From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-43170.protonmail.ch (mail-43170.protonmail.ch [185.70.43.170]) (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 E313B3BCD34; Fri, 29 May 2026 11:45:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.70.43.170 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780055105; cv=none; b=KDEXNxGaJuedj8tAMGOkCcmrybkv8YZQ0G4SCgA7/qfxzcY3QsJI522il8VVN21KdSfOSvlSK3IoPB/qo6OYIYcsFL4GSd0OMHb+4p3PXW7e+E59iVV4sg2iqPCg7aJz7qHwDc8iRcXjjzR5Bk056hnRUXji+djClsTHyXNwrQY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780055105; c=relaxed/simple; bh=r2V3NNmJ1FMNs2qXlSBmdvHpo127A6yMdpacTbf8yWo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=onk0wHGrH9GX0dCaFpKhqM15bD8pXJ8yFM/btqtWn4E0IFxX4JI/gyL9jBPmKIG5k50jCg2JCs2MItC2ltB8Z0r8lI8dVCCtQrlPoitRa8OKmKGeWLJx5x0Yl7NhQwYOoFJY8A5+w+O9lpWuo3xJPqo0bAwDvPfpTzlvjbCfH8c= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=onurozkan.dev; spf=pass smtp.mailfrom=onurozkan.dev; dkim=pass (2048-bit key) header.d=onurozkan.dev header.i=@onurozkan.dev header.b=dpe213dl; arc=none smtp.client-ip=185.70.43.170 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=onurozkan.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=onurozkan.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=onurozkan.dev header.i=@onurozkan.dev header.b="dpe213dl" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=onurozkan.dev; s=protonmail; t=1780055099; x=1780314299; bh=r/4/lCxneay9Wm1Is0SI8vp62o6LmcLfnaBDeJWkaUY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References:From:To: Cc:Date:Subject:Reply-To:Feedback-ID:Message-ID:BIMI-Selector; b=dpe213dlMyiaUNkfsvA0AEoEWws2Scuk1SHxjaYNIV1VYWC3pecvnoIIU+7V3w67e N40GBPRaBX6algC6NL2wcxKgZ+MvfSggPKU2qDr6ooMGxco5LC41yQ93KqLALuu+eN t/tP9gNqPqbWSBVcBk3no8l+ph1yd9VPzKezwt+3b2S1Qo3yf/X9adtgzhlGZ4+ecj 8NKEkz70g6Kjfi8w3IaIgZKoTBXRiv0ZeYBM8mECOgRe2SgUwUdGj/hfT40gCqpQ5A M6t3egmnLNJsRsJbWvWJ4QZdwCORczngm6DP3rtuY/eGMLF4mbzMXehJmxjoGHc4KE 7lHpGoSA277Cw== X-Pm-Submission-Id: 4gRhNn1K5rz1DDLg From: =?UTF-8?q?Onur=20=C3=96zkan?= To: rcu@vger.kernel.org, rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org Cc: ojeda@kernel.org, boqun@kernel.org, gary@garyguo.net, bjorn3_gh@protonmail.com, lossin@kernel.org, a.hindborg@kernel.org, aliceryhl@google.com, tmgross@umich.edu, dakr@kernel.org, peterz@infradead.org, fujita.tomonori@gmail.com, tamird@kernel.org, jiangshanlai@gmail.com, paulmck@kernel.org, josh@joshtriplett.org, rostedt@goodmis.org, mathieu.desnoyers@efficios.com, =?UTF-8?q?Onur=20=C3=96zkan?= Subject: [PATCH v8 1/4] rust: helpers: add SRCU helpers Date: Fri, 29 May 2026 14:43:50 +0300 Message-ID: <20260529114449.112066-2-work@onurozkan.dev> X-Mailer: git-send-email 2.51.2 In-Reply-To: <20260529114449.112066-1-work@onurozkan.dev> References: <20260529114449.112066-1-work@onurozkan.dev> Precedence: bulk X-Mailing-List: rust-for-linux@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add helper wrappers for SRCU functions that are exposed to Rust through generated bindings. Reviewed-by: Paul E. McKenney Signed-off-by: Onur Özkan --- include/linux/srcu.h | 5 +++++ rust/helpers/helpers.c | 1 + rust/helpers/srcu.c | 30 ++++++++++++++++++++++++++++++ 3 files changed, 36 insertions(+) create mode 100644 rust/helpers/srcu.c diff --git a/include/linux/srcu.h b/include/linux/srcu.h index 81b1938512d5..790a4ef713c0 100644 --- a/include/linux/srcu.h +++ b/include/linux/srcu.h @@ -57,6 +57,11 @@ int __init_srcu_struct_fast_updown(struct srcu_struct *ssp, const char *name, #else /* #ifdef CONFIG_DEBUG_LOCK_ALLOC */ int init_srcu_struct(struct srcu_struct *ssp); +static inline int __init_srcu_struct(struct srcu_struct *ssp, const char *name, + struct lock_class_key *key) +{ + return init_srcu_struct(ssp); +} #ifndef CONFIG_TINY_SRCU int init_srcu_struct_fast(struct srcu_struct *ssp); int init_srcu_struct_fast_updown(struct srcu_struct *ssp); diff --git a/rust/helpers/helpers.c b/rust/helpers/helpers.c index 625921e27dfb..f3562d3b3888 100644 --- a/rust/helpers/helpers.c +++ b/rust/helpers/helpers.c @@ -88,6 +88,7 @@ #include "signal.c" #include "slab.c" #include "spinlock.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 000000000000..225b3bf9334a --- /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); +} -- 2.51.2