From nobody Mon Feb 9 03:45:25 2026 Received: from mail-lj1-f226.google.com (mail-lj1-f226.google.com [209.85.208.226]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B8981126F0A for ; Wed, 31 Dec 2025 17:37:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.208.226 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767202651; cv=none; b=JuTA6TBzICxp2rksA5JN0/pQueFCCS8XYLexjKPAOJdUFTwzjqGG5ykn9fc5BgzTJEifySvREWsaRCVqX+XXySuBky4ymBkccj4elY/JKTovhXeaQjUneuyvX5wdNwhvAPP8lgSf/T9f3raNLqkv2rgl+QxW18aD8kwZADWVkuY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767202651; c=relaxed/simple; bh=b8KXgdkuB2rBCBMKoOj23zAGkLun2ndQut4LRQn9YLA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=sSZeC7h5qj0DHXqLx7mZW0S7Oy633lsr7cE8GPv2TffnUcPRbsvDmmoJ0UPMkPmA9Eb/0BFsxTK4TTSSxioa6rfsQ76JeWSKi/Q8LAoZz9GBAkWcKKy8N2dYrJsbVAkfiQOYZ/WzUVGM0SqwhnIbmgZv5O/bWVbvShH9E6NknTI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=purestorage.com; spf=fail smtp.mailfrom=purestorage.com; dkim=pass (2048-bit key) header.d=purestorage.com header.i=@purestorage.com header.b=B65Bki7b; arc=none smtp.client-ip=209.85.208.226 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=purestorage.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=purestorage.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=purestorage.com header.i=@purestorage.com header.b="B65Bki7b" Received: by mail-lj1-f226.google.com with SMTP id 38308e7fff4ca-380091744caso11509571fa.0 for ; Wed, 31 Dec 2025 09:37:28 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=purestorage.com; s=google2022; t=1767202646; x=1767807446; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=Z65KNwFWdBB4vKMl4Q2RH4hcwYRlqC7hzCG8+fs8pqw=; b=B65Bki7bNr5asR8gLT4UQO5QpsWvo24HYhFuxdOGrbh73k/Zr92fazIv6voAUW/2PU NRPRaa4XHs2xXve3L2aLfmP/X3GSNnom4rxPzZrxyrixO6Ux7nOIe8iYhtQ1ssVInkFM iAp3yel9cShgORh0d//av01ytc7Rj2cNdxJvUhhQHfIos3TiTrVRDeOu1/02104vqjtG RRS0sSH3EaSEgt6jotTfiemRL79/aQhhbmW0ch3pRyntq2bKZpwNL8WVuqLaJLpRtFGy ldEpIkoNzRCn8ozbNaHEkZRfejpnWZArPOsmBAtc2jDNT1N+OMNTUhmTxc0XZcfCIgaE gYww== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1767202646; x=1767807446; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=Z65KNwFWdBB4vKMl4Q2RH4hcwYRlqC7hzCG8+fs8pqw=; b=pW82wOUE8wmGhNnuwtqaXs/Nqojmu2c7g50AoDjK6T0xiaRqnAu+ZcEq/t6dEGCjy2 HoVwwiFebBn1MmMmmOibmDWRDdeSUshuSip7FT6G3a9wFW2//xsWTZOpj5Buoh2VDwLj oBDFDKVE82eqt5ZSrcyxWhEsS6AiWMo55dRqaxUhWFJEuUDFG2S2btVunu7kHUH+BHn5 Hx5c5g+Lt2/wsLS2WErCDgrP43n6Fri/sRiH72a16aLYpyqL8PI2FsXei/d+XVhSshw6 nnheRvcTiXciqYU7Z+zNJPPVXK0IDxeuU6fH8UuZEj+sO63gZhewUBzZhDypUpGjOKmR piRw== X-Forwarded-Encrypted: i=1; AJvYcCVILMHMmKc4u/ocGiT0JZCrXRHW4tdwRlL0ygxvWN4gKPBazADWeojEPD3RZG0LJncx0RDBISM7Oe0B+jk=@vger.kernel.org X-Gm-Message-State: AOJu0YxV2YKiyNu6v1Sfr5nl8o6YzGgeGvMloHghJZmmzVlai4lyXpJU OrLZeCiqrZV604YeeOumVSEjy2wBEfo1bR7uzgJkTfPaAymAbRAv2wMn7TfTjzW8wHYODLAjMfh xrT4DZFePldaSWUga7+YjK77FEXh1fXNPDGzA X-Gm-Gg: AY/fxX449Ts4tjkvO7E+zoC3h7QNWGiuRrTbWNBvj408U9/lCUfI4HRQKnCwMe5c0fS ooTjPA2vPp/pcWVoRqAv26RSEtFta5o5FS6efiqutNRRlEv3c0KjUPxIe+zraKSkE/raXtZADxG 5vi5R6ywTHg1PcaBKvciILh4nbc8A0D381DSvMFh5Z4PiqrqE5EIhvqfZ64FqgY7tf9qVvtchHl iv281KAndxEYgq+1l4EIHXRbAzMF1xVqwT7vZ454cf3cl12purjH6gemV2NA9//S6lxQ45qiARS BMeoYeaiEpglSs5p/x3hJxFIwQbTV7KEJGHIQthq9bpvKNctvINQtxx3YFcllv5NFFD9k3nnP2O JBE5CXjwQEY7sr08CIqJG+lD5ImKllZT0wX8VJ1GAjg== X-Google-Smtp-Source: AGHT+IHDF3ca8umxceWHVP6etyuOqrKJuvP7YcuUqaxQdob64KBatF2Z5P+pEZdYR5Wycxsg5VpsXr4tuz+m X-Received: by 2002:a05:6512:3a84:b0:592:f383:3aad with SMTP id 2adb3069b0e04-59a17df4092mr7765992e87.8.1767202645513; Wed, 31 Dec 2025 09:37:25 -0800 (PST) Received: from c7-smtp-2023.dev.purestorage.com ([208.88.159.128]) by smtp-relay.gmail.com with ESMTPS id 2adb3069b0e04-59a18637640sm7186949e87.29.2025.12.31.09.37.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 31 Dec 2025 09:37:25 -0800 (PST) X-Relaying-Domain: purestorage.com Received: from dev-csander.dev.purestorage.com (dev-csander.dev.purestorage.com [10.49.34.222]) by c7-smtp-2023.dev.purestorage.com (Postfix) with ESMTP id 293C9341FB6; Wed, 31 Dec 2025 10:37:22 -0700 (MST) Received: by dev-csander.dev.purestorage.com (Postfix, from userid 1557716354) id 22C62E4234A; Wed, 31 Dec 2025 10:37:22 -0700 (MST) From: Caleb Sander Mateos To: Jiri Kosina , Benjamin Tissoires , 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 , Tejun Heo , David Vernet , Andrea Righi , Changwoo Min , Ingo Molnar , Peter Zijlstra , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Steven Rostedt , Ben Segall , Mel Gorman , Valentin Schneider , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , David Ahern , Jamal Hadi Salim , Cong Wang , Jiri Pirko , "D. Wythe" , Dust Li , Sidraya Jayagond , Wenjia Zhang , Mahanta Jambigi , Tony Lu , Wen Gu , Shuah Khan , Maxime Coquelin , Alexandre Torgue Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, bpf@vger.kernel.org, netdev@vger.kernel.org, sched-ext@lists.linux.dev, linux-rdma@vger.kernel.org, linux-s390@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, Caleb Sander Mateos Subject: [PATCH 3/5] sched_ext: make __bpf_ops_sched_ext_ops const Date: Wed, 31 Dec 2025 10:36:31 -0700 Message-ID: <20251231173633.3981832-4-csander@purestorage.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20251231173633.3981832-1-csander@purestorage.com> References: <20251231173633.3981832-1-csander@purestorage.com> 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 Content-Type: text/plain; charset="utf-8" Now that struct bpf_struct_ops's cfi_stubs field is a const pointer, declare the __bpf_ops_sched_ext_ops global variable it points to as const. This allows the global variable to be placed in readonly memory. Signed-off-by: Caleb Sander Mateos --- kernel/sched/ext.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/sched/ext.c b/kernel/sched/ext.c index 94164f2dec6d..af8250b64f47 100644 --- a/kernel/sched/ext.c +++ b/kernel/sched/ext.c @@ -5336,11 +5336,11 @@ static s32 sched_ext_ops__init(void) { return -EINV= AL; } static void sched_ext_ops__exit(struct scx_exit_info *info) {} 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, boo= l idle) {} static void sched_ext_ops__dump_task(struct scx_dump_ctx *ctx, struct task= _struct *p) {} =20 -static struct sched_ext_ops __bpf_ops_sched_ext_ops =3D { +static const struct sched_ext_ops __bpf_ops_sched_ext_ops =3D { .select_cpu =3D sched_ext_ops__select_cpu, .enqueue =3D sched_ext_ops__enqueue, .dequeue =3D sched_ext_ops__dequeue, .dispatch =3D sched_ext_ops__dispatch, .tick =3D sched_ext_ops__tick, --=20 2.45.2