From nobody Mon Dec 15 21:44:00 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 EC1A2235C17; Wed, 7 May 2025 09:07:28 +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=1746608850; cv=none; b=Gw9DsloYOXaBYipF8v1XfSd4wDeFOw2QN3hdhZLtsG830lq1qGblkMIeraJ79OqqeYhbgtCGFRcteQFfBxN5wNPCi0aeNSbeH06MPwzx7Cq1tY3ipFeAYB4V9gFah+z8TYBdFbHVzqWUkYZFvV3sd5kU9hBUFUMmUNazDBeL0Rc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746608850; c=relaxed/simple; bh=hb47DFNQ63KCp6MZapCmjKqysYvANQa9BTiv7W5Gpp4=; h=Date:From:To:Subject:Cc:In-Reply-To:References:MIME-Version: Message-ID:Content-Type; b=iQ9JVKRBBrlU4WaDBRyuj72B2N7V4sfMlqXMM1AZ9t3zfTCkq02SLcPVgY27z4bGx/+W1O8rDCDqI0LkadvxLpnomAuHw76rRlq5yUuU/PjPrURM6hVi3bCyWiyL7Iw+olNvku1vt9Podm/lO9mmPuZAZ8tnCE3wbJaFV8UW9w4= 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=eXduzSHp; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=4mSh7QQF; 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="eXduzSHp"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="4mSh7QQF" Date: Wed, 07 May 2025 09:07:26 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1746608847; 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=RadFN6TnGytOv2rQfnYhC47GZenBC2PS4rErDywVLWU=; b=eXduzSHpwuf9PX2sfiQB/8sxm+CXvzD2i2rVKR2z2uIAlUptX9jbQ/WurTyiIQyUuQqLVc F8yP7XaCS6aNP3pkNRUhWjHYuSS5xk0hzDdicGQqUEmgZlEyfctL0AlFu4gT6fvlqNz3JO IRyZAZST54XNO48UcwMRZurnbMKWSz7bl7ICr+m92MB/mwLMsNICvXTxjmmta0PfznkiNX tYhjnOVdA8Dt5qC6mb3lIHo1hokPVECizd0Ln2cacdiHUUqsMela/91JZ4zoe+jTGonaTa tAIzycuiB7LawaaWWUZUk8NXNK5kd+jqabuIQoRixkcCSGPpUKzTTIbJu421Hw== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1746608847; 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=RadFN6TnGytOv2rQfnYhC47GZenBC2PS4rErDywVLWU=; b=4mSh7QQFNDUCfI2eqQlogEFQbEd0yraPwTmV3y6BnYJV2naYQb0xmYoeh2A1KVxih0qhP3 0MKdGoS7v6sH+BAg== From: "tip-bot2 for Thomas Gleixner" Sender: tip-bot2@linutronix.de Reply-to: linux-kernel@vger.kernel.org To: linux-tip-commits@vger.kernel.org Subject: [tip: irq/core] genirq/manage: Rework __disable_irq_nosync() Cc: Thomas Gleixner , "Peter Zijlstra (Intel)" , x86@kernel.org, linux-kernel@vger.kernel.org, maz@kernel.org In-Reply-To: <20250429065422.013088277@linutronix.de> References: <20250429065422.013088277@linutronix.de> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <174660884670.406.17519050300534702759.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/core branch of tip: Commit-ID: 1b74444467240d9ff11cf109efdfb2af2f0b60c7 Gitweb: https://git.kernel.org/tip/1b74444467240d9ff11cf109efdfb2af2= f0b60c7 Author: Thomas Gleixner AuthorDate: Tue, 29 Apr 2025 08:55:37 +02:00 Committer: Thomas Gleixner CommitterDate: Wed, 07 May 2025 09:08:15 +02:00 genirq/manage: Rework __disable_irq_nosync() Use the new guards to get and lock the interrupt descriptor and tidy up the code. No functional change. Signed-off-by: Thomas Gleixner Acked-by: Peter Zijlstra (Intel) Link: https://lore.kernel.org/all/20250429065422.013088277@linutronix.de --- kernel/irq/manage.c | 13 +++++-------- 1 file changed, 5 insertions(+), 8 deletions(-) diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index c18440d..edc8118 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -659,14 +659,11 @@ void __disable_irq(struct irq_desc *desc) =20 static int __disable_irq_nosync(unsigned int irq) { - unsigned long flags; - struct irq_desc *desc =3D irq_get_desc_buslock(irq, &flags, IRQ_GET_DESC_= CHECK_GLOBAL); - - if (!desc) - return -EINVAL; - __disable_irq(desc); - irq_put_desc_busunlock(desc, flags); - return 0; + scoped_irqdesc_get_and_lock(irq, IRQ_GET_DESC_CHECK_GLOBAL) { + __disable_irq(scoped_irqdesc); + return 0; + } + return -EINVAL; } =20 /**