linux/tools/include -I/home/linkmauve/dev/linux/tools/include/uapi -I/home/linkmauve/dev/linux/tools/arch/x86/include/uapi -I/home/linkmauve/dev/linux/tools/arch/powerpc/include -I/home/linkmauve/dev/linux/tools/objtool/include -I/home/linkmauve/dev/linux/tools/objtool/arch/powerpc/include -I/home/linkmauve/dev/linux/wii/tools/objtool/libsubcmd/include \" \\\n> > \t/home/linkmauve/dev/linux/wii/tools/objtool/libsubcmd/libsubcmd.a install_headers\n> > make -C /home/linkmauve/dev/linux/tools/build CFLAGS= LDFLAGS= /home/linkmauve/dev/linux/wii/tools/objtool/libsubcmd/fixdep\n> > if [ ! -f /home/linkmauve/dev/linux/wii/tools/objtool/libsubcmd/fixdep ]; then\t\t\t\t\t\t\\\n> > \tmake -f /home/linkmauve/dev/linux/tools/build/Makefile.build dir=. obj=fixdep HOSTCFLAGS=\"-Wall -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer -std=gnu11 -I ../scripts/include\";\t\\\n> > \trm -f /home/linkmauve/dev/linux/wii/tools/objtool/libsubcmd/fixdep.o;\t\t\t\t\t\t\\\n> > fi\n> > make -f /home/linkmauve/dev/linux/tools/build/Makefile.build dir=. obj=fixdep HOSTCFLAGS=\"-Wall -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer -std=gnu11 -I ../scripts/include\"\n> > make[5]: 'install_headers' is up to date.\n> > sh ./sync-check.sh\n> > make -f /home/linkmauve/dev/linux/tools/build/Makefile.build dir=. obj=objtool CC=\"gcc\" LD=\"ld\" AR=\"ar\" CFLAGS=\"-std=gnu11 -fomit-frame-pointer -O2 -g -Werror -Wall -Wextra -Wmissing-prototypes -Wmissing-declarations -Wwrite-strings -Wno-implicit-fallthrough -Wno-sign-compare -Wno-unused-parameter -I/home/linkmauve/dev/linux/tools/include -I/home/linkmauve/dev/linux/tools/include/uapi -I/home/linkmauve/dev/linux/tools/arch/x86/include/uapi -I/home/linkmauve/dev/linux/tools/arch/powerpc/include -I/home/linkmauve/dev/linux/tools/objtool/include -I/home/linkmauve/dev/linux/tools/objtool/arch/powerpc/include -I/home/linkmauve/dev/linux/wii/tools/objtool/libsubcmd/include \" \\\n> > \tLDFLAGS=\"/home/linkmauve/dev/linux/wii/tools/objtool/libsubcmd/libsubcmd.a -lelf \"\n> > make -f /home/linkmauve/dev/linux/tools/build/Makefile.build dir=./arch/powerpc obj=objtool\n> > sh ../scripts/rust_is_available.sh\n> > make -f ../scripts/Makefile.build obj=rust\n> > # RUSTC L rust/pin_init.o\n> > OBJTREE=/home/linkmauve/dev/linux/wii rustc --edition=2021 -Zbinary_dep_depinfo=y -Astable_features -Aunused_features -Dnon_ascii_idents -Dunsafe_op_in_unsafe_fn -Wmissing_docs -Wrust_2018_idioms -Wunreachable_pub -Wclippy::all -Wclippy::as_ptr_cast_mut -Wclippy::as_underscore -Wclippy::cast_lossless -Wclippy::ignored_unit_patterns -Wclippy::mut_mut -Wclippy::needless_bitwise_bool -Aclippy::needless_lifetimes -Wclippy::no_mangle_with_rust_abi -Wclippy::ptr_as_ptr -Wclippy::ptr_cast_constness -Wclippy::ref_as_ptr -Wclippy::undocumented_unsafe_blocks -Wclippy::unnecessary_safety_comment -Wclippy::unnecessary_safety_doc -Wrustdoc::missing_crate_level_docs -Wrustdoc::unescaped_backticks -Cpanic=abort -Cembed-bitcode=n -Clto=n -Cforce-unwind-tables=n -Ccodegen-units=1 -Csymbol-mangling-version=v0 -Crelocation-model=static -Zfunction-sections=n -Wclippy::float_arithmetic --target=powerpc-unknown-linux-gnu -Copt-level=s -Cdebug-assertions=n -Coverflow-checks=y @./include/generated/rustc_cfg --extern pin_init_internal --extern macros --cfg='kernel' --emit=dep-info=rust/.pin_init.o.d --emit=obj=rust/pin_init.o --emit=metadata=rust/libpin_init.rmeta --crate-type rlib -L./rust --crate-name pin_init ../rust/pin-init/src/lib.rs --sysroot=/dev/null -Zunstable-options ; ./tools/objtool/objtool --static-call rust/pin_init.o\n>\nThanks Link.\n\n> Looks like the command line here is missing -L./rust/host.\n> \nYeah, got the fix for it. Stupid mistake.\nWill send out a new revision.\nThanks though.\n\nRegards,\nMukesh\n> Mukesh, perhaps when you test locally you didn't clean out the already-built\n> files inside rust directory?\n> \n> Best,\n> Gary\n>\n> > error[E0463]: can't find crate for `pin_init_internal`\n> > --> ../rust/pin-init/src/lib.rs:365:11\n> > |\n> > 365 | pub use ::pin_init_internal::pin_data;\n> > | ^^^^^^^^^^^^^^^^^ can't find crate\n> >\n> > error: aborting due to 1 previous error\n> >\n> > For more information about this error, try `rustc --explain E0463`.\n> > make[3]: *** [../rust/Makefile:681: rust/pin_init.o] Error 1\n> > make[2]: *** [/home/linkmauve/dev/linux/Makefile:1343: prepare] Error 2\n> > make[1]: *** [/home/linkmauve/dev/linux/Makefile:248: __sub-make] Error 2\n> > make[1]: Leaving directory '/home/linkmauve/dev/linux/wii'\n> > make: *** [Makefile:248: __sub-make] Error 2\n> > make ARCH=powerpc CROSS_COMPILE=powerpc-linux-musl- O=wii W=1 V=1 -j1 1.15s user 0.56s system 100% cpu 1.695 total\n> > ```\n> >\n> >> \n> >> Regards,\n> >> Mukesh\n> >> \n> >> > > \n> >> > > We are actively working with our LLVM team to get the target for ppc,\n> >> > > ppc64 and ppc64le in the rust compiler.\n> >> > > \n> >> > > \n> >> > > [1] https://lore.kernel.org/all/20260204030507.8203-1-linkmauve@linkmauve.fr\n> >> > > [2] https://lore.kernel.org/all/20260204042417.83903-1-mkchauras@gmail.com\n> >> > > \n> >> > > Changelog:\n> >> > > V9 -> V10:\n> >> > > - rust/Makefile updated with review comments from Miguel\n> >> > > - Patch 1/4 updated with commit message and subject\n> >> > > V9: https://lore.kernel.org/all/20260404121610.1956528-1-mkchauras@gmail.com/\n> >> > > \n> >> > > V8 -> V9:\n> >> > > - rust/Makefile updated with a directory instead of abspath\n> >> > > V8: https://lore.kernel.org/all/20260403145308.1042622-1-mkchauras@gmail.com/\n> >> > > \n> >> > > V7 -> V8:\n> >> > > - rust/Makefile updated to separate host libraries from target\n> >> > > V7: https://lore.kernel.org/all/20260329160254.2592207-1-mkchauras@gmail.com/\n> >> > > \n> >> > > Changelog:\n> >> > > V6 -> V7:\n> >> > > - Documentation removed as powerpc is still under development\n> >> > > - Added a fix for race condition in rust/Makefile\n> >> > > V6: https://lore.kernel.org/all/20260210090023.2587534-1-mkchauras@gmail.com\n> >> > > \n> >> > > V5 -> V6:\n> >> > > - Added a missing Tested by from Venkat which got missed since V3\n> >> > > - Support is marked as Maintained instead of experimental\n> >> > > V5: https://lore.kernel.org/all/20260210053756.2088302-1-mkchauras@gmail.com\n> >> > > \n> >> > > V4 -> V5:\n> >> > > - Removed a nested ifdef from PPC64 for Little endian toolchain\n> >> > > V4: https://lore.kernel.org/all/20260209105456.1551677-1-mkchauras@gmail.com\n> >> > > \n> >> > > V3 -> V4:\n> >> > > - Co-developed-by header added in patch 1\n> >> > > V3: https://lore.kernel.org/all/20260205180429.3280657-1-mkchauras@gmail.com\n> >> > > \n> >> > > V2 -> V3:\n> >> > > - Splited HAVE_RUST in 2 lines\n> >> > > - BINDGEN_TARGET_powerpc initialized before assigning the same to\n> >> > > BINDGEN_TARGET\n> >> > > V2: https://lore.kernel.org/all/20260204210125.613350-1-mkchauras@gmail.com\n> >> > > \n> >> > > V1 -> V2:\n> >> > > - jump label fix for rust has been moved to a separate patch\n> >> > > - PPC32 support has been taken\n> >> > > - rust support has been marked experimental\n> >> > > - target.json dependency has been removed\n> >> > > - HAVE_RUST now depends on CPU_LITTLE_ENDIAN for PPC64\n> >> > > \n> >> > > Link Mauve (1):\n> >> > > rust: Add PowerPC support\n> >> > > \n> >> > > Mukesh Kumar Chaurasiya (IBM) (3):\n> >> > > rust: Fix \"multiple candidates for rmeta dependency core\" error\n> >> > > powerpc/jump_label: adjust inline asm to be consistent\n> >> > > powerpc: Enable Rust for ppc64le\n> >> > > \n> >> > > arch/powerpc/Kconfig | 2 +\n> >> > > arch/powerpc/Makefile | 7 +++\n> >> > > arch/powerpc/include/asm/jump_label.h | 23 ++++++----\n> >> > > rust/Makefile | 66 ++++++++++++++++-----------\n> >> > > 4 files changed, 61 insertions(+), 37 deletions(-)\n> >> > > \n> >> > > -- \n> >> > > 2.53.0\n> >> > > \n> >> > > \n> >> > \n> >> > -- \n> >> > Link Mauve\n> >> > \n>","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=kICzfa+x;\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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