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 2EFF02D77FA; Wed, 25 Feb 2026 05:01:13 +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=1771995673; cv=none; b=MdHuMS8gnPFz0cXSEALzUX70MYenyu2e1LIKRZT2zzUrpaosKtkVw8eRM/WkBzMBaRTxkugjTR2bKNlIT+aKzIo4x8WL5FxNoIpr+445zYwr1Fwpz6UW+PmD5GoF2XKKzCgMTjzcS0ahMaf3f5pNQ9OT6eztnltkyiHvf8a/nzA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771995673; c=relaxed/simple; bh=nC/y+Q1GXw/2eyYYfy80AaGlsw6Nuh7Pb1KJE/rv2U8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=LQ13cnlO3TwnM4urkdAeM+Zs+Lxjt7g0cDYHIe96Vk2zWDwJ/1ZxlQA04fePIO8Zg6NBPjV5jC4gpf5IQWtl3Y0lVWkKn8sNSDxuXPXdatLlbfRw9xhlfoVCVeItyjEd9WoZJiUkU8NayVL6D6cMMLf91nIr0E3LUYpUGAJhSm8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=abDuhjD4; 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="abDuhjD4" Received: by smtp.kernel.org (Postfix) with ESMTPSA id BB2FCC19422; Wed, 25 Feb 2026 05:01:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1771995672; bh=nC/y+Q1GXw/2eyYYfy80AaGlsw6Nuh7Pb1KJE/rv2U8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=abDuhjD4ZYLJR6VOWISRW61bxiQQnY+ZyDcklm1xqbbX20zDGDhyPIT+GtHJ4opdD 3jv2ZNk9C6Nirabaz4aPipL6CaLvuyJInJryfrPcbVZNi8Lp3Zi0fXZgKjclUU0GwE /nCXzg8y6E+n4OwxEgWcJ0MN6UjOeVr4jWebrUdz54/Aq+RI34ylJQm9R7GdFtL1aN FQEO5gN8/9za/iz6bC2aZFJtbWlrPDEOckjEF+V2Df9PBXrS2pc1yabBOojMFmP2YG dSAcTkbfuih5pncr9ynAO254eMgwWLEMh13/aH/1IpQ5Ytx5FjXPF0QLmjt7KL1XnW EO0CgXugXaHmA== From: Tejun Heo To: linux-kernel@vger.kernel.org, sched-ext@lists.linux.dev Cc: void@manifault.com, arighi@nvidia.com, changwoo@igalia.com, emil@etsalapatis.com, hannes@cmpxchg.org, mkoutny@suse.com, cgroups@vger.kernel.org, Tejun Heo , Peter Zijlstra Subject: [PATCH 02/34] sched_ext: Add @kargs to scx_fork() Date: Tue, 24 Feb 2026 19:00:37 -1000 Message-ID: <20260225050109.1070059-3-tj@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260225050109.1070059-1-tj@kernel.org> References: <20260225050109.1070059-1-tj@kernel.org> Precedence: bulk X-Mailing-List: cgroups@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Make sched_cgroup_fork() pass @kargs to scx_fork(). This will be used to determine @p's cgroup for cgroup sub-sched support. Signed-off-by: Tejun Heo Cc: Peter Zijlstra --- kernel/sched/core.c | 2 +- kernel/sched/ext.c | 2 +- kernel/sched/ext.h | 4 ++-- 3 files changed, 4 insertions(+), 4 deletions(-) diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 759777694c78..7ba80220a276 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -4721,7 +4721,7 @@ int sched_cgroup_fork(struct task_struct *p, struct kernel_clone_args *kargs) p->sched_class->task_fork(p); raw_spin_unlock_irqrestore(&p->pi_lock, flags); - return scx_fork(p); + return scx_fork(p, kargs); } void sched_cancel_fork(struct task_struct *p) diff --git a/kernel/sched/ext.c b/kernel/sched/ext.c index 25b9b488ed1f..edc88c1f744d 100644 --- a/kernel/sched/ext.c +++ b/kernel/sched/ext.c @@ -3167,7 +3167,7 @@ void scx_pre_fork(struct task_struct *p) percpu_down_read(&scx_fork_rwsem); } -int scx_fork(struct task_struct *p) +int scx_fork(struct task_struct *p, struct kernel_clone_args *kargs) { percpu_rwsem_assert_held(&scx_fork_rwsem); diff --git a/kernel/sched/ext.h b/kernel/sched/ext.h index 43429b33e52c..0b7fc46aee08 100644 --- a/kernel/sched/ext.h +++ b/kernel/sched/ext.h @@ -11,7 +11,7 @@ void scx_tick(struct rq *rq); void init_scx_entity(struct sched_ext_entity *scx); void scx_pre_fork(struct task_struct *p); -int scx_fork(struct task_struct *p); +int scx_fork(struct task_struct *p, struct kernel_clone_args *kargs); void scx_post_fork(struct task_struct *p); void scx_cancel_fork(struct task_struct *p); bool scx_can_stop_tick(struct rq *rq); @@ -44,7 +44,7 @@ bool scx_prio_less(const struct task_struct *a, const struct task_struct *b, static inline void scx_tick(struct rq *rq) {} static inline void scx_pre_fork(struct task_struct *p) {} -static inline int scx_fork(struct task_struct *p) { return 0; } +static inline int scx_fork(struct task_struct *p, struct kernel_clone_args *kargs) { return 0; } static inline void scx_post_fork(struct task_struct *p) {} static inline void scx_cancel_fork(struct task_struct *p) {} static inline u32 scx_cpuperf_target(s32 cpu) { return 0; } -- 2.53.0