From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 0288B3FBA7 for ; Sun, 2 Nov 2025 14:44:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762094661; cv=none; b=VllAkT+NSewAGnZ1Y+wuhFfb1JzrunngHYY07yS8gxKXDaUfZ6MoUCa7W+Himt+44A6rv4wvhAw4lgUQ2XDc1gXlSAMcVeyB5M8r6gg6MWQ0CU4G5w6ObvQIcihOw9n0JjpFyyL+F2t26Hye7AA32IocW1QypWla7Avly1kDhCs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762094661; c=relaxed/simple; bh=0RlwnpqB+Fz9axEfnkqY4HO6FS/C1FMqPRBvuplNs9M=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=R/iQz66+3pmivERbyjG3S+YGAY3Oqsk7K7YjPQnVzG2KRLyOgQCo9iiWxfez0GKZcA3IqkQgz5KS1+dBvd+iwtIAU7LtJNc+zuchnXnozFhTyMgMeqf29yvkKZb/ou/XTFbDbMa8E/5q25aGcB89hqKDsWRenZYCwPXwc0LQKdw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=pkyxJ27o; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="pkyxJ27o" Received: by smtp.kernel.org (Postfix) with ESMTPSA id F2F36C4CEF7; Sun, 2 Nov 2025 14:44:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1762094660; bh=0RlwnpqB+Fz9axEfnkqY4HO6FS/C1FMqPRBvuplNs9M=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pkyxJ27oZ0pUq/cJtLiUbAa/6jIlRm21nScri5vxZRHLkljIKSFDnLKDp5qkbT1Nq GVL2vC4EL24Y+ms+kH+A68XvuVswZDJojil5msieozMjxzQGTUJaJGqrkGZWuu2DtV uAOEg2b6PHgsgXaGAfN0kXGwNoooiJnE5WYCeJfTEHGSCU5LccalmeF9ab3o0rNtA0 7kwd3NbIDhJM6xfPaW9RDyv+hQ6W2eOjWN19gjiSeVFVhTKkI+aomr5DMJU/YcQJyn su8jWlVTMgXsHn+UBTj/mNg69DbANPq5iC8AhxEm6DnZn5DZE7rrGDiNG8+BCpswmx UFg2QWHAyDYrw== From: Sasha Levin To: stable@vger.kernel.org Cc: Tejun Heo , Andrea Righi , Sasha Levin Subject: [PATCH 6.12.y] sched_ext: Mark scx_bpf_dsq_move_set_[slice|vtime]() with KF_RCU Date: Sun, 2 Nov 2025 09:44:17 -0500 Message-ID: <20251102144417.3456382-1-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <2025110231-exposable-prelude-6f67@gregkh> References: <2025110231-exposable-prelude-6f67@gregkh> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Tejun Heo [ Upstream commit 54e96258a6930909b690fd7e8889749231ba8085 ] scx_bpf_dsq_move_set_slice() and scx_bpf_dsq_move_set_vtime() take a DSQ iterator argument which has to be valid. Mark them with KF_RCU. Fixes: 4c30f5ce4f7a ("sched_ext: Implement scx_bpf_dispatch[_vtime]_from_dsq()") Cc: stable@vger.kernel.org # v6.12+ Acked-by: Andrea Righi Signed-off-by: Tejun Heo [ scx_bpf_dsq_move_set_* => scx_bpf_dispatch_from_dsq_set_* ] Signed-off-by: Sasha Levin --- kernel/sched/ext.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/kernel/sched/ext.c b/kernel/sched/ext.c index 563a7dc2ece6f..be2e836e10e93 100644 --- a/kernel/sched/ext.c +++ b/kernel/sched/ext.c @@ -6493,8 +6493,8 @@ BTF_KFUNCS_START(scx_kfunc_ids_dispatch) BTF_ID_FLAGS(func, scx_bpf_dispatch_nr_slots) BTF_ID_FLAGS(func, scx_bpf_dispatch_cancel) BTF_ID_FLAGS(func, scx_bpf_consume) -BTF_ID_FLAGS(func, scx_bpf_dispatch_from_dsq_set_slice) -BTF_ID_FLAGS(func, scx_bpf_dispatch_from_dsq_set_vtime) +BTF_ID_FLAGS(func, scx_bpf_dispatch_from_dsq_set_slice, KF_RCU) +BTF_ID_FLAGS(func, scx_bpf_dispatch_from_dsq_set_vtime, KF_RCU) BTF_ID_FLAGS(func, scx_bpf_dispatch_from_dsq, KF_RCU) BTF_ID_FLAGS(func, scx_bpf_dispatch_vtime_from_dsq, KF_RCU) BTF_KFUNCS_END(scx_kfunc_ids_dispatch) @@ -6593,8 +6593,8 @@ __bpf_kfunc_end_defs(); BTF_KFUNCS_START(scx_kfunc_ids_unlocked) BTF_ID_FLAGS(func, scx_bpf_create_dsq, KF_SLEEPABLE) -BTF_ID_FLAGS(func, scx_bpf_dispatch_from_dsq_set_slice) -BTF_ID_FLAGS(func, scx_bpf_dispatch_from_dsq_set_vtime) +BTF_ID_FLAGS(func, scx_bpf_dispatch_from_dsq_set_slice, KF_RCU) +BTF_ID_FLAGS(func, scx_bpf_dispatch_from_dsq_set_vtime, KF_RCU) BTF_ID_FLAGS(func, scx_bpf_dispatch_from_dsq, KF_RCU) BTF_ID_FLAGS(func, scx_bpf_dispatch_vtime_from_dsq, KF_RCU) BTF_KFUNCS_END(scx_kfunc_ids_unlocked) -- 2.51.0