Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933756Ab1CXP7v (ORCPT ); Thu, 24 Mar 2011 11:59:51 -0400 Received: from mga02.intel.com ([134.134.136.20]:21405 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933534Ab1CXP7t (ORCPT ); Thu, 24 Mar 2011 11:59:49 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.63,237,1299484800"; d="scan'208";a="724686048" From: Andi Kleen To: Len Brown Cc: x86@kernel.org, linux-kernel@vger.kernel.org, linux-pm@lists.linux-foundation.org, Len Brown Subject: Re: [PATCH 4/5] x86 idle floppy: delete disable_hlt()/enable_hlt() References: <1300950508-22746-1-git-send-email-lenb@kernel.org> Date: Thu, 24 Mar 2011 08:58:25 -0700 In-Reply-To: (Len Brown's message of "Thu, 24 Mar 2011 03:08:27 -0400") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 624 Lines: 23 Len Brown writes: > > floppy.c said: > > "disable hlt during certain critical i/o operations" > > x86/kernel/process.c said: > > "This halt magic was a workaround for ancient floppy DMA > wreckage. It should be safe to remove." AFAIK it was used on some 386/486s. I suspect it's safe to remove now. -Andi -- ak@linux.intel.com -- Speaking for myself only -- 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/