From patchwork Fri Feb 1 17:51:41 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Will Deacon X-Patchwork-Id: 10793465 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 0DE4A1390 for ; Fri, 1 Feb 2019 17:51:53 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id F20DA329A8 for ; Fri, 1 Feb 2019 17:51:52 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E053A329BE; Fri, 1 Feb 2019 17:51:52 +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=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED 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 59794329BA for ; Fri, 1 Feb 2019 17:51:52 +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=vEtPxJ4oLepIsyPocEVIdpMqEmL+Beg0tqgYBk9cwUs=; b=OgfVP0JcAunnY+ V9EgAOuG5EWWEtqAbp4Heq+SUf9VWD2GHZ9Kzcjcdsi+j2X8AVtvLDP80dmoiTLJi7NpZvlYIUlVN xA7zKsjc13S1yQI4BA9ei2kIdxyKkaiC4T5S4rh9yiE4CmOKElQu27ST/9EhmnCQ90CiupVMc/T2J ZAjZ0xJ1nyGeM/yeOLpEym/bdxt+o5EC9Lrql+aaUGhPxQYclUXl8qskbaQzNEjpCNrhlXxOTWOKz Uwt6mNhWKzJTqJKiOpxie6cA3hUwwk23/LPv0TF5jdrnBpCE/MKnPl5/TEkC8RcSFGcVG+LSuVxtw kAyztuSiUhUkhAqJvzyg==; 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 1gpcyk-0006YP-6O; Fri, 01 Feb 2019 17:51:50 +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 1gpcyg-0006Xf-E8 for linux-arm-kernel@lists.infradead.org; Fri, 01 Feb 2019 17:51:47 +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 45FEB15BE; Fri, 1 Feb 2019 09:51:45 -0800 (PST) Received: from fuggles.cambridge.arm.com (usa-sjc-imap-foss1.foss.arm.com [10.72.51.249]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 58EED3F589; Fri, 1 Feb 2019 09:51:44 -0800 (PST) Date: Fri, 1 Feb 2019 17:51:41 +0000 From: Will Deacon To: torvalds@linux-foundation.org Subject: [GIT PULL] arm64: fixes for -rc5 Message-ID: <20190201175141.GB14567@fuggles.cambridge.arm.com> MIME-Version: 1.0 Content-Disposition: inline User-Agent: Mutt/1.11.1+86 (6f28e57d73f2) () X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190201_095146_477516_57F3579A X-CRM114-Status: GOOD ( 15.28 ) 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: catalin.marinas@arm.com, linux-kernel@vger.kernel.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 Linus, Although we're still debugging a few minor arm64-specific issues in mainline, I didn't want to hold this lot up in the meantime. We've got an additional KASLR fix after the previous one wasn't quite complete, a fix for a performance regression when mapping executable pages into userspace and some fixes for kprobe blacklisting. All candidates for stable and summarised in the tag. Please pull. Thanks, Will --->8 The following changes since commit f17b5f06cb92ef2250513a1e154c47b78df07d40: Linux 5.0-rc4 (2019-01-27 15:18:05 -0800) 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 f7daa9c8fd191724b9ab9580a7be55cd1a67d799: arm64: hibernate: Clean the __hyp_text to PoC after resume (2019-02-01 14:10:02 +0000) ---------------------------------------------------------------- arm64 fixes for -rc5 - Fix module loading when KASLR is configured but disabled at runtime - Fix accidental IPI when mapping user executable pages - Ensure hyp-stub and KVM world switch code cannot be kprobed ---------------------------------------------------------------- Ard Biesheuvel (1): arm64: kaslr: ensure randomized quantities are clean also when kaslr is off Catalin Marinas (1): arm64: Do not issue IPIs for user executable ptes James Morse (3): arm64: kprobe: Always blacklist the KVM world-switch code arm64: hyp-stub: Forbid kprobing of the hyp-stub arm64: hibernate: Clean the __hyp_text to PoC after resume arch/arm64/kernel/hibernate.c | 4 +++- arch/arm64/kernel/hyp-stub.S | 2 ++ arch/arm64/kernel/kaslr.c | 1 + arch/arm64/kernel/probes/kprobes.c | 6 +++--- arch/arm64/mm/flush.c | 6 +++++- 5 files changed, 14 insertions(+), 5 deletions(-)