From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 735B939FE5 for ; Wed, 15 Nov 2023 20:56:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="FqBrPwYV" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 24305C4E779; Wed, 15 Nov 2023 20:56:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1700081813; bh=/K5SGCapgBquCu/2+Eqmge7JjIrwakEZS2bWNFjTi8A=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=FqBrPwYV94O19+hqyXoC4GdPm4u/FWk/sBOiU7DaIbH3dNjBsVsC1u9qjh7Ov5jYw 5OO1BBkMnofY25ojq/dcglwoMmsY/IUU5ivwdH5YWZ6ozmrWSf33yiSJvVpk+Acb22 dqDcUiQI2hI1tnPv51FfjzlFJlkoUcJHLoeb0w3Q= 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 5.10 142/191] powerpc/imc-pmu: Use the correct spinlock initializer. Date: Wed, 15 Nov 2023 15:46:57 -0500 Message-ID: <20231115204653.029440739@linuxfoundation.org> X-Mailer: git-send-email 2.42.1 In-Reply-To: <20231115204644.490636297@linuxfoundation.org> References: <20231115204644.490636297@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.10-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 b773c411aa5c2..3e15d0d054b2d 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