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 245A9C4332F for ; Mon, 21 Nov 2022 18:10:07 +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:In-Reply-To:MIME-Version:References: 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: List-Owner; bh=OBH5+iY7897p4ICye7Z6NGEsgqcAqap+iG7/MCssB/4=; b=0SXEG2VimW0m7v VBxUnmP0Dsii4phxTvGAMGr83b0Ap3MI9Vb6A+tds8vVxum/gacO+QzdXwXv7yUjEb16pPZTQvLnB jEHrtVGjFSubgGlT8PH29PIpmLqRaigZcmvAU0V8ZXm75K8C2WXl792AX7l1yFjk4awKWdUHldVxE uq89ErhbfaUUa8ummRx6ccBAJRm1SMJpD4iw/zPpPdOlHrXHCjjQijTeSRkgBWCRnL24ekasff8tY 3tG9JMn7m5LNEsBvxtvIodbxIRl8FBxuMwe9SvzcbIlfpLEVY37rUNfBWEy6hlOSv9ABDIr2eG75y klQcFhvPPPrlCnkrq7Lw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oxBEH-00Gfsm-W1; Mon, 21 Nov 2022 18:09:14 +0000 Received: from ams.source.kernel.org ([145.40.68.75]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oxBEE-00GfrV-FA for linux-arm-kernel@lists.infradead.org; Mon, 21 Nov 2022 18:09:11 +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 ams.source.kernel.org (Postfix) with ESMTPS id E664CB81258; Mon, 21 Nov 2022 18:09:08 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 11659C433C1; Mon, 21 Nov 2022 18:09:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1669054147; bh=/7KHXu25uYdxptbYApPiI4X6tmxB+JZaBclz27zxScA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=s/GpyKDjXOFYp5ugSCAdXo1NhlB2IPARJM3jRaplMsXTLpV8lxciaQnUUyxQquulK KzEe49FCFaD8LuZy5w40TIz8akrFGG53YphhnwI5jTjvzL+/8C9YHEIelrPhT2xilp CFcT+oCqfydITYFEx1ZK3OI+iuL03YCEyIygLd19LEeKPQQ8m2HuC9LebUr+2cA4i0 /MoOm0DInv0d9t1r/8qvWSt0x+gJwsPr+mi9mVlqj1ORRgENAhZmHOZfClgfcbHTBE XmnydxyEqRfCurqpHdYQZDorzFQqvAhcZmuPCp/ecd0IWnHVtsC41IQui39XQPk8/f yyvZa3qp0B0/g== Date: Mon, 21 Nov 2022 18:09:02 +0000 From: Will Deacon To: Oliver Upton Cc: Marc Zyngier , James Morse , Alexandru Elisei , linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, kvmarm@lists.linux.dev Subject: Re: [PATCH v4 0/3] KVM: arm64: Fixes for parallel faults series Message-ID: <20221121180901.GC7645@willie-the-truck> References: <20221118182222.3932898-1-oliver.upton@linux.dev> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20221118182222.3932898-1-oliver.upton@linux.dev> 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-20221121_100910_672649_E45E8876 X-CRM114-Status: GOOD ( 12.52 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, Nov 18, 2022 at 06:22:19PM +0000, Oliver Upton wrote: > Small set of fixes for the parallel faults series. Most importantly, > stop taking the RCU read lock for walking hyp stage-1. For the sake of > consistency, take a pointer to kvm_pgtable_walker in > kvm_dereference_pteref() as well. > > Tested on an Ampere Altra system with kvm-arm.mode={nvhe,protected} and > lockdep. Applies on top of the parallel faults series picked up last > week. > > v3: https://lore.kernel.org/kvmarm/20221116165655.2649475-1-oliver.upton@linux.dev/ > > v3 -> v4: > - Return an error instead of WARN() in hyp for shared walks (Will) For the series: Acked-by: Will Deacon Thanks! Will _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel