From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932202Ab1GNUfS (ORCPT ); Thu, 14 Jul 2011 16:35:18 -0400 Received: from smtp-out.google.com ([74.125.121.67]:53942 "EHLO smtp-out.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753071Ab1GNUfR (ORCPT ); Thu, 14 Jul 2011 16:35:17 -0400 DomainKey-Signature: a=rsa-sha1; s=beta; d=google.com; c=nofws; q=dns; h=from:to:cc:subject:date:message-id:x-mailer; b=DtJ0+hqb0FvB9OjLnuDUOUtvvjJ6bmfrMxKL4vMKs1BrAphRMKesAuPHrF946XWgC 8zEJ7yGvCOhiZF7ChAYmg== From: Mike Waychison To: Greg Kroah-Hartman , Andrew Morton , Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" Cc: x86@kernel.org, linux-kernel@vger.kernel.org, Mike Waychison Subject: [PATCH 1/2] Kconfig: Allow disabling of CONFIG_DEVPORT Date: Thu, 14 Jul 2011 13:34:52 -0700 Message-Id: <1310675693-9204-1-git-send-email-mikew@google.com> X-Mailer: git-send-email 1.7.3.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org It would be useful to build kernels with disabled support of /dev/port for systems where we do not want to allow an administrator to access IO ports directly. To do so however, CONFIG_DEVPORT needs to be user-selectable. Give this configuration option a name and help description. Google-Bug-Id: 3177114 Signed-off-by: Mike Waychison --- drivers/char/Kconfig | 7 ++++++- 1 files changed, 6 insertions(+), 1 deletions(-) diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig index 49502bc..12503f1 100644 --- a/drivers/char/Kconfig +++ b/drivers/char/Kconfig @@ -593,10 +593,15 @@ config TELCLOCK controlling the behavior of this hardware. config DEVPORT - bool + bool "Support for /dev/port" depends on !M68K depends on ISA || PCI default y + help + Enabling this option allows for access to the /dev/port + character device. This device maps IO ports onto a file + interface, so that users with sufficient privilege can read + and write to IO ports directly. If unsure, say yes. source "drivers/s390/char/Kconfig" -- 1.7.3.1