From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michael Schnell Subject: Re: AMP on an SMP system Date: Wed, 07 Aug 2013 10:23:00 +0200 Message-ID: <520203E4.3070204@lumino.de> References: <51FB6EE1.3090708@lumino.de> <51FEC76C.70908@televic.com> <51FF77A2.7030904@televic.com> Mime-Version: 1.0 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: <51FF77A2.7030904@televic.com> Sender: linux-embedded-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="iso-8859-1"; format="flowed" To: Cc: "linux-embedded@vger.kernel.org" On 08/05/2013 12:00 PM, Lambrecht J=FCrgen wrote: > "Actually, you can check on ARM community web site, where you will se= e that the CortexA9/GIC infrastructure enables AMP implementation. > http://forums.arm.com/index.php?/topic/15656-cortex-a9-amp/ > Here I see: "In the Cortex-A9 MPCore Technical Reference Manual I found the SMPnAMP= =20 Signal which switches between SMP or AMP for each Processor." While it is encouraging to see that AMP _is_ a supported feature with= =20 A9, I fail to understand what the use of making this known to the=20 hardware might be. I supposed AMP vs SMP would be just a matter of software. -Michael