From nobody Wed Dec 17 21:26:41 2025 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 EB005192B76; Fri, 6 Dec 2024 19:35:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733513724; cv=none; b=sBiuQTH3YlujwyREaaHFN2dF3MOg9RzVRMt7P9WkFV2YXdIWGX6QjGdUD2WotVmsXsLJxWiAkTdJrbBht65BMp5hDEMR1FMDMZiM8P0IGbXxUqaY4hOqDv7oQEDDSvU+g/QyFW2BJx9iu2cIX2+3hz4P6vAXN0P2dPhxd1Ygfxk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733513724; c=relaxed/simple; bh=xS2xojV+RkeX5FfW1EiMY3iI+ynZ/ywVhO4sPQ3S9wI=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=lOL8T2a9bZj8l1gHHjeC4E42K22MUqRh9PWDN3b7+D6vVN/e5l9bk0r2hA6pLj4ez3Tll03QOYSz1DqfSiowpTMYrlCSaA1kj2Qm81NuahGtIWGQfxR4iGJJhaWg/Mk8EyqC/8xnK4kpCc5cOi9XnZy05MgETn0hxZgFcxaKqEk= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=p5Y3RBcj; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="p5Y3RBcj" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 73097C4CED1; Fri, 6 Dec 2024 19:35:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1733513723; bh=xS2xojV+RkeX5FfW1EiMY3iI+ynZ/ywVhO4sPQ3S9wI=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=p5Y3RBcjHn4XebV8SWVNKZTQZVklkNNldvM1X0GmbG+UTSzjwtoCmZO9kMWaAvlsx ho/n0H+6YVUDSLLoh7srMxgHi27cJG74hbCZjFkFJK5N4JemXv0rFWQ2C55CVUsOaG 0VFOQtrYRjgcu6Q6iemOHMWrzkjSxZud+ClDtPcr13FB79MtOtA5Qi5y0aDusKIXdW U5lvwZa4M5qeI5VjPaueQBXV0FzfzkXDOBJFp1h8RZXvVMbxmejnsg9+OchCEKl1xO Nie4mkTY1gvmMFgiUzLLr5+gOsH/Ikh3E7MvAd0Da8qJ6wm7txRfkWvnhHW/F9AWAE J7FrAdUQ/u75Q== From: Andreas Hindborg Date: Fri, 06 Dec 2024 20:32:53 +0100 Subject: [PATCH v4 01/14] rust: time: Add Ktime::from_ns() 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 Message-Id: <20241206-hrtimer-v3-v6-12-rc2-v4-1-6cb8c3673682@kernel.org> References: <20241206-hrtimer-v3-v6-12-rc2-v4-0-6cb8c3673682@kernel.org> In-Reply-To: <20241206-hrtimer-v3-v6-12-rc2-v4-0-6cb8c3673682@kernel.org> To: Miguel Ojeda , Anna-Maria Behnsen , Frederic Weisbecker , Thomas Gleixner , Danilo Krummrich Cc: Alex Gaynor , Boqun Feng , Gary Guo , =?utf-8?q?Bj=C3=B6rn_Roy_Baron?= , Benno Lossin , Alice Ryhl , Trevor Gross , Lyude Paul , rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org, Andreas Hindborg X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1377; i=a.hindborg@kernel.org; h=from:subject:message-id; bh=hPq5VnqnzJbyEOMvhXAWGPbSPGHgBtCBC54UbM9eT0w=; b=LS0tLS1CRUdJTiBQR1AgTUVTU0FHRS0tLS0tCgpvd0o0bkFGdEFwTDlrQTBEQUFvQjRiZ2FQb mtvWTNjQnl5WmlBR2RUVVdtUG4rTnhXSHkrL2VwVktMOEZWbXVvCkFzNXVVUVJ1c3BjbXNHNjZN UDNXYm9rQ013UUFBUW9BSFJZaEJCTEIrVWRXdjN3cUZkYkFFdUc0R2o1NUtHTjMKQlFKblUxRnB BQW9KRU9HNEdqNTVLR04zc1JRUC9ScFFSYU9vSkxUQnRqTGsvai94Rk5XZWNwSk5qWkV6Rm5BRw p6bnpxVm93OWpFbDBzTnlBYkhnTlVGMlE0THcwckxaZ3REbHZVcG5kcmFLZzN3R0lhc0RNTGVOV C9MTm9IUE9BCmRZSytUdDB2SFlKM2JSSFFLUS96eGJ0WWRCV2RISkhkekVlVkZKQ1MzNk44Z21s cUs4cEFySUdnUlZPRjJsdFAKanczRlFva2VUVFFPKzBnSXNiekZLZ2RkNDZDY3A2MmFERVB6dml uaVVJRlFOQWlhTFdBazJZQUlaT1ZqWmlQdQoyWWdpYkFEQjI2Ly9KWXNYckJ1aWlsRWZqUENOaz RURExIenNMZnpjZ3N4aDJOcm1ZbzUrOVR1Y3d5Uks1aDNNCnJEUm13TzZzZmJHeU9pQVZUcGZJY XJ6SFo0TDdiS2R3a3FCR01jZWovVXVWR2RaYUlpY05qSXpSMFd5d1o2eUMKaUdJbEJaZ0JIamFs anJNQzN4S0d6cHNCb05odlExVkhud0NrN1M4bzY5a0JDMkhYOXdvNjUwK2kvUDRLYklCSwpmVkJ Ic0FJVkFheGFPdkJZamk0Z2h3S0JpY3lWS3ZmWDVKcXduaUdqWEUvMTFzcndJTm9IUVArS0Y4cz htRUM3Cjl5dXZmZHBvWHVBVW9vcHA4d2xQL0NlS0NPZjhhSnJkdVdVQ3pvY3BZZDFtTlVNWHhMZ Xhza0dybWhFY2F4NkQKVEJ3UVlNRnU3R2VYWUJSeXF1cytuamc0c0tKMTg3eHVYTzBFWG84eSto dmlnYXlSWHpiR1RHS0ZYUEFmbGtCaApFRmlsV3VyQWRoMklQdS9ETWwwTHA4Q1I4c3diVVVMNU9 5NHVaQkh0V3RSNGY5UUxSWVRaak4xakJPUFJLc2IyCmFXa1NLckdrVDdZanVnPT0KPWwveVcKLS 0tLS1FTkQgUEdQIE1FU1NBR0UtLS0tLQo= X-Developer-Key: i=a.hindborg@kernel.org; a=openpgp; fpr=3108C10F46872E248D1FB221376EB100563EF7A7 From: Lyude Paul A simple function to turn the provided value in nanoseconds into a Ktime value. We allow any type which implements Into, which resolves to Into. This is useful for some of the older DRM APIs that never got moved to Ktime Signed-off-by: Lyude Paul Signed-off-by: Andreas Hindborg --- rust/kernel/time.rs | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/rust/kernel/time.rs b/rust/kernel/time.rs index 379c0f5772e575c9ceacb9c85255b13501db8f30..f59e0fea79d3acfddd922f601f5= 69353609aeec1 100644 --- a/rust/kernel/time.rs +++ b/rust/kernel/time.rs @@ -8,6 +8,8 @@ //! C header: [`include/linux/jiffies.h`](srctree/include/linux/jiffies.h). //! C header: [`include/linux/ktime.h`](srctree/include/linux/ktime.h). =20 +use core::convert::Into; + /// The number of nanoseconds per millisecond. pub const NSEC_PER_MSEC: i64 =3D bindings::NSEC_PER_MSEC as i64; =20 @@ -63,6 +65,12 @@ pub fn to_ns(self) -> i64 { pub fn to_ms(self) -> i64 { self.divns_constant::() } + + /// Creates a new Ktime from the given duration in nanoseconds + #[inline] + pub fn from_ns(ns: impl Into) -> Self { + Self { inner: ns.into() } + } } =20 /// Returns the number of milliseconds between two ktimes. --=20 2.46.0