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[2620:137:e000::3:4]) by mx.google.com with ESMTPS id d9-20020a056a0010c900b0068255c2b8a8si10853799pfu.151.2023.09.19.20.24.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 19 Sep 2023 20:24:29 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:4 as permitted sender) client-ip=2620:137:e000::3:4; Authentication-Results: mx.google.com; dkim=pass header.i=@linutronix.de header.s=2020 header.b="B/xoHrvr"; dkim=neutral (no key) header.i=@linutronix.de; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:4 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=linutronix.de Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by howler.vger.email (Postfix) with ESMTP id B9DE2828F4E9; Tue, 19 Sep 2023 02:54:07 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at howler.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231810AbjISJxh (ORCPT + 26 others); Tue, 19 Sep 2023 05:53:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40772 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231800AbjISJxS (ORCPT ); Tue, 19 Sep 2023 05:53:18 -0400 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9D72E1A8; Tue, 19 Sep 2023 02:53:11 -0700 (PDT) Date: Tue, 19 Sep 2023 09:53:09 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1695117189; 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=+LWKVOZmSHQVat7OI2yqnNr29aoiVQYjvpRWKvK5Rjo=; b=B/xoHrvrAJzyRgUwLakZeAAmmLmNeOFZLoMMDeHdaOtW1S6JLx/EnBlYOVCEViraceHZws BLPiKF/r7LEX9g03HuXRaF0wv3yG7EYG2lE8wA9tOccc+3JeTUiR0S3Tp4oWRvkGOAUuUU JRV4ZpWf5gF+MXje7v9856dV2E8Rme0MsAFKw7EaPErzQjCf/qy9TZa20CV35p5v7nUkdp Oz0jELtKL+07gf/4+5ipi4FZu/QzrUJl+WV0efH7z7kEy6kHpSr47bgqjtq6putPkGl79V zdRGsrOOUdX31yPpWZkd7a793IS2x2k7i7JjyYUw10aA3cANn0OEipDwgj1CWQ== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1695117189; 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=+LWKVOZmSHQVat7OI2yqnNr29aoiVQYjvpRWKvK5Rjo=; b=yIeuW7sXhniJxUIIO1PT9JA8E1SxrSM+cLqoxR+0AAfImNTSSBwyckLx9TpACezDEtbJWz PALLCtfr4QZdRqDA== From: "tip-bot2 for Josh Poimboeuf" Sender: tip-bot2@linutronix.de Reply-to: linux-kernel@vger.kernel.org To: linux-tip-commits@vger.kernel.org Subject: [tip: x86/bugs] x86/retpoline: Remove .text..__x86.return_thunk section Cc: Josh Poimboeuf , Ingo Molnar , "Borislav Petkov (AMD)" , x86@kernel.org, linux-kernel@vger.kernel.org In-Reply-To: <291aad1dcb2d27c6241fe3f182d66119857757fd.1693889988.git.jpoimboe@kernel.org> References: <291aad1dcb2d27c6241fe3f182d66119857757fd.1693889988.git.jpoimboe@kernel.org> MIME-Version: 1.0 Message-ID: <169511718913.27769.5314218173944719644.tip-bot2@tip-bot2> Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_NONE, SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (howler.vger.email [0.0.0.0]); Tue, 19 Sep 2023 02:54:07 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1776217642846242382 X-GMAIL-MSGID: 1777525346704683634 The following commit has been merged into the x86/bugs branch of tip: Commit-ID: c8b840f7767b3178cc5fd92b70cc4c06c37943ac Gitweb: https://git.kernel.org/tip/c8b840f7767b3178cc5fd92b70cc4c06c37943ac Author: Josh Poimboeuf AuthorDate: Mon, 04 Sep 2023 22:05:02 -07:00 Committer: Ingo Molnar CommitterDate: Tue, 19 Sep 2023 11:42:48 +02:00 x86/retpoline: Remove .text..__x86.return_thunk section The '.text..__x86.return_thunk' section has no purpose. Remove it and let the return thunk code live in '.text..__x86.indirect_thunk'. Signed-off-by: Josh Poimboeuf Signed-off-by: Ingo Molnar Acked-by: Borislav Petkov (AMD) Link: https://lore.kernel.org/r/291aad1dcb2d27c6241fe3f182d66119857757fd.1693889988.git.jpoimboe@kernel.org --- arch/x86/kernel/vmlinux.lds.S | 3 --- arch/x86/lib/retpoline.S | 2 -- 2 files changed, 5 deletions(-) diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S index 54a5596..9cdb1a7 100644 --- a/arch/x86/kernel/vmlinux.lds.S +++ b/arch/x86/kernel/vmlinux.lds.S @@ -132,10 +132,7 @@ SECTIONS LOCK_TEXT KPROBES_TEXT SOFTIRQENTRY_TEXT -#ifdef CONFIG_RETPOLINE *(.text..__x86.indirect_thunk) - *(.text..__x86.return_thunk) -#endif STATIC_CALL_TEXT ALIGN_ENTRY_TEXT_BEGIN diff --git a/arch/x86/lib/retpoline.S b/arch/x86/lib/retpoline.S index 415521d..49f2be7 100644 --- a/arch/x86/lib/retpoline.S +++ b/arch/x86/lib/retpoline.S @@ -129,8 +129,6 @@ SYM_CODE_END(__x86_indirect_jump_thunk_array) #ifdef CONFIG_RETHUNK - .section .text..__x86.return_thunk - #ifdef CONFIG_CPU_SRSO /*