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=-11.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED 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 4E6E0C282DA for ; Wed, 17 Apr 2019 14:18:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 181942177B for ; Wed, 17 Apr 2019 14:18:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=zytor.com header.i=@zytor.com header.b="iHiniwd7" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732479AbfDQOSf (ORCPT ); Wed, 17 Apr 2019 10:18:35 -0400 Received: from terminus.zytor.com ([198.137.202.136]:47191 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732267AbfDQOSf (ORCPT ); Wed, 17 Apr 2019 10:18:35 -0400 Received: from terminus.zytor.com (localhost [127.0.0.1]) by terminus.zytor.com (8.15.2/8.15.2) with ESMTPS id x3HEI00Y3935191 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NO); Wed, 17 Apr 2019 07:18:01 -0700 DKIM-Filter: OpenDKIM Filter v2.11.0 terminus.zytor.com x3HEI00Y3935191 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=zytor.com; s=2019041743; t=1555510681; bh=VpgvxgEmYDZOYhbm9j4l6lCn1vOLGAmgB4fpDqx+uf0=; h=Date:From:Cc:Reply-To:In-Reply-To:References:To:Subject:From; b=iHiniwd7PLhkqqH9BD6HY4i/TVTiiv6XISxw80ilgs1ZC/bMoLQCCbySeXC3M+kYC +on2tV/UGikb/VlvUfsIJ8vDFnqX6kleVS3QZu7/t95b0qOAi2GYuDwno6XiJDfUzc qAUNh+/9fvbuaM436Optkw0GCOTYldxXkho2APuzToNG2p2CjU0+AogCki2ask4PMg 6O01I/5ToqmmSfB210QCNbIEKBILOmDwPHfX0QyvCMBlGAzpMA65s2lY7pJd0OkjHX VAn5+oiAcdtga3IDdQ8Yyoa7txD+sT3l8OZ0QhBBkEa24S0tSyGYFg19oaLNQIHmxv DEfN5BK7IRDjg== Received: (from tipbot@localhost) by terminus.zytor.com (8.15.2/8.15.2/Submit) id x3HEI0Lq3935188; Wed, 17 Apr 2019 07:18:00 -0700 Date: Wed, 17 Apr 2019 07:18:00 -0700 X-Authentication-Warning: terminus.zytor.com: tipbot set sender to tipbot@zytor.com using -f From: tip-bot for Thomas Gleixner Message-ID: Cc: tglx@linutronix.de, akpm@linux-foundation.org, luto@kernel.org, bp@suse.de, hpa@zytor.com, puwen@hygon.cn, mingo@redhat.com, x86@kernel.org, mingo@kernel.org, jkosina@suse.cz, ndesaulniers@google.com, linux-kernel@vger.kernel.org, vbabka@suse.cz, kernelfans@gmail.com, jpoimboe@redhat.com, sean.j.christopherson@intel.com, adobriyan@gmail.com Reply-To: tglx@linutronix.de, akpm@linux-foundation.org, luto@kernel.org, bp@suse.de, hpa@zytor.com, puwen@hygon.cn, mingo@redhat.com, x86@kernel.org, mingo@kernel.org, jkosina@suse.cz, ndesaulniers@google.com, linux-kernel@vger.kernel.org, vbabka@suse.cz, kernelfans@gmail.com, jpoimboe@redhat.com, sean.j.christopherson@intel.com, adobriyan@gmail.com In-Reply-To: <20190414160145.736241969@linutronix.de> References: <20190414160145.736241969@linutronix.de> To: linux-tip-commits@vger.kernel.org Subject: [tip:x86/irq] x86/irq/32: Make irq stack a character array Git-Commit-ID: 231c4846b106d526fa212b02b37447d3f2fcc99d X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 231c4846b106d526fa212b02b37447d3f2fcc99d Gitweb: https://git.kernel.org/tip/231c4846b106d526fa212b02b37447d3f2fcc99d Author: Thomas Gleixner AuthorDate: Sun, 14 Apr 2019 18:00:00 +0200 Committer: Borislav Petkov CommitDate: Wed, 17 Apr 2019 15:21:21 +0200 x86/irq/32: Make irq stack a character array There is no reason to have an u32 array in struct irq_stack. The only purpose of the array is to size the struct properly. Preparatory change for sharing struct irq_stack with 64-bit. Signed-off-by: Thomas Gleixner Signed-off-by: Borislav Petkov Cc: Alexey Dobriyan Cc: Andrew Morton Cc: Andy Lutomirski Cc: "H. Peter Anvin" Cc: Ingo Molnar Cc: Jiri Kosina Cc: Josh Poimboeuf Cc: Nick Desaulniers Cc: Pingfan Liu Cc: Pu Wen Cc: Sean Christopherson Cc: Vlastimil Babka Cc: x86-ml Link: https://lkml.kernel.org/r/20190414160145.736241969@linutronix.de --- arch/x86/include/asm/processor.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h index 8b4bf732e1b5..ff3f469ab2d4 100644 --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -422,7 +422,7 @@ DECLARE_PER_CPU_ALIGNED(struct stack_canary, stack_canary); * per-CPU IRQ handling stacks */ struct irq_stack { - u32 stack[IRQ_STACK_SIZE / sizeof(u32)]; + char stack[IRQ_STACK_SIZE]; } __aligned(IRQ_STACK_SIZE); DECLARE_PER_CPU(struct irq_stack *, hardirq_stack);