From nobody Fri Sep 12 08:41:33 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 BEBBEC636D7 for ; Mon, 13 Feb 2023 04:55:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230047AbjBMEzk (ORCPT ); Sun, 12 Feb 2023 23:55:40 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52092 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229909AbjBMEzL (ORCPT ); Sun, 12 Feb 2023 23:55:11 -0500 Received: from mail-pj1-x102b.google.com (mail-pj1-x102b.google.com [IPv6:2607:f8b0:4864:20::102b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5C58C126CA for ; Sun, 12 Feb 2023 20:54:39 -0800 (PST) Received: by mail-pj1-x102b.google.com with SMTP id mg23so4213246pjb.0 for ; Sun, 12 Feb 2023 20:54:39 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=rivosinc-com.20210112.gappssmtp.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=w7d4Qtypw6ksd0rXUCdfOWzkU5LDKwcQ9sGuN3ONcAw=; b=31KnFLQ1jXjMLjTchl1w4moDo9CD9TiKyNs+4OObUXS/bu6U2VBl4731Df6PD7Y9/g 2XNYNTjZyG7bXyvHEUioI3gERdD7LvSkrCK98xrIHVYmvA5asSACcG8DzwHY9Elw91gc KrYDDfbQ0WGQKLe3OQqMCXoSdQognrXbgKTQeLFi2du2ewZSoi8M3yoq4iVIAUO0iC8j c+HEm7ay6XzwKJD0dg054Mp6qh6jGMCArVxGFrAxDUUDqIrGtX7IhEKyTa8tCMlq6uPJ YpP8FzRMvT6ihcXz/hH1cCXAqlBEJCSPIWcmpziCZgstPBhZ07n1DnUYd6pvHpmuIT8C lNMQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=w7d4Qtypw6ksd0rXUCdfOWzkU5LDKwcQ9sGuN3ONcAw=; b=uphVc5LetU2O2THXc8NksRM3oDoPpEVeU/U3WTlHb2I8o60lEIW4cjFqgIMTTAkzGT 6QkNrHx3iWdW8wv3WDBMr5EsHzBZoVEP0tYalpYwdQOyKSMgSZg0kl+PmdytR+UHObim doQpunw1X4PvcA7YJMfhNNS9iN8oJ7y8Io0QS2rgCMbmU9xCN7cZuAAvqreH/MWAFxmM bLZrrFPu4YYn0qxv3xAT36oMVNJC/OR7g9NMJMBSjJ0FKRkIeDq3YzILojNSgq6piLxU 89nl9FPsxcaUpoBCiuQpiixQ8MlMwvebkXRCPcDttg/a/yLyLDo08gRncJRFXyLs6rAT 0Knw== X-Gm-Message-State: AO0yUKUswz0j4+UwyAF6havxgRJh9ASphjYe0vec5839ZN9HKiXAJNIF JWij3xMkTjrhcKwumboH5sDEUQbsxAQWgL+Q X-Google-Smtp-Source: AK7set/LsQt20km3cdR/Kp4fADKzzPOahuIH182d8bTSETTWkRIjfVk2zOeUnxJfWQP4yrfUrjZ6+g== X-Received: by 2002:a17:902:e843:b0:199:2a89:f912 with SMTP id t3-20020a170902e84300b001992a89f912mr27069676plg.20.1676264070858; Sun, 12 Feb 2023 20:54:30 -0800 (PST) Received: from debug.ba.rivosinc.com ([66.220.2.162]) by smtp.gmail.com with ESMTPSA id e5-20020a170902784500b00189e7cb8b89sm7078303pln.127.2023.02.12.20.54.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 12 Feb 2023 20:54:30 -0800 (PST) From: Deepak Gupta To: linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, Paul Walmsley , Palmer Dabbelt , Albert Ou Cc: Deepak Gupta Subject: [PATCH v1 RFC Zisslpcfi 20/20] riscv: select config for shadow stack and landing pad instr support Date: Sun, 12 Feb 2023 20:53:49 -0800 Message-Id: <20230213045351.3945824-21-debug@rivosinc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230213045351.3945824-1-debug@rivosinc.com> References: <20230213045351.3945824-1-debug@rivosinc.com> 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" This patch selects config shadow stack support and landing pad instr support. Since shadow stack support and landing instr support relies on ELF header, this change also selects ARCH_USE_GNU_PROPERTY and ARCH_BINFMT_ELF_STATE. Signed-off-by: Deepak Gupta --- arch/riscv/Kconfig | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index e2b656043abf..9a39ada1d9d0 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -132,6 +132,10 @@ config RISCV select SYSCTL_EXCEPTION_TRACE select THREAD_INFO_IN_TASK select TRACE_IRQFLAGS_SUPPORT + select USER_SHADOW_STACK + select USER_INDIRECT_BR_LP + select ARCH_USE_GNU_PROPERTY + select ARCH_BINFMT_ELF_STATE select UACCESS_MEMCPY if !MMU select ZONE_DMA32 if 64BIT select HAVE_DYNAMIC_FTRACE if !XIP_KERNEL && MMU && $(cc-option,-fpatchab= le-function-entry=3D8) --=20 2.25.1