From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp-out3.simply.com (smtp-out3.simply.com [94.231.106.210]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0D2B2303C9D; Thu, 4 Sep 2025 14:05:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=94.231.106.210 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756994711; cv=none; b=Fk1sOOZJgKHFQrHMwAtyQjcWEq08B9jbu5kvUM1aTcxed2XGw964ArWhRVQR8DW/0CYENtU/FadwuZA+epLfXJx5PI9AyUfxGHD9uva8MbSpYWd1uLBCxoksUa/L5TgdNdbt4Q1T+uGUVDWCX8x4rvtKNVEoA2Fg7A7ZuGDdtzE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756994711; c=relaxed/simple; bh=9UGYpN5Lego2P4czss4c+ufIK4ScIbTQMOH52X2qv+Y=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=SYzy5+WvbOORVgvTa7znn5gYNmVXhNxJ445CnI+sysin4g4HcVAatZlXwNz/IIbnEP87agk3UsLbnDPbWR74V7rlazaWhJ7sezAVISe3Osm1CIXrSJ8CeBWQoMjw5yGji4OUuSan/8KYnhmuyl03rn38EqK+oVh7kzS9hu3XraI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gaisler.com; spf=pass smtp.mailfrom=gaisler.com; dkim=fail (0-bit key) header.d=gaisler.com header.i=@gaisler.com header.b=LAlcubKS reason="key not found in DNS"; arc=none smtp.client-ip=94.231.106.210 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gaisler.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gaisler.com Authentication-Results: smtp.subspace.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=gaisler.com header.i=@gaisler.com header.b="LAlcubKS" Received: from localhost (localhost [127.0.0.1]) by smtp.simply.com (Simply.com) with ESMTP id 4cHh7j05L9z1FXhv; Thu, 4 Sep 2025 16:05:05 +0200 (CEST) Received: from [192.168.0.25] (h-98-128-223-123.NA.cust.bahnhof.se [98.128.223.123]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (Client did not present a certificate) by smtp.simply.com (Simply.com) with ESMTPSA id 4cHh7h5kSYz1FXSw; Thu, 4 Sep 2025 16:05:04 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gaisler.com; s=simplycom2; t=1756994704; bh=J4tJiqKaK/wPgbe9np5CLuawS4hkf0a+JOKMhBWenco=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=LAlcubKSl7KTkISuJ1TFhgZvOgUKn5EaOG46fo1kJg0v6Uk+igNjGK8oEcK7lUU7p OQZTEM/NXLhZxOj4Iu9nF7t6dGoduFIX/qTAehBpa4Nm1xNsEk/aB8poAzpiJGSrta tDGpNMneBggVvxdANWsW9lkZJb4MKoNWSGkdyuk2V3dKLiUali6kSLv/nPabubGiH2 ESHbWMQR5WIgg8Kh8sfKxPqEpFvraGYa1GIDUgI1d3ywS8ykoi20tS2VY3HQnvTYch zYAjMn0wjG8RFSWvop3gVCObWS++V/DBBTmnUuueBTmkAoIwMde0HOvT6q623mrzKf AnH3SiBlLsx1Q== Message-ID: <8403ac15-bb3a-4e88-97ef-6eaff26cc8db@gaisler.com> Date: Thu, 4 Sep 2025 16:05:04 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 2/4] sparc: fix accurate exception reporting in copy_{from_to}_user for UltraSPARC III To: Michael Karcher , Anthony Yznaga , linux-kernel@vger.kernel.org Cc: sparclinux@vger.kernel.org, John Paul Adrian Glaubitz References: <20250826160312.2070-1-kernel@mkarcher.dialup.fu-berlin.de> <20250826160312.2070-3-kernel@mkarcher.dialup.fu-berlin.de> <528a5d4b-1e07-4379-afd6-7e58d423e713@oracle.com> Content-Language: en-US From: Andreas Larsson In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 2025-08-30 10:35, Michael Karcher wrote: > >> I think there should be a little more text about the nature of the failure. Maybe: > > I will add something like that in v2 of the series. > Do you think it is useful to add the message ID > b14f55642207e63e907965e209f6323a0df6dcee.camel@physik.fu-berlin.de > as well, or an abbreviated backtrace from that message? > I suppose, that is the BUG_ON you are referring to. If that is the message referred to, I think it is a good idea to refer to it, in addition to a description. If so, please do it on the form of a lore link, like this: https://lore.kernel.org/r/ Cheers, Andreas