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 54B60C5ACB2 for ; Wed, 15 Nov 2023 22:03:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344359AbjKOWD4 (ORCPT ); Wed, 15 Nov 2023 17:03:56 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53054 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344370AbjKOWD4 (ORCPT ); Wed, 15 Nov 2023 17:03:56 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 22E14197 for ; Wed, 15 Nov 2023 14:03:53 -0800 (PST) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8B14CC433C9; Wed, 15 Nov 2023 22:03:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1700085832; bh=VF/9X/FQTurrAwXZHNZV0b13nRZYg60goZ3YsIoS/RM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=RNinfMEyuE6O5aOng/kL1zgPIJLHv4okupnIkxRArJmpnR+JnrpYH3GUcsLG5RgQ0 x45cfUt1G7wWWEADd0b6/hbrjqLwLczyzEu6ENgkKA+NLwVI0eEvT9qhwhlZdvQpQL d3huC3RAQTVZQ7jYam795n6/wXvERV781cmISJ6w= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Sebastian Andrzej Siewior , Michael Ellerman , Sasha Levin Subject: [PATCH 5.4 084/119] powerpc/imc-pmu: Use the correct spinlock initializer. Date: Wed, 15 Nov 2023 17:01:14 -0500 Message-ID: <20231115220135.257198324@linuxfoundation.org> X-Mailer: git-send-email 2.42.1 In-Reply-To: <20231115220132.607437515@linuxfoundation.org> References: <20231115220132.607437515@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org 5.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Sebastian Andrzej Siewior [ Upstream commit 007240d59c11f87ac4f6cfc6a1d116630b6b634c ] The macro __SPIN_LOCK_INITIALIZER() is implementation specific. Users that desire to initialize a spinlock in a struct must use __SPIN_LOCK_UNLOCKED(). Use __SPIN_LOCK_UNLOCKED() for the spinlock_t in imc_global_refc. Fixes: 76d588dddc459 ("powerpc/imc-pmu: Fix use of mutex in IRQs disabled section") Signed-off-by: Sebastian Andrzej Siewior Signed-off-by: Michael Ellerman Link: https://msgid.link/20230309134831.Nz12nqsU@linutronix.de Signed-off-by: Sasha Levin --- arch/powerpc/perf/imc-pmu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/perf/imc-pmu.c b/arch/powerpc/perf/imc-pmu.c index d42f2e091201a..872313021eaa8 100644 --- a/arch/powerpc/perf/imc-pmu.c +++ b/arch/powerpc/perf/imc-pmu.c @@ -50,7 +50,7 @@ static int trace_imc_mem_size; * core and trace-imc */ static struct imc_pmu_ref imc_global_refc = { - .lock = __SPIN_LOCK_INITIALIZER(imc_global_refc.lock), + .lock = __SPIN_LOCK_UNLOCKED(imc_global_refc.lock), .id = 0, .refc = 0, }; -- 2.42.0