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=-1.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 D30E7C433DF for ; Fri, 12 Jun 2020 09:29:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A4A652068E for ; Fri, 12 Jun 2020 09:29:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1591954188; bh=zVyHpyDtFCiXB5xPJc1k5wAK9p1eJ1A1sj8x1rolMaU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=bPVeGHkXxvMJu0gm+kGg4rCFSnL/+y2jg19YiuW7T8d5XqZBtjsq6fHIZwrB7cWAD ISHyEXLNIhc4CdPtotsXI32VQxQW9gJkGmc8s4oCyk1n8Y/l/+18VeCRPjpncziBXO PAcJk0VTqUpA9u7/LC65nUT0JWbaubqE1EIuIdz0= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726547AbgFLJ3q (ORCPT ); Fri, 12 Jun 2020 05:29:46 -0400 Received: from mail-ed1-f66.google.com ([209.85.208.66]:36352 "EHLO mail-ed1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726302AbgFLJ3q (ORCPT ); Fri, 12 Jun 2020 05:29:46 -0400 Received: by mail-ed1-f66.google.com with SMTP id y6so670641edi.3; Fri, 12 Jun 2020 02:29:44 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=ULB+5Eic/UpB9LwZ16CsVWwd9UTnUABnWsy4r1SRht8=; b=RKAwMtOxB0WjJ3L2xBrc3uN/J23ab0/1qgcz82buo9JUdv9wSuTHUxGcZNbXZdZ4sf VW6YDHPHk0w8RH4qzVLhGO6LJ9/eoZBYc5rLFsNAYZXOAGWp4xxF1VUk6vneyzR7gIei DQ6gwJ3cJ2DaMreO1hs1b+tlM35PRORyFgVdWh3piZk8bbNbkI059y9qzx9brxATRzKt y/4xp/W2mFIV6GN8Oq8aijnOQcTfmD/uccMDfJRDC9pkbcUxQsyiuMUSd38r53srF2+3 TGlI18ejytPh6mBP55UYSZTxo1zIx7gR5fEKy88VTDFZNZqx8hjs3MgtmCQDlxZoBCjI A+IA== X-Gm-Message-State: AOAM532vkP3O/WJlDcU9bVU4zeQx9mHj/4a+87iWbl42Le10AFL0OegD TJA8PXPJnGug4kEUTgSR4yc= X-Google-Smtp-Source: ABdhPJwMP+GFoBzoOi50JTnAJ2Za87KnSv0JbQ7xeD1nBi+czQydI34qF9r34jzHKwJE5BzeOwXU6w== X-Received: by 2002:a50:b065:: with SMTP id i92mr11435029edd.112.1591954183850; Fri, 12 Jun 2020 02:29:43 -0700 (PDT) Received: from pi3 ([194.230.155.184]) by smtp.googlemail.com with ESMTPSA id l16sm3335817ejx.19.2020.06.12.02.29.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 12 Jun 2020 02:29:43 -0700 (PDT) Date: Fri, 12 Jun 2020 11:29:41 +0200 From: Krzysztof Kozlowski To: Wolfram Sang Cc: Oleksij Rempel , Pengutronix Kernel Team , Shawn Guo , Sascha Hauer , Fabio Estevam , NXP Linux Team , Gao Pan , Fugang Duan , linux-i2c@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: Re: [PATCH] i2c: imx: Fix external abort on early interrupt Message-ID: <20200612092941.GA25990@pi3> References: <1591796802-23504-1-git-send-email-krzk@kernel.org> <20200612090517.GA3030@ninjato> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20200612090517.GA3030@ninjato> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jun 12, 2020 at 11:05:17AM +0200, Wolfram Sang wrote: > On Wed, Jun 10, 2020 at 03:46:42PM +0200, Krzysztof Kozlowski wrote: > > If interrupt comes early (could be triggered with CONFIG_DEBUG_SHIRQ), > > That code is disabled since 2011 (6d83f94db95c ("genirq: Disable the > SHIRQ_DEBUG call in request_threaded_irq for now"))? So, you had this > without fake injection, I assume? No, I observed it only after enabling DEBUG_SHIRQ (to a kernel with some debugging options already). Best regards, Krzysztof