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=-6.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, NICE_REPLY_A,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 3B1CBC433E2 for ; Mon, 31 Aug 2020 18:32:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1DEA620936 for ; Mon, 31 Aug 2020 18:32:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598898763; bh=IJWqZYiEAgu6edR7LUZp0oV9domNNjSkxvSunR2fNlY=; h=Date:From:To:Cc:Subject:In-Reply-To:References:List-ID:From; b=sBeELaEo8YxQvhwgt0HBedOOyyOwuUYqc5RfFcLt/Jtu0CtL8ouKinWJuReBdty/0 64JZbLoQlw2TYnfjwC3k+XTUlxDZ/q2g++biiDVX7BdGIvH8dLTjgS2LIjPdy/kjmk d0uGuKyXjncjYwOchd2nuNmLr+h6kbpjQrp7oJvQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729403AbgHaScm (ORCPT ); Mon, 31 Aug 2020 14:32:42 -0400 Received: from mail.kernel.org ([198.145.29.99]:46290 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728203AbgHaScl (ORCPT ); Mon, 31 Aug 2020 14:32:41 -0400 Received: from X1 (unknown [65.49.58.28]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 1F9D32068E; Mon, 31 Aug 2020 18:32:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598898761; bh=IJWqZYiEAgu6edR7LUZp0oV9domNNjSkxvSunR2fNlY=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=gdPtafFq042MKMz9tTXZSnpsHiYRrVAePxsYjzVvAD7AHLeDpt/M0XxKJ9BP2kXJr CCvOoo//ZMOIWncG96EmcImuxOr/91W41xKcKhDpRE6gB9xwuJpKtrnYHuWGmsUv3K nEnCrZcPAuSM8C70lfdbJyuEKbTsiuG+dmPgxiQI= Date: Mon, 31 Aug 2020 11:32:38 -0700 From: Andrew Morton To: albert.linde@gmail.com Cc: bp@alien8.de, mingo@redhat.com, corbet@lwn.net, tglx@linutronix.de, arnd@arndb.de, peterz@infradead.org, akinobu.mita@gmail.com, hpa@zytor.com, viro@zeniv.linux.org.uk, glider@google.com, andreyknvl@google.com, dvyukov@google.com, elver@google.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, x86@kernel.org, Albert van der Linde Subject: Re: [PATCH v3 0/3] add fault injection to user memory access Message-Id: <20200831113238.b6b38076bb02076458592a3d@linux-foundation.org> In-Reply-To: <20200831171733.955393-1-alinde@google.com> References: <20200831171733.955393-1-alinde@google.com> X-Mailer: Sylpheed 3.5.1 (GTK+ 2.24.32; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 31 Aug 2020 17:17:30 +0000 albert.linde@gmail.com wrote: > The goal of this series is to improve testing of fault-tolerance in > usages of user memory access functions, by adding support for fault > injection. Does anyone actually plan to use this feature, on an ongoing basis? It's the sort of thing which the various test robots could exploit, but I'm not sure that they are using fault injection?