Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754227AbbBFFWZ (ORCPT ); Fri, 6 Feb 2015 00:22:25 -0500 Received: from ozlabs.org ([103.22.144.67]:49137 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751598AbbBFFWX (ORCPT ); Fri, 6 Feb 2015 00:22:23 -0500 From: Rusty Russell To: "lkml" Cc: Rusty Russell Subject: [PATCH 08/29] lguest: don't disable iospace. Date: Fri, 6 Feb 2015 15:51:51 +1030 Message-Id: <1423200112-5354-9-git-send-email-rusty@rustcorp.com.au> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1423200112-5354-1-git-send-email-rusty@rustcorp.com.au> References: <1423200112-5354-1-git-send-email-rusty@rustcorp.com.au> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1222 Lines: 35 This no longer speeds up boot (IDE got better, I guess), but it does stop us probing for a PCI bus. Signed-off-by: Rusty Russell --- arch/x86/lguest/boot.c | 8 -------- 1 file changed, 8 deletions(-) diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c index c1c1544b8485..47ec7f201d27 100644 --- a/arch/x86/lguest/boot.c +++ b/arch/x86/lguest/boot.c @@ -1400,14 +1400,6 @@ __init void lguest_init(void) atomic_notifier_chain_register(&panic_notifier_list, &paniced); /* - * The IDE code spends about 3 seconds probing for disks: if we reserve - * all the I/O ports up front it can't get them and so doesn't probe. - * Other device drivers are similar (but less severe). This cuts the - * kernel boot time on my machine from 4.1 seconds to 0.45 seconds. - */ - paravirt_disable_iospace(); - - /* * This is messy CPU setup stuff which the native boot code does before * start_kernel, so we have to do, too: */ -- 2.1.0 -- 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/