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=-9.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 3C43EC43441 for ; Wed, 10 Oct 2018 23:13:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D83CC2150D for ; Wed, 10 Oct 2018 23:13:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="eEZc6PJf" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D83CC2150D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727180AbeJKGhV (ORCPT ); Thu, 11 Oct 2018 02:37:21 -0400 Received: from mail.kernel.org ([198.145.29.99]:35492 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725968AbeJKGhU (ORCPT ); Thu, 11 Oct 2018 02:37:20 -0400 Received: from lerouge.suse.de (LFbn-NCY-1-241-207.w83-194.abo.wanadoo.fr [83.194.85.207]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id E000121524; Wed, 10 Oct 2018 23:12:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1539213179; bh=pQ9qeH4qjNbiNVGk4y/TVMXfrhMzGzePHrWSTmP7TYw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=eEZc6PJfqa6kPGXYPqM6JW+YOmj/4oV23efkPGYVNOQYQM9gNzNhfEUXDolMIbgrm BvIQoYyyWYwBbfOi8VHlx8YeFweycD4UE6AHP4PJdPcvr+PRMHA62seq4i2vnkqOf5 OY89uIIIUYddZJdNSQDPaqZCDnCVxPaid07ylv6I= From: Frederic Weisbecker To: LKML Cc: Frederic Weisbecker , Sebastian Andrzej Siewior , Peter Zijlstra , "David S . Miller" , Linus Torvalds , Thomas Gleixner , Frederic Weisbecker , "Paul E . McKenney" , Ingo Molnar , Mauro Carvalho Chehab Subject: [RFC PATCH 09/30] x86: Init softirq enabled field Date: Thu, 11 Oct 2018 01:11:56 +0200 Message-Id: <1539213137-13953-10-git-send-email-frederic@kernel.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1539213137-13953-1-git-send-email-frederic@kernel.org> References: <1539213137-13953-1-git-send-email-frederic@kernel.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Frederic Weisbecker All softirqs must be set enabled on boot. Signed-off-by: Frederic Weisbecker Cc: Ingo Molnar Cc: Sebastian Andrzej Siewior Cc: Thomas Gleixner Cc: Peter Zijlstra Cc: Linus Torvalds Cc: David S. Miller Cc: Mauro Carvalho Chehab Cc: Paul E. McKenney --- arch/x86/kernel/irq.c | 5 ++++- include/linux/bottom_half.h | 2 ++ 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c index 59b5f2e..b859861 100644 --- a/arch/x86/kernel/irq.c +++ b/arch/x86/kernel/irq.c @@ -11,6 +11,7 @@ #include #include #include +#include #include #include @@ -22,7 +23,9 @@ #define CREATE_TRACE_POINTS #include -DEFINE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat); +DEFINE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat) = { + .__softirq_data = SOFTIRQ_DATA_INIT, +}; EXPORT_PER_CPU_SYMBOL(irq_stat); DEFINE_PER_CPU(struct pt_regs *, irq_regs); diff --git a/include/linux/bottom_half.h b/include/linux/bottom_half.h index a9571ad..fd75d1a 100644 --- a/include/linux/bottom_half.h +++ b/include/linux/bottom_half.h @@ -33,6 +33,8 @@ enum #define SOFTIRQ_ENABLED_SHIFT 16 #define SOFTIRQ_PENDING_MASK (BIT(SOFTIRQ_ENABLED_SHIFT) - 1) +#define SOFTIRQ_DATA_INIT (SOFTIRQ_ALL_MASK << SOFTIRQ_ENABLED_SHIFT) + #ifdef CONFIG_TRACE_IRQFLAGS extern void __local_bh_disable_ip(unsigned long ip, unsigned int cnt); -- 2.7.4