From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935111AbcATUXa (ORCPT ); Wed, 20 Jan 2016 15:23:30 -0500 Received: from pandora.arm.linux.org.uk ([78.32.30.218]:52363 "EHLO pandora.arm.linux.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935059AbcATUXZ (ORCPT ); Wed, 20 Jan 2016 15:23:25 -0500 Date: Wed, 20 Jan 2016 20:23:17 +0000 From: Russell King - ARM Linux To: Sebastian Andrzej Siewior Cc: Grygorii Strashko , linux-rt-users@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Sekhar Nori Subject: Re: [4.4-rt2 PATCH] ARM: highmem: take into account FIX_KMAP_BEGIN in switch_kmaps() Message-ID: <20160120202317.GV19062@n2100.arm.linux.org.uk> References: <1452867647-1410-1-git-send-email-grygorii.strashko@ti.com> <20160120202139.GC2741@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160120202139.GC2741@linutronix.de> 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 On Wed, Jan 20, 2016 at 09:21:39PM +0100, Sebastian Andrzej Siewior wrote: > * Grygorii Strashko | 2016-01-15 16:20:47 [+0200]: > > >--- a/arch/arm/mm/highmem.c > >+++ b/arch/arm/mm/highmem.c > >@@ -175,7 +180,7 @@ void switch_kmaps(struct task_struct *prev_p, struct task_struct *next_p) > > * Restore @next_p's kmap_atomic mappings > > */ > > for (i = 0; i < next_p->kmap_idx; i++) { > >- int idx = i + KM_TYPE_NR * smp_processor_id(); > >+ int idx = fixmap_idx(i); > > > > if (!pte_none(next_p->kmap_pte[i])) > > set_fixmap_pte(idx, next_p->kmap_pte[i]); > > Grygorii, if you remove this chunk then it should apply upstream. Could > you forward it upstream then please? So the -RT piece would shrink a > little:) Or I could commit my own patch which forms a proportion of this change. -- RMK's Patch system: http://www.arm.linux.org.uk/developer/patches/ FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up according to speedtest.net.