Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030381AbWAGJnY (ORCPT ); Sat, 7 Jan 2006 04:43:24 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932710AbWAGJnY (ORCPT ); Sat, 7 Jan 2006 04:43:24 -0500 Received: from zproxy.gmail.com ([64.233.162.202]:26038 "EHLO zproxy.gmail.com") by vger.kernel.org with ESMTP id S932709AbWAGJnX convert rfc822-to-8bit (ORCPT ); Sat, 7 Jan 2006 04:43:23 -0500 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=VZST0giG1s1AIB++aLST1pTDmxDFe2XU1/BU9ppIPTtS3vQl4AwudNvjMnfSlf/O+gW0AZgwsiInLu1hysRbbw6h/eVoTo6FCyN1rCZPwjZ5T3tgjwDDw3S9VBWHob5XdgrQBzCFMdrUlxhIFr2gdEnT2wKvzgSxRsT3CdLprkg= Message-ID: <86802c440601070143v44ee9f4dua2dcef2a536d4c73@mail.gmail.com> Date: Sat, 7 Jan 2006 01:43:22 -0800 From: yhlu To: Andi Kleen , ebiederm@xmission.com Subject: Re: Inclusion of x86_64 memorize ioapic at bootup patch Cc: Vivek Goyal , Fastboot mailing list , linux kernel mailing list , Morton Andrew Morton In-Reply-To: <86802c440601062320r597d6970i3b120ec90f96abce@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Content-Disposition: inline References: <6F7DA19D05F3CF40B890C7CA2DB13A42030949CB@ssvlexmb2.amd.com> <86802c440601061832m4898e20fw4c9a8360e85cfa17@mail.gmail.com> <86802c440601062238r1b304cd4j2d9c8e14a8324618@mail.gmail.com> <86802c440601062320r597d6970i3b120ec90f96abce@mail.gmail.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 768 Lines: 24 andi, In LinuxBIOS, we don't set the MPS 0x467 and the AP still can be started by BSP. are these really needed for x86_64? Dprintk("Setting warm reset code and vector.\n"); CMOS_WRITE(0xa, 0xf); local_flush_tlb(); Dprintk("1.\n"); *((volatile unsigned short *) phys_to_virt(0x469)) = start_rip >> 4; Dprintk("2.\n"); *((volatile unsigned short *) phys_to_virt(0x467)) = start_rip & 0xf; Dprintk("3.\n"); the STARTUP IPI should work well with MPS v1.4 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/