From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from m16.mail.163.com (m16.mail.163.com [220.197.31.5]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 802B037C91C for ; Sun, 19 Jul 2026 08:11:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=220.197.31.5 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784448715; cv=none; b=EWR0lopMX1jHLOhDSUw2Y8tywiBxM8vNpsikx3oQbgRgDmWEKWRjgVkC43iBmAU3P9Cgsm7B1pubHejeQNuHSgQqYzq23oaK832XythcNW8zK/0fVz8jeV22QK8hqcqxDVYbn6ffz21GaTJLMKcTXzphMdt0yFry4qCLd9agBAM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784448715; c=relaxed/simple; bh=xSP7Z4h3KuFJsmTlYut8NgjRBX09pc5R7mgTjJ8tH9Y=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=rz1OpiEtrr05Si1ineF16qq2yCOvTBbtpoVJXlY8OyPIcbKjNa7LMCpq4w2QG3INE3w+OefISAwSa0JFtAPqv+y0ph9vkEBziIMbYg0TCSEbW/RoMkq4SGNFwXwNbkzfr/nu1IsH0eKc8gYRTSigxQpq7iWe+YnMje8bZcYUtrY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com; spf=pass smtp.mailfrom=163.com; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b=B0Z4FQPH; arc=none smtp.client-ip=220.197.31.5 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=163.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b="B0Z4FQPH" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:To:Subject:Date:Message-ID:MIME-Version; bh=dE 5y8/chxuftOxl2mAuIsNVLsUFquCP12nX3RgkQUfU=; b=B0Z4FQPHcDeOHyqIRC mQ0/ffgZxj1HU+BBbhjE9gUrmGjxWL0ZzydkB0mclBEQLdgCjzojqHl30p1Mu9Qb IUF5U/CNKTg+PikvfdBfW6/QhCNBozwWusVzo7Lq1kf7Cs2Ezq1FdeXcIEOfTXlQ LazmMpH5KnhO34ZQtLeOcNzak= Received: from Ubuntu.. (unknown []) by gzga-smtp-mtada-g0-1 (Coremail) with SMTP id _____wC3z6F9hlxq+TAUKA--.58193S3; Sun, 19 Jul 2026 16:10:38 +0800 (CST) From: Xiaofeng Yuan To: pjw@kernel.org Cc: palmer@dabbelt.com, aou@eecs.berkeley.edu, namcao@linutronix.de, alex@ghiti.fr, broonie@kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, Xiaofeng Yuan Subject: [PATCH v2 1/2] riscv: mm: make EXECMEM_KPROBES writable without CONFIG_STRICT_MODULE_RWX Date: Sun, 19 Jul 2026 08:10:35 +0000 Message-ID: <20260719081037.5749-2-xiaofengmian@163.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260719081037.5749-1-xiaofengmian@163.com> References: <20260719081037.5749-1-xiaofengmian@163.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID:_____wC3z6F9hlxq+TAUKA--.58193S3 X-Coremail-Antispam: 1Uf129KBjvdXoWrtF17AFyfZr4DtF4xuw15Arb_yoW3Xrc_Gw 1xWrWIgFW5Ga9Fgan3Kr4rG3W2yayvyF95trnrXryUWrnrWwn8J343JFs8Xr1rur1S9rWf Aa4fXFWIvrn2vjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7sR_a0PDUUUUU== X-CM-SenderInfo: p0ld0w5hqjzxldq6il2tof0z/xtbC5R5ydWpchn6eRAAA3o ... Signed-off-by: Xiaofeng Yuan --- v2: use CONFIG_STRICT_MODULE_RWX instead of CONFIG_ARCH_HAS_EXECMEM_ROX (per Nam Cao's review) arch/riscv/mm/init.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c index 5b1b3c88b4..7951d72a12 100644 --- a/arch/riscv/mm/init.c +++ b/arch/riscv/mm/init.c @@ -1457,7 +1457,9 @@ struct execmem_info __init *execmem_arch_setup(void) [EXECMEM_KPROBES] = { .start = VMALLOC_START, .end = VMALLOC_END, - .pgprot = PAGE_KERNEL_READ_EXEC, + .pgprot = IS_ENABLED(CONFIG_STRICT_MODULE_RWX) ? + PAGE_KERNEL_READ_EXEC : + PAGE_KERNEL_EXEC, .alignment = 1, }, [EXECMEM_BPF] = { -- 2.43.0