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 1FF3A1A4E7A; Wed, 25 Sep 2024 11:39:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727264376; cv=none; b=mn5z9Q7X/GypRrbn5B1He+YFFNQwX5WDsWvpOc0PQWtP0eCQASYtu2Ekb7VHdHqnMvBdhxIM7zO4fMXu9h5LivLVhlaObMMpsQydr8IpODvQyY9gfRw+tmmTWwH7jsTBU998H2yddQccI3dXe5Dz1h1/fu2/jIUSZrOgy+1M7Wo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727264376; c=relaxed/simple; bh=pZfoA7z32V589kbb+75soeo8snYzz0ePiOOWInwpiUY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=NFclCCUv/Wm/DdOzFDom/BdCTVSQomUq0P4W9mrJmvs/dpQOq7Es7m69Q8W/VOJApELMzKh2XYkQ8mj+TMHbt6GDI/g2oOIipLAd9D3yAgVuDTWgFpooOQXy7TIjYRRpi+btCS9Pg3zQ4AWI+E214DVNVHHNhzQgNFL+yjMW1/A= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=QPzMDNH2; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="QPzMDNH2" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 377E2C4CEC3; Wed, 25 Sep 2024 11:39:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1727264375; bh=pZfoA7z32V589kbb+75soeo8snYzz0ePiOOWInwpiUY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QPzMDNH2K87dK4VzWZOmUQGF/sktVD25vz0iDB1aYocnoKoJD8FE9wJF7wvd5pgKH MZsDxtWEy36CrXd1PIiJoC/I0VZPKlaWUNLvSXo9Sk0AotBg/EJriiKBu1cXrTetXW tC7H3KlfA4frHKF0D+6JlLzJol6jraVPoT9aBvmwMXuIPqcyA9VhAl8XlZGCP/ePYR 0LYZ3tZoQ0hgZSz2qaCWSiRwYeh+Fg7pgZryhRM1XNSaMkA+2L0FOTHaZ04aydQP9h qNulqk9v3fPt/ZkltrjY2ROWsKHCFtNDuWtDcKow3AIGCFqQVIbbVzGje1T6r56zly drDupVCqzFYqw== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Huacai Chen , Xi Ruoyao , Binbin Zhou , Viresh Kumar , Sasha Levin , chenhuacai@kernel.org, rafael@kernel.org, loongarch@lists.linux.dev, linux-pm@vger.kernel.org Subject: [PATCH AUTOSEL 6.11 073/244] cpufreq: loongson3: Use raw_smp_processor_id() in do_service_request() Date: Wed, 25 Sep 2024 07:24:54 -0400 Message-ID: <20240925113641.1297102-73-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240925113641.1297102-1-sashal@kernel.org> References: <20240925113641.1297102-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.11 Content-Transfer-Encoding: 8bit From: Huacai Chen [ Upstream commit 2b7ec33e534f7a10033a5cf07794acf48b182bbe ] Use raw_smp_processor_id() instead of plain smp_processor_id() in do_service_request(), otherwise we may get some errors with the driver enabled: BUG: using smp_processor_id() in preemptible [00000000] code: (udev-worker)/208 caller is loongson3_cpufreq_probe+0x5c/0x250 [loongson3_cpufreq] Reported-by: Xi Ruoyao Tested-by: Binbin Zhou Signed-off-by: Huacai Chen Signed-off-by: Viresh Kumar Signed-off-by: Sasha Levin --- drivers/cpufreq/loongson3_cpufreq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/cpufreq/loongson3_cpufreq.c b/drivers/cpufreq/loongson3_cpufreq.c index 5f79b6de127c9..6b5e6798d9a28 100644 --- a/drivers/cpufreq/loongson3_cpufreq.c +++ b/drivers/cpufreq/loongson3_cpufreq.c @@ -176,7 +176,7 @@ static DEFINE_PER_CPU(struct loongson3_freq_data *, freq_data); static inline int do_service_request(u32 id, u32 info, u32 cmd, u32 val, u32 extra) { int retries; - unsigned int cpu = smp_processor_id(); + unsigned int cpu = raw_smp_processor_id(); unsigned int package = cpu_data[cpu].package; union smc_message msg, last; -- 2.43.0