From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 676F6C33CB1 for ; Sun, 19 Jan 2020 10:34:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 450FD20674 for ; Sun, 19 Jan 2020 10:34:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726889AbgASKeI (ORCPT ); Sun, 19 Jan 2020 05:34:08 -0500 Received: from Galois.linutronix.de ([193.142.43.55]:60000 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726744AbgASKeI (ORCPT ); Sun, 19 Jan 2020 05:34:08 -0500 Received: from bigeasy by Galois.linutronix.de with local (Exim 4.80) (envelope-from ) id 1it7u4-0001Xn-Ky; Sun, 19 Jan 2020 11:34:00 +0100 Date: Sun, 19 Jan 2020 11:34:00 +0100 From: Sebastian Andrzej Siewior To: Scott Wood Cc: LKML , linux-rt-users , Steven Rostedt , Thomas Gleixner Subject: Re: [PATCH RT] Revert "cpumask: Disable CONFIG_CPUMASK_OFFSTACK for RT" Message-ID: <20200119103400.3vj4dr4sr4hxyxus@linutronix.de> References: <20191218174159.ndcvzgqxavpcb37c@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2020-01-19 02:03:23 [-0600], Scott Wood wrote: > I get splats with this due to zalloc_cpumask_var() with preemption disabled > (from the get_cpu() in x86 flush_tlb_mm_range()): Is http://lkml.kernel.org/r/20200117090137.1205765-1-bigeasy@linutronix.de solving the issue? Sebastian