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 AEB38C2BB3F for ; Wed, 15 Nov 2023 19:49:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235342AbjKOTtN (ORCPT ); Wed, 15 Nov 2023 14:49:13 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58212 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235348AbjKOTtL (ORCPT ); Wed, 15 Nov 2023 14:49:11 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A72D4C2 for ; Wed, 15 Nov 2023 11:49:08 -0800 (PST) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 26609C433C7; Wed, 15 Nov 2023 19:49:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1700077748; bh=c4YuRie9xhhmW29pwxA6y3tTCO1uESm7C0abb8biDwo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PQv0lp4aAg3UIGDncbTnbx5YlEdv+NxDAgFlg24DCzGfRTU0aT5DapSqo7/vGwFfI j0edL4yTKaHAHqItQxji+izZ9opS/r5z4JPu9mie38/sj418rDYBKCK5LUsjiMa8By a2MkI+IqO1KmILZuCjpRc90EJrFkG2eZIPMmc1W4= 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 6.6 473/603] powerpc/imc-pmu: Use the correct spinlock initializer. Date: Wed, 15 Nov 2023 14:16:58 -0500 Message-ID: <20231115191645.220240634@linuxfoundation.org> X-Mailer: git-send-email 2.42.1 In-Reply-To: <20231115191613.097702445@linuxfoundation.org> References: <20231115191613.097702445@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 6.6-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 9d229ef7f86ef..ada817c49b722 100644 --- a/arch/powerpc/perf/imc-pmu.c +++ b/arch/powerpc/perf/imc-pmu.c @@ -51,7 +51,7 @@ 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