From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: Re: [PATCH 12/14] ARM: v6k: do not disable CPU_32v6K based on platform selection Date: Mon, 17 Jan 2011 15:24:11 -0800 Message-ID: <20110117232410.GK4957@atomide.com> References: <20110117192050.GE23331@n2100.arm.linux.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mho-02-ewr.mailhop.org ([204.13.248.72]:34539 "EHLO mho-02-ewr.mailhop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751092Ab1AQXYQ (ORCPT ); Mon, 17 Jan 2011 18:24:16 -0500 Content-Disposition: inline In-Reply-To: Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Russell King - ARM Linux Cc: linux-arm-kernel@lists.infradead.org, linux-omap@vger.kernel.org * Russell King - ARM Linux [110117 11:24]: > CPU_32v6K controls whether we use the ARMv6K extension instructions in > the kernel, and in some places whether we use SMP-safe code sequences > (eg, bitops.) > > MX3 prevents the selection of this option to ensure that it is not > enabled for their CPU, which is ARMv6 only. Now that we've split the > CPU_V6 option, V6K support won't be offered for MX3 anymore. > > OMAP prevents the selection of this option in an attempt to produce a > kernel which runs on architectures from ARMv6 to ARMv7 MPCore. We now > achieve this in a different way (see the previous patches). > > As such, we no longer need to offer this as a configuration option to > the user. > > Signed-off-by: Russell King Tested-by: Tony Lindgren From mboxrd@z Thu Jan 1 00:00:00 1970 From: tony@atomide.com (Tony Lindgren) Date: Mon, 17 Jan 2011 15:24:11 -0800 Subject: [PATCH 12/14] ARM: v6k: do not disable CPU_32v6K based on platform selection In-Reply-To: References: <20110117192050.GE23331@n2100.arm.linux.org.uk> Message-ID: <20110117232410.GK4957@atomide.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org * Russell King - ARM Linux [110117 11:24]: > CPU_32v6K controls whether we use the ARMv6K extension instructions in > the kernel, and in some places whether we use SMP-safe code sequences > (eg, bitops.) > > MX3 prevents the selection of this option to ensure that it is not > enabled for their CPU, which is ARMv6 only. Now that we've split the > CPU_V6 option, V6K support won't be offered for MX3 anymore. > > OMAP prevents the selection of this option in an attempt to produce a > kernel which runs on architectures from ARMv6 to ARMv7 MPCore. We now > achieve this in a different way (see the previous patches). > > As such, we no longer need to offer this as a configuration option to > the user. > > Signed-off-by: Russell King Tested-by: Tony Lindgren