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=-15.8 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,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 32A90C432BE for ; Thu, 26 Aug 2021 14:18:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1B7A960E78 for ; Thu, 26 Aug 2021 14:18:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242880AbhHZOS5 (ORCPT ); Thu, 26 Aug 2021 10:18:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57702 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229832AbhHZOS4 (ORCPT ); Thu, 26 Aug 2021 10:18:56 -0400 Received: from ustc.edu.cn (email6.ustc.edu.cn [IPv6:2001:da8:d800::8]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 7BC28C061757 for ; Thu, 26 Aug 2021 07:18:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mail.ustc.edu.cn; s=dkim; h=Received:Date:From:To:Cc:Subject: Message-ID:In-Reply-To:References:MIME-Version:Content-Type: Content-Transfer-Encoding; bh=dyqgEwHabF8Up4ihFeWT3SFMT5DdXXc05B iXW6J2O7A=; b=P3vzN6Vv5HSuDDDXOMb7zW50OP3Rw807Oi9NJoZv/dkbr2rFqM U9AlEUuqtclQd+8jPu/Z5eo5p0i9CbfHwlbD/1WIg4zSRbblCdvv7o2s+pqbxp9X GCKyoYF0tdM6MQvB/b7OiF3fZqHBchXvtqt9gnQSS4dUI1ZhL6j2GyQGw= Received: from xhacker (unknown [101.86.20.15]) by newmailweb.ustc.edu.cn (Coremail) with SMTP id LkAmygBnbw99oidhLaXGAA--.14379S2; Thu, 26 Aug 2021 22:17:33 +0800 (CST) Date: Thu, 26 Aug 2021 22:11:18 +0800 From: Jisheng Zhang To: Paul Walmsley , Palmer Dabbelt , Albert Ou Cc: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 2/2] riscv: Move EXCEPTION_TABLE to RO_DATA segment Message-ID: <20210826221118.24be1142@xhacker> In-Reply-To: <20210826220952.77a68a9e@xhacker> References: <20210826220952.77a68a9e@xhacker> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-CM-TRANSID: LkAmygBnbw99oidhLaXGAA--.14379S2 X-Coremail-Antispam: 1UD129KBjvdXoW7GFyDAr4kJF15tr1xKFykKrg_yoWkKrg_G3 Z7Ww43WryfCw4Sva4UGw4fWr90yayrKFykZw1jvrWxWFy3Xrs0q3s5JF43A3s8CryxCrs3 AF12kr97Cr12qjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbrxYjsxI4VWDJwAYFVCjjxCrM7AC8VAFwI0_Jr0_Gr1l1xkIjI8I 6I8E6xAIw20EY4v20xvaj40_Wr0E3s1l1IIY67AEw4v_Jr0_Jr4l8cAvFVAK0II2c7xJM2 8CjxkF64kEwVA0rcxSw2x7M28EF7xvwVC0I7IYx2IY67AKxVW5JVW7JwA2z4x0Y4vE2Ix0 cI8IcVCY1x0267AKxVW8JVWxJwA2z4x0Y4vEx4A2jsIE14v26rxl6s0DM28EF7xvwVC2z2 80aVCY1x0267AKxVW0oVCq3wAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAK zVAqx4xG6I80ewAv7VC0I7IYx2IY67AKxVWUXVWUAwAv7VC2z280aVAFwI0_Jr0_Gr1lOx 8S6xCaFVCjc4AY6r1j6r4UM4x0Y48IcVAKI48JMxAIw28IcxkI7VAKI48JMxC20s026xCa FVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_JrI_Jr Wlx4CE17CEb7AF67AKxVWUAVWUtwCIc40Y0x0EwIxGrwCI42IY6xIIjxv20xvE14v26r1j 6r1xMIIF0xvE2Ix0cI8IcVCY1x0267AKxVW8JVWxJwCI42IY6xAIw20EY4v20xvaj40_Gr 0_Zr1lIxAIcVC2z280aVAFwI0_Jr0_Gr1lIxAIcVC2z280aVCY1x0267AKxVW8JVW8JrUv cSsGvfC2KfnxnUUI43ZEXa7IU8DxhJUUUUU== X-CM-SenderInfo: xmv2xttqjtqzxdloh3xvwfhvlgxou0/ Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jisheng Zhang _ex_table section is read-only, so move it to RO_DATA. Signed-off-by: Jisheng Zhang --- arch/riscv/kernel/vmlinux-xip.lds.S | 1 - arch/riscv/kernel/vmlinux.lds.S | 4 ++-- 2 files changed, 2 insertions(+), 3 deletions(-) diff --git a/arch/riscv/kernel/vmlinux-xip.lds.S b/arch/riscv/kernel/vmlinux-xip.lds.S index af776555ded9..9c9f35091ef0 100644 --- a/arch/riscv/kernel/vmlinux-xip.lds.S +++ b/arch/riscv/kernel/vmlinux-xip.lds.S @@ -121,7 +121,6 @@ SECTIONS } BSS_SECTION(PAGE_SIZE, PAGE_SIZE, 0) - EXCEPTION_TABLE(0x10) .rel.dyn : AT(ADDR(.rel.dyn) - LOAD_OFFSET) { *(.rel.dyn*) diff --git a/arch/riscv/kernel/vmlinux.lds.S b/arch/riscv/kernel/vmlinux.lds.S index 502d0826ecb1..5104f3a871e3 100644 --- a/arch/riscv/kernel/vmlinux.lds.S +++ b/arch/riscv/kernel/vmlinux.lds.S @@ -4,6 +4,8 @@ * Copyright (C) 2017 SiFive */ +#define RO_EXCEPTION_TABLE_ALIGN 16 + #ifdef CONFIG_XIP_KERNEL #include "vmlinux-xip.lds.S" #else @@ -112,8 +114,6 @@ SECTIONS *(.srodata*) } - EXCEPTION_TABLE(0x10) - . = ALIGN(SECTION_ALIGN); _data = .; -- 2.32.0