Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754979AbYCaCUZ (ORCPT ); Sun, 30 Mar 2008 22:20:25 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751286AbYCaCUN (ORCPT ); Sun, 30 Mar 2008 22:20:13 -0400 Received: from rv-out-0910.google.com ([209.85.198.191]:13461 "EHLO rv-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750923AbYCaCUM (ORCPT ); Sun, 30 Mar 2008 22:20:12 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=nmZy2o2LjZkddFRw471CXUxYOnPjdu7hlWSWwtDR9mt0mY4MoCNFtIST+n8YzN4+DFaid46Z0xaVCu+796Ix/GwtlIXuOLHLAsiujrXCGMXARJwpsWiFQyyyUgrMUuBN3/vts1tcmNS1SSBTxj3qMTzwbJfPiZsxoZhEcHbr/II= Message-ID: <86802c440803301920o47335876yac12a5a09d1a8cc9@mail.gmail.com> Date: Sun, 30 Mar 2008 19:20:11 -0700 From: "Yinghai Lu" To: "Jack Steiner" Subject: Re: [RFC 8/8] x86_64: Support for new UV apic Cc: "Andi Kleen" , "Ingo Molnar" , tglx@linutronix.de, linux-mm@kvack.org, linux-kernel@vger.kernel.org In-Reply-To: <20080331021821.GC20619@sgi.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20080324182122.GA28327@sgi.com> <87abknhzhd.fsf@basil.nowhere.org> <20080325175657.GA6262@sgi.com> <20080326073823.GD3442@elte.hu> <86802c440803301323q5c4bd4f4k1f9bdc1d6b1a0a7b@mail.gmail.com> <20080330210356.GA13383@sgi.com> <20080330211848.GA29105@one.firstfloor.org> <86802c440803301629g6d1b896o27e12ef3c84ded2c@mail.gmail.com> <20080331021821.GC20619@sgi.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 854 Lines: 24 On Sun, Mar 30, 2008 at 7:18 PM, Jack Steiner wrote: > > > > if the calling path like GET_APIC_ID is keeping checking if it is UV > > box after boot time, that may not good. > > > > don't need make other hundreds of machine keep running the code only > > for several big box all the time. > > > > YH > > > I added trace code to see how often GET_APIC_ID() is called. For > my 8p AMD box, the function is called 6 times per cpu during boot. > I have not seen any other calls to the function after early boot > although I'm they occur under some circumstances. then it is ok. YH -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/