From nobody Tue Dec 16 05:57:01 2025 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (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 3F6A61FBCBD for ; Tue, 14 Jan 2025 19:05:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736881534; cv=none; b=WRWOMWEg/uEjY3Ghr0DJZYnanFMDQeovZTVbDi3ZlqZuiEVGlg+7i031IzTicG88zb1c22OU06z1GspDFWBo8bJ2g3tItHlw5HR4yvECu8b+Yk/zZxbbj1AZvjGuyRJRobzUlkvKgjUg43I/xCFb0IiPiohB1+tdTOsKy9yQq60= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736881534; c=relaxed/simple; bh=HUIDQX/C2Kaj8iAG1i1nltDWrwSe0E8OoW2HHZRHY3c=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version:Content-type; b=KxCF938u136hkC+X1D2lzcSveaUEAkT3kn0Zyo+ZPWpe2PRuu8IizwUS009d8Fu/MmLTeziDfA4NotzdSVxMxqKVX3Q9h1DmGWzeGOzEZsrLbtTm9faoB+WP7LP1gS5yhmBi2YogOSm/DIjbGterw0sJ/lrCfqb+1isgSdoB2Mw= 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=X2ZrLXNf; arc=none smtp.client-ip=170.10.133.124 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="X2ZrLXNf" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1736881531; 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=EVtYqozuCYNX5XJYrZPUoZYJYg8mOEwK0+OjPkXsGtA=; b=X2ZrLXNfGH/0ZXBbjtk+cCVhrajvEwwqzZEKnTMV98H9lUe3LUNSbqepGLBru57IVHFm1I jJzeb/KIB8Me6c7EIxwv7FzXMZqiogNsRqVPlu4vZANCd0owg5q6lIg1+6SOgNYilUVyiZ PUmOZxCL9dyhqrs44Je6j4FxS4s/1/c= Received: from mx-prod-mc-04.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-518-F40VxP2EMOqLpgfMW3WltQ-1; Tue, 14 Jan 2025 14:05:29 -0500 X-MC-Unique: F40VxP2EMOqLpgfMW3WltQ-1 X-Mimecast-MFC-AGG-ID: F40VxP2EMOqLpgfMW3WltQ Received: from mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.15]) (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-04.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 58A4A1955DBA; Tue, 14 Jan 2025 19:05:28 +0000 (UTC) Received: from pauld.com (unknown [10.22.65.61]) by mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 4E2E3195608A; Tue, 14 Jan 2025 19:05:27 +0000 (UTC) From: Phil Auld To: linux-kernel@vger.kernel.org Cc: Jonathan Corbet , linux-doc@vger.kernel.org Subject: [PATCH v2] Documentation/sysctl: Add timer_migration to kernel.rst Date: Tue, 14 Jan 2025 14:05:25 -0500 Message-ID: <20250114190525.169022-1-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 10.30.177.15 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..7c759797501d 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 to a non-zero value, attempt to migrate timers away from idle cpu= s to +allow them to remain in low power states longer. + +Default is set (1). =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