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Thu, 9 Jul 2026 06:00:15 +0000 (GMT) Message-ID: <4bd57d71-2cdc-4ae3-9eff-945fb0edb74b@linux.ibm.com> Date: Thu, 9 Jul 2026 11:30:14 +0530 Precedence: bulk X-Mailing-List: rust-for-linux@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH V16 4/7] rust/powerpc: Set min rustc version for powerpc To: Miguel Ojeda , Mukesh Kumar Chaurasiya Cc: mpe@ellerman.id.au, npiggin@gmail.com, chleroy@kernel.org, peterz@infradead.org, jpoimboe@kernel.org, jbaron@akamai.com, aliceryhl@google.com, rostedt@goodmis.org, ardb@kernel.org, ojeda@kernel.org, boqun@kernel.org, gary@garyguo.net, bjorn3_gh@protonmail.com, lossin@kernel.org, a.hindborg@kernel.org, tmgross@umich.edu, dakr@kernel.org, nathan@kernel.org, nick.desaulniers+lkml@gmail.com, morbo@google.com, justinstitt@google.com, daniel.almeida@collabora.com, acourbot@nvidia.com, fujita.tomonori@gmail.com, gregkh@linuxfoundation.org, prafulrai522@gmail.com, tamird@kernel.org, kees@kernel.org, lyude@redhat.com, airlied@gmail.com, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, rust-for-linux@vger.kernel.org, llvm@lists.linux.dev References: <20260520064630.1785283-1-mkchauras@gmail.com> <20260520064630.1785283-5-mkchauras@gmail.com> Content-Language: en-US From: Madhavan Srinivasan In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Reinject: loops=2 maxloops=12 X-Authority-Analysis: v=2.4 cv=Q/XiJY2a c=1 sm=1 tr=0 ts=6a4f3900 cx=c_pps a=5BHTudwdYE3Te8bg5FgnPg==:117 a=5BHTudwdYE3Te8bg5FgnPg==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=Y2IxJ9c9Rs8Kov3niI8_:22 a=pGLkceISAAAA:8 a=23NikzbM9C8rY62k8fIA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=ZXulRonScM0A:10 X-Proofpoint-GUID: _SaeDxNIE02BJt3YkY-uXHnHHwHe2RaZ X-Proofpoint-ORIG-GUID: 0sOmipDoSe6tZBwDMnvpvQCQGXHPcvI7 X-Proofpoint-Spam-Info: AW1haW4tMjYwNzA5MDA1MiBTYWx0ZWRfX0KY0He5smy42 9DJjVB7QwkL6NJ5foy1w5puyElflmtWB9isNc3XaCFT6aDcFfCop+3KpjR2sa7kga2N0FYXrmpH 8S6DTTRDvtZwVvhqFJFwOPyCMxK0iWk= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzA5MDA1MiBTYWx0ZWRfXz3pdC9Iqa3BP aqY0u/JLbKvwaMYrrBh6JSB6IXurw53zL53STlP0MR2WVKmjkRTVttAt5ikS+EnczTI4+CsseDf WoZ9uc3eelbRAAGIHhs4TsNSrTaDVd5kzNOivTXq0tTY9j1LpV23aSrvqeDyMGQiC9lvZSJLrM/ 1eDoJzLA3q9OJ31/f1RZ7+mk2KhMjcV3QInyaZXCJL2efqNAvY1qIEFuBKRZm+K/gpepLnuEBGD QlWy1QXlpfgfpku63lIdUIryydKWNaShadIs56vLnTKURVaY4h9u9uD1TZap5nDfDrWJdL7xx09 43Y36uoTEQq/GDVo7scj8L0wIiKgEzlrP/Xwp2u1gzAVKFPCYHsYr3wzZMeBcuyTja/pV6ie46j Uqt2ZVFFKhCvsI7DwSBrdCEWwcS4wfOOb/u6XIuRD8ffIQqo6aNMwG49RZypwOnwZntI4OhEmDH G8pSfMGAW+x8WzmmFIA== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-08_05,2026-07-08_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 impostorscore=0 spamscore=0 phishscore=0 priorityscore=1501 bulkscore=0 clxscore=1011 lowpriorityscore=0 suspectscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607090052 On 6/26/26 3:47 PM, Miguel Ojeda wrote: > On Fri, Jun 26, 2026 at 8:50 AM Mukesh Kumar Chaurasiya > wrote: >> This corresponds to a floating point instruction. Although we have >> disabled fpu, vsx and altivec we are still generating these. Seems like >> we have some issue with the rustc here. I didn't dive deeper into this. >> >> Is it ok if we keep 1.95 as base for powerpc64le? > It may be that it is generated but unused (we have that issue > elsewhere -- see e.g. `rust/compiler_builtins.rs`). > > Having said that, if 1.95 is fine for the powerpc arch maintainers, > then that is fine (s390 also used a higher minimum -- please see the > recent change in `scripts/min-tool-version.sh`). Missed to response here. Yes I think 1.95 is fine and have requested to post a v17 which is already done. Will pull that for the -next Maddy