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=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no 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 EC4F9C4BA04 for ; Tue, 25 Feb 2020 23:25:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B4D9D24680 for ; Tue, 25 Feb 2020 23:25:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729429AbgBYXZr (ORCPT ); Tue, 25 Feb 2020 18:25:47 -0500 Received: from Galois.linutronix.de ([193.142.43.55]:55481 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729297AbgBYXZp (ORCPT ); Tue, 25 Feb 2020 18:25:45 -0500 Received: from p5de0bf0b.dip0.t-ipconnect.de ([93.224.191.11] helo=nanos.tec.linutronix.de) by Galois.linutronix.de with esmtpsa (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1j6ja2-0004Xy-4v; Wed, 26 Feb 2020 00:25:34 +0100 Received: from nanos.tec.linutronix.de (localhost [IPv6:::1]) by nanos.tec.linutronix.de (Postfix) with ESMTP id 98B13104090; Wed, 26 Feb 2020 00:25:29 +0100 (CET) Message-Id: <20200225220217.042369808@linutronix.de> User-Agent: quilt/0.65 Date: Tue, 25 Feb 2020 22:36:45 +0100 From: Thomas Gleixner To: LKML Cc: x86@kernel.org, Steven Rostedt , Brian Gerst , Juergen Gross , Paolo Bonzini , Arnd Bergmann Subject: [patch 09/10] x86/entry/entry_32: Route int3 through common_exception References: <20200225213636.689276920@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org int3 is not using the common_exception path for purely historical reasons, but there is no reason to keep it the only exception which is different. Make it use common_exception so the upcoming changes to autogenerate the entry stubs do not have to special case int3. Signed-off-by: Thomas Gleixner --- arch/x86/entry/entry_32.S | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-) --- a/arch/x86/entry/entry_32.S +++ b/arch/x86/entry/entry_32.S @@ -1683,14 +1683,8 @@ SYM_CODE_END(nmi) SYM_CODE_START(int3) ASM_CLAC pushl $0 - - SAVE_ALL switch_stacks=1 - ENCODE_FRAME_POINTER - TRACE_IRQS_OFF - xorl %edx, %edx # zero error code - movl %esp, %eax # pt_regs pointer - call do_int3 - jmp ret_from_exception + pushl $do_int3 + jmp common_exception SYM_CODE_END(int3) SYM_CODE_START(general_protection)