From nobody Sun May 24 20:34:04 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 76C213D9670; Thu, 21 May 2026 14:12:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779372739; cv=none; b=chWXIOy0QmDkTuS0kx3HXVxLVUDcWw/AXeoslL0NXUsNSg1/v9ejSKt4+bqgXVP8F4xlN8wJ1VgtV0sHjh5sagrkRLirW9ECdcrhvCrO82Byp/nLhVpDFsemIJZ/GOTtoqyYf/z831fGwMqEtvKKvIOxQ4YzgQuLWDox4nVfjZU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779372739; c=relaxed/simple; bh=O1MuVtO/NILhT7B5CBo+QM64Usfu4bLCvVLdJHmjsIg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=NaOrWMeE/psDZox+PkU3qno1CRzOu1Xievs76UGlmyKUB7lZcZdy/c+auBjVXO1UiRDL1z1XszIrYYLWSgLzY7n3m3jQBO6H5ZWcMpUvpXYfXD0wZLzVOjL+H18iX512du7q3C7b2La2RzRSbArlA6jXsm/t5yIUHtqSMXjWZxg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=SMVD+xsL; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="SMVD+xsL" Received: by smtp.kernel.org (Postfix) with ESMTPSA id EE5351F000E9; Thu, 21 May 2026 14:12:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1779372738; bh=i9FX8AVNv2nnVD4clqaKWwPN6fTufHpEG/8sEU8wzPU=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=SMVD+xsL7z2aj3bLajdNvK5OOuy81RwLZpgkiGFCYFBSLMwgVOPI8mSW+Q6pCETci N6qzRxWfIy8oXvF7AvEQ477zH5UCaVNA3M5yxZtqsNi/vSLPC+YrrckZaiQT9kuDwO 6VtZUXyY3OQZdl+V1vlXEUmvRrhZX0CtVSgMpVV1i0+WKZS6l3Y8vrMEmJQJNRoboE siWgVHKV9gDmnTz9VdOeW3F/mbb0TmWkYXOl7HM44lKflMh6/NFG+CmS9cDaLj+VLF wpF7aycp3hTTmYuZwS7ZZqfkSMOJYo5tjilxoWsVWLXjvmdYAWkvC3TjOcFCP9T0iw MP9pldxP7Om9Q== From: "Rafael J. Wysocki" To: Linux ACPI Cc: LKML , Andy Shevchenko , Hans de Goede , Armin Wolf Subject: [PATCH v1 10/17] ACPI: PAD: Fix teardown ordering in acpi_pad_remove() Date: Thu, 21 May 2026 16:06:48 +0200 Message-ID: <2064153.usQuhbGJ8B@rafael.j.wysocki> Organization: Linux Kernel Development In-Reply-To: <4739447.LvFx2qVVIh@rafael.j.wysocki> References: <4739447.LvFx2qVVIh@rafael.j.wysocki> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: "Rafael J. Wysocki" The ACPI notify handler installed by acpi_pad_probe() needs to be removed before calling acpi_pad_idle_cpus() in acpi_pad_remove() so it doesn't schedule idle time injection on some CPUs again. Fixes: 8e0af5141ab9 ("ACPI: create Processor Aggregator Device driver") Signed-off-by: Rafael J. Wysocki --- drivers/acpi/acpi_pad.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/acpi/acpi_pad.c b/drivers/acpi/acpi_pad.c index b0a6723fb854..48c00ee61ed2 100644 --- a/drivers/acpi/acpi_pad.c +++ b/drivers/acpi/acpi_pad.c @@ -430,12 +430,12 @@ static int acpi_pad_probe(struct platform_device *pde= v) =20 static void acpi_pad_remove(struct platform_device *pdev) { + acpi_dev_remove_notify_handler(ACPI_COMPANION(&pdev->dev), + ACPI_DEVICE_NOTIFY, acpi_pad_notify); + mutex_lock(&isolated_cpus_lock); acpi_pad_idle_cpus(0); mutex_unlock(&isolated_cpus_lock); - - acpi_dev_remove_notify_handler(ACPI_COMPANION(&pdev->dev), - ACPI_DEVICE_NOTIFY, acpi_pad_notify); } =20 static const struct acpi_device_id pad_device_ids[] =3D { --=20 2.51.0