From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wr1-f73.google.com (mail-wr1-f73.google.com [209.85.221.73]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8207322171E for ; Mon, 2 Jun 2025 13:37:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.73 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748871424; cv=none; b=s8dNYdRY568zfbCkQUyHzyFeA6NZdRRjugmYcFSyShjhbaPnbaIOxX4PKHxrfmcuWmw10HoZ2RRttrlrXHPZhglcmO7bMumuYurkIdOYjsGw74V/6Z7mPPxrKCZQ4ceA+UXh2HkgthGJoEpOTMOBVPXeNdo+C77zt1x/15ZDkfQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748871424; c=relaxed/simple; bh=E/w79vVPcT3Zr2nhL4Sj2w1AZemSgO2OaKw7xSVzVdY=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=oKtq4tq3Llmiy+fGXhY8ITq4sWkwCshPNIjCy+ZM6uvQGroAUAwSRSgVaE7O5LMikrY9cidIvuUzYt8aZfOzStBSNpQUfZwNUKxhHZEeviIqJwckEo/jDsYhdL/47XCsUmeb+HTxsFDrGH7t+ifHkOJWTqb6niAelzfKpvMEqdQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--bqe.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=AUEJXZK0; arc=none smtp.client-ip=209.85.221.73 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--bqe.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="AUEJXZK0" Received: by mail-wr1-f73.google.com with SMTP id ffacd0b85a97d-3a4f8192e2cso1631600f8f.3 for ; Mon, 02 Jun 2025 06:37:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1748871421; x=1749476221; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=1xsZ3bzHWEHjMHqu05pw0LNNFT3NBkPT2T7RuaKPsqs=; b=AUEJXZK01RNf9xH8EiLdXaOSfCcK9g9pawjZ0+qk4wCAIqwAJwwivswUU1bBl1MLH/ RVw1HlYqoHug7cEGLYOADJ5cat3ty0jbUo/tCmW+f8ycDE+CU441u2FKN8gNnuOZD/hB 8jYDnBFANaoLzHv1XbsZtHtw/N6iQIrdTgtxIEcnxPt107CT3CUZg8EdhXGlQfCqqJpu mxIVYT2HPF4HnsfB82/o39bk6ZVxG67rJm05zEU3OCiPBBkv4RVL14kRZbGi11Lsiw4A 7yZSpJBy4tcRZdsOpu3o6e5juAqEfmrt7MddoSA7DPR8MPU6PCTkHU+tw6FEGaDyFjTb FbjQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1748871421; x=1749476221; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=1xsZ3bzHWEHjMHqu05pw0LNNFT3NBkPT2T7RuaKPsqs=; b=Gf70fzMaVjpJvrBrC+/rpu5McERIVmC6tZtIEYjl0CI3/0J90Ev5gjzTxjZhXv5c+e 47ZN9+IawnNyKkE86YK4x2ZGMzgSr0Wrcny5e1/ZQGC6fjlD6y/akhy6wqlek5GcuozH fKxylNNuS6kOJsgNUyUt1LBcuwhyLg8xT0Dz0mZ+VIkhInIMields36UbQG62bq1tnxg OxacmnR6f61a0OLWeDKgKH3Km1ntx/uo08+I89T9inAVvmdVedk8cF8BBolIpHdLfbng Q5XaWTDfGqQjPUKspIBm12XmkCLDEDisvJKLEcRwejLkVS/CBrcS6cwjDsDn0wMVIFu2 cMAg== X-Forwarded-Encrypted: i=1; AJvYcCX7IbOHMJw0yZsacRQOZUTjnn59RpScjL3wkDnJ7yaZ0KlUINPVWcFZc/ZKHfPjNW6GssdygbzAd1ElJIk=@vger.kernel.org X-Gm-Message-State: AOJu0YyV1ebzYaLuANNBTj/VX7qMkRI+ktZh5BKPrmsF0Mo/PoGXP8Rw f2DMPZ/sEctrHHHpSZiMKFI3ofGh9kFf/d5a+cACfmIP3En3i3BJDMSHaGesU14b5NHRoQ== X-Google-Smtp-Source: AGHT+IFUd3/Au7r0/E7zO/NvqFb2d5LVWOIiZ8HD6Xtu76YAGOeLpsZQ2jP0GboADBe+dtG5nQN0HQQ= X-Received: from wmbet10.prod.google.com ([2002:a05:600c:818a:b0:450:df6d:a450]) (user=bqe job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6000:2586:b0:3a4:fb7e:5fa6 with SMTP id ffacd0b85a97d-3a4fe154b3emr6667986f8f.1.1748871420861; Mon, 02 Jun 2025 06:37:00 -0700 (PDT) Date: Mon, 2 Jun 2025 13:36:43 +0000 In-Reply-To: <20250602133653.1606388-1-bqe@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250602133653.1606388-1-bqe@google.com> X-Mailer: git-send-email 2.49.0.1204.g71687c7c1d-goog Message-ID: <20250602133653.1606388-3-bqe@google.com> Subject: [PATCH v10 2/5] rust: add bindings for bitops.h From: Burak Emir To: Yury Norov , Kees Cook Cc: Burak Emir , Rasmus Villemoes , Viresh Kumar , Miguel Ojeda , Alex Gaynor , Boqun Feng , Gary Guo , "=?UTF-8?q?Bj=C3=B6rn=20Roy=20Baron?=" , Benno Lossin , Andreas Hindborg , Alice Ryhl , Trevor Gross , "Gustavo A . R . Silva" , Carlos LLama , Pekka Ristola , rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Makes atomic set_bit and clear_bit inline functions as well as the non-atomic variants __set_bit and __clear_bit available to Rust. Adds a new MAINTAINERS section BITOPS API BINDINGS [RUST]. Suggested-by: Alice Ryhl Suggested-by: Yury Norov Signed-off-by: Burak Emir Acked-by: Yury Norov [NVIDIA] --- MAINTAINERS | 5 +++++ rust/helpers/bitops.c | 23 +++++++++++++++++++++++ rust/helpers/helpers.c | 1 + 3 files changed, 29 insertions(+) create mode 100644 rust/helpers/bitops.c diff --git a/MAINTAINERS b/MAINTAINERS index 86cae0ca5287..04d6727e944c 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -4141,6 +4141,11 @@ F: include/linux/bitops.h F: lib/test_bitops.c F: tools/*/bitops* +BITOPS API BINDINGS [RUST] +M: Yury Norov +S: Maintained +F: rust/helpers/bitops.c + BLINKM RGB LED DRIVER M: Jan-Simon Moeller S: Maintained diff --git a/rust/helpers/bitops.c b/rust/helpers/bitops.c new file mode 100644 index 000000000000..5d0861d29d3f --- /dev/null +++ b/rust/helpers/bitops.c @@ -0,0 +1,23 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include + +void rust_helper___set_bit(unsigned long nr, unsigned long *addr) +{ + __set_bit(nr, addr); +} + +void rust_helper___clear_bit(unsigned long nr, unsigned long *addr) +{ + __clear_bit(nr, addr); +} + +void rust_helper_set_bit(unsigned long nr, volatile unsigned long *addr) +{ + set_bit(nr, addr); +} + +void rust_helper_clear_bit(unsigned long nr, volatile unsigned long *addr) +{ + clear_bit(nr, addr); +} diff --git a/rust/helpers/helpers.c b/rust/helpers/helpers.c index 92721d165e35..4de8ac390241 100644 --- a/rust/helpers/helpers.c +++ b/rust/helpers/helpers.c @@ -8,6 +8,7 @@ */ #include "bitmap.c" +#include "bitops.c" #include "blk.c" #include "bug.c" #include "build_assert.c" -- 2.49.0.1204.g71687c7c1d-goog