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 BEB9DD277DA for ; Sat, 10 Jan 2026 10:23:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc: To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=FlMG56Wn54IzH1gkmm3fQcGRxT+ZlqXsS/H9t/iG+H0=; b=rAsaIwgybv46Yo7GBtiFn7/Qy0 tXNEWfz5ww/SVMXwBh6w8LC1/d0nJaH+2IGbL7/Ok/gI+oWbfz2ZwYIqCRoQp8oYoycDx8UU6h1wr 6T6bAXP5WkOGHCo/P35YDhUYt+4MJCOwr7ttElfDW8IGk4NcoU77q7ykUkE2VVYwDAQt5BShg9Ael NLSoi8NcLijBT21ORTZeSE6gT+PSUb7qfLK96CvKD8c9VRvcIcvGbnXfjV1pQjLR6kVGIkOPFEvL/ R6JgtlmMGMP5AZEGMACydoZ0xt4xJyZsFkHa2HiCz2SFDBGNtsN7xwVoHBi6TIiCJwZH0tmeu2C3S WL2dGklA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1veW7u-00000003OSf-1WGl; Sat, 10 Jan 2026 10:23:22 +0000 Received: from sea.source.kernel.org ([172.234.252.31]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1veW7m-00000003OPb-1hIq for linux-arm-kernel@lists.infradead.org; Sat, 10 Jan 2026 10:23:15 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id A9BB644387; Sat, 10 Jan 2026 10:23:11 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 67503C16AAE; Sat, 10 Jan 2026 10:23:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768040591; bh=N3UMkFVCDtVmeRbXTdo2Nl9ogv3n9yOtKBTkaeAWGhU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VAbtghIZE65q86ZWR+0D58ouko1Ed+zlgQd3WZKqTebzDxRMikA06xdx0vUWkM129 P11O65bnfZ4qAalb6GZEtFrCbsnYPWCtQ1TkKYA2MOcAbj0w/yY1F1h+4RAMRIpX+f beib+35gL3T+exMlX6XWkIfIAJT5tP1SUelDT2CttGuISJP9SWc9vRV+DXQL5VbBnZ Kuu7020c2y3pZ4sS3xMoxgTi0DoaWahA7ilUGAJj29cTh4SoKEmuxn1YaFZW3kkCm/ wDvhcCYIZe3Yn4oypG61i/dpVMMxBeJlaRHa8wZ0kfaZWPMyUiCW6zHnsjfEhk+CL+ SatmICIf309TQ== From: Oliver Upton To: kvmarm@lists.linux.dev, Will Deacon Cc: Oliver Upton , linux-arm-kernel@lists.infradead.org, Marc Zyngier , Joey Gouly , Suzuki K Poulose , Zenghui Yu , Catalin Marinas , Quentin Perret , Fuad Tabba , Vincent Donnefort , Mostafa Saleh Subject: Re: (subset) [PATCH 01/30] KVM: arm64: Invert KVM_PGTABLE_WALK_HANDLE_FAULT to fix pKVM walkers Date: Sat, 10 Jan 2026 02:22:48 -0800 Message-ID: <176804045762.916140.4830938298669479954.b4-ty@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260105154939.11041-2-will@kernel.org> References: <20260105154939.11041-1-will@kernel.org> <20260105154939.11041-2-will@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260110_022314_463045_7B064673 X-CRM114-Status: UNSURE ( 7.91 ) X-CRM114-Notice: Please train this message. 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 On Mon, 05 Jan 2026 15:49:09 +0000, Will Deacon wrote: > Commit ddcadb297ce5 ("KVM: arm64: Ignore EAGAIN for walks outside of a > fault") introduced a new walker flag ('KVM_PGTABLE_WALK_HANDLE_FAULT') > to KVM's page-table code. When set, the walk logic maintains its > previous behaviour of terminating a walk as soon as the visitor callback > returns an error. However, when the flag is clear, the walk will > continue if the visitor returns -EAGAIN and the error is then suppressed > and returned as zero to the caller. > > [...] Applied to fixes, thanks! [01/30] KVM: arm64: Invert KVM_PGTABLE_WALK_HANDLE_FAULT to fix pKVM walkers https://git.kernel.org/kvmarm/kvmarm/c/19cffd16ed64 -- Best, Oliver