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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5EF68C433FE for ; Wed, 15 Dec 2021 17:08:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245165AbhLORIh (ORCPT ); Wed, 15 Dec 2021 12:08:37 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60020 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235069AbhLORIh (ORCPT ); Wed, 15 Dec 2021 12:08:37 -0500 Received: from galois.linutronix.de (Galois.linutronix.de [IPv6:2a0a:51c0:0:12e:550::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C9071C061574; Wed, 15 Dec 2021 09:08:36 -0800 (PST) Date: Wed, 15 Dec 2021 18:08:34 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1639588115; 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=RI8NLXBUCWsXJabSzD5c5VTKqgHlJN50jp2SThaAlXc=; b=DxHvAalkg++Zn0R80iHIQ4Xpmrdjf7v6DAqL3ye13+7TqIrrYCactnCf6KPkPlEBHGo53h W1I3RB+4hNHm78b5S0hRr2iPVEkmfM0fbT64ANsyaF+6dWSVNZRfozN5DIU5LW7D5O6PsM RFelWyRbmcJhe0zAN5KpYkpuFuwKKnM+a+F/zzWfYKxgveaWkXw7x7qxUnEMEZLdS1nNzZ JwUy5iWfva7jcY4ThqG+SzXYQqpBlvbB8jUxecI2LJKu04uWTb2N9Zmvq1OasgVfPbrOPv xwuK+7lVb7TNiQSdgyG4PA4r7QOz+dsGww3Qq0p8DCerH+DwxFYMarlr/W2SDA== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1639588115; 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=RI8NLXBUCWsXJabSzD5c5VTKqgHlJN50jp2SThaAlXc=; b=jJXB+Q46v7yLP8dOYOTa+t+wB8UmkL02k8pjmEyvTMgeIFBnprLsryCqmnYxfmK3jjsmXV bE0ePC6/F3fIPRCQ== From: Sebastian Andrzej Siewior To: Wander Lairson Costa Cc: linux-kernel@vger.kernel.org, Steven Rostedt , Thomas Gleixner , linux-rt-users@vger.kernel.org Subject: Re: [PATCH v2 2/2] blktrace: switch trace spinlock to a raw spinlock Message-ID: References: <20211213123737.9147-1-wander@redhat.com> <20211213123737.9147-3-wander@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable In-Reply-To: <20211213123737.9147-3-wander@redhat.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2021-12-13 09:37:37 [-0300], Wander Lairson Costa wrote: =E2=80=A6 > To avoid this bug, we switch the trace lock to a raw spinlock. Steven, do you think this is a good idea? Sebastian