Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752308AbbGWH2n (ORCPT ); Thu, 23 Jul 2015 03:28:43 -0400 Received: from muru.com ([72.249.23.125]:37196 "EHLO muru.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751730AbbGWH2a (ORCPT ); Thu, 23 Jul 2015 03:28:30 -0400 Date: Thu, 23 Jul 2015 00:28:27 -0700 From: Tony Lindgren To: Sebastian Reichel Cc: Russell King , linux-arm-kernel@lists.infradead.org, linux-omap@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/3] ARM: OMAP2+: N900: always enable IBE bit Message-ID: <20150723072827.GD16878@atomide.com> References: <1437612483-30160-1-git-send-email-sre@kernel.org> <1437612483-30160-2-git-send-email-sre@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1437612483-30160-2-git-send-email-sre@kernel.org> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1089 Lines: 24 * Sebastian Reichel [150722 17:50]: > The kernel's workaround for Errata 430973 consists of a BTAC/BTB > flush at context switch. This requires the IBE bit being set, which > should normally be done by the bootloader. > > Since the Nokia N900's bootloader is not easily replaceable, > a pdata quirk enables the IBE bit for the Nokia N900. Until > e748994f5cc5, the flush at context switch required > CONFIG_ARM_ERRATA_430973, so the same check has been used > for setting the IBE bit. > > Since all sold N900s are assumed to be affected, the guard > can be removed now, so that the IBE bit is always set. OK makes sense to me. It's best that you upload these into Russell's patch tracking system after waiting for some more comments. Please feel free to add for the whole series: Acked-by: Tony Lindgren -- 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/