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,HEADER_FROM_DIFFERENT_DOMAINS, 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 B2076C07E99 for ; Mon, 12 Jul 2021 06:54:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9605060FE7 for ; Mon, 12 Jul 2021 06:54:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240176AbhGLG5P (ORCPT ); Mon, 12 Jul 2021 02:57:15 -0400 Received: from mail.kernel.org ([198.145.29.99]:38480 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238589AbhGLGlJ (ORCPT ); Mon, 12 Jul 2021 02:41:09 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 5C8F661132; Mon, 12 Jul 2021 06:38:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1626071899; bh=bLVYdb5/eot21zcHK8AcODvHKYW8MKXwYh3AJjMUh3A=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=TIR2ICBInKK9Uprr6S5f9QIVGZFLOBsVVlxzTOSxolINWh31Mx7d+MQdK2nGWCbUw upnNtfVPid80WGaMib/IRx1teYjEYlx+kH0swUdGn7a1NeW9vbDE59JJF/l8n5IjNI BvmwKYC6Bvr3Xqw2dA57TXbRQkdgwZxtG1g7Vu3E= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, "Peter Zijlstra (Intel)" , Joerg Roedel , Sasha Levin Subject: [PATCH 5.10 268/593] lockdep/selftests: Fix selftests vs PROVE_RAW_LOCK_NESTING Date: Mon, 12 Jul 2021 08:07:08 +0200 Message-Id: <20210712060912.977361466@linuxfoundation.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210712060843.180606720@linuxfoundation.org> References: <20210712060843.180606720@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Peter Zijlstra [ Upstream commit c0c2c0dad6a06e0c05e9a52d65f932bd54364c97 ] When PROVE_RAW_LOCK_NESTING=y many of the selftests FAILED because HARDIRQ context is out-of-bounds for spinlocks. Instead make the default hardware context the threaded hardirq context, which preserves the old locking rules. The wait-type specific locking selftests will have a non-threaded HARDIRQ variant. Fixes: de8f5e4f2dc1 ("lockdep: Introduce wait-type checks") Signed-off-by: Peter Zijlstra (Intel) Tested-by: Joerg Roedel Link: https://lore.kernel.org/r/20210617190313.322096283@infradead.org Signed-off-by: Sasha Levin --- lib/locking-selftest.c | 1 + 1 file changed, 1 insertion(+) diff --git a/lib/locking-selftest.c b/lib/locking-selftest.c index a899b3f0e2e5..76c52b0b76d3 100644 --- a/lib/locking-selftest.c +++ b/lib/locking-selftest.c @@ -186,6 +186,7 @@ static void init_shared_classes(void) #define HARDIRQ_ENTER() \ local_irq_disable(); \ __irq_enter(); \ + lockdep_hardirq_threaded(); \ WARN_ON(!in_irq()); #define HARDIRQ_EXIT() \ -- 2.30.2