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Howlett" , Lorenzo Stoakes , Michal Hocko , Mike Rapoport , Suren Baghdasaryan , Vlastimil Babka , Heiko Carstens , Vasily Gorbik References: <20260429114355.6c712e6a@gandalf.local.home> <20260429114747.4cf74d04@gandalf.local.home> From: Mathieu Desnoyers Content-Language: en-US In-Reply-To: <20260429114747.4cf74d04@gandalf.local.home> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-ClientProxiedBy: YQBP288CA0020.CANP288.PROD.OUTLOOK.COM (2603:10b6:c01:6a::24) To YT2PR01MB9175.CANPRD01.PROD.OUTLOOK.COM (2603:10b6:b01:be::5) Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: YT2PR01MB9175:EE_|YT2PR01MB9191:EE_ X-MS-Office365-Filtering-Correlation-Id: 0062e8d9-d3de-461c-690c-08dea61da9a4 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: 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X-MS-Exchange-Transport-CrossTenantHeadersStamped: YT2PR01MB9191 On 2026-04-29 11:47, Steven Rostedt wrote: > On Wed, 29 Apr 2026 11:43:55 -0400 > Steven Rostedt wrote: > >> diff --git a/arch/powerpc/kernel/syscalls/syscall.tbl b/arch/powerpc/kernel/syscalls/syscall.tbl >> index 4fcc7c58a105..005441233932 100644 >> --- a/arch/powerpc/kernel/syscalls/syscall.tbl >> +++ b/arch/powerpc/kernel/syscalls/syscall.tbl >> @@ -562,3 +562,4 @@ >> 469 common file_setattr sys_file_setattr >> 470 common listns sys_listns >> 471 nospu rseq_slice_yield sys_rseq_slice_yield >> +472 nospu stacktrace_setup sys_stacktrace_setup > > BTW, I have no idea what "nospu" is. I did some searches for PowerPC and > spu vs nospu and the only thing I found was a stackoverflow asking about > it, and the response was "don't worry about it". > > I only picked nospu because I noticed that rseq_slice_yield used it, but > that doesn't give me a good feeling that it's correct. AFAIR PowerPC SPUs are the Cell "Synergistic Processing Units", e.g. for Playstation 3. Thanks, Mathieu -- Mathieu Desnoyers EfficiOS Inc. https://www.efficios.com