From nobody Tue Dec 16 07:13:51 2025 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (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 CF51213B7A1 for ; Tue, 14 Jan 2025 14:03:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736863390; cv=none; b=H+DDysOEBR4reHA/ZTThcLxzhbDdj748d9IqRsvyKkf6K7S//5JIZOp/HaFSeIH2BTTwU/BMy2/G3tTLkzU4/IVOS32COTt0vYtD1nNyRjRVigJhTyKkJ2wzW3/2J25yd2OVWI7Xd+DH0LpzRJhZzf14NJsHFGnGnK8oFtPodJ8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736863390; c=relaxed/simple; bh=Y0fCbLd3aJdYEHnZwT3s3l1Bu5mzWVa4xgHgqo1aJ1w=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version:Content-type; b=SvW/hi7QGlJDGRxZG86hk8/CHdNeAFddfBLnvksuRiEdohyhD7ZSz2Utvr5iBpITRI8/hjs9KRbwYPpnhYRWKaHkjWZL70A8hgJFHXY6YffTGFAmabVfBUnpdqwtyqR4Laky/NBpd+excSue5ftfGAYv5NS7y+RZbtNDbYjfdn4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=ELWcwmuW; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="ELWcwmuW" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1736863387; 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: content-transfer-encoding:content-transfer-encoding; bh=XNBGHNh0fauV4lsWoPr3aQjqDoJSVECR3URwoqsUADY=; b=ELWcwmuWMH1QZmExuRWnL3i2Ae8dOjMdVaUCypiyoaj1uzkuxpfxbHvv1vwaqRzYnw+XbD 1cPuAUVvHiPnGBky/6qiq6HQLb2PI8X4R4JxMz3pHbTvOJbdpe0BhM4jSax2XFJqqf24in CUoP40o9Labu1Mk3XRyI/WqLtRO7Yko= Received: from mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-433-ejPlmtCgM_alqtaw24oI2w-1; Tue, 14 Jan 2025 09:03:04 -0500 X-MC-Unique: ejPlmtCgM_alqtaw24oI2w-1 X-Mimecast-MFC-AGG-ID: ejPlmtCgM_alqtaw24oI2w Received: from mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.40]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 7B3741953968; Tue, 14 Jan 2025 14:03:03 +0000 (UTC) Received: from pauld.com (unknown [10.22.64.237]) by mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 9EDC419560AD; Tue, 14 Jan 2025 14:03:02 +0000 (UTC) From: Phil Auld To: linux-kernel@vger.kernel.org Cc: Jonathan Corbet , linux-doc@vger.kernel.org Subject: [PATCH] Documentation/sysctl: Add timer_migration to kernel.rst Date: Tue, 14 Jan 2025 09:03:01 -0500 Message-ID: <20250114140301.141147-1-pauld@redhat.com> 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 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.40 Content-Type: text/plain; charset="utf-8" There is no mention of timer_migration in the docs. Add a short description. Signed-off-by: Phil Auld Cc: Jonathan Corbet Cc: linux-doc@vger.kernel.org --- Documentation/admin-guide/sysctl/kernel.rst | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/Documentation/admin-guide/sysctl/kernel.rst b/Documentation/ad= min-guide/sysctl/kernel.rst index b2b36d0c3094..e03691e2cf4a 100644 --- a/Documentation/admin-guide/sysctl/kernel.rst +++ b/Documentation/admin-guide/sysctl/kernel.rst @@ -1544,6 +1544,13 @@ constant ``FUTEX_TID_MASK`` (0x3fffffff). If a value outside of this range is written to ``threads-max`` an ``EINVAL`` error occurs. =20 +timer_migration +=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D + +When set, attempt to migrate timers away from idle cpus to allow them to r= emain +in low power states longer. + +Default is set. =20 traceoff_on_warning =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D --=20 2.47.1