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 X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 58B2FC4CECE for ; Mon, 14 Oct 2019 12:33:08 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 1FB5721835 for ; Mon, 14 Oct 2019 12:33:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="ZP6QCf3W" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1FB5721835 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject: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=YHin9Ql+YM26Iig2KacuFJnGm798Rgo/uQX6f5nAkKY=; b=ZP6QCf3WTsWy/z bCLEGnlzLyH168WHdiq1QtuEUfTegRfz+fSZJ7gO5ubMdVMcAGJVL3+mOYbn3vmrVmZJzgRsjxBkg 3bbmL0jXyDSTnlWlSh+jRHJm/BGmHb3qMhFnlRfe/fFBjQvZTjmp+IYo8tEk1aO2ZEa3Y0N5kV0tT plvw3J5jRWLtoS3o4L+f3ry5/nfbkFgJdjVMBEljQ2Hb4ICQMLNa/cFDOXccR+NKDoREfGgw/gtWT fOpPtj7RBr6plfK9gBwMtQmMFc7RAq7Sr6SNsWd5bv3hFwZhnTm6OKKEqHbW9mNPjGDsKmnvL7GNZ RGnEbxd7hyx40A784p2A==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iJzX9-0004lc-Db; Mon, 14 Oct 2019 12:33:07 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iJzX6-0004kX-8l for linux-arm-kernel@lists.infradead.org; Mon, 14 Oct 2019 12:33:05 +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 B47DC337; Mon, 14 Oct 2019 05:32:59 -0700 (PDT) Received: from dawn-kernel.cambridge.arm.com (unknown [10.1.197.116]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 8D66A3F68E; Mon, 14 Oct 2019 05:32:58 -0700 (PDT) From: Suzuki K Poulose To: stable@vger.kernel.org Subject: [stable-4.4][PATCH 0/2] arm64: cpufeature: Fix truncating a feature value Date: Mon, 14 Oct 2019 13:32:52 +0100 Message-Id: <20191014123254.22002-1-suzuki.poulose@arm.com> X-Mailer: git-send-email 2.21.0 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191014_053304_350535_433BB00B X-CRM114-Status: UNSURE ( 7.28 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, maz@kernel.org, suzuki.poulose@arm.com, gregkh@linuxfoundation.org, catalin.marinas@arm.com, will@kernel.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org This series fixes the issue with arm64_ftr_value() where the signed fields are truncated to unsigned values corrupting the system wide safe values. Suzuki K Poulose (2): arm64: capabilities: Handle sign of the feature bit arm64: Rename cpuid_feature field extract routines arch/arm64/include/asm/cpufeature.h | 29 +++++++++++++++--------- arch/arm64/kernel/cpufeature.c | 35 ++++++++++++++++------------- arch/arm64/kernel/debug-monitors.c | 2 +- arch/arm64/kvm/sys_regs.c | 2 +- arch/arm64/mm/context.c | 3 ++- 5 files changed, 42 insertions(+), 29 deletions(-) -- 2.21.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel