From nobody Thu Dec 18 18:18:30 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 ED7252C1092 for ; Tue, 29 Apr 2025 06:55:38 +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=1745909740; cv=none; b=ceQYPXoSf3byecETjQmmwCRYD+ArBYWdiH/NXZltHA00C/5h74ILMpRS+bZOtXZ0K9ch3D6u07ul8P/3Nf/LzXtOYunw9/Uf0RzNEDKrTgbrkQyWr2Jk5WJBE0rO/uMrYp0qK8/wdZVXZQNQ0JHwQlQ10cFrnc7izmYoVesyjV4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745909740; c=relaxed/simple; bh=rCH7D3YVndEYHBTKqPrNqC8oHb9QQzzNUIxTqgLAkRQ=; h=Message-ID:From:To:Cc:Subject:References:MIME-Version: Content-Type:Date; b=Gzi9qzY8pJ+Oa/iuxxrE0YpynWiXDy8v8pGz5/mpMGCEGLkHz9NmjZUBinize1X/ZBbGib7OJbi6zG8f3gJZ8LoJf18O0zGMq1iL+eou7BLd/uediJPT8dvNI41RTpPkjlebLNNX/+oEB9DweYWXqDM/qoDgXkeVcriJtgqGpm4= 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=IE7dhnHS; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=AJVnwbAE; 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="IE7dhnHS"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="AJVnwbAE" Message-ID: <20250429065422.013088277@linutronix.de> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1745909737; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: references:references; bh=mixybEw9e+vbXEPkKLLg2DsKs+WX44nTeRjKqscHOG4=; b=IE7dhnHSGujZHuosb/hG6Ajo1vS7CrXe2i2XlErtruH/qOA/rE/ZSB/yt6lPJT2Ui1wW6m I396DBprNiGj5Xzq7AnisIs/YV+hlFLsLkkTgjPi0lKaAuNfEjGM3foA9AJf0BuVR2uQGF H7LWk/06+V/VN67latoD2uqYkTf0LafBlwuixoLlz6K7myzVAlKYKdTQ+I3u/zoHJgvzeg 7ocdfMyuWnxUee9fMKo3FdkSgxdOm5WZWcLSTk3fpRHGh68zm72HRqbFipxSvMUtzoh96N qxrRn9UTsTlTPvg+AmNhK8rHXVtryiy3gBpMN0J5WyknIIKS1eqKal7f9JtZFQ== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1745909737; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: references:references; bh=mixybEw9e+vbXEPkKLLg2DsKs+WX44nTeRjKqscHOG4=; b=AJVnwbAEqbw7j4sw1slhr764QYPY+a5/W4j696YK3HIllVsvmuGVamvTvz/EKi+J5+gUKQ JysFUrpyzK5jnAAQ== From: Thomas Gleixner To: LKML Cc: Jiri Slaby , Peter Zijlstra Subject: [patch V2 33/45] genirq/manage: Rework __disable_irq_nosync() References: <20250429065337.117370076@linutronix.de> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Date: Tue, 29 Apr 2025 08:55:37 +0200 (CEST) Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Use the new guards to get and lock the interrupt descriptor and tidy up the code. No functional change. Signed-off-by: Thomas Gleixner --- kernel/irq/manage.c | 13 +++++-------- 1 file changed, 5 insertions(+), 8 deletions(-) --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -658,14 +658,11 @@ 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 /**