From patchwork Fri May 20 11:52:51 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Will Deacon X-Patchwork-Id: 12856681 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 4B8AFC433F5 for ; Fri, 20 May 2022 11:53:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Subject:Cc: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=RTLgbeouHCDqWfh1CqPbEmBsI8s/+46dS0zIjMbXm6Q=; b=RcegFqrDoJkGLd qSJjCtGysu4zZ0ilWLZrXX0b+NyTQLIBO578J8vUcPQejJqZvHEfk7UaTTSi8Ny6M8D4YxX8+fyNz ZXGEBe2HL4fp+md8toRQwJVQ0Vc5Dgp7fRHLz6slCl0EveOYu/ZRtuL1JPvC7LatQ7J7waRELjicB sty8C98coe9E/4epdhCHmP4UJIDKBpcS1W0XWnGxeWZiSW67ZWHxqfNM2Nkn8WF9dQoLUZyjXesdT 1/nNVfZbuVz/rc1EAIvjGehnHwHUas8yahq+VOO3kHAj72i3QoO7sBnkIUj+SxnCnsAd+AWsRDM1n NgASGl7Qvw64UDehj2CQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1ns1Bk-00CBCt-Qe; Fri, 20 May 2022 11:53:00 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1ns1Bh-00CBB5-6j for linux-arm-kernel@lists.infradead.org; Fri, 20 May 2022 11:52:59 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 6E94C61DF2; Fri, 20 May 2022 11:52:56 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 20F6BC385A9; Fri, 20 May 2022 11:52:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1653047576; bh=oZptL5fsiNONqFwTONEq/Jg0O0BcJkaM8ZR8aQVYHw4=; h=Date:From:To:Cc:Subject:From; b=NtuVB4/dpuMPVCP7hjFnA+Ne8bqpDeYDpI+3rdn3jCTMNF0NPixWIwh3VcLLTFHRN LddOGNcKKjnQUDJ8vZ2kcJVOdCoqZ/QV3aGEqlFhx6B2FuNjkPZl6eZ0gWvo9/4fgp wyioSp+1oxxorwkwYLZuY/pZ+yuMAK9HqaVUKM2KpF2NiqIHauVwR4pxLLY5nu8hIk TIbZ7QcX0CU/ba0+mem3JCvQeolLkNjsFbjOMkhiCOR5wTqOhzVSsZukeYQLtqSKpb yr8GHpmD9cAfHkjhO4yR3Dtfh+JH/PEwdLI7MXx7Q+TaWGUYas269qynKBYP9D43cp mJ4vb2Vga84RA== Date: Fri, 20 May 2022 12:52:51 +0100 From: Will Deacon To: torvalds@linux-foundation.org Cc: catalin.marinas@arm.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kernel-team@android.com Subject: [GIT PULL] arm64 fixes for -rc8/final Message-ID: <20220520115250.GA6700@willie-the-truck> MIME-Version: 1.0 Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220520_045257_369218_E5D605B7 X-CRM114-Status: GOOD ( 11.86 ) 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 Hi Linus, Please pull these three arm64 fixes for -rc8/final. The MTE and stolen time fixes have been doing the rounds for a little while, but review and testing feedback was ongoing until earlier this week. The kexec fix showed up on Monday and addresses a failure observed under Qemu. Summary in the tag. Cheers, Will --->8 The following changes since commit 51f559d66527e238f9a5f82027bff499784d4eac: arm64: Enable repeat tlbi workaround on KRYO4XX gold CPUs (2022-05-12 13:15:38 +0100) 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 1d0cb4c8864addc362bae98e8ffa5500c87e1227: arm64: mte: Ensure the cleared tags are visible before setting the PTE (2022-05-17 14:29:51 +0100) ---------------------------------------------------------------- arm64 fixes for -rc8/final - Add missing write barrier to publish MTE tags before a pte update - Fix kexec relocation clobbering its own data structures - Fix stolen time crash if a timer IRQ fires during CPU hotplug ---------------------------------------------------------------- Catalin Marinas (1): arm64: mte: Ensure the cleared tags are visible before setting the PTE Mark Rutland (1): arm64: kexec: load from kimage prior to clobbering Prakruthi Deepak Heragu (1): arm64: paravirt: Use RCU read locks to guard stolen_time arch/arm64/kernel/mte.c | 3 +++ arch/arm64/kernel/paravirt.c | 29 +++++++++++++++++++++-------- arch/arm64/kernel/relocate_kernel.S | 22 +++++++++++++++------- 3 files changed, 39 insertions(+), 15 deletions(-)