Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752963AbYKGVg7 (ORCPT ); Fri, 7 Nov 2008 16:36:59 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751851AbYKGVgj (ORCPT ); Fri, 7 Nov 2008 16:36:39 -0500 Received: from smtp1.Stanford.EDU ([171.67.219.81]:50831 "EHLO smtp1.stanford.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751730AbYKGVgi (ORCPT ); Fri, 7 Nov 2008 16:36:38 -0500 Subject: Re: 2.6.26.6-rt11: BUGs (sleeping function called from invalid context) From: Fernando Lopez-Lezcano To: Peter Zijlstra Cc: Steven Rostedt , LKML , Ingo Molnar In-Reply-To: <1226085407.31966.58.camel@lappy.programming.kicks-ass.net> References: <1226083858.20569.14.camel@localhost.localdomain> <1226085407.31966.58.camel@lappy.programming.kicks-ass.net> Content-Type: text/plain Date: Fri, 07 Nov 2008 13:35:10 -0800 Message-Id: <1226093710.20569.23.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.22.3.1 (2.22.3.1-1.fc9) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 986 Lines: 28 On Fri, 2008-11-07 at 20:16 +0100, Peter Zijlstra wrote: > On Fri, 2008-11-07 at 14:01 -0500, Steven Rostedt wrote: > > Peter, I think we've seen this before. It is the highmem code sleeping. > > I've been working on an alternative kmap_atomic implementation for -rt, > the below has been build and booted but not stressed, anybody care to > give it a spin ? I'll give it a try. Anything in particular I should try to do? Or not do? Or watch for? -- Fernando > --- > arch/x86/mm/highmem_32.c | 130 ++++++++++++++++++++++++++++++++++++++++++--- > include/asm-x86/highmem.h | 11 ---- > include/linux/sched.h | 5 ++ > kernel/sched.c | 10 ++++ > 4 files changed, 137 insertions(+), 19 deletions(-) > [MUNCH] -- 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/