From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 58F9B606A328 for ; Wed, 4 Nov 2026 10:01:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=0wxXMlNG; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=W2Ev9q08 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Unsubscribe-Post:List-Owner; bh=TLGga1XJaEBstF4brRpspjABd42fAO01T3Tfq+b3WRY=; b=0wxXMlNGkF7+HzAy/0W0zgYOma FibtlG7CeSUq61J11UQ6UWVOrXPQBd+QrXNcEA09a6DU3p9c1hkxX6VQWaFAX5fRngye3/czP5VJD TTFs3IP5VPSxL4wcRleasejBOGlh+VR7krdxpfAA/mKIvra95crAw5XyDDDokNdq0oGLDvIMppJBx 6sqbuLtKSN5mbJzW07lUrqVL4ct2+BdCTq6Ygwe+eTG6lyx4XW7gQbfSbozRo17Q9OlLaJoy6AF5a 4DJt/TJbiGDj3I4jH9TsPFpCchUo2Fr0/+58X3NQvGxzMoRz8A0TaWdGFBHfpFldN9BzSVCerzeQI iB3v2+PA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.100.1 #2 (Red Hat Linux)) id 1xOXnd-00000004wYI-2ZBL; Wed, 04 Nov 2026 10:00:57 +0000 Received: from sea.source.kernel.org ([172.234.252.31]) by bombadil.infradead.org with esmtps (Exim 4.100.1 #2 (Red Hat Linux)) id 1xOXnc-00000004wY8-0HTz for linux-arm-kernel@lists.infradead.org; Wed, 04 Nov 2026 10:00:56 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id 7C56443EB8; Wed, 4 Nov 2026 10:00:55 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E546D1F00919; Wed, 4 Nov 2026 10:00:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793786455; bh=TLGga1XJaEBstF4brRpspjABd42fAO01T3Tfq+b3WRY=; h=From:To:Cc:Subject:Date; b=W2Ev9q08vDAgiRgNTKq5Un4MTwLYES1RVB+l2k5R9G/f+jDIKOGXck7brNysxlGFh 2E77lBCeSt3j6p6BmUbOW0XRHAY+0Xh7bKouztiSYawKHtfPHmLcBy5AJ1ZPL0aZKJ mahuY6wwahSnpiqjfRmHYGiR9yDS+USenR929FFlv3aZSPagKN5lnqa/4XssMKAvUS ZKLbgkUggUovr6kXJB4mdVmAcZh1noRKtQ7odm7eJh/PcXZpcYzKvOMaTCZ5Ws5HwD V1mWg1CBFqg8BmXTHdC5IS9pQYK0eGobHf23phDdLXjXYT4AHHEjRcNnpG8BV0q9q6 f4aB+hKwAUJZg== From: Thorsten Blum To: Catalin Marinas , Will Deacon , Mark Rutland , Thorsten Blum Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] arm64: patching: Use uintptr_t in aarch64_insn_patch_text_nosync() Date: Wed, 4 Nov 2026 10:59:43 +0100 Message-ID: <20261104095943.97344-3-blum@kernel.org> X-Mailer: git-send-email 2.56.0 X-Archived-By: MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1058; i=blum@kernel.org; h=from:subject; bh=ZO7mmyFV27Y400PIzYZNqMgtJo/xFwDj+vG/tyF0qNI=; b=owGbwMvMwCUWt7pQ4caZUj3G02pJDFmvmfhLb1xWOha/ZM3zMO2AJ5M/R7vNTZj7nP+qWIVI5 /bdGyWPdpSyMIhxMciKKbI8mPVjhm9pTeUmk4idMHNYmUCGMHBxCsBENNYwMnSePBEj9boz8E/T j3N7j9b7zpgdu1nO+8TjlSkG050mX7Nm+KdxumL2+ZItqcEe7lud9wodFXcqvbV5vf3taDO/KT7 bbjACAA== X-Developer-Key: i=blum@kernel.org; a=openpgp; fpr=1D60735E8AEF3BE473B69D84733678FD8DFEEAD4 Content-Transfer-Encoding: 8bit X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" X-Spam-Status: No, score=-18.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 Use uintptr_t for tp instead of casting it multiple times and pass addr directly to aarch64_insn_write(). Signed-off-by: Thorsten Blum --- arch/arm64/kernel/patching.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/arch/arm64/kernel/patching.c b/arch/arm64/kernel/patching.c index 09f019c6547a..24333419a8f1 100644 --- a/arch/arm64/kernel/patching.c +++ b/arch/arm64/kernel/patching.c @@ -178,17 +178,16 @@ noinstr void *aarch64_insn_set(void *dst, u32 insn, size_t len) int __kprobes aarch64_insn_patch_text_nosync(void *addr, u32 insn) { - u32 *tp = addr; + uintptr_t tp = (uintptr_t)addr; int ret; /* A64 instructions must be word aligned */ - if ((uintptr_t)tp & 0x3) + if (tp & 0x3) return -EINVAL; - ret = aarch64_insn_write(tp, insn); + ret = aarch64_insn_write(addr, insn); if (ret == 0) - caches_clean_inval_pou((uintptr_t)tp, - (uintptr_t)tp + AARCH64_INSN_SIZE); + caches_clean_inval_pou(tp, tp + AARCH64_INSN_SIZE); return ret; }