From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-106113.protonmail.ch (mail-106113.protonmail.ch [79.135.106.113]) (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 A0371331222; Thu, 28 May 2026 06:28:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=79.135.106.113 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779949705; cv=none; b=n+1nFsMr00FGFf03fyi4i5/ykYnVxJmGaWcjpka1ieW6B5KDw76Ct9UCTUKycxe4jVqRe6UiQC04HSKgVKm4tsNYNJ4ob3HOQnS7eZ89BBQ/pj0SsFzrYQ9ateCCnwHlMLWwycXSavAZpcSekQG3VNKUiH6R/wxOiA+Kk2u8PJ4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779949705; c=relaxed/simple; bh=BJGCuTwKXnb7xtObAQRjjs/n0+cYOdiYTtYroZHcwEE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=bzpn02Tke38FZgxXoBYy9DNOS80ZDUsbatXt0ZUuhxQ4NfFiWJ8rv1Kq9SeYt/H0lpfsSUYoEa+jWlCVuk2S6/GaR1wmNQBtw7HNHdkdhXCMIhXX+84cVQ0M9FGyiJaf3+C8etqL+w29Ty0EdWoze2msWYuL+erobnPvxYZSl7g= 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=nes94oZI; arc=none smtp.client-ip=79.135.106.113 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="nes94oZI" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=onurozkan.dev; s=protonmail; t=1779949698; x=1780208898; bh=JFj8bpASKdO/Q6l1EDIhoBmA4UrdA23CFVdITf9usiQ=; 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=nes94oZIHmE0wxBXW7AyOlmGRw3fEL2uX5ZUZ0KVorStmhwZ1E7G7mDBV2/1LPt8S vpCa29hNy7ABaZCo9b6IZZ1wK9vXvPEAU18yeYKUG6NKqyq7eOuFI4NsgNNqKnGaBO iIZK/3gbgB2xlbqzuotdIyYhdjJeAchii5hOc3LITCRdki4CcG//2aKXFH8GdLzRxs cYcc8Z9pyfmkwS/oqFVRAH37bbhxPSJ0BmBxHptsxbeE1INpaIrCshtM2GH5bwtbcQ XzasH74zAqqEgLk6/ARAB4rakVb+8jZkZRfPmXKWi1WaPpk/+Hpb5HXsOQ52SlEmNB D8miATct38AFw== X-Pm-Submission-Id: 4gQxPq0Sf1z2ScXC 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 v7 1/4] rust: helpers: add SRCU helpers Date: Thu, 28 May 2026 09:27:33 +0300 Message-ID: <20260528062810.256212-2-work@onurozkan.dev> X-Mailer: git-send-email 2.51.2 In-Reply-To: <20260528062810.256212-1-work@onurozkan.dev> References: <20260528062810.256212-1-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. 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