From nobody Tue Dec 16 05:55:47 2025 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (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 55C0C221F2A; Wed, 7 May 2025 07:57:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.142.43.55 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746604674; cv=none; b=cVlzRP6wUth3mgEt8ABF3nRLbTmzxRH/lkakdV3DIW5v6zQwb+8cVHYOErvxWeZoJmYNUc3XnwQXHh6TqIPu4m5Z7O6EmJrp6XsMMg3118UkwqkJI9L3aVLKGzLBubxT0iZuLOpqYQvl+4fEFNHAb2eRUKFJcLZEUCuSHhVtqU0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746604674; c=relaxed/simple; bh=XfAFhHHOIfeyjtRu1KJ3wTmmoy/lHfUkVQNEvd8gb6s=; h=Date:From:To:Subject:Cc:In-Reply-To:References:MIME-Version: Message-ID:Content-Type; b=B7SS0QVU/8Ru1qjeudFed3IdQWyUOaSPWVHm+bl9moLZAaHw833+xczlVd5xgzgp2pcpl/wM5NtLxH2mpmXNDKyF+QdQvceyE4UpjB+YD7hraizijDTai6moFG/SqzewmjZ6qf8SCG2Yx9MdczVgZ60fn4ilNKBCdY0VwRLoQGo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de; spf=pass smtp.mailfrom=linutronix.de; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=ZeYJQy+E; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=ij3wBBKn; arc=none smtp.client-ip=193.142.43.55 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linutronix.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="ZeYJQy+E"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="ij3wBBKn" Date: Wed, 07 May 2025 07:57:49 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1746604669; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=t5X5GSWnv2xCncuNAVZLbXOWMeTP8SWKOKBPKCfY4VQ=; b=ZeYJQy+EP/vRGsGjqlVm0s+3d6aS1SYUTuB0UhSXJ6d0Vje6tmWQ+dx2KyJ48A+CCgluKB ZEMlCTORuw8/5BkTJE/4EqxgEuy+i0YSxcwYSWMhahM+ZNLeylflXsn5CW2wQ22xUa3vwv 8Y1hapzzymvbFELhtQKAu5TAPHd449GM1KN9p2EqA0dl+0xWPEt2JWHSizDY7uGDvjZHmw kXuKOGGG1QCAysF6iL2hIo8kvsF6IjVv2a505GoBmrynUYjLVNafyYn89lxCc0pBMojLta JtTQviLL0ht+/h6Vt0x2omzKEWkYpoT64A8Jd6Zm+rahaTEJqoIXpwfqwoFtjQ== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1746604669; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=t5X5GSWnv2xCncuNAVZLbXOWMeTP8SWKOKBPKCfY4VQ=; b=ij3wBBKnsKFwyJswxIezgQqm8OIbRqV9I3kRd7AtvIuWC+110sGvqUGFSwLaa9szuPAcY5 MeD29vuyrNzUskDg== From: "tip-bot2 for Jiri Slaby (SUSE)" Sender: tip-bot2@linutronix.de Reply-to: linux-kernel@vger.kernel.org To: linux-tip-commits@vger.kernel.org Subject: [tip: irq/cleanups] Documentation: irq/concepts: Add commas and reflow Cc: "Jiri Slaby (SUSE)" , Thomas Gleixner , x86@kernel.org, linux-kernel@vger.kernel.org In-Reply-To: <20250319092951.37667-54-jirislaby@kernel.org> References: <20250319092951.37667-54-jirislaby@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <174660466909.406.3617860077265845052.tip-bot2@tip-bot2> Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails Precedence: bulk Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable The following commit has been merged into the irq/cleanups branch of tip: Commit-ID: 401dec9125415fc670d5d093190a2942ddb1963b Gitweb: https://git.kernel.org/tip/401dec9125415fc670d5d093190a2942d= db1963b Author: Jiri Slaby (SUSE) AuthorDate: Wed, 19 Mar 2025 10:29:46 +01:00 Committer: Thomas Gleixner CommitterDate: Wed, 07 May 2025 09:53:25 +02:00 Documentation: irq/concepts: Add commas and reflow For easier reading, it is always desired to add commas at some places in text. Like before adverbs or after fronted sentences. [ tglx: Fix up subject prefix ] Signed-off-by: Jiri Slaby (SUSE) Signed-off-by: Thomas Gleixner Link: https://lore.kernel.org/all/20250319092951.37667-54-jirislaby@kernel.= org --- Documentation/core-api/irq/concepts.rst | 19 +++++++++---------- 1 file changed, 9 insertions(+), 10 deletions(-) diff --git a/Documentation/core-api/irq/concepts.rst b/Documentation/core-a= pi/irq/concepts.rst index 4273806..f166006 100644 --- a/Documentation/core-api/irq/concepts.rst +++ b/Documentation/core-api/irq/concepts.rst @@ -2,23 +2,22 @@ What is an IRQ? =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D =20 -An IRQ is an interrupt request from a device. -Currently they can come in over a pin, or over a packet. -Several devices may be connected to the same pin thus -sharing an IRQ. +An IRQ is an interrupt request from a device. Currently, they can come +in over a pin, or over a packet. Several devices may be connected to +the same pin thus sharing an IRQ. =20 An IRQ number is a kernel identifier used to talk about a hardware -interrupt source. Typically this is an index into the global irq_desc -array, but except for what linux/interrupt.h implements the details +interrupt source. Typically, this is an index into the global irq_desc +array, but except for what linux/interrupt.h implements, the details are architecture specific. =20 An IRQ number is an enumeration of the possible interrupt sources on a -machine. Typically what is enumerated is the number of input pins on -all of the interrupt controller in the system. In the case of ISA +machine. Typically, what is enumerated is the number of input pins on +all of the interrupt controllers in the system. In the case of ISA, what is enumerated are the 16 input pins on the two i8259 interrupt controllers. =20 Architectures can assign additional meaning to the IRQ numbers, and -are encouraged to in the case where there is any manual configuration -of the hardware involved. The ISA IRQs are a classic example of +are encouraged to in the case where there is any manual configuration +of the hardware involved. The ISA IRQs are a classic example of assigning this kind of additional meaning.