From nobody Thu Dec 18 15:26:01 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9CBE0EE49A6 for ; Mon, 21 Aug 2023 14:45:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236111AbjHUOpr (ORCPT ); Mon, 21 Aug 2023 10:45:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45260 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236066AbjHUOpq (ORCPT ); Mon, 21 Aug 2023 10:45:46 -0400 Received: from mail-ej1-x631.google.com (mail-ej1-x631.google.com [IPv6:2a00:1450:4864:20::631]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DD3D4E9 for ; Mon, 21 Aug 2023 07:45:44 -0700 (PDT) Received: by mail-ej1-x631.google.com with SMTP id a640c23a62f3a-99bcf2de59cso444002766b.0 for ; Mon, 21 Aug 2023 07:45:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1692629143; x=1693233943; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=y0VxwGQ+xc22tBdE5JYBo+p1/T9lFHQp+2kQSzguWu0=; b=UoxFtxNjlxRrthJpynO9UmxugiBztedDVT6dChbXc1SQ81cvm1ax6fCvLAifht4oSE kdFKmXMP1ZuViqrS4n/Rd21PAD+L4SAOv3HVEJr/RjxGQSAPorbsY2juzf/E1H9bix6N NXJSM4s4vhnAVa/QaJC5W3um3c2d0ny1IbsW3OU/yGjjgo/t8gjRuHgtTtFfSpIAgOa/ vmyIlfd1wuAqMK1p3S4tHMFb+2w2Ad0EuJY1dkcnZxNeb55CdVx2OeA8cY7xJYlEWcaw u8gmXVrDHNn220PALKRMna1g/ZzWZ7hO57EUd+EcfuQ9Ceu6b3JLlszE+qdbpTAhcGnV WgNg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1692629143; x=1693233943; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=y0VxwGQ+xc22tBdE5JYBo+p1/T9lFHQp+2kQSzguWu0=; b=CM1hKGc9KlLFeV3hjm0fppYbR5j3nfXF/5cI+WUdu+EZXqBn5vQD28M7poNPlXNXl+ /O07UctA/lCMTg24qiF7jZb/TDlGcrjs/1Xqx5aUL+KOPqLK7bGKjULkFAKt8ruD7GOd 4K6pUkNHAabI/JStz8HD4QOKRsMfT7nRrFcjQg64GlDwKBUVtPJ6Jx5RbYZmyv56cn4R 25DnG0KX/ViIk4eh7ThgqKe/9qGORu8gX4RhDbEWgkgnyA0DT524INNJyDhwnMsuIipB mC21fNSypjKDNcgq15GDtQ7lvjHUowcZ/jg75od08LgVr8KDrOR5ivK7Xxuf5A6SGlEt mHGA== X-Gm-Message-State: AOJu0Yxfo88+50g3pe9y0E96JaZ1N1Zj2YSlVBO4ZKegqfMB6Pb+J/1k XO7GxE+zYdy+A2vew27681E= X-Google-Smtp-Source: AGHT+IFH+Lipc3kHML632ozBnOob4H4RKIHgpELzZ/2n+k/9NDvTOXI6GrNMK/qPKXtU8oj+yb6vvQ== X-Received: by 2002:a17:906:105d:b0:993:e9b8:90f4 with SMTP id j29-20020a170906105d00b00993e9b890f4mr5302704ejj.8.1692629143232; Mon, 21 Aug 2023 07:45:43 -0700 (PDT) Received: from nam-dell (wlan-246006.nbw.tue.nl. [131.155.246.6]) by smtp.gmail.com with ESMTPSA id dv11-20020a170906b80b00b00997d7aa59fasm6720356ejb.14.2023.08.21.07.45.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 21 Aug 2023 07:45:42 -0700 (PDT) From: Nam Cao To: Paul Walmsley , Palmer Dabbelt , Albert Ou , linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Nam Cao Subject: [PATCH] riscv: put interrupt entries into .irqentry.text Date: Mon, 21 Aug 2023 16:45:17 +0200 Message-Id: <20230821144516.20487-1-namcaov@gmail.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" The interrupt entries are expected to be in the .irqentry.text section. For example, for kprobes to work properly, exception code cannot be probed; this is ensured by blacklisting addresses in the .irqentry.text section. Signed-off-by: Nam Cao --- arch/riscv/kernel/entry.S | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/riscv/kernel/entry.S b/arch/riscv/kernel/entry.S index 143a2bb3e697..d7dd9030df3f 100644 --- a/arch/riscv/kernel/entry.S +++ b/arch/riscv/kernel/entry.S @@ -14,6 +14,8 @@ #include #include =20 + .section .irqentry.text, "ax" + SYM_CODE_START(handle_exception) /* * If coming from userspace, preserve the user thread pointer and load --=20 2.34.1