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=-18.7 required=3.0 tests=BAYES_00,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 53A5AC433F5 for ; Sat, 11 Sep 2021 03:48:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3F1C361212 for ; Sat, 11 Sep 2021 03:48:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235324AbhIKDt5 (ORCPT ); Fri, 10 Sep 2021 23:49:57 -0400 Received: from out5-smtp.messagingengine.com ([66.111.4.29]:55707 "EHLO out5-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235300AbhIKDtb (ORCPT ); Fri, 10 Sep 2021 23:49:31 -0400 Received: from compute6.internal (compute6.nyi.internal [10.202.2.46]) by mailout.nyi.internal (Postfix) with ESMTP id 982005C0191; Fri, 10 Sep 2021 23:48:19 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute6.internal (MEProxy); Fri, 10 Sep 2021 23:48:19 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ilammy.net; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; s=fm2; bh=UtuZPwZ+Fw93V aE+L4bJab8rAtlR8ivT2txo06W5xJs=; b=etBpuCx51QGe3lhLkATS6rCxxLJGB DpAAlArYC2TsrahY+HQFpX+fhLug8bHMHBzvxNDag6NKQM9N1FVEJrTNxiJTs+4j 0dB8QHgmc9np+PWYYMkKpbNsEycFN8tpIhVNYGbof52mlwXlnWX9WpDZbWFyaoNa nD0aXZ0qth27kygpl5SCwo+Xymt1dz8hB0R/tYFCyCkUnJxGYkJwoPdJDZoS7Wsy rF4+qnYj1zitLHjl1JXu6igGYoEQjr72jOerpe1cOT0rEJkpvOM5bHPKL8Mdy35Z k1pN3RnN6+fwXDXz0YKuy9oy8+ZQh7yYBjcIISIZyyEWMIlKs+aCsyZdg== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:date:from :in-reply-to:message-id:mime-version:references:subject:to :x-me-proxy:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s= fm3; bh=UtuZPwZ+Fw93VaE+L4bJab8rAtlR8ivT2txo06W5xJs=; b=bYs0jBya BbM5O98vjQIlwIF7KVhVq06mBi7wRLxM/Ml35Vbp6OVTjokRjg7iX+t89VIVc6Z2 KXP2xD9id1TFWMIX416gBwXcnOwlvSoakRWhoFnpYMZ0x0iQboLO47F2LgWu8slu NEILIckNs+vwtBlmhLfFlvEzuVCVPr4fUjiPgicy9nmyvKo/n2DrPSUk3WisyGqu /WWYk3uYdv8a97YBcFDu5r4UwDWnjdsPgx71yjnhfPGbg4y2WkRU0RvkD3bTPA15 MOqTcH/Q25/zzban9FiwcLy3Aw8bksTFjo21bgfk3MNdmCuF5Y5ujJc+HlxQ95h7 Cl1027vsZ1/71Q== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvtddrudegvddgjedvucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhephffvufffkffojghfggfgsedtkeertdertddtnecuhfhrohhmpeetlhgvgigv ihcunfhoiihovhhskhihuceomhgvsehilhgrmhhmhidrnhgvtheqnecuggftrfgrthhtvg hrnhepteeujeehkeejueevieehgfeuheelleeggfehfefffeekjeduueejjeeugfetueek necuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehmrghilhhfrhhomhepmhgvse hilhgrmhhmhidrnhgvth X-ME-Proxy: Received: by mail.messagingengine.com (Postfix) with ESMTPA; Fri, 10 Sep 2021 23:48:18 -0400 (EDT) From: Alexei Lozovsky To: Thomas Gleixner Cc: Alexey Dobriyan , Christoph Lameter , LKML , linux-fsdevel@vger.kernel.org Subject: [PATCH 4/7] x86/irq: arch_irq_stat() returns unsigned int Date: Sat, 11 Sep 2021 12:48:05 +0900 Message-Id: <20210911034808.24252-5-me@ilammy.net> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210911034808.24252-1-me@ilammy.net> References: <06F4B1B0-E4DE-4380-A8E1-A5ACAD285163@ilammy.net> <20210911034808.24252-1-me@ilammy.net> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org irq_err_count is atomic_t, extending it to u64 does not make the value wider, it's still unsigned int and will wrap around like unsigned int. Signed-off-by: Alexei Lozovsky --- arch/x86/include/asm/hardirq.h | 2 +- arch/x86/kernel/irq.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/x86/include/asm/hardirq.h b/arch/x86/include/asm/hardirq.h index 461536b45391..3b0d79e72871 100644 --- a/arch/x86/include/asm/hardirq.h +++ b/arch/x86/include/asm/hardirq.h @@ -57,7 +57,7 @@ extern void ack_bad_irq(unsigned int irq); extern unsigned int arch_irq_stat_cpu(unsigned int cpu); #define arch_irq_stat_cpu arch_irq_stat_cpu -extern u64 arch_irq_stat(void); +extern unsigned int arch_irq_stat(void); #define arch_irq_stat arch_irq_stat diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c index cefe1bc9f42c..18691ed499d1 100644 --- a/arch/x86/kernel/irq.c +++ b/arch/x86/kernel/irq.c @@ -218,9 +218,9 @@ unsigned int arch_irq_stat_cpu(unsigned int cpu) return sum; } -u64 arch_irq_stat(void) +unsigned int arch_irq_stat(void) { - u64 sum = atomic_read(&irq_err_count); + unsigned int sum = atomic_read(&irq_err_count); return sum; } -- 2.25.1