From patchwork Mon Oct 1 17:46:01 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Will Deacon X-Patchwork-Id: 10622503 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 0E8971515 for ; Mon, 1 Oct 2018 17:46:03 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E8CE8283D9 for ; Mon, 1 Oct 2018 17:46:02 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id DB8A2283E2; Mon, 1 Oct 2018 17:46:02 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 8AFB5283D9 for ; Mon, 1 Oct 2018 17:46:02 +0000 (UTC) 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:Subject:To:From :Date: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=+wVcKWnl1eUlPBt6dxYC6oSr+zHRb8TmxIsS1abC3LE=; b=pWqJlgmCxo9Q9m pDgBmaHMs/4R40mft6cuTxGGifZuRaMR3wNM3IsLnH5JDeJcQJEkEr6HUKrESB029r+C57QsAU9e8 fDcZDFaQv99akLO8IIoYCDwyYGMHOvSMFTeawQRa+YxbOxD8eafmT0rl332RbplCPWtOXI6/t5FIV z1RtTt1k9bikUV5mdRgZovjfCGkqpTLIkKby+UUV/OHgY7j8OVlaQ+8mWZt9HVJ6i/82bs4V8CLbb BOS8beg/58J3yrKrtOVUmPzUccl2cG2Gr1TrLj3SopxgUQZMK+VHag8GNjlAQtW6ySTTe8fuoYKfm zz9zIugdzQLKDtY+bEjw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1g72GW-0000V1-K7; Mon, 01 Oct 2018 17:45:52 +0000 Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70] helo=foss.arm.com) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1g72GS-0000Td-51 for linux-arm-kernel@lists.infradead.org; Mon, 01 Oct 2018 17:45:50 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id D7B8C7A9; Mon, 1 Oct 2018 10:45:37 -0700 (PDT) Received: from edgewater-inn.cambridge.arm.com (usa-sjc-imap-foss1.foss.arm.com [10.72.51.249]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id A882C3F5B7; Mon, 1 Oct 2018 10:45:37 -0700 (PDT) Received: by edgewater-inn.cambridge.arm.com (Postfix, from userid 1000) id 640A61AE3E30; Mon, 1 Oct 2018 18:46:01 +0100 (BST) Date: Mon, 1 Oct 2018 18:46:01 +0100 From: Will Deacon To: gregkh@linuxfoundation.org Subject: [GIT PULL] Late arm64 fixes for 4.19 Message-ID: <20181001174600.GB14755@arm.com> MIME-Version: 1.0 Content-Disposition: inline User-Agent: Mutt/1.5.23 (2014-03-12) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20181001_104548_734684_DA6A11D7 X-CRM114-Status: GOOD ( 13.43 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: marc.zyngier@arm.com, catalin.marinas@arm.com, linux-kernel@vger.kernel.org, christoffer.dall@arm.com, torvalds@linux-foundation.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Hi Greg, Please pull these late arm64 fixes for 4.19. Details in the tag, but we've fixed a hugetlb livelock issue that was reported by Fujitsu as well as removing some useless flexibility in our KVM SET_ONE_REG ioctl(). Cheers, Will --->8 The following changes since commit 6bf4ca7fbc85d80446ac01c0d1d77db4d91a6d84: Linux 4.19-rc5 (2018-09-23 19:15:18 +0200) are available in the git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git tags/arm64-fixes for you to fetch changes up to 2a3f93459d689d990b3ecfbe782fec89b97d3279: arm64: KVM: Sanitize PSTATE.M when being set from userspace (2018-10-01 14:38:26 +0100) ---------------------------------------------------------------- Late arm64 fixes - Fix handling of young contiguous ptes for hugetlb mappings - Fix livelock when taking access faults on contiguous hugetlb mappings - Tighten up register accesses via KVM SET_ONE_REG ioctl()s ---------------------------------------------------------------- Dave Martin (1): arm64: KVM: Tighten guest core register access from userspace Marc Zyngier (1): arm64: KVM: Sanitize PSTATE.M when being set from userspace Steve Capper (2): arm64: hugetlb: Fix handling of young ptes arm64: hugetlb: Avoid unnecessary clearing in huge_ptep_set_access_flags arch/arm64/kvm/guest.c | 55 ++++++++++++++++++++++++++++++++++++++++++++- arch/arm64/mm/hugetlbpage.c | 50 +++++++++++++++++++++++++++++++++++------ 2 files changed, 97 insertions(+), 8 deletions(-)