From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jan Beulich" Subject: Re: [PATCH][VTD] check BIOS settings before enabling interrupt remapping or x2apic Date: Tue, 05 Apr 2011 11:53:22 +0100 Message-ID: <4D9B10C20200007800039FB4@vpn.id2.novell.com> References: <987664A83D2D224EAE907B061CE93D5301A79A3BDF@orsmsx505.amr.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <987664A83D2D224EAE907B061CE93D5301A79A3BDF@orsmsx505.amr.corp.intel.com> Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Allen M Kay Cc: "xen-devel@lists.xensource.com" , Keir Fraser List-Id: xen-devel@lists.xenproject.org >>> On 29.03.11 at 19:58, "Kay, Allen M" wrote: > Check flags field in ACPI DMAR structure before enabling interrupt = remapping=20 > or x2apic. This allows platform vendors to disable interrupt remapping = or=20 > x2apic features if on board BIOS does not support them. >=20 > Signed-off-by: Allen Kay Marking platform_supports_intremap() and platform_supports_x2apic() __init isn't correct - both get called from the resume path. Jan