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 201B2C77B7C for ; Thu, 3 Jul 2025 15:50:09 +0000 (UTC) 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-Owner; bh=pVIr4humR6TBu1+iRIPQQ1ib1N4hNVLHGDx+5WEIxSk=; b=vGk4yaJ2Ph75mrouvnu+L1DYnb E7F+GDxu6DpGGfzll7nI2OPZz8rT9KKltjIFe9C3jamituSG+y3YpCzHAGa0o19/wz8Auoa+g0bYu qC4Y1BrPPrsP7XjoYV+0hWAWyKgWzhv8xteFRAI/gHN7moL44H/piwxJgqsKoWQcI7LvDknQm66gB aYkmMtfGzlgJ5+Wq/zaBKmjhsFeQCnyautWacGXcYPG2Xh9qBYmhWEAxP81zrJnAcc37bPQZ22FJB nOQ9m2s5nXas6knlerXkFtahPabTbqmh0Dr9dU+dUF1OZ73eiJeU8cZiwP3kZVpk7emUL8tJ5up/G y05CRhUA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uXMCK-0000000BtN0-0DbP; Thu, 03 Jul 2025 15:50:04 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uXKRt-0000000BZGl-3hp7 for linux-arm-kernel@lists.infradead.org; Thu, 03 Jul 2025 13:58:02 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id AFCBF1596; Thu, 3 Jul 2025 06:57:44 -0700 (PDT) Received: from e134344.cambridge.arm.com (e134344.arm.com [10.1.196.46]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 8C8B83F63F; Thu, 3 Jul 2025 06:57:56 -0700 (PDT) From: Ben Horgan To: catalin.marinas@arm.com, will@kernel.org, maz@kernel.org, oliver.upton@linux.dev, joey.gouly@arm.com, suzuki.poulose@arm.com, yuzenghui@huawei.com, linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, yury.norov@gmail.com, linux@rasmusvillemoes.dk, linux-kernel@vger.kernel.org Cc: james.morse@arm.com, Ben Horgan Subject: [PATCH 0/2] Fix and add warning of misuse of type##_replace_bits() Date: Thu, 3 Jul 2025 14:57:27 +0100 Message-ID: <20250703135729.1807517-1-ben.horgan@arm.com> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250703_065801_964731_9ED099C5 X-CRM114-Status: UNSURE ( 7.62 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org By inspection there is one mistake in the use of u64_replace_bits(). Fix this and while I'm here add a __must_check annotation to help avoid the same mistake happening again. Ben Horgan (2): KVM: arm64: Fix enforcement of upper bound on MDCR_EL2.HPMN bitfield: Ensure the return value of type##_replace_bits() is checked arch/arm64/kvm/sys_regs.c | 2 +- include/linux/bitfield.h | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) -- 2.43.0