Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754579AbZKCRbz (ORCPT ); Tue, 3 Nov 2009 12:31:55 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754282AbZKCRby (ORCPT ); Tue, 3 Nov 2009 12:31:54 -0500 Received: from mail-ew0-f207.google.com ([209.85.219.207]:52713 "EHLO mail-ew0-f207.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752259AbZKCRbx (ORCPT ); Tue, 3 Nov 2009 12:31:53 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=uaNeI3i6vPvSY55hZ9g7YI6I+T3RVQS9kFPVmesdVi20EuzM/fQV0Av65IIUVwMOS5 RPxo8gScRK5Y79H2F8ZS+QQtHxrbOGd1KymIYsnreZWk3dEocJLTBGjxUZBn+aEqdo+q kT8m+wL/pFNYyXNAxaqd3R3GgtEtrqCd/fMt4= MIME-Version: 1.0 In-Reply-To: <20091103003511.GL7768@obsidianresearch.com> References: <20091103003511.GL7768@obsidianresearch.com> Date: Tue, 3 Nov 2009 09:31:55 -0800 Message-ID: Subject: Re: [tpmdd-devel] [PATCH] TPM: Let the tpm char device be openable multiple times From: Hal Finney To: Jason Gunthorpe Cc: tpmdd-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, srajiv@linux.vnet.ibm.com Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 488 Lines: 11 What if you don't want it accessible by user mode apps, you only want your middleware (ie tcs daemon, tcsd) to open it? Will this still allow that to be enforced, so nobody can interfere with tcsd's exclusive access to the device? Hal Finney -- 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/