From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (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 D94F927FE75 for ; Thu, 27 Feb 2025 22:21:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740694914; cv=none; b=TwdbTVa+7/mT0SsZfuhtG8FpO5PlnGpma7QWKAxpZIjwZ66+41Tv29/rRivbwweC0Juqt2BYfFW+ZLqi08iOHZVU8YR6EnZBQxGaSODEHbH8eLv3/IsszF1PqdkIk/CCooWKPe8UawoDZKSQeHFuiaQVS3rJF5n7ty5XEg3+X5o= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740694914; c=relaxed/simple; bh=jF/Rhzpzm/dHCcOSMAyGvRp49x3ckxeqe/+xym+bBPA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=OzOYdLGU5fsOKpQAvD01NuboxWT2FtPgJSdv3b16IsugUZ5B/W4YE5mtT+yj6N8puOXYe6zsr1QAG7FYRbFcl+p4pR614TlbdhsdcULsrOhYZ0P/vsgKYyL4F5gUJ7s4jVbtzdFs6ATqSUcBndRO7WmASNE5k/AV7vF2sm4I/l0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=LnNXYaer; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="LnNXYaer" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1740694910; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=nMPVRvmOY4K4fNwOzdANhVMl0k0pQryl0H5Q7HLHGko=; b=LnNXYaersPXK9mHIeaJnzwjnj6MPqSiXMxL1c8hazK8wMdVo93tr978Q4USqOFKll5Lrf6 TZ44mmAF0XnDd/A0X4GyKLnWdEegfU9eL7Q4GgC+oynDvXNUic3UjKPECKxMU4YxEnKhnU QnhsFV7jLkPnAD2BSng5F20qmtfLNS8= Received: from mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-154-0CdOvRe4M6efnGidCvpoMg-1; Thu, 27 Feb 2025 17:21:46 -0500 X-MC-Unique: 0CdOvRe4M6efnGidCvpoMg-1 X-Mimecast-MFC-AGG-ID: 0CdOvRe4M6efnGidCvpoMg_1740694904 Received: from mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.17]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 1921A1800988; Thu, 27 Feb 2025 22:21:44 +0000 (UTC) Received: from chopper.lyude.net (unknown [10.22.89.128]) by mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 1E5AD1944D02; Thu, 27 Feb 2025 22:21:40 +0000 (UTC) From: Lyude Paul To: rust-for-linux@vger.kernel.org, Thomas Gleixner Cc: Boqun Feng , Peter Zijlstra , Ingo Molnar , Will Deacon , Waiman Long , Miguel Ojeda , Alex Gaynor , Gary Guo , =?UTF-8?q?Bj=C3=B6rn=20Roy=20Baron?= , Benno Lossin , Andreas Hindborg , Alice Ryhl , Trevor Gross , linux-kernel@vger.kernel.org (open list:LOCKING PRIMITIVES) Subject: [PATCH v9 5/9] rust: helper: Add spin_{un,}lock_irq_{enable,disable}() helpers Date: Thu, 27 Feb 2025 17:10:16 -0500 Message-ID: <20250227221924.265259-6-lyude@redhat.com> In-Reply-To: <20250227221924.265259-1-lyude@redhat.com> References: <20250227221924.265259-1-lyude@redhat.com> Precedence: bulk X-Mailing-List: rust-for-linux@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 From: Boqun Feng spin_lock_irq_disable() and spin_unlock_irq_enable() are inline functions, to use them in Rust, helpers are introduced. This is for interrupt disabling lock abstraction in Rust. Signed-off-by: Boqun Feng Signed-off-by: Lyude Paul --- rust/helpers/spinlock.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/rust/helpers/spinlock.c b/rust/helpers/spinlock.c index 42c4bf01a23e4..d4e61057c2a7a 100644 --- a/rust/helpers/spinlock.c +++ b/rust/helpers/spinlock.c @@ -35,3 +35,18 @@ void rust_helper_spin_assert_is_held(spinlock_t *lock) { lockdep_assert_held(lock); } + +void rust_helper_spin_lock_irq_disable(spinlock_t *lock) +{ + spin_lock_irq_disable(lock); +} + +void rust_helper_spin_unlock_irq_enable(spinlock_t *lock) +{ + spin_unlock_irq_enable(lock); +} + +int rust_helper_spin_trylock_irq_disable(spinlock_t *lock) +{ + return spin_trylock_irq_disable(lock); +} -- 2.48.1