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=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 8B6A9C07E9C for ; Sat, 10 Jul 2021 02:40:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 779D06124C for ; Sat, 10 Jul 2021 02:40:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235244AbhGJCnC (ORCPT ); Fri, 9 Jul 2021 22:43:02 -0400 Received: from mail.kernel.org ([198.145.29.99]:60628 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235231AbhGJClm (ORCPT ); Fri, 9 Jul 2021 22:41:42 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id ED4A1613BE; Sat, 10 Jul 2021 02:38:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1625884737; bh=nrRvggJviXFfdy9LsU0DWs5Wxc2DOv6ikzovAtFzfGs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=niYLsVpJ5/5/9Ufm7f5xudvGUXpEgEivJdfjwk6mHG4cdpr77zjU91GQKmqjZMCDD W7CGfTvf+A5U/+9Duej4fsfGswrRgGi0TVlH2q60GnOAzt6pCnMY3e8tr9HuBbbPTq N152wOTVxpnEh4KsPV49dGoM8U7F3kfJB7PpUGaHO7PNLy6Wjf2+GV8lV0m2yBp22s J3ekLono9Np+34wC3fUJrGS8KniPaMVvJe0LAl647WBdRLKBy1BPejQ7BpiCAFKZyE Hyg9QPCPOfaq65t+fVZKelXSndDmxi02cRK5A6um98rWRNFHpO1jg8ODdyS3gPwnGT 55o5nIgzAOQ0A== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Athira Rajeev , Shirisha Ganta , Michael Ellerman , Sasha Levin , linuxppc-dev@lists.ozlabs.org, linux-kselftest@vger.kernel.org Subject: [PATCH AUTOSEL 4.9 16/26] selftests/powerpc: Fix "no_handler" EBB selftest Date: Fri, 9 Jul 2021 22:35:54 -0400 Message-Id: <20210710023604.3172486-16-sashal@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210710023604.3172486-1-sashal@kernel.org> References: <20210710023604.3172486-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Athira Rajeev [ Upstream commit 45677c9aebe926192e59475b35a1ff35ff2d4217 ] The "no_handler_test" in ebb selftests attempts to read the PMU registers twice via helper function "dump_ebb_state". First dump is just before closing of event and the second invocation is done after closing of the event. The original intention of second dump_ebb_state was to dump the state of registers at the end of the test when the counters are frozen. But this will be achieved with the first call itself since sample period is set to low value and PMU will be frozen by then. Hence patch removes the dump which was done before closing of the event. Reported-by: Shirisha Ganta Signed-off-by: Athira Rajeev Tested-by: Nageswara R Sastry > Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/1621950703-1532-2-git-send-email-atrajeev@linux.vnet.ibm.com Signed-off-by: Sasha Levin --- tools/testing/selftests/powerpc/pmu/ebb/no_handler_test.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/tools/testing/selftests/powerpc/pmu/ebb/no_handler_test.c b/tools/testing/selftests/powerpc/pmu/ebb/no_handler_test.c index 8341d7778d5e..87630d44fb4c 100644 --- a/tools/testing/selftests/powerpc/pmu/ebb/no_handler_test.c +++ b/tools/testing/selftests/powerpc/pmu/ebb/no_handler_test.c @@ -50,8 +50,6 @@ static int no_handler_test(void) event_close(&event); - dump_ebb_state(); - /* The real test is that we never took an EBB at 0x0 */ return 0; -- 2.30.2