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=-8.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham 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 582BAC3A5A2 for ; Mon, 19 Aug 2019 19:36:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2CF85206C1 for ; Mon, 19 Aug 2019 19:36:58 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="UL5jLFgF" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728653AbfHSTg4 (ORCPT ); Mon, 19 Aug 2019 15:36:56 -0400 Received: from mail-wr1-f66.google.com ([209.85.221.66]:41646 "EHLO mail-wr1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728305AbfHSTgz (ORCPT ); Mon, 19 Aug 2019 15:36:55 -0400 Received: by mail-wr1-f66.google.com with SMTP id j16so9899351wrr.8 for ; Mon, 19 Aug 2019 12:36:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:from:to:cc:references:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=nsw6SAWRbaUWjCgBm0sqobaSwadARZ8HUG7Bhcdnm88=; b=UL5jLFgFok1dLDa6GhMNEIzLo/N0dufbp1zdhWrvf5lD3ECnQsEufb/3s5MUbT7x5n 7QM+s5fY7kiu0tPUz/mp8Ea34vIh7imRCWuII1z9rw5ps1mpCKpO78oCY2mHdolUAzyV KujPeb5j1Gh0JYOwig9FHXB8+2E+2xDsLdYikNJab+o1sP200ACrIWOp5dpr5Bs3irE/ Lf4ERM5MMi3EFcpKTLBI/vgeEJZB4jItzRiEmnL5xGj2LwqwCWfjcBqDvpDToldDMpY1 oJ93+k7ZGQKfn8WBVtG3Sjw7xVKhaORP4HkUBSzWCR140dbF1KqQlhLkz1/rCj8l4GW0 M82w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:from:to:cc:references:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=nsw6SAWRbaUWjCgBm0sqobaSwadARZ8HUG7Bhcdnm88=; b=GSKlwliVzloMaaL93mWt86QxA5roR2mtvh2qMNxi9P8B7fbInfVG3GoJEsn9lByCnT 1GUX8j83UXQXhQPQEcmVtwT3K2OOwQ7ZIVjWFGEKHQxdlMctJqHFDGrtl7ZDhe3GSjE0 tRtrLPtD2VTaGzK54vxo++qsqTBjgYpZxD7eR+H+u0JJgEu+wlbW8Uwe5/uV6CbRFI6U mC/dVx00Ece+S7Msl8I7P5NlRWJkd5mxwC/CMUBCDZA+8PaSxxs5wm7Y1u8YdKjkwJ6g Pdxkn4nhN7RTdtBR+jCM2LSxM/5Fy0C9/dQ1Hbl2fyBmqfZi38Bxw6SClodoGEMKDLSZ gWWA== X-Gm-Message-State: APjAAAXxEAsL4G+dljrQ7Z21MA66N4mbA4nKhvShd0V1fFvl/siumEwD wN7fmFaxCgw/sstN6wSOVnCvgKr0 X-Google-Smtp-Source: APXvYqw9sah/I5Hly5q6qBZvIL6zhC7U9zreGgixGw6nNm05lzqDHk376+BZpFF81g98MCj+gmTyTg== X-Received: by 2002:adf:e40e:: with SMTP id g14mr27335141wrm.161.1566243412808; Mon, 19 Aug 2019 12:36:52 -0700 (PDT) Received: from ?IPv6:2003:ea:8f47:db00:69f9:84c:2cc6:baef? (p200300EA8F47DB0069F9084C2CC6BAEF.dip0.t-ipconnect.de. [2003:ea:8f47:db00:69f9:84c:2cc6:baef]) by smtp.googlemail.com with ESMTPSA id p13sm18970170wrw.90.2019.08.19.12.36.52 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 19 Aug 2019 12:36:52 -0700 (PDT) Subject: [PATCH v2 3/3] x86/irq: slightly improve do_IRQ From: Heiner Kallweit To: Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H. Peter Anvin" , x86@kernel.org Cc: Linux Kernel Mailing List References: Message-ID: Date: Mon, 19 Aug 2019 21:36:39 +0200 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org It's simpler and more intuitive to directly check for VECTOR_UNUSED. Signed-off-by: Heiner Kallweit --- arch/x86/kernel/irq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c index f1c8f350d..857b4d7ae 100644 --- a/arch/x86/kernel/irq.c +++ b/arch/x86/kernel/irq.c @@ -252,7 +252,7 @@ __visible unsigned int __irq_entry do_IRQ(struct pt_regs *regs) } else { ack_APIC_irq(); - if (desc != VECTOR_RETRIGGERED && desc != VECTOR_SHUTDOWN) { + if (desc == VECTOR_UNUSED) { pr_emerg_ratelimited("%s: %d.%d No irq handler for vector\n", __func__, smp_processor_id(), vector); -- 2.22.1