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=-20.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,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 9A145C4743C for ; Mon, 21 Jun 2021 17:55:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7AD8B6141D for ; Mon, 21 Jun 2021 17:55:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231868AbhFUR5y (ORCPT ); Mon, 21 Jun 2021 13:57:54 -0400 Received: from Galois.linutronix.de ([193.142.43.55]:45968 "EHLO galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231961AbhFURzr (ORCPT ); Mon, 21 Jun 2021 13:55:47 -0400 Date: Mon, 21 Jun 2021 17:53:29 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1624298011; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=YH3f6MBaqyU4MYEEOYfekfCSOLt9UeEUXfvYCYqWqdI=; b=Y9qft6Mb00Mx+3gU6XUCpwxkF8t2cTyw3gzAPgmJISxilvS78kkuyHt56vaZVMgaDz9lgg WuDyqMRaQctRL/5HJf4fAZ/awNd64L43v0aFRluduAkdU0GpSX06bHUwfcLkynHpZpdOmk jgfFoc9AdJCz3yJK9wQEDHgtWhi2rYH0Vq9/HLkHsFeBm/LFO0w2R+VADi2aPmZR4bybJT vczUV5P1PggmMlck5dgrzFIQrXi6NPmj+CwPMxr7H+75jL3zgHt7ICPiqDvgGoDoLvNiZU u8G6RPzu6T3Q/J7//OhT7l3kICvB7+ndaQkwOw+5eEwpf3BRBMubaYiM+tTPVw== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1624298011; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=YH3f6MBaqyU4MYEEOYfekfCSOLt9UeEUXfvYCYqWqdI=; b=+NIRJTGY520NQltVup6Qt4/rKcc09Mc41xilWDXPLeXCEmGDDUUQSyV3fDr4Ybkx4lz05+ bEMr3a5nuhWV51CA== From: "tip-bot2 for Peter Zijlstra" Sender: tip-bot2@linutronix.de Reply-to: linux-kernel@vger.kernel.org To: linux-tip-commits@vger.kernel.org Subject: [tip: objtool/urgent] objtool/x86: Ignore __x86_indirect_alt_* symbols Cc: "Peter Zijlstra (Intel)" , Ingo Molnar , x86@kernel.org, linux-kernel@vger.kernel.org In-Reply-To: References: MIME-Version: 1.0 Message-ID: <162429800985.395.5319249290550367396.tip-bot2@tip-bot2> Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The following commit has been merged into the objtool/urgent branch of tip: Commit-ID: 31197d3a0f1caeb60fb01f6755e28347e4f44037 Gitweb: https://git.kernel.org/tip/31197d3a0f1caeb60fb01f6755e28347e4f44037 Author: Peter Zijlstra AuthorDate: Mon, 21 Jun 2021 16:13:55 +02:00 Committer: Ingo Molnar CommitterDate: Mon, 21 Jun 2021 17:26:57 +02:00 objtool/x86: Ignore __x86_indirect_alt_* symbols Because the __x86_indirect_alt* symbols are just that, objtool will try and validate them as regular symbols, instead of the alternative replacements that they are. This goes sideways for FRAME_POINTER=y builds; which generate a fair amount of warnings. Fixes: 9bc0bb50727c ("objtool/x86: Rewrite retpoline thunk calls") Signed-off-by: Peter Zijlstra (Intel) Signed-off-by: Ingo Molnar Link: https://lore.kernel.org/r/YNCgxwLBiK9wclYJ@hirez.programming.kicks-ass.net --- arch/x86/lib/retpoline.S | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/x86/lib/retpoline.S b/arch/x86/lib/retpoline.S index 4d32cb0..ec9922c 100644 --- a/arch/x86/lib/retpoline.S +++ b/arch/x86/lib/retpoline.S @@ -58,12 +58,16 @@ SYM_FUNC_START_NOALIGN(__x86_indirect_alt_call_\reg) 2: .skip 5-(2b-1b), 0x90 SYM_FUNC_END(__x86_indirect_alt_call_\reg) +STACK_FRAME_NON_STANDARD(__x86_indirect_alt_call_\reg) + SYM_FUNC_START_NOALIGN(__x86_indirect_alt_jmp_\reg) ANNOTATE_RETPOLINE_SAFE 1: jmp *%\reg 2: .skip 5-(2b-1b), 0x90 SYM_FUNC_END(__x86_indirect_alt_jmp_\reg) +STACK_FRAME_NON_STANDARD(__x86_indirect_alt_jmp_\reg) + .endm /*