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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B3320C44512 for ; Sun, 19 Jul 2026 08:12:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=PYjzXSe+WOvwv7BaHtUbp6gsL7Z/lv4izc9aDScwohk=; b=ef0sbWm06xVoiq zYByicWOqF47YPr+vMyrdoiSMVGhd98ib5A/1XP6U/nb5+EOwqdxxVACxthYxIWwk3J7ilORTB6ig 1CijV0rMXd6ujRmTFJE1PtNCTcP8BEj3uE7NIZy6GAmIjyuKzBWfaJ6q6Lou0S2bCz0JE+g8Ri8i8 Uf14ww6kHIBXuJYJbGoXWnQLvmD6RfhxE+mXw0UEwhp/qXdF3NY+bPbF3WoiQi0rtD1zxhKT+cUWb MpEeD3CzZs7XRdyYFbXdl8rzHVvzWURTG4fE5KuSh4WBU+sd96e7j07KsR4VHhcMyPq6T3Cmsolaw yZwQnQ4RIPtR7BNrkXlw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wlMci-00000004piT-27ww; Sun, 19 Jul 2026 08:11:44 +0000 Received: from m16.mail.163.com ([117.135.210.3]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wlMcd-00000004pfK-2hWG for linux-riscv@lists.infradead.org; Sun, 19 Jul 2026 08:11:42 +0000 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=7u PGAuGCroD2PkKnEjROxwq4HpeTBaO4iXNgj+VVvB8=; b=XvtQPLCsfuyROmXbtI AD4kaLnURGzRRc9kY0LqIUqEWEahqeXdoB+Mnc5iUql4BK4FkY3Q4h/ux1TJ05id JvzlBaixey4yhFVukjzQGpmjV599mOucV9dOvEz83ZZ+EP5K7wt2sifqO1W5G1MI iSKmykrk5M8BNqyXx5p4NVXt0= Received: from Ubuntu.. (unknown []) by gzga-smtp-mtada-g0-1 (Coremail) with SMTP id _____wC3z6F9hlxq+TAUKA--.58193S4; Sun, 19 Jul 2026 16:10:39 +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 2/2] riscv: patch: skip fixmap mapping when kernel text is already writable Date: Sun, 19 Jul 2026 08:10:36 +0000 Message-ID: <20260719081037.5749-3-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> MIME-Version: 1.0 X-CM-TRANSID: _____wC3z6F9hlxq+TAUKA--.58193S4 X-Coremail-Antispam: 1Uf129KBjvdXoWrtF17tFWrAw13KryfuF4kWFg_yoW3KrX_Cw s7JrW5WryUCFy293WUJw4fXr1Dt3yFqF95Cw1avFWkGasxXry0q390qF13Awn5Arn3KFy3 uasxG3savr1jqjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7xRlPflPUUUUU== X-Originating-IP: [39.187.244.72] X-CM-SenderInfo: p0ld0w5hqjzxldq6il2tof0z/xtbC5h9ydWpchn+LFgAA3s X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260719_011140_501255_FFDCA921 X-CRM114-Status: UNSURE ( 8.91 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org ... Signed-off-by: Xiaofeng Yuan --- arch/riscv/kernel/patch.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/riscv/kernel/patch.c b/arch/riscv/kernel/patch.c index 16b243376f..b6e8e1e83e 100644 --- a/arch/riscv/kernel/patch.c +++ b/arch/riscv/kernel/patch.c @@ -44,7 +44,8 @@ static __always_inline void *patch_map(void *addr, const unsigned int fixmap) uintptr_t uintaddr = (uintptr_t) addr; phys_addr_t phys; - if (core_kernel_text(uintaddr) || is_kernel_exittext(uintaddr)) { + if (IS_ENABLED(CONFIG_STRICT_KERNEL_RWX) && + (core_kernel_text(uintaddr) || is_kernel_exittext(uintaddr))) { phys = __pa_symbol(addr); } else if (IS_ENABLED(CONFIG_STRICT_MODULE_RWX)) { struct page *page = vmalloc_to_page(addr); -- 2.43.0 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv