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[72.235.129.167]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-201cd1cbae3sm16976035ad.279.2024.08.13.12.04.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 13 Aug 2024 12:04:14 -0700 (PDT) Sender: Tejun Heo Date: Tue, 13 Aug 2024 09:04:13 -1000 From: Tejun Heo To: Manu Bretelle Cc: void@manifault.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH] sched_ext: define missing cfi stubs for sched_ext Message-ID: References: <20240813185625.535541-1-chantr4@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240813185625.535541-1-chantr4@gmail.com> On Tue, Aug 13, 2024 at 11:56:25AM -0700, Manu Bretelle wrote: > `__bpf_ops_sched_ext_ops` was missing the initialization of some struct > attributes. > With > https://lore.kernel.org/all/20240722183049.2254692-4-martin.lau@linux.dev/ > every single attributes need to be initialized programs (like scx_layered) > will fail to load. > > 05:26:48 [INFO] libbpf: struct_ops layered: member cgroup_init not found in kernel, skipping it as it's set to zero > 05:26:48 [INFO] libbpf: struct_ops layered: member cgroup_exit not found in kernel, skipping it as it's set to zero > 05:26:48 [INFO] libbpf: struct_ops layered: member cgroup_prep_move not found in kernel, skipping it as it's set to zero > 05:26:48 [INFO] libbpf: struct_ops layered: member cgroup_move not found in kernel, skipping it as it's set to zero > 05:26:48 [INFO] libbpf: struct_ops layered: member cgroup_cancel_move not found in kernel, skipping it as it's set to zero > 05:26:48 [INFO] libbpf: struct_ops layered: member cgroup_set_weight not found in kernel, skipping it as it's set to zero > 05:26:48 [WARN] libbpf: prog 'layered_dump': BPF program load failed: unknown error (-524) > 05:26:48 [WARN] libbpf: prog 'layered_dump': -- BEGIN PROG LOAD LOG -- > attach to unsupported member dump of struct sched_ext_ops > processed 0 insns (limit 1000000) max_states_per_insn 0 total_states 0 peak_states 0 mark_read 0 > -- END PROG LOAD LOG -- > 05:26:48 [WARN] libbpf: prog 'layered_dump': failed to load: -524 > 05:26:48 [WARN] libbpf: failed to load object 'bpf_bpf' > 05:26:48 [WARN] libbpf: failed to load BPF skeleton 'bpf_bpf': -524 > Error: Failed to load BPF program > > Signed-off-by: Manu Bretelle Applied to sched_ext/for-6.12. Thanks. -- tejun