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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 61C63C4332F for ; Tue, 22 Nov 2022 20:41:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234924AbiKVUl0 (ORCPT ); Tue, 22 Nov 2022 15:41:26 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46080 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234927AbiKVUj5 (ORCPT ); Tue, 22 Nov 2022 15:39:57 -0500 Received: from smtpout.efficios.com (unknown [IPv6:2607:5300:203:b2ee::31e5]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 01AF46E551; Tue, 22 Nov 2022 12:39:53 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=efficios.com; s=smtpout1; t=1669149593; bh=Uj7UFmczknLn8GfrObDVcaH2jaTFCQ4AqsX1N3NtBH4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BUmSBoT8tcKMOuWgSgeJlbZyKXSL6WYuJsCyq0mob5gkZYLPkqga7KP05RMkBb/EU Pr/yK2o5o2GWfSBGTLPKuH0VpMs4K/v4iaLcv0k+NU+8+rO2N6Z1EjlhErFDARGktJ /02CPk3WU0i3PO9K/dSrVTBgOpNHwS6d/8cR+ZwbLmdA5lVTzULBeFctPVSMVajgtb DMPc4qppNgz70XCwv4SLmyhpvUdiqhmoEri+b7r8xz1PW2pMzuPFB7gemSqJtEk3gB L0tZFg9wGj+fAR8vll18nPCLK6l+2x3hnE1hJs+QeftxoOK/W51+qBafbMh80bHkA7 uDqNkTCrD5Zxw== Received: from localhost.localdomain (192-222-180-24.qc.cable.ebox.net [192.222.180.24]) by smtpout.efficios.com (Postfix) with ESMTPSA id 4NGx2c5hmtzWgn; Tue, 22 Nov 2022 15:39:52 -0500 (EST) From: Mathieu Desnoyers To: Peter Zijlstra Cc: linux-kernel@vger.kernel.org, Thomas Gleixner , "Paul E . McKenney" , Boqun Feng , "H . Peter Anvin" , Paul Turner , linux-api@vger.kernel.org, Christian Brauner , Florian Weimer , David.Laight@ACULAB.COM, carlos@redhat.com, Peter Oskolkov , Alexander Mikhalitsyn , Chris Kennelly , Mathieu Desnoyers Subject: [PATCH 20/30] selftests/rseq: parametrized test: Report/abort on negative concurrency ID Date: Tue, 22 Nov 2022 15:39:22 -0500 Message-Id: <20221122203932.231377-21-mathieu.desnoyers@efficios.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221122203932.231377-1-mathieu.desnoyers@efficios.com> References: <20221122203932.231377-1-mathieu.desnoyers@efficios.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-api@vger.kernel.org Report and abort when a negative concurrency ID value is observed by the spinlock test. Signed-off-by: Mathieu Desnoyers --- tools/testing/selftests/rseq/param_test.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/tools/testing/selftests/rseq/param_test.c b/tools/testing/selftests/rseq/param_test.c index cadb9d884811..bf951a490bb4 100644 --- a/tools/testing/selftests/rseq/param_test.c +++ b/tools/testing/selftests/rseq/param_test.c @@ -410,6 +410,11 @@ static int rseq_this_cpu_lock(struct percpu_lock *lock) int ret; cpu = get_current_cpu_id(); + if (cpu < 0) { + fprintf(stderr, "pid: %d: tid: %d, cpu: %d: cid: %d\n", + getpid(), (int) rseq_gettid(), rseq_current_cpu_raw(), cpu); + abort(); + } ret = rseq_cmpeqv_storev(RSEQ_MO_RELAXED, RSEQ_PERCPU, &lock->c[cpu].v, 0, 1, cpu); -- 2.25.1