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=-0.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 6704BC32771 for ; Wed, 22 Jan 2020 04:38:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 392EA2071E for ; Wed, 22 Jan 2020 04:38:56 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="HpWg1TGN" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729049AbgAVEiz (ORCPT ); Tue, 21 Jan 2020 23:38:55 -0500 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:27817 "EHLO us-smtp-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726605AbgAVEiz (ORCPT ); Tue, 21 Jan 2020 23:38:55 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1579667932; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=aG38Vx1puBG+RPiJmI9NRh9p5smiSfqCNqvndnPKL64=; b=HpWg1TGNeI1M8hc5YR3hae7yXNWxFURgv3F6DRHK8J+ITATZglbTKVypsaybEP4VBNxekb 4hs/S7DQGFtgGnvpAiVqCQeA7f2KC4/dyPQOhU1mpUFhrBu1aC5b1tADOx6gMSZPCqsqHd qShrnPjoe8yIdW8VEbM4X3IC41hfIoM= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-102-oQdvpv7CORedz9qJuBr6WA-1; Tue, 21 Jan 2020 23:38:45 -0500 X-MC-Unique: oQdvpv7CORedz9qJuBr6WA-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id E29F066F; Wed, 22 Jan 2020 04:38:43 +0000 (UTC) Received: from ovpn-120-231.rdu2.redhat.com (ovpn-120-231.rdu2.redhat.com [10.10.120.231]) by smtp.corp.redhat.com (Postfix) with ESMTP id 26DCA5C1BB; Wed, 22 Jan 2020 04:38:43 +0000 (UTC) Message-ID: Subject: Re: [PATCH RT] Revert "cpumask: Disable CONFIG_CPUMASK_OFFSTACK for RT" From: Scott Wood To: Sebastian Andrzej Siewior Cc: LKML , linux-rt-users , Steven Rostedt , Thomas Gleixner Date: Tue, 21 Jan 2020 22:38:42 -0600 In-Reply-To: <20200119103400.3vj4dr4sr4hxyxus@linutronix.de> References: <20191218174159.ndcvzgqxavpcb37c@linutronix.de> <20200119103400.3vj4dr4sr4hxyxus@linutronix.de> Organization: Red Hat Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.30.5 (3.30.5-1.fc29) MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, 2020-01-19 at 11:34 +0100, Sebastian Andrzej Siewior wrote: > 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 > Yes, looks good with those patches. -Scott