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 4A643C43458 for ; Wed, 1 Jul 2026 10:29:14 +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: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:In-Reply-To:References: List-Owner; bh=7RHEEPf1eZdOTAuSAjZEpIWOauQptLlF2R5IIm58TA0=; b=icK60++YuZ3VnA eMR64iSX+TZ3E/qkdvKwYqG8VCFkz81ZWmLvLtWCr/1EIB0LaMcuxyq6lsnipINuQXQmbiesOyizz qHFLm5f30zXbMLpa7958DZYaxUYBnd8epm0zTB22jhnM8OXVpAk92Odm/KWwsnKmY3Q/7td5s+Ae+ T2l9K+d4pEQsLCZZr4gvJNCseFvuiCuGjFKscZB91xXQ7NigkBCvdJJL862hrOZRNHSlJkH2izD3Z vGDQvwEsUJ3bhG42m+humJv2t7qXGRR+41xV6N8vi7bqG5RrvkNW+an5oIoBbacSWxUo4sy8KCaHN lGw7E0E/5uabYUKspQlw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wesBh-00000001J6e-28Zg; Wed, 01 Jul 2026 10:29:01 +0000 Received: from m16.mail.163.com ([117.135.210.2]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wesBe-00000001J5c-27Ks for linux-riscv@lists.infradead.org; Wed, 01 Jul 2026 10:29:00 +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=/J wselaR8mY1mClm5Tt418iCkr+E5uSdRucyEMGk4z0=; b=QJiQl+RnAr24f8LGOx RBmJPTrN8e/GJ/Z1WuzTJBlM2QtOUMr88ghXOLb2oHjWFsUdXR5EOMm6Mi5aDKXH cvuFhLdYSCAPwEonJipTU+OjF0G/zkMuJwh4K5v5oAErzxFdKbFjDXkMpX6Azz5i H922Fe5Dvcc0mKI/edoBBHGhI= Received: from Ubuntu.. (unknown []) by gzga-smtp-mtada-g0-2 (Coremail) with SMTP id _____wD3V0jH60Rq_FlzGw--.4936S2; Wed, 01 Jul 2026 18:28:24 +0800 (CST) From: Xiaofeng Yuan To: Paul Walmsley , Palmer Dabbelt , Albert Ou Cc: Alexandre Ghiti , Mark Brown , linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, xiaofengmian@163.com Subject: [PATCH 0/2] riscv: fix kprobes on minimal kernel configs Date: Wed, 1 Jul 2026 10:28:20 +0000 Message-ID: <20260701102822.95459-1-xiaofengmian@163.com> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 X-CM-TRANSID: _____wD3V0jH60Rq_FlzGw--.4936S2 X-Coremail-Antispam: 1Uf129KBjvdXoW7XryDJFy8ur18KFyxKF13twb_yoW3XFg_Cr 1SqryfKrWrWFZIgFy8Kws3Gryqk397WrW8Ar1UZF9Fgw17uwnxC3sakF1DA3Z2yryrtFs7 Zas5urWvkr4SqjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7sRZAwI5UUUUU== X-Originating-IP: [39.144.122.22] X-CM-SenderInfo: p0ld0w5hqjzxldq6il2tof0z/xtbDAQjY22pE68jxNwAA3B X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260701_032859_456582_937AE24E X-CRM114-Status: UNSURE ( 6.72 ) 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 When building with an allnoconfig-derived minimal configuration (without CONFIG_STRICT_MODULE_RWX), kprobes fails because instruction slot pages from EXECMEM_KPROBES are read-only and patch_map() bypasses the fixmap writable alias. These two patches fix the infrastructure. Xiaofeng Yuan (2): riscv: mm: make EXECMEM_KPROBES writable without ARCH_HAS_EXECMEM_ROX riscv: patch: skip fixmap mapping when kernel text is already writable Xiaofeng Yuan (2): riscv: mm: make EXECMEM_KPROBES writable without ARCH_HAS_EXECMEM_ROX riscv: patch: skip fixmap mapping when kernel text is already writable arch/riscv/kernel/patch.c | 3 ++- arch/riscv/mm/init.c | 4 +++- 2 files changed, 5 insertions(+), 2 deletions(-) -- 2.43.0 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv