From patchwork Wed Nov 27 19:15:28 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= X-Patchwork-Id: 13887314 X-Patchwork-Delegate: bpf@iogearbox.net Received: from todd.t-8ch.de (todd.t-8ch.de [159.69.126.157]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B0364204084; Wed, 27 Nov 2024 19:20:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.69.126.157 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732735254; cv=none; b=I8Lpma6sES8xhVaGodOWaEVMpa/V425gMaV3ieZ7qM+OJrStVKHXZ64YwepygeuOOEQ+I8bkEckXhCMxwygbK6eLP/E6KHBV5ee3V4yzb59BkSl9P7rAET8Au8EHByfH5E6ZaYr/S9WEkcYCg4SiyRtNEVD4IDMI3cIu2ZXJ8L4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732735254; c=relaxed/simple; bh=nbtK+ExfnhyZ5gIuDVa+ktGgkDaweYMcUS0HqG+YpRw=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=RNsmI0FNTCSTyceNkRHtJN2LTQrnnXvNIJMV9HLb17rvGsWC2vFtDMsc3TV9ycANtODNj/vQpZrVVkhgAi2z3UjvzDGJPVb7tLHA3SCMg4y9xSmcj0dkZusXSywn5t+kfBd/rAfGgMpO77QaS5XZTRCwas0G0hP9cQXE/XPP5kQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=weissschuh.net; spf=pass smtp.mailfrom=weissschuh.net; dkim=pass (1024-bit key) header.d=weissschuh.net header.i=@weissschuh.net header.b=tLcqbmWn; arc=none smtp.client-ip=159.69.126.157 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=weissschuh.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=weissschuh.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=weissschuh.net header.i=@weissschuh.net header.b="tLcqbmWn" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=weissschuh.net; s=mail; t=1732735246; bh=nbtK+ExfnhyZ5gIuDVa+ktGgkDaweYMcUS0HqG+YpRw=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=tLcqbmWncVQtNYbVmUS4nz2f9F8Sx7+sQ72Vs2nHeofqor4aTS3Il377VCKRGDT7Q dKW3SknUt3I14pxhEcaF/reEIcmCbarycyi41v4gBcbJ2FACOmrnB4Gf0+y+eNVCDM 88W4vgzgoW0v+q70nDmi49oCKF5tVMYU1tx/pbMI= From: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= Date: Wed, 27 Nov 2024 20:15:28 +0100 Subject: [PATCH bpf-next 9/9] sched_ext: Constify BPF ops Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20241127-bpf-const-ops-v1-9-a698b8d58680@weissschuh.net> References: <20241127-bpf-const-ops-v1-0-a698b8d58680@weissschuh.net> In-Reply-To: <20241127-bpf-const-ops-v1-0-a698b8d58680@weissschuh.net> To: "David S. Miller" , David Ahern , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , Martin KaFai Lau , Kui-Feng Lee , Alexei Starovoitov , Daniel Borkmann , John Fastabend , Andrii Nakryiko , Martin KaFai Lau , Eduard Zingerman , Song Liu , Yonghong Song , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa , Jiri Kosina , Benjamin Tissoires , Tejun Heo , David Vernet , Ingo Molnar , Peter Zijlstra , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Steven Rostedt , Ben Segall , Mel Gorman , Valentin Schneider Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, bpf@vger.kernel.org, linux-input@vger.kernel.org, =?utf-8?q?Thomas_Wei?= =?utf-8?q?=C3=9Fschuh?= X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1732735245; l=1292; i=linux@weissschuh.net; s=20221212; h=from:subject:message-id; bh=nbtK+ExfnhyZ5gIuDVa+ktGgkDaweYMcUS0HqG+YpRw=; b=5zWiiR7OeqVtKBCAJqaHUdaXLiAsRczQ+k3xFIAeIbrkbMHLGvOzyXVhTwQ3uzOF+d0gwO38M 3MftYCnHb5cDCybqRyCLbxCaiQaluJkIYv+kFJkBeG3IpjA8QsuHTkB X-Developer-Key: i=linux@weissschuh.net; a=ed25519; pk=KcycQgFPX2wGR5azS7RhpBqedglOZVgRPfdFSPB1LNw= X-Patchwork-Delegate: bpf@iogearbox.net The BPF core now allows the registration of read-only ops tables, make use of it. Signed-off-by: Thomas Weißschuh --- kernel/sched/ext.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/sched/ext.c b/kernel/sched/ext.c index 7fff1d0454770f5fab3e13708816d56653637ee9..6d3cced2951f61b73e6779edfb62b63c1ab62093 100644 --- a/kernel/sched/ext.c +++ b/kernel/sched/ext.c @@ -5914,7 +5914,7 @@ static void sched_ext_ops__dump(struct scx_dump_ctx *ctx) {} static void sched_ext_ops__dump_cpu(struct scx_dump_ctx *ctx, s32 cpu, bool idle) {} static void sched_ext_ops__dump_task(struct scx_dump_ctx *ctx, struct task_struct *p) {} -static struct sched_ext_ops __bpf_ops_sched_ext_ops = { +static const struct sched_ext_ops __bpf_ops_sched_ext_ops = { .select_cpu = sched_ext_ops__select_cpu, .enqueue = sched_ext_ops__enqueue, .dequeue = sched_ext_ops__dequeue, @@ -5952,7 +5952,7 @@ static struct sched_ext_ops __bpf_ops_sched_ext_ops = { .dump_task = sched_ext_ops__dump_task, }; -static struct bpf_struct_ops bpf_sched_ext_ops = { +static const struct bpf_struct_ops bpf_sched_ext_ops = { .verifier_ops = &bpf_scx_verifier_ops, .reg = bpf_scx_reg, .unreg = bpf_scx_unreg,