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Sat, 21 Mar 2026 18:58:36 +0800 (CST) X-QQ-SSF: 0000000000000000000000000000000 X-QQ-GoodBg: 0 X-BIZMAIL-ID: 16548554169117854485 EX-QQ-RecipientCnt: 17 From: Kexin Sun To: peterz@infradead.org, mingo@redhat.com, acme@kernel.org, namhyung@kernel.org, mark.rutland@arm.com, alexander.shishkin@linux.intel.com, jolsa@kernel.org, irogers@google.com, adrian.hunter@intel.com, james.clark@linaro.org, linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org Cc: julia.lawall@inria.fr, xutong.ma@inria.fr, kexinsun@smail.nju.edu.cn, yunbolyu@smu.edu.sg, ratnadiraw@smu.edu.sg Subject: [PATCH] perf/core: update outdated comment for refactored ctx_flexible_sched_in() Date: Sat, 21 Mar 2026 18:58:35 +0800 Message-Id: <20260321105835.7389-1-kexinsun@smail.nju.edu.cn> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-QQ-SENDSIZE: 520 Feedback-ID: esmtpgz:smail.nju.edu.cn:qybglogicsvrgz:qybglogicsvrgz5b-0 X-QQ-XMAILINFO: MKnpPHYEGQ6FnPMopnBLPvV4eJAiyjRianaLjYl23dHZACMGLZbWOvtp pDyHkOJMmLTMsaMDY8jlfWv1FqSExouMPbDfv2kllp8BuFKBou3xkxPKmHLwzvq3iF9/FHn RObRyN69kq+1wB7h7wfQlYJqWf/U2MSWJHehdbNbMiVt6aLvLUq+lJ8KSExj2dmWQqMzcKm /cgx2o+f+8bHE/8KKa793U6C7TRUMr/1etNJrqvT72x4+JoBeLPWvB+pnOPEANlhBQPCJ81 1w8tG9KMF0NqyG3Q0C2HlLFiOon7OiOxMmY+kWvq/1BmifQpgLPtsIkQ7Nq/dUVctmthl02 P9nHKAQBFIfBLYHvRxabAiNteBt1pV1lchdWDowdEBUMCmW1iGgEhA2xGrwdY3unklYs53T +PJYWbgVKobkg3GtkYEb8B7sKCl3t4kFe9xWHrqPiAHIaSD3YmJgasK2BEO49JJFsso6+zx J6zIbmeWyewlbMQvR07hBJlz9GU032NLs3R1nwqd/O09eV2Eh9O24WXJ/lAPZYavxzwR67r ubNY3m9cyGj0TCteRSr+50O6WH5cMhynYY+H7bCrGkzNIa4R8Z6leAahPp0+7cMQhKlhJsG 92ikL7paoIf9jrGCJZnfAKOP8CoTh5WS+VL53iSxB4H7KV/TdzLeyvWPnxsgsl91yDjdX23 Ip+oL7Y0iTKpiPSr7m7XD7Swnwd6gdpoi7+tsIwTZSqbDhisS/n+2dwntbJI93mM+h8RPc9 hAD7RsOIyPVEBTj+Zl+Hfwr1EiX0/xDOmzXfu24UykOJkM3FnFX8ytbQ7NYVhdVwE5LcU8b FGL9TSySITXwHlShdbAKgvNho4ZmApzy/4RypvwddvdSOPNf6EwnCiZiUFGuPJyE4IdRDiK 1VnXDNOhaWtEWnm7Fuo8lBjCkrFWhlLfXDUJKjt3dk71ojK8ee8j+VPMTOBkVF4eyobFBj8 TJ1iQ5PyG79Tqog2g6Sx0ftVjB3mz7FfKeKn14+/SE9zOHFQYnqu/YZIjs6as6jSvNNqVmn 43zcsH2PRqtvDQ/+qUmOtPDwVMCxN/K5e75rhf70fV2hnAC90tY15RBXdgVsbRlKrKEHlCD 1zHomuBn9MG/s5iSW8L+uK7iSd23GXB+g== X-QQ-XMRINFO: M/715EihBoGS47X28/vv4NpnfpeBLnr4Qg== X-QQ-RECHKSPAM: 0 Content-Type: text/plain; charset="utf-8" ctx_flexible_sched_in() was split into pmu_groups_sched_in() for scheduling a single PMU's event groups and ctx_groups_sched_in() for iterating over PMU contexts by commit f06cc667f799 ("perf: Optimize perf_cgroup_switch()"). ctx_groups_sched_in() was then folded into __pmu_ctx_sched_in() by commit 2d17cf1abcbe ("perf: Optimize context reschedule for single PMU cases"). __pmu_ctx_sched_in() is now the function that schedules flexible events and may re-set rotate_necessary. Update the references to ctx_flexible_sched_in() accordingly. Assisted-by: unnamed:deepseek-v3.2 coccinelle Signed-off-by: Kexin Sun --- kernel/events/core.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/events/core.c b/kernel/events/core.c index ac70d68217b6..463440774f26 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -3556,7 +3556,7 @@ static void __pmu_ctx_sched_out(struct perf_event_pmu= _context *pmu_ctx, /* * Since we cleared EVENT_FLEXIBLE, also clear * rotate_necessary, is will be reset by - * ctx_flexible_sched_in() when needed. + * __pmu_ctx_sched_in() when needed. */ pmu_ctx->rotate_necessary =3D 0; } @@ -4575,7 +4575,7 @@ ctx_event_to_rotate(struct perf_event_pmu_context *pm= u_ctx) =20 out: /* - * Unconditionally clear rotate_necessary; if ctx_flexible_sched_in() + * Unconditionally clear rotate_necessary; if __pmu_ctx_sched_in() * finds there are unschedulable events, it will set it again. */ pmu_ctx->rotate_necessary =3D 0; --=20 2.25.1