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=-8.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=ham 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 8A172C55ABD for ; Fri, 13 Nov 2020 18:51:52 +0000 (UTC) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [216.205.24.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C81FB21D7F for ; Fri, 13 Nov 2020 18:51:51 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="B6pOPni0" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C81FB21D7F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=tempfail smtp.mailfrom=dm-devel-bounces@redhat.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1605293510; h=from:from:sender:sender: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:list-id:list-help: list-unsubscribe:list-subscribe:list-post; bh=uI5A/ft9CCwGqiMlUr/7xBp1iVizbTQ2VzHxfK0v8p8=; b=B6pOPni0C5/ezLBDiLQv/b0FrApyodUlmHH0U6WhzL7x13pYnLVURzLqj1DTJEA6nTaQV7 1JSARGkJbjfUKp9J8hjz/sX8wCF7huxeoBJ45dQZSWORb+CHvN1JDgu8Hq0OJnsGvH2Izr 7B8VoAG41RL07nPLYcXq90GvSMwX24Q= 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-5-2Opq8S30PDK4nzGKQ5cOEw-1; Fri, 13 Nov 2020 13:51:47 -0500 X-MC-Unique: 2Opq8S30PDK4nzGKQ5cOEw-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 0D5801007478; Fri, 13 Nov 2020 18:51:42 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.21]) by smtp.corp.redhat.com (Postfix) with ESMTPS id B26F26266E; Fri, 13 Nov 2020 18:51:40 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id E972858104; Fri, 13 Nov 2020 18:51:37 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id 0ADIpaKv011763 for ; Fri, 13 Nov 2020 13:51:36 -0500 Received: by smtp.corp.redhat.com (Postfix) id 13E196EF4A; Fri, 13 Nov 2020 18:51:36 +0000 (UTC) Received: from localhost (unknown [10.18.25.174]) by smtp.corp.redhat.com (Postfix) with ESMTPS id E720C6EF48; Fri, 13 Nov 2020 18:51:32 +0000 (UTC) Date: Fri, 13 Nov 2020 13:51:31 -0500 From: Mike Snitzer To: Sebastian Andrzej Siewior Message-ID: <20201113185131.GA3671@redhat.com> References: <20201113141910.2215071-1-bigeasy@linutronix.de> MIME-Version: 1.0 In-Reply-To: <20201113141910.2215071-1-bigeasy@linutronix.de> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-loop: dm-devel@redhat.com Cc: dm-devel@redhat.com, Thomas Gleixner , Alasdair Kergon Subject: Re: [dm-devel] dm table: Remove BUG_ON(in_interrupt()) X-BeenThere: dm-devel@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: device-mapper development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=dm-devel-bounces@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Disposition: inline Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit On Fri, Nov 13 2020 at 9:19am -0500, Sebastian Andrzej Siewior wrote: > From: Thomas Gleixner > > The BUG_ON(in_interrupt()) in dm_table_event() is a historic leftover from > a rework of the dm table code which changed the calling context. > > Issuing a BUG for a wrong calling context is frowned upon and > in_interrupt() is deprecated and only covering parts of the wrong > contexts. The sanity check for the context is covered by > CONFIG_DEBUG_ATOMIC_SLEEP and other debug facilities already. > > Signed-off-by: Thomas Gleixner > Signed-off-by: Sebastian Andrzej Siewior > Cc: dm-devel@redhat.com > Cc: Mike Snitzer > Cc: Alasdair Kergon I picked this up for 5.11, thanks. -- dm-devel mailing list dm-devel@redhat.com https://www.redhat.com/mailman/listinfo/dm-devel