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=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_PASS 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 1F31AC43219 for ; Fri, 3 May 2019 07:06:45 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id CD6BB205F4 for ; Fri, 3 May 2019 07:06:44 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CD6BB205F4 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 44wNTt5NlhzDqQB for ; Fri, 3 May 2019 17:06:42 +1000 (AEST) Received: from ozlabs.org (bilbo.ozlabs.org [203.11.71.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 44wNK64wLyzDqPW for ; Fri, 3 May 2019 16:59:06 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Received: by ozlabs.org (Postfix, from userid 1034) id 44wNK649xcz9sD4; Fri, 3 May 2019 16:59:06 +1000 (AEST) X-powerpc-patch-notification: thanks X-powerpc-patch-commit: 83e367f9ad18d42a1883ee29f20608a2b93e1071 X-Patchwork-Hint: ignore In-Reply-To: <1547744514-7276-1-git-send-email-leitao@debian.org> To: Breno Leitao , linuxppc-dev@lists.ozlabs.org From: Michael Ellerman Subject: Re: [PATCH] Selftests/powerpc: Add a signal fuzzer selftest Message-Id: <44wNK649xcz9sD4@ozlabs.org> Date: Fri, 3 May 2019 16:59:06 +1000 (AEST) X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Breno Leitao , mikey@neuling.org, gromero@linux.vnet.ibm.com Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Thu, 2019-01-17 at 17:01:54 UTC, Breno Leitao wrote: > This is a new selftest that raises SIGUSR1 signals and handles it in a set > of different ways, trying to create different scenario for testing > purpose. > > This test works raising a signal and calling sigreturn interleaved with > TM operations, as starting, suspending and terminating a transaction. The > test depends on random numbers, and, based on them, it sets different TM > states. > > Other than that, the test fills out the user context struct that is passed > to the sigreturn system call with random data, in order to make sure that > the signal handler syscall can handle different and invalid states > properly. > > This selftest has command line parameters to control what kind of tests the > user wants to run, as for example, if a transaction should be started prior > to signal being raised, or, after the signal being raised and before the > sigreturn. If no parameter is given, the default is enabling all options. > > This test does not check if the user context is being read and set > properly by the kernel. Its purpose, at this time, is basically > guaranteeing that the kernel does not crash on invalid scenarios. > > Signed-off-by: Breno Leitao Applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/83e367f9ad18d42a1883ee29f20608a2 cheers