From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 5462F2BDC0E; Thu, 16 Jul 2026 00:28:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784161706; cv=none; b=mdsm1m2MAafOvigbxBrO5EHyikjBHfKVu+Bls1iSz9FiEwsj1oMkV9GL5rraLN2gVMiKZ0Vzm6VeQdsd5sgoslSKOWW1rnyUlnVKRowLbSj0+ZZ9JmyR1fzuS0ZRutkpnWQytGIzt6VcYp9/2tdc6HWXwnA6ymb/BsOOtmlwub8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784161706; c=relaxed/simple; bh=+HYh5TWo+jZqzQyJt7hUZ8rs2CoiXqjr6mKGvkYHPIs=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version:Content-Type; b=I7BzI3tKyrCeqXS153VWhm1NPKG08tpP58Rwpyr2+/YzPbLrqiMQLq6vLu/83XvzouGNl6gw/MTbJVipVbsvUurZtMRjYg98O3jfJ9utpcq+vNyIihosMtSKbLYHfUzLjnEPbSnfUFBqTTyxB5ZhgiN1s0TMw4UX0mGkUziN6Lw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=GuHWoaWL; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="GuHWoaWL" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 18D921F00A3A; Thu, 16 Jul 2026 00:28:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1784161705; bh=0G/9lixuEcp8q2iCYDzp4XsrGAmvKvdV//8mCb/bJqE=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=GuHWoaWLQu27woEyUzKnS6HxUYTPAnbQXGY3emFC7Oz6lKMCe3vLD2KWWxmiDEvDc xa0Bl2XuFEeYP2u5h9MKf8KFkJ1cmZ0C6OPufaj0Oce5wiRw8OLwMeWgnzm0+SQKAH ZSwCoAuig27MVpjg6mygeOYVqyMmDhNIZKXIe3+0ZF2bjC7MGE/80+U0E6I3nbbxFZ E4X4UqcRGBtVYBuS/zCsWk7oPGi/9SpeSq+GeP1MWfTvngK5TZ5T0jVnB38WTPKKiK rvKCC+vjupQi+v+GKrZH3s2iooQnmOwtZ4tkqECI3gtjX4TpDbU0uOSVi922khxIb8 fVeNwhGttmhBA== Received: by paulmck-ThinkPad-P17-Gen-1.home (Postfix, from userid 1000) id E2284CE0B87; Wed, 15 Jul 2026 17:28:24 -0700 (PDT) From: "Paul E. McKenney" To: rcu@vger.kernel.org Cc: linux-kernel@vger.kernel.org, kernel-team@meta.com, rostedt@goodmis.org, =?UTF-8?q?Onur=20=C3=96zkan?= , Gary Guo , Alice Ryhl , Boqun Feng , "Paul E . McKenney" Subject: [PATCH 2/6] rust: helpers: add SRCU helpers Date: Wed, 15 Jul 2026 17:28:19 -0700 Message-Id: <20260716002823.12176-2-paulmck@kernel.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Onur Özkan Add helper wrappers for SRCU functions that are exposed to Rust through generated bindings. Signed-off-by: Onur Özkan Reviewed-by: Gary Guo Reviewed-by: Alice Ryhl Reviewed-by: Boqun Feng Signed-off-by: Paul E. McKenney --- rust/helpers/helpers.c | 1 + rust/helpers/srcu.c | 30 ++++++++++++++++++++++++++++++ 2 files changed, 31 insertions(+) create mode 100644 rust/helpers/srcu.c diff --git a/rust/helpers/helpers.c b/rust/helpers/helpers.c index 998e31052e6601..35954f38ff6a4e 100644 --- a/rust/helpers/helpers.c +++ b/rust/helpers/helpers.c @@ -91,6 +91,7 @@ #include "slab.c" #include "spinlock.c" #include "string.c" +#include "srcu.c" #include "sync.c" #include "task.c" #include "time.c" diff --git a/rust/helpers/srcu.c b/rust/helpers/srcu.c new file mode 100644 index 00000000000000..225b3bf9334a8f --- /dev/null +++ b/rust/helpers/srcu.c @@ -0,0 +1,30 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include + +__rust_helper int rust_helper_init_srcu_struct_with_key(struct srcu_struct *ssp, + const char *name, + struct lock_class_key *key) +{ + return __init_srcu_struct(ssp, name, key); +} + +__rust_helper int rust_helper_srcu_read_lock(struct srcu_struct *ssp) +{ + return srcu_read_lock(ssp); +} + +__rust_helper void rust_helper_srcu_read_unlock(struct srcu_struct *ssp, int idx) +{ + srcu_read_unlock(ssp, idx); +} + +__rust_helper void rust_helper_srcu_barrier(struct srcu_struct *ssp) +{ + srcu_barrier(ssp); +} + +__rust_helper void rust_helper_synchronize_srcu_expedited(struct srcu_struct *ssp) +{ + synchronize_srcu_expedited(ssp); +} -- 2.40.1