From nobody Mon Jun 8 22:51:56 2026 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 A49C2382F0C; Mon, 25 May 2026 17:57:29 +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=1779731852; cv=none; b=CbPcr5k4buqe36mXMj12lfSvJWu1yBLWBtgSmUYyh573UslfetfLYEo6mMTcMod/+o6wXpht8e3ZX4955auFqEq+0+rID5Sp1Ms2bdP8TN4uE2rnrHYbJ4SEq7uX0MyZU+5V58BBw4QL7wi13v4dATGeFIZtluSyai5MUmDFb3c= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779731852; c=relaxed/simple; bh=AiYYHhQnDBXRUI9uA1z+yKZgFykrG5PGIkYYq/LUh38=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=oNAzxXjsSQcNZ25qVl8q6jwslzYooDx0HXoQ5ZVWvro6JkmMetEUY2Lqe50i/rUQBn462WMbG/u4VUTtkGKL3XxR4EG1p33p/xW/E8JP4unfhHKnK2Zobh8ez3hJ2fhDEOkvGpDvEEfG1KvkOa1YS6KeDmnsreBgt48PZOscXg4= 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=FjXDrjOi; 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="FjXDrjOi" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=onurozkan.dev; s=protonmail; t=1779731838; x=1779991038; bh=iFA0pc/4fnxZD3BhBLp52E7zERRWsWbpT/pe9uVu+0Q=; 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=FjXDrjOisNcvQygkAyj4Pg3YGyLy0r0xMUb5hmcN0utnSPm5wCFjfniTmATwBRiT8 D7nSV5c+0dr4mJYlnwBMJp1a9Y2wYjKPfAyPsvsDOiP/K5oQ3iCEQ3enYfxhMxjVRI id25Wo41wzcGdnbMTN7yBrPWtgk50CRccLweuMgNmmu0nJTBsAFrt6LRrPQA5Hz2jJ jOuNpkr+zsj5bwlG8MSjYIbTraNVBhm8EXtoqsJD2VAOHEIjwuxerukx0t5hNiLAKL ND87je88mMNkmVt6I3zmXEIY9BYqUcAE272XYXaR1sfuwXDC9lEZsA39HOwfKtWUse Rh4CiA4JfZnZA== X-Pm-Submission-Id: 4gPNr84pjGz1DH2n 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 v4 1/3] rust: helpers: add SRCU helpers Date: Mon, 25 May 2026 20:55:49 +0300 Message-ID: <20260525175706.124910-2-work@onurozkan.dev> X-Mailer: git-send-email 2.51.2 In-Reply-To: <20260525175706.124910-1-work@onurozkan.dev> References: <20260525175706.124910-1-work@onurozkan.dev> 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: quoted-printable Add helper wrappers for SRCU functions that are exposed to Rust through generated bindings. Signed-off-by: Onur =C3=96zkan --- rust/helpers/helpers.c | 1 + rust/helpers/srcu.c | 24 ++++++++++++++++++++++++ 2 files changed, 25 insertions(+) create mode 100644 rust/helpers/srcu.c 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..e9f723d7f8c9 --- /dev/null +++ b/rust/helpers/srcu.c @@ -0,0 +1,24 @@ +// 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) +{ +#ifdef CONFIG_DEBUG_LOCK_ALLOC + return __init_srcu_struct(ssp, name, key); +#else /* !CONFIG_DEBUG_LOCK_ALLOC */ + return init_srcu_struct(ssp); +#endif /* CONFIG_DEBUG_LOCK_ALLOC */ +} + +__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, i= nt idx) +{ + srcu_read_unlock(ssp, idx); +} --=20 2.51.2 From nobody Mon Jun 8 22:51:56 2026 Received: from mail-43172.protonmail.ch (mail-43172.protonmail.ch [185.70.43.172]) (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 60C5D32A3F3 for ; Mon, 25 May 2026 17:57:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.70.43.172 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779731853; cv=none; b=jh9/Wwrbz5H2h6AeKI7+rLvTSfkLGi85cH6njesvnWxY2sFDye3RCsMgYnkYIdXniWQVFbaVuH8B6nlFaRsyuW5u3iEC69gFjOnuXTl8RyBW9WlbIt2dn5790fwj0dCWHVixmjxQ6RaZ3x03/tU2LTvWXtcnPFpEu+QzHvPdv0Q= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779731853; c=relaxed/simple; bh=xbUirVN8gW43rt4l2g/hCVL2rHutU91QojgK8+Kfuug=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=cXegqUSGWbRdsStBsCVanvwWK34TrV3hstPcoOizmFN3xjHJOCFBv2CbFs8KxQ2FSUma2Liiy/5eCSFgkPyk7LDm7jTOBDaxGGHmdqhpU+AjRwWACJxmi8ucliVR7OtzW1gGvXb0meEsbz6Tyvp7rtRr6S/d7lQzeEmx32jXyrg= 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=SkYyCH3R; arc=none smtp.client-ip=185.70.43.172 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="SkYyCH3R" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=onurozkan.dev; s=protonmail; t=1779731842; x=1779991042; bh=lPLE18Dhy0/Nu4AsqW+UApaDrTKt0yro8Gn5v2VIF6Y=; 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=SkYyCH3RX2h5UOz/Xh3tnSktfLmTW9wfkncI/wCB2+bQu+yU/rpBEUdF3caNO28y0 upThC4nmyQ39QDQYXA2JvxAOvK13fIuuPwR59DOwgFFAWM1rUvF11D6ixuTPURju0K TEGf0v+P5lp+kDwgY6jH44ikF2Lb2kvOtE71Hwefd5Nblhoj98v/1YtFMntagCu7Tx GHajbDF7MsuHGXEKER6B6t+NmzM9b+ZTu3/qZihT2Uyw+NKyCFKMcPkJNSRIwo65pB esT0iqixwzIe+SZCCH3Prawfu7/90af/yXqk+K2mkTnz85LQpRgTVWlHy4vt2YplbH Z4eBhpQY4Wcgw== X-Pm-Submission-Id: 4gPNrD1Hcbz1DH2j 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 v4 2/3] rust: sync: add SRCU abstraction Date: Mon, 25 May 2026 20:55:50 +0300 Message-ID: <20260525175706.124910-3-work@onurozkan.dev> X-Mailer: git-send-email 2.51.2 In-Reply-To: <20260525175706.124910-1-work@onurozkan.dev> References: <20260525175706.124910-1-work@onurozkan.dev> 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: quoted-printable Add a Rust abstraction for sleepable RCU (SRCU), backed by C srcu_struct. Provide FFI helpers and a safe wrapper with a guard-based API for read-side critical sections. Cleanup is handled via `PinnedDrop`, which explicitly drains pending grace periods and callbacks via `synchronize_srcu` and `srcu_barrier` before executing `cleanup_srcu_struct` to guarantee memory safety e.g. when there are leaked guards (via `mem::forget($guard)`). Signed-off-by: Onur =C3=96zkan --- rust/helpers/srcu.c | 10 +++ rust/kernel/sync.rs | 2 + rust/kernel/sync/srcu.rs | 158 +++++++++++++++++++++++++++++++++++++++ 3 files changed, 170 insertions(+) create mode 100644 rust/kernel/sync/srcu.rs diff --git a/rust/helpers/srcu.c b/rust/helpers/srcu.c index e9f723d7f8c9..79dd24a104ef 100644 --- a/rust/helpers/srcu.c +++ b/rust/helpers/srcu.c @@ -22,3 +22,13 @@ __rust_helper void rust_helper_srcu_read_unlock(struct s= rcu_struct *ssp, int idx { srcu_read_unlock(ssp, idx); } + +__rust_helper void rust_helper_srcu_barrier(struct srcu_struct *ssp) +{ + srcu_barrier(ssp); +} + +__rust_helper void rust_helper_synchronize_srcu_expedited(struct srcu_stru= ct *ssp) +{ + synchronize_srcu_expedited(ssp); +} diff --git a/rust/kernel/sync.rs b/rust/kernel/sync.rs index 993dbf2caa0e..0d6a5f1300c3 100644 --- a/rust/kernel/sync.rs +++ b/rust/kernel/sync.rs @@ -21,6 +21,7 @@ pub mod rcu; mod refcount; mod set_once; +pub mod srcu; =20 pub use arc::{Arc, ArcBorrow, UniqueArc}; pub use completion::Completion; @@ -31,6 +32,7 @@ pub use locked_by::LockedBy; pub use refcount::Refcount; pub use set_once::SetOnce; +pub use srcu::Srcu; =20 /// Represents a lockdep class. /// diff --git a/rust/kernel/sync/srcu.rs b/rust/kernel/sync/srcu.rs new file mode 100644 index 000000000000..655ecddd1320 --- /dev/null +++ b/rust/kernel/sync/srcu.rs @@ -0,0 +1,158 @@ +// SPDX-License-Identifier: GPL-2.0 + +//! Sleepable read-copy update (SRCU) support. +//! +//! C header: [`include/linux/srcu.h`](srctree/include/linux/srcu.h) + +use crate::{ + bindings, + error::to_result, + prelude::*, + sync::LockClassKey, + types::{ + NotThreadSafe, + Opaque, // + }, +}; + +use pin_init::pin_data; + +/// Creates an [`Srcu`] initialiser with the given name and a newly-create= d lock class. +#[doc(hidden)] +#[macro_export] +macro_rules! new_srcu { + ($($name:literal)?) =3D> { + $crate::sync::Srcu::new($crate::optional_name!($($name)?), $crate:= :static_lock_class!()) + }; +} +pub use new_srcu; + +/// Sleepable read-copy update primitive. +/// +/// SRCU readers may sleep while holding the read-side guard. +/// +/// The destructor waits for active readers and callbacks, so it may sleep. +/// If a read-side guard has been leaked, dropping an [`Srcu`] may never r= eturn. +/// +/// # Invariants +/// +/// This represents a valid `struct srcu_struct` initialized by the C SRCU= API +/// and it remains pinned and valid until the pinned destructor runs. +#[repr(transparent)] +#[pin_data(PinnedDrop)] +pub struct Srcu { + #[pin] + inner: Opaque, +} + +impl Srcu { + /// Creates a new SRCU instance. + #[inline] + pub fn new(name: &'static CStr, key: Pin<&'static LockClassKey>) -> im= pl PinInit { + try_pin_init!(Self { + // INVARIANT: On success, the C initializer creates a valid `s= rcu_struct` and + // it remains pinned until `PinnedDrop` runs. + inner <- Opaque::try_ffi_init(|ptr: *mut bindings::srcu_struct= | { + // SAFETY: `ptr` points to valid uninitialised memory for = a `srcu_struct`. + to_result(unsafe { + bindings::init_srcu_struct_with_key(ptr, name.as_char_= ptr(), key.as_ptr()) + }) + }), + }) + } + + /// Enters an SRCU read-side critical section. + /// + /// Leaking the returned [`Guard`] leaves the SRCU read-side critical + /// section active and makes `drop` sleep forever. + #[inline] + pub fn read_lock(&self) -> Guard<'_> { + // SAFETY: By the type invariants, `self` contains a valid `struct= srcu_struct`. + let idx =3D unsafe { bindings::srcu_read_lock(self.inner.get()) }; + + // INVARIANT: `idx` was returned by `srcu_read_lock()` for this `S= rcu`. + Guard { + srcu: self, + idx, + _not_send: NotThreadSafe, + } + } + + /// Waits until all pre-existing SRCU readers have completed. + #[inline] + pub fn synchronize(&self) { + // SAFETY: By the type invariants, `self` contains a valid `struct= srcu_struct`. + unsafe { bindings::synchronize_srcu(self.inner.get()) }; + } + + /// Waits until all pre-existing SRCU readers have completed, expedite= d. + /// + /// This requests a lower-latency grace period than [`Srcu::synchroniz= e`] typically + /// at the cost of higher system-wide overhead. Prefer [`Srcu::synchro= nize`] by default + /// and use this variant only when reducing reset or teardown latency = is more important + /// than the extra cost. + #[inline] + pub fn synchronize_expedited(&self) { + // SAFETY: By the type invariants, `self` contains a valid `struct= srcu_struct`. + unsafe { bindings::synchronize_srcu_expedited(self.inner.get()) }; + } +} + +#[pinned_drop] +impl PinnedDrop for Srcu { + fn drop(self: Pin<&mut Self>) { + let ptr =3D self.inner.get(); + + // `cleanup_srcu_struct()` may return early if readers are still a= ctive. Because `Srcu` + // owns the embedded `srcu_struct`, returning from `drop` in that = state could free memory + // that is still referenced by the C side. + // + // Wait for all readers to complete first. If any `Guard` was leak= ed, `synchronize_srcu()` + // will sleep forever. + // + // SAFETY: By the type invariants, `self` contains a valid and pin= ned `struct srcu_struct`. + unsafe { bindings::synchronize_srcu(ptr) }; + + // Ensure all SRCU callbacks have been finished before freeing. + // SAFETY: By the type invariants, `self` contains a valid and pin= ned `struct srcu_struct`. + unsafe { bindings::srcu_barrier(ptr) }; + + // SAFETY: By the type invariants, `self` contains a valid and pin= ned `struct srcu_struct`. + unsafe { bindings::cleanup_srcu_struct(ptr) }; + } +} + +// SAFETY: `srcu_struct` may be shared and used across threads. +unsafe impl Send for Srcu {} +// SAFETY: `srcu_struct` may be shared and used concurrently. +unsafe impl Sync for Srcu {} + +/// Guard for an active SRCU read-side critical section on a particular [`= Srcu`]. +/// +/// Leaking this guard with [`core::mem::forget`] leaves the SRCU read-side +/// critical section active and makes dropping the associated [`Srcu`] sle= ep forever. +/// +/// # Invariants +/// +/// `idx` is the index returned by `srcu_read_lock()` for `srcu`. +#[must_use =3D "if unused, the lock will be immediately unlocked"] +pub struct Guard<'a> { + srcu: &'a Srcu, + idx: i32, + _not_send: NotThreadSafe, +} + +impl Guard<'_> { + /// Explicitly releases the SRCU read-side critical section. + #[inline] + pub fn unlock(self) {} +} + +impl Drop for Guard<'_> { + #[inline] + fn drop(&mut self) { + // SAFETY: `Guard` is only constructible through `Srcu::read_lock(= )`, + // which returns a valid index for the SRCU instance. + unsafe { bindings::srcu_read_unlock(self.srcu.inner.get(), self.id= x) }; + } +} --=20 2.51.2 From nobody Mon Jun 8 22:51:56 2026 Received: from mail-244108.protonmail.ch (mail-244108.protonmail.ch [109.224.244.108]) (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 3425028726E for ; Mon, 25 May 2026 17:57:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=109.224.244.108 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779731856; cv=none; b=dbr4E4AB5SjX6GaXkmdSNasuyFCX/s9rAfDCAybFxNqboj+n5vBQIscc5M6p2ZqncRp2ZshDvRCPkzvM59YzbeLhXIe23cMyuWfgFZsWuAm9TiQ4v0waCikXpXaASnq7N6X+0qNt+JCZBaqTf0mc/APVxjEqUd6wHNR4BTwclVM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779731856; c=relaxed/simple; bh=OXKg7IoJRXxJABbEWtm/U0WbRH/zsPKFQvYu+ZBgzKg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=AoL5Y10UdvqVXyzyYWzRn3fVGbXahTQuVV/3NL+VF12uvvw+EeJiWbz71hdtVK8jqhXa8IF0u4aL/cfID1lPN+6ScPy7F/WVqkJrVgQNqMLJVpVHMfHg55zmWif/Nmck+p89l3wdoE22Ge4jwUNYWxfNVT7zuiWyeCYi4JRjeIk= 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=R1DLfVb4; arc=none smtp.client-ip=109.224.244.108 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="R1DLfVb4" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=onurozkan.dev; s=protonmail; t=1779731847; x=1779991047; bh=/JxKK4le+0Qf2c0FvyVzReRLUsasiZAYNwA0SE2Vp0s=; 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=R1DLfVb41ZBIAygaB4/DReRheqtwasz6RmG33/D4KgKR77mM7f4Q0gmpvlOtjgAkK uAFg9i1tAMbFV5DKbzZKbChIgd7OjjmbYHuEXD5G0Lzw9Ay2Nc4KYNDFgggt8I6HiC 5zqVkp+j3DJiso16SI7zZZ8aNFVsCXXH0ll1i7EGfpIDqWSoiYLbJgcWf0cdEHE1A1 0sIbTjCDChzk8ckRdSYIF7PGD6ccvu3U+Xt35kf3bFlOa4ZdpJsO3rKtW2oWl66U4I gof2DIpMFQv5tGq/r5IRyMVTlHG2HZPBRe+3Twj3Lbn500nTmN18S+iAY36Zqehl6T apJ32bh/tbwuw== X-Pm-Submission-Id: 4gPNrL243yz1DH2k 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 v4 3/3] MAINTAINERS: add Rust SRCU files to SRCU entry Date: Mon, 25 May 2026 20:55:51 +0300 Message-ID: <20260525175706.124910-4-work@onurozkan.dev> X-Mailer: git-send-email 2.51.2 In-Reply-To: <20260525175706.124910-1-work@onurozkan.dev> References: <20260525175706.124910-1-work@onurozkan.dev> 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: quoted-printable Include Rust side implementation files to the SRCU maintainer entry. Signed-off-by: Onur =C3=96zkan --- MAINTAINERS | 3 +++ 1 file changed, 3 insertions(+) diff --git a/MAINTAINERS b/MAINTAINERS index e0b307b2108c..7739a435f258 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -24624,6 +24624,7 @@ SLEEPABLE READ-COPY UPDATE (SRCU) M: Lai Jiangshan M: "Paul E. McKenney" M: Josh Triplett +M: Onur =C3=96zkan (RUST) R: Steven Rostedt R: Mathieu Desnoyers L: rcu@vger.kernel.org @@ -24632,6 +24633,8 @@ W: http://www.rdrop.com/users/paulmck/RCU/ T: git git://git.kernel.org/pub/scm/linux/kernel/git/rcu/linux.git rcu/dev F: include/linux/srcu*.h F: kernel/rcu/srcu*.c +F: rust/helpers/srcu.c +F: rust/kernel/sync/srcu.rs =20 SMACK SECURITY MODULE M: Casey Schaufler --=20 2.51.2