From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andi Kleen Subject: Re: Genapic Date: 18 May 2005 18:36:26 +0200 Message-ID: <20050518163626.GE88141@muc.de> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Date: Wed, 18 May 2005 18:36:26 +0200 Content-Disposition: inline In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: "Puthiyaparambil, Aravindh" Cc: xen-devel@lists.xensource.com, "Davis, Jason" , "Vessey, Bruce A" , "Subrahmanian, Raj" List-Id: xen-devel@lists.xenproject.org On Wed, May 18, 2005 at 11:45:20AM -0400, Puthiyaparambil, Aravindh wrote: > Genapic is done differently for i386 and x86_64 in the LK. In i386 it is > machine specific and in x86_64 it is APIC model specific. Do you want > Xen to mimic that? Further more both i386 and x86_64 have separate The x86-64 model is better. > apic.c, io_apic.c (just to name a couple) files. Xen shares them between > the two. Will that cause any problems? > > I am wondering if it is possible to have a unified genapic for Xen. Or > is it way too complicated? I hope the plan is to still integrate xen support into arch/i386 and arch/x86_64. Then the problem won't occur. -Andi