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 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 25D6AC282DA for ; Wed, 17 Apr 2019 14:14:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E83E320872 for ; Wed, 17 Apr 2019 14:14:50 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=zytor.com header.i=@zytor.com header.b="FVUKRdrt" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732481AbfDQOOt (ORCPT ); Wed, 17 Apr 2019 10:14:49 -0400 Received: from terminus.zytor.com ([198.137.202.136]:36065 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731743AbfDQOOt (ORCPT ); Wed, 17 Apr 2019 10:14:49 -0400 Received: from terminus.zytor.com (localhost [127.0.0.1]) by terminus.zytor.com (8.15.2/8.15.2) with ESMTPS id x3HEDrDc3934469 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NO); Wed, 17 Apr 2019 07:13:53 -0700 DKIM-Filter: OpenDKIM Filter v2.11.0 terminus.zytor.com x3HEDrDc3934469 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=zytor.com; s=2019041743; t=1555510434; bh=xcMjG4ch+qGqAKvVK2Lmu5pklpHo4xPwXmLQdQ9DoEE=; h=Date:From:Cc:Reply-To:In-Reply-To:References:To:Subject:From; b=FVUKRdrt/GG63WBLBEmnQbaFusVd7iVfSCmuc61zCFIbuX8vuUgFw9GDAFmvcAgpa aWWWd1Tj5Zo08DDu2VWej0fn9n3h4b6ULmDkKFPjHXTeMiNphQs/UkidamjZ3Ki0jy sMI2nnyZY6ck2CFwtA8M6XmMl91Xtw8414E/5K1MhMk5AyPe6gqRSlfy887KC6yA/G m+BbR/BAumDj1gl+s+AMbDxVKiE20k3PfATd0dDlQ1KoE17YE+iEIRD2qurV84m6jz 7UNxJyQpWCi1PV831fuSllV8sLbejPDjVvkTNF9R9o57OZuupF8boxenAtfzgHonP0 xBZsyAPMNYPPA== Received: (from tipbot@localhost) by terminus.zytor.com (8.15.2/8.15.2/Submit) id x3HEDpgf3934458; Wed, 17 Apr 2019 07:13:51 -0700 Date: Wed, 17 Apr 2019 07:13:51 -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: hpa@zytor.com, jpoimboe@redhat.com, x86@kernel.org, chang.seok.bae@intel.com, bp@suse.de, konrad.wilk@oracle.com, tglx@linutronix.de, mingo@kernel.org, jgross@suse.com, kernelfans@gmail.com, luto@kernel.org, ndesaulniers@google.com, peterz@infradead.org, sean.j.christopherson@intel.com, linux-kernel@vger.kernel.org, akpm@linux-foundation.org, vbabka@suse.cz, puwen@hygon.cn, jkosina@suse.cz, mingo@redhat.com, linux@dominikbrodowski.net, dave.hansen@linux.intel.com Reply-To: peterz@infradead.org, sean.j.christopherson@intel.com, akpm@linux-foundation.org, linux-kernel@vger.kernel.org, ndesaulniers@google.com, kernelfans@gmail.com, luto@kernel.org, mingo@kernel.org, tglx@linutronix.de, jgross@suse.com, hpa@zytor.com, bp@suse.de, konrad.wilk@oracle.com, jpoimboe@redhat.com, chang.seok.bae@intel.com, x86@kernel.org, dave.hansen@linux.intel.com, linux@dominikbrodowski.net, mingo@redhat.com, vbabka@suse.cz, jkosina@suse.cz, puwen@hygon.cn In-Reply-To: <20190414160145.151435667@linutronix.de> References: <20190414160145.151435667@linutronix.de> To: linux-tip-commits@vger.kernel.org Subject: [tip:x86/irq] x86/cpu: Remove orig_ist array Git-Commit-ID: 4d68c3d0ecd5fcba8876e8a58ac41ffb360de43e 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: 4d68c3d0ecd5fcba8876e8a58ac41ffb360de43e Gitweb: https://git.kernel.org/tip/4d68c3d0ecd5fcba8876e8a58ac41ffb360de43e Author: Thomas Gleixner AuthorDate: Sun, 14 Apr 2019 17:59:54 +0200 Committer: Borislav Petkov CommitDate: Wed, 17 Apr 2019 14:44:17 +0200 x86/cpu: Remove orig_ist array All users gone. Signed-off-by: Thomas Gleixner Signed-off-by: Borislav Petkov Cc: Andrew Morton Cc: Andy Lutomirski Cc: "Chang S. Bae" Cc: Dave Hansen Cc: Dominik Brodowski Cc: "H. Peter Anvin" Cc: Ingo Molnar Cc: Jiri Kosina Cc: Josh Poimboeuf Cc: Juergen Gross Cc: Konrad Rzeszutek Wilk Cc: Nick Desaulniers Cc: Peter Zijlstra Cc: Pingfan Liu Cc: Pu Wen Cc: Sean Christopherson Cc: Vlastimil Babka Cc: x86-ml Link: https://lkml.kernel.org/r/20190414160145.151435667@linutronix.de --- arch/x86/include/asm/processor.h | 9 --------- arch/x86/kernel/cpu/common.c | 6 ------ 2 files changed, 15 deletions(-) diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h index 2bb3a648fc12..8fcfcd1a8375 100644 --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -374,16 +374,7 @@ DECLARE_PER_CPU(unsigned long, cpu_current_top_of_stack); #define cpu_current_top_of_stack cpu_tss_rw.x86_tss.sp1 #endif -/* - * Save the original ist values for checking stack pointers during debugging - */ -struct orig_ist { - unsigned long ist[7]; -}; - #ifdef CONFIG_X86_64 -DECLARE_PER_CPU(struct orig_ist, orig_ist); - union irq_stack_union { char irq_stack[IRQ_STACK_SIZE]; /* diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index 4b01b71415f5..8243f198fb7f 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -1549,12 +1549,6 @@ void syscall_init(void) X86_EFLAGS_IOPL|X86_EFLAGS_AC|X86_EFLAGS_NT); } -/* - * Copies of the original ist values from the tss are only accessed during - * debugging, no special alignment required. - */ -DEFINE_PER_CPU(struct orig_ist, orig_ist); - static DEFINE_PER_CPU(unsigned long, debug_stack_addr); DEFINE_PER_CPU(int, debug_stack_usage);